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760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Index Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 General Application Materials Preapplication Conference Summary Project Description Vicinity Map Site Plan Grading and Drainage Plan Assessment Impact Analysis Traffic Study Water Supply and Distribution Plan Wastewater Management and System Plan Standards Analysis Waiver Requests Stormwater Management Permit Reclamation Plan SPCC Plan Adjacent Land Owners and Mineral Rights Owners Information NRCS Soils Report Geologic and Soils Hazard Report Wildlife and Vegetation Impact Analysis Sound Study Air Quality Permit Fugitive Dust Control Plan Access Documents Emergency Response Plan Figures 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com General Application Materials Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 Document Entity Limited Impact Review Application Grand River Gathering LLC Payment Agreement Form Grand River Gathering LLC Letter of Authorization Olsson Associates Statement of Authority Grand River Gathering LLC Surface Lease Grand River Gathering LLC & Encana Oil & Gas (USA) Inc Deeds Encana Oil & Gas (USA) Inc Garfield Coullty Community Development Department 108 81h Street, Suite 401 Glenwood Springs, CO 81601 (970} 945-8212 www.garfield-county.com TYPE OF APPLICATION -- LAND USE CHANGE PERMIT APPLICATION FORM 0 Administ rative Review ! 0 Development i n 100-Year Floodp la in 1 Iii limited Impact Revie w D Development in 100-Year Floodplain Variance I 0 Major Impact Rev iew ________ 0 Code Text Amendment 0 Amendments to an Approved LUC P I 0 Rezoning ·-···------0 -~-~--Q~J~--~-?~.£'------··-·--------·--····--·---' ____ JJ _~~-~~-~~!!ic:!J:l._~~P._I:! __ ~-~!?.--~~-~-~-~~~-~-! ___ _ _g _ Minor Temporary Housing Facility ___ i _ 0 ~dminis trati ve l nteq~~etation _____ _ __g Vacation of a C~unty Road /Public RO~ I _ 0 _!-ppeal of Administrative l~te!p re_!at ~o n 0 Lo catio n and Extent Review i 0 Areas and Activities of State Interest ----------------0 Comprehens ive Plan Amendment I 0 Accom modatio n Pursuant t o Fa ir Hous i ng Act ' 0 Major 0 Minor ! --------__ g __ Pip_~in~evel~e~e nt ---·---------·--· i -~ar~nci:_ _____________________ _ i_O _ _:!:~~e E ~~n ~io .~--(_~J~o chec~_t.YJ?_~~f_9 ri~i n ~~e_e l ic_ation L___________ __ ----------- INVOLVED PARTIES l Owner/Applicant 1 Name: Grand River Gathering LLC Phone: ( 970 } 440-1006 Mailing Address : 2128 Railroad Avenue , Suite 106 , City: Rifle State : CO Zip Code : _8_1_6_5_0 ____ _ I E-mail : tjensen@summitm idstream.com ! --··-------------· j Representative (Authorization Required) 1 Name: Lorne Prescott Phone: ( 970 } 263-6014 J Mailing Address : 760 Horizon Drive, Suite 102 j City: Grand Junction State : CO Zip Code : _8_1_5_0_6 ____ _ I E-mail: lprescott@olssonassociates .com ' PROJECT NAME AND LOCATION ., Project Name: High Mesa Compressor Station Assessor's Parcel Number: ~ i_ _Q_ ~ -~ _§__ _1_ -_Q_ _Q_ -_Q_ ~ ~ Physical/Street Address · Approxima tely 3 miles south of Pa rachute, Colorado I ·-------------------------! Legal Description: See Legal Description located in Genera l Application M aterial s I ! section !--------------------------------- ! Zone District: Rural Property Size (acres): 320 i ------- 1 .. ---· -· -· .. -· • • - ---- - --• - -.. ------ - -• • --····················-·----·-·--··-·-·-·~ .. ·-·--.. --.. ---·----~·----.-·-·-·---·-····----·------····-·-·-·-·-·--··--·-·-····--·----·----·--···-------···--····-···---···--........... ·---·------- ' ' PROJECT DESCRIPTION Existing Use: Compressor station for n atural gas operations Proposed Use (From Use Table 3-403): Co mpressor/Pipeline Pump Station (Not Subject to Article 9) Description of Project : to obtain a land use permit for the existing High Mesa Co mp ressor Station i -----------------------------------~- ! ----------------------------------------- L--· -• -· • -----· ---------· • • --· -• -----.. • --· -• ---· ------· · · .. • -• -· --........ • -· -· • • · -.. -• • ----· · · -· · · -· -· -• ----• • · · · · · -· · -· · · -· .. -· --.. . REQUEST FOR WAIVERS Submission Requirements ii The Appl icant requesting a Wa ive r of Submiss ion Requ irements per Section 4-202. List: Section: Land scape Pla n Sect ion : _D_e_ve_lo_p_m_e_n_t A_g_re_e_m_e_nt _______ _ Section: lmprovement s Agreement Sect ion: _F_lo_o_dp_la_in_An_a_ly_s_is _________ _ Waiver of Standards D The Applic a nt is requesting a Waiver of Standards per Secti o n 4-118. Li st: Section : Section : ----------------Section : ______________ Section :---------------- have read the statements above and have provided the required attached information which is te to the best of my knowledge. Date OFFICIAL USE ONLY FileNumber: _______ _ Fee Paid:$ ____________ _ Garfield County PAYMENT AGREEMENT FORM GARFIELD COUNTY ("COUNTY ") and Property Owner ("APP LICANT")----------- _G_r_a_n_d_R_iv_e_r_G_a_t_h_e_ri_n"""g_l_l_C __________________ agree as follows: 1. The Applicant has submitted to the County an application for the following Project: __ _ High Mesa Compressor Station 2. The App licant understands and agrees that Garfield County Resolution No . 98-09, as amended, estab lishes a fee schedule for each type application, and the guidelines for the administration of the fee structu re. 3. The Applicant and the County agree that because ofthe size, nature or scope of the proposed project, it is not possible at this time to asce rtain the full extent of the costs involved in processing the application. The App licant agrees to make payment of the Base Fee, estab lish ed for the Project, and to thereafter permit additiona l costs to be billed to the Applicant. The Applicant agrees to make additional payments upon notification by the County, when they are necessary, as costs are incurred. 4. The Base Fee s hall be in addition to and exclusive of any cost for publication or cost of consulting service determined necessary by the Board of County Commissioners forthe c onsideration of an application or additional County staff time or expense not covered by the Base Fee . If actua l recorded costs exce ed the initial Ba se Fee, the Applicant sha ll pay add itional billings to the Cou nty to reimburse the County for the processing of the Project. The Applicant acknowled ges that all billi ng sha ll be paid prior to the final co nsideration by the Cou nty of any Land Use Change or Divi sion of Land . I hereby agree to pay all fees related to this application: Billing Contact Person:_T_r_a_ce_y_J_e_n_s_e_n ________ Phone: ( 970 ) 440-1006 Billing contact Address: 2128 Railroad Ave., Ste 106 City: Rifle St ate: CO Zip Code: _8_1_6_5_0 ___ _ Billing contact Emai l : tjensen@summitmidstream.com S UJY JJ"JJJ -r J ~J J D :; TE E J-. J!IJ Augu st 14, 2013 Ms. Tamra Allen Garfield County Community Development Depa rtm e nt 108 3 th Street, Suite 401 Gle nwood Springs, CO 81601 RE : Agent Authorization De ar M s. All e n, Grand River Gathering, LLC 2128 Railroad Avenue, Suite 106 Rifle, CO 81650 Phone: 970.440.1000 Fax : 970.440.1019 www.summitmidstream.com Grand River Gathering LLC authorizes Lorn e Prescott, Craig Richardson, Jeff Hofman, Tild a Evans, and Ol ss on Associates to act on behalf of and represent Grand River Gathering LLC in all matters related to land use permitting Garfield County. Please contact me if you have any questions. Sincerely, Tracey Jen sen Permit Manage r -Rockies 1111 ~.-.i. 11i.~1M,N~ ,~.r+l1tl«fil\(l«\:~LI~~ ~1 ~ 1 1111 Receptiontt: 826062 10/26/2012 12 :47:55 PM J ean Alberico 1 of 1 Rec Fee :$11 .00 Doc Fee :0 .00 GARFIELD CO UNTY CO cE Garfield Ci111nty STATEMENT OF AUTHORITY Pursuant ~.q C.R.S. §38-30-172, the undersigned executes this Statement of Authority on behalf of Grand River G11lherlno, LLC · o llmlled Liflblllly Company (corporation, limited liablllty company, general partnership, registered limited llablllty partnership, registered limited llablllty limited pa·itnershlp, limited partnership association, governtl)ent agency, trust or other), an entity other than an lndlvldual, capable of holding title to real property (the "Entity"), and states as follows: The name of the Entity ls_G_r~_nd_R_lv_e_rG_n_t1_1e_rln""o,'-LL_c __________________ __, •1 and Is formed under the laws of_lh_e_s_1n_1e_or_o_e_1aw_o_re _________________ _ ' The malling address for the Entity Is _2_12_o_R_u1_1ro_ad_A_ve_,_s_u1_1e_1_oa ______________ _ llllle CO 111650 The name and/or position of the person au thorized to execute Instruments conveying, encumbering, or otherwise affecting title to real property on belrnlf of the Entity Is Tracey Jensen ' The limitations upon the .authority of the person named above or ~olding the position described above ~o bind the Entity are as follows (If no !Imitations, Insert "None"): Blonrorm!leppllcaU9nso ndpcrmns 1ssu1 dbyO:wtoldcoooly. Other matters concerning the manner In which the Entity deals with any Interest In real property are (If no other matter, leave this section blank):------------------- Witness my hand and official Sr'· . Mycommlsslonexplres:? I ao1+ (Date) (S EAL) \ 1111 ~. ~~1~"8.'J,ff.11, *l.~l.ltir~l+rtlW ~ ~·~ 1111 I Recept1on#: 820165 06/18/2012 03 :49 :09 PM Jean Alberico 1 of 7 Rec Fee :$41 .00 Doc Fee :0 .00 GARFIELD COUNTY CO SHORT FORM OF SURFACE LEASE STATE OF COLORADO § § COUNTY OF GARFIELD § THIS SHORT FORM OF SURFACE LEASE ("Short Form of Surface Lease") is entered into this 27th day of October, 2011 (the "Effective Date"), by and between Encana Oil & Gas (USA) Inc., whose address is 370 17th Street, Suite 1700, Denver, Colorado 80202 ("Lessor"), and Grand River Gathering, LLC, whose address is 2300 Windy Ridge Parkway, Suite 240S, Atlanta, Georgia 30339 ("Lessee "). 1. Property. Lessor hereby grants, demises and leases to Lessee, and Lessee hereby leases from Lessor, the surface of the property more particularly described on Exhibit "A" attached hereto located in Garfield County, Colorado, and containing 3.31 acres more or l ess, as depicted on the survey attached hereto as Exhi bit "B" (the "Property"). 2. Lease Agreement. This Short Form of Surface Lease is part of and shall be construed in connection with that certain Surface Lease dated effective as of October 27, 2011 (the "Lease"), to which reference should be made for additional rights and obligations of Lessor and Lessee, including, but not limited to, the following terms : a. The Lease commences on October 27, 2011 (the "Effective Date"), and shall expire at 11 :59 P .M. on the day immediately preceding the ninety-ninth (99lh) year anniversary of the Effective Date, unless (i) Lessee, or any of its successors or assigns, ceases operation of the compressor facility commonly known as the High Mesa Facility (the "Facility") for a period of six months (in which case the Lease shall expire on the last day of the calendar month following such period of non-operation), provided that, (a) in the event th.at Lender (as defined in the Lease) is undertaking remedies under its loan documents, such six month period shall be extended on a day for day basis during the period of time that the Lender is diligently undertaking such remedies , and (b) in the event of any casualty, condemnation or force majeure event, such six month period shall be extended on a day for day basis during the period of time that Lessee or a Lender is diligently undertaking design, development or construction activities, or otherwise pursuing restoration of the Facility, in connection with a casualty or condemnation relating to the Facility, or during the period of time in which Lessee, the Property or the Facility is subject to a force majeure event, or (ii) the Lease is terminated sooner pursuant to the terms of the Lease (the "Initial Term"). The Lease shall extend on an annual b as is for so long after the Initial Term as Lessee continues to use the Property for the construction, placement or use of one or more compressors with related tanks, metering stations, piping and any other facilities deemed necessary for the operations of such compressors and otherwise complies with the terms and conditions of the Lease (the "Extension Terms" and, together with the Initial Term, the "Term"). 7 1111 W.-f ~'M\'M'-llUW ~~~1"''11-f"llf~ I~ ~11& 1111 I Reception#: 820165 06/18/201 2 03 :49 :09 PM Jean Alberico 2 of 7 Rec Fee :$41 .00 Doc Fee :0 .00 GARFIELD COUNTY CO b. Lessee shall have the right to use and occupy the Property for: the operation, construction, modification, expansion, and removal of one or more compressors or compressor facilities. c. Lessee shall not assign or sublease all or any portion of the Lease , other than Permitted Assignments (as defined below), without the express written consent of Lessor, which consent shall not be unreasonably_ withheld. In connection with a Permitted Assignment described in subsections (2) and (3) below, or if consent is granted to an assignment that is not otherwise a Permitted Assignment, the assignee or sublessee must assume the Lessee's obligations under the Lease that accrue from and after the date of such assignment (provided that Lessee continues to be responsible for obligations that accrue prior to such date of assignment unless such assignee also assumes such obligations as well) and agree to assume, and become bound by , the terms and conditions of the Lease. The Lease shall be binding upon and inure to the benefit of Lessor and Lessee, their respective legal representatives, successors and assigns. Notwithstanding anything to the contrary contained herein, Lessee may , at any time and from time to time, and without the consent of Lessor (each, a "Permitted Assignment"): ( 1) Mortgage, pledge, encumber or otherwise collaterally assign to any entity all or any portion of Lessee's rights and interests under the Lease (for purposes of the Lease , each entity which now or hereafter is the recipient or beneficiary of any such mortgage, pledge, encumbrance or collateral assignment and (i) which shall have notified Lessor in writing of its name and address , and (ii) whose lien or encumbrance is now or hereafter recorded in the official re cords of the County in which the Property is located, shall be referred to in the Lease as a "Lender"); provided that no Lender shall be required to assume, or become bound by, the terms and conditions of the Lease until such Lender, or its successors or assigns, has foreclosed Lessee 's interest in the Lease; (2) Transfer, sell or otherwise convey all or any portion of Lessee 's rights and interests under the Lease to an affiliate of Lessee; and (3) In connection with the sale of all (or substantially all) of Lessee 's assets, transfer, se ll or otherwise convey all of Lessee's rights and interests under the Lease to a buyer of such assets. 3. Successors and Assigns. The Lease shall run with the land and shall inure to the benefit of and shall be binding upon Lessor and Lessee, and their respective legal representatives, successors and assigns. 1111 W• f :rt1~1'a.'Jirj~ .IW ~ l«r+i'll~~l"''·~IL ~·~ 11111 Receptiontt : 820165 06 /18 /2012 03 :49 :09 PM Jean Alberico 3 or 7 Rec Fee :$41 .00 Doc Fee :0.00 GARFIELD COUNTY CO lN WITNESS WHEREOF, Lessor and Lessee have executed this Short Form of Surface Lease effective as of the Effective Date. LESSOR: Encana Oil & Gas (USA) Inc. By: Name: Title: STATE OF COLORADO ) ) SS . CITY AND COUNTY OF DENVER) The foregoing instrument was acknowledged before me thi s ))-bi day of 0 (J?J b.:.r , 20 11 , by J: 0c..ctz,., JotJ e.~ as V ;c...e..-Pre..i ~ ofEncana Oil & Gas (USA) Inc., a Delaware corporation. Witness m y hand and official seal. My Commission Expires: _____ _ JUDITH B. SISNEROS NOTARY PUBLIC STATE OF COLORADO My Commission Expires 03/17/2012 1111 W.i.~!li1i\•J,~riit'a.~ l~rf1~~~IWlt«.~11I 11111 Recept1ontt : 820165 06 /18 /2012 03 :49 :09 PM Jea n Alberi co 4 of 7 Rec Fee :$41 .00 Doc Fee :0 .00 GARFIELD COUNTY CO LESSEE: Grand River Gathering, LLC ~---By. N.am~j Title: r((LJI clar ..:5--f t1-b tJ r elJ Io rcut o ) ) SS. t4j q ~flt t>F /Je-1111iy- The foregoing instrument was acknowledged bef_2.re me this ;>7 day of {)c::ft;b~ 2011, by c6fe tte. flkwt:Jas f?Aes1d.H of Grand River Gathering, LLC, a Delaware limited liability company. Witness my hand and official seal. My Commission Expires: .)/ay; / 7, (Seal) ·-8tJ) 'j As!-tu« d;/JAU. ' Notary Public ~ 1111 ~~* f ~1~\'),Ml~M'r.~~ 1-W~~l~rlH'f ~~ ~·~ 11111 Reception#: 820165 06 /1 812012 03 :49 :09 PM J ean Al berico 5 o f 7 Rec Fee :S41 .00 Doc Fee :0 .00 GARFIELD COUNTY CO Exhibit A Legal Description Attached to that certain Short Form of Surface Lease by and between Encana Oil & Gas (USA) Inc ., as lessor, and, Grand River Gathering, LLC, as lessee A tract of land located in the SEl/4 NWI/4 and the SWl/4 NEl /4 of Section 36, T7S, R96W, 6th P.M., Garfield County, Colorado, being more particularly desc1ibed as follows: Commencing at the Northeast Comer of said Section 36 and running thence S89°31 '04"W, 2661.04 feet along the North lin e thereof, thence S00°28'56"E, 1951.21 feet to the POINT OF BEGINNING; thence S10°00 '36 "E, 260.14 feet; thence S78 °01 '39 "W, 180.42 feet ; thence S48°33'14"W, 87.71 feet; thence S76°43 '48 "W, 130 .00 feet; thence N7 1°29'3 9"W, 196 .64 feet; thence NI 7°3 2 ' l 5"W, 82.44 feet; thence N21 °18 '5 l "E, 164.20 feet; thence N77°32'58"E, 167.91 feet ; thence S53 °32'47"E, 83.68 feet; thence N67°30'03"E, 264.01 feet to the POIN T OF BEGINNING. Said tract containing 3 .31 Acres, more or less. 1111 ~. f ~1~\'J.l'll~ W 1 ~~1 . ~~Wr1r~·1w 1~1\ ~1 ~ 1111 1 Receptiontt: 820165 06/1812012 03 ;49 :09 PM Jean Alberico 6 of 7 Rec Fee :$4 1 .00 Doc Fee :0 .00 GARFIELD COUNTY CO ExhibitB Survey Attached to that certain Sh011 Form of Surface Lease by and between Encana Oil & Gas (USA) Inc., as lessor, and, Grand River Gathering, LLC, as lessee [see attached survey] 1111 tr'.i. f !n1~\'J,M~ ~L IWL l~W.~l'il'. ~ ~·~ 11 111 Reception~: 820165 06/18/2012 03 :49 :09 PM J ean Rl berico 7 of 7 Rec Fee :$41 .00 Doc Fee :0.00 GRRFIELD COUN TY CO 589~'56 "W. 2694.60' S89'J1'04"W. 2694. 71' Norlll...,.f Cct1>M Soctloo.l<! 8'.Kt<N ol ~omotJOI) "'Q" Cop SITE BOOHDARY N21"18 '51"£, 184.20' APPARENT LANDOWNER: NI 7'32'15•w 82.+f' f.NCANA OIL de GAS (USA) INC. LEGEND t PUBU C LANO SIJRVEY CORNE/I • ANGlE POINT P.0.8. POINT OF BEGINNING L£GAL 0£SCRIPTION A net of lend locllfed In the SE1H HW114end1he SW114 HE114 of S«:#o/138, T7S, RSSW, 6lh P.M .. G-1leld ~. ~. beirig lllOtW ptllflculwly de«tlbed -hlowr: Coni••dw 8f,,,. ~ eon..of uld Section 38 end nimtw thanoe sa9"811U'W, ~1..!W _, ~ lhe Nath h....,,, ll*IC8 S00"2!'5e"E, 1fl61.21 WIDlle POINT OF BEGINNING; ltJetJoe S10"00'36"E, 280.14 Wt; in.no. S7'8"01'39"w. 180.<U tNt; ,,.,,.,. SW38'14-W. 17.71 W; tt>eta S1'r43'48'w, 130.00 fMt; thanoe N11"2Jl'S8'W, 196.lU lee(; tt>eta N17'932'15"W. 82.44 fMt: tt>eta H21.1B'51'E 154.20 filllt;' thenottN7r32'68'E 1s1,.g1 fMt: therlolt S63"S2'47"E, 83.88 ~ thence H87"30'03'E 2tU.01 -.t ID lhe POINT OF BEGWHING. Seid net CD~ 3.81 .Acne, monl or Alea. T1le --~for this .utwy being SW31WW, 2.flfU.71 ,.., ~ focnd mcnumenf8 et lhe Notfheelll Comer ll1Jd lhe Norfh ~ Comrof S«t/otJ 38, T7S, RSeW, 6lh P.M. l<ortf> 1/< Comer 5-.;tJon J6 r98! en... ea,. HIGH MESA COMPRESSOR (J.J1 Acr•s) I I I (2661.04') SIOYJ0'36"E, 260.14' 54.!'3.3"14-W, 87. 71 ' S71l '43'41l"W, (J0.00' CERT/FICA TE OF SURVEYOR I, Ted T8f1'18rl of Fruftll, Color8do het8by oerlJfy that th/$ map WllS made lh:Jm .notu taken during an .ctual autWY made by me or under my dlr9ction for EncaM Oii & Gas (USA) Inc. and lhat the mutts of which 1119 COfTlldty shown hereon. 0£SCRIPTION: Encana Oil & Gas (USA) Inc. DRAWN BY: CJT D ... TE DR ... v.N PROJECT NUMBER: UR\£YED BY: ~ WASATCH SUR VE'llNG ASSOC IA TES 906 MAIN STREET, EVANSTON, WY 82930 307 769-4545 EXHIBITB 1 of 1 1111111111111111111111111111111111111111111111111111111 621784 02/27/2003 03:24P 81441 P280 n ALSDORF 1 of 6 R 31 .00 D 0.00 GARFIELD COUNTY CO QUITCLAI M DEED STATE OF COLORADO r/3 I P"-. l:J :J-'>-"f .,_ }?.J.F:..SO.V F£D H -z.r'-79- q,,:;, s; . PR-~AeH .... rE' 3C..-:tz. 3C -l..,3 KNOW ALL MEN BY THESE PRESENTS THAT: COUNTY OF GARFIELD DAVLDR. FLINN 8133 S. Wabasll CL Englewood, Colorado 80111 CIIRISTIAN S. CHISHOLM 4500 Prospect Littleton, Colorado 80121 JAMES I V. WIUIAMS JR. 2195 Pi11tdrop L ane Golden , Colorado 80401 H. HUNTER WHITE: Ill P.O. Box N4820 Nassau, Bahamas ("Assignors"), fo r and in consid e ralion of ONE HUNDRED DOLLARS (S l00.00) and other good and valu able co n si deration, receipt of which Is hereby ac knowledged, d ocs he.r eby a ssign, transfer, grant a nd convey unto TOM BROWN INC 5SS 17TH ST STE 1850 DENVER, CO 80202·3918 ("Assign ee"), all of Assignors' right, title and interest in and to t he following: (1) The Lands a nd all inter ests owned thereunder us desc ribed in Exhi bit "A" he reto; (i i) The wells, equipment, materials and other personal property, ftxture s and Improvements on the Lands as or the Effective Date (as hereinafter defined), appurtenant therlltO or used or obtained ln connection with t he Lands or with the pro duction, treatment, sale or dlspusal of hydrocarbons or waste produced therefrom or attributable thereto, and all other appurtenances thereunto belonging (the "Eqwpment"); pr ovi d ed , however, the Equipment shall not Include vehicles, communications equipment, tools, warehous e st ock, compressors o r leased equipment located o n the L11nd s; ~iii) All unltization, communltization, pooling, :md operating agrcemenu, and the units created thereby wh lcl1 relate to the Laud s or interests therein described on Exhibit ''A" or which relate to any units or w ell~ lo cated on the Lands, Including any and 1111 units formed under orders, r egulations, rules, and other offi cial ads of the governmental authority having jurlsdiclton, together w'ith any righ t, title and interest created thereby in the Lnnds; and (iv) All of Assign or 's rights t o cl:iim r evenues o r gas r esulting from any unde rproduction attributable to Assignor's interest in the Lnnds. All of Assignor's interes t In the above--mentioncd assets is herein collecUvcly referred to as tl1c "Interests". TO HA VE AND TO HOLD the Interests unto Assignee, its successors :ind assigns, forever, s ubject to the follow in g t erms 11nd conditions: Sale No. / '8" I C Lot No. G, I llll ll lllll llllll Ill 11111111111111111111111111 11111111 152178 4 02127 /2003 03 :24P 81441 P281 tt ALSDORF 2 of 6 R 3 1 .00 D 0 .00 GARFIELD COUNTY CO 1. T hi s Assignment is accepted subject t o, a 1td Assignee agrees to assume and perform, any and a ll of the liabilities and o bligations, or alleged or threa tened liabilities a nd obligations, of Assignor under the inter ests and exis llng oil a nd gas Lands, assig nments, operating agreements, product purchase and sale cont r acts, Lands, p ermits, rlghts·of-way, licen.ses , easements, nptfons, ord ers, and any o ther agreements or contracts attributable to and affecting the lnterests, including but n ot llm1ted to, any and all ob ligations (I) to pay a nd deUver r oya.l tles, overriding r oyalties, non-participati ng royalties, a nd 11tbe r burden s on 1>roductlon, (II) in co nnectio n with or arising out o r balancing o r ove rproduction or underproduction from the Inter ests, and (iii) In compliance with all laws and governmental r egulations with r esp ect to the Inter ests including, but not limited to, the lawful plugging and abandonment of oil a nd gas wells and the rcstorallon of t h e surfa ce of the land as nearly as possible to It s prelease condition, whethe r or no t s uch liabilities and obligations, o r alleged or threate n ed llabllltfcs and o bllgatlons, are caused by Ass ignor 's ncgllgentc and whether or not s ucb liab ilities and obliga t ions, or alleged or threaten ed liabilities and obligations, arise during t he period of, o r from, or in conn ection with Assign or 's ownership or o peration oftbe Int er es ts. Wi thout llmltot lo n of th e foregoing, Ass ignee agrees to ass ume and p erfo rm ony and all of tho liabilities and obligations, or oll eged or thrca t en~d llabllltles and obllgo tlons, of Assignor lor cl aims , losses, d11moges , costs, expe nses, diminutions In volue, suits, and causes of action or a ny kind or character, with r esp ec t to the environmental condit ion of the Inter ests, r eg ardless of when the events occurred tbot caused such co ndition t o exist and whether o r not caused b y or attributable to Assign or 's n egligence. Assignee shall , t o the f ullest ext e nt permitted b y law, protec t , defend, Indemnify and hold Assigno r and Its directors, offi cers, en1p loyces, agents and rep r cse ntotives of each o r them, harmless ftom a.n d agai nst any and al l cl:i lms, losses, damages, costs, expenses, diminution s in value, snits, causes of acllon or judgments of any kind or char nctcr with r es pect to any a nd all li ablllrles and o bligations o r oll egcd or threa tened liabllltles and obligations, Inclu ding, but not limited to, a ny Inter es t, p enalty and any attorneys' fees and other costs a nd expenses inc urred In co nnection with invcst111at in g or defending any claims or a ctions, whether or not r esul ting In any liability, atlrlbutable to or arising o ut of (I} owne r ship or operatio n of the Interests sub sequent to the E ffec tive Date, and (U) Assignee's ussumption of a ny liability or obligat ion In accordan ce with Utis paragr aph. THE INDEMNIFlCA TTO N, RELEASE AND ASS UMPTION PROVISIONS PROVIDED FOR 1N nos QUITC LAIM DEED SHALL DE APPLI CABLE WHETHER OR NOT THE LOSSES, COST S, EXPENSES AND DAMAGES I N QUESTION AROSE SOLELY O R lN PA ltT FROM THE G ROSS, ACTIVE, PASSI VE OR CONCURRENT NEGLIGENCE, OR OTHER FAULT OF ASS IGNOR. 2. THI S QUITC LAIM DEED IS EXECUTED, DELI VERED, ANO ACCEPTED WITHOUT ANY REPRESENTATION, WARRANTY OR COVENANT OF TITLE OF ANY KIND OR NATURE, EITHER EXPRESS, I MPLIED OR STATUTORY. THE INTERESTS ARE TIEJNG CONVEYED AND ASSIGNED TO AND ACCEPTED BY THE ASSIGNEE I N THEIR "AS IS, WHERE IS" C ONUITION AND STATE OF R EPAIR, AND WITH ALL FAULTS AND DEFECT S, WITHOUT ANY lrEPRESENTATION, WARRANTY OR COVENANT OF ANY KIND OR NATURE, EXPRESS, IMPLIED OR STATUTORY, INCLUDING, BtIT NOT LIMlTED TO WARRANTIES OF MARKETABD...ITY, QUALITY, C ONDmON, MERCHANTABILITY, AND/OR FITNESS FOR A PARTICULAR PURPOSE, ALL OF wmc u ARE E XPRESSLY DISCLAIMED. IT IS UNDERSTOOD AND AGREED THAT ASS I GNEE SHALL ACCEPT ALL O F THE SAME IN TRErR "AS IS, WHERE IS" CONDITION AND STATE OF REPAIR AND WITH ALL FAULTS AND DEFECTS, INCLUDING, BUT NOT LIMITED T O , l'JIE PRESENCE OF NATURALLY OCCURRING RADIOACTIVE MATE RIAL (NORM). JN ADDITION, ASSIGNOR MAKES NO REPRESENTATION, COVENANT OR WARRANTY,EXPRESS, IMPLIED OR STATIJTORY, AS TO THE ACCURACY OR COMPLETENESS OF A1'"Y DATA DELlVERED TO ASSIGNEE WITH RESPECT TO THE I NTERESTS, OR CONCERNING TOE QUALITY OR QUANT11Y OF HYDROCARBON RESERVES, IF ANY, A1"fRJBUTA BLE TO THE INTERESTS, OR THE ABILITY OF THE INTERESTS TO PRODUCE HYDROC ARBONS, OR THE PRlCES wmcll ASS I GNEE IS OR WILL BE ENTITLED TO RECEIVE FOR ANY SUCH HYDROCARBONS. Sale No. l '8 / C.. lotNo. " 1111 111 11 111 111111111 11111111111111111111111 111 11111111 62178 4 02/27/2003 03 :24P 81441 P282 ft RLSDORF 3 o( 6 R 31 .00 D 0 .00 GARFIELD COUNTY CO J, This Quit cl aim DCil d shall inu re t o the b en efit of and be b iodln~ upon the parti es h ereto, their heirs, s uccessors and ass igns. 4. This Quitcla im Deed my be executed by Assignor and Assignee. in any number of co unterparts, each of which shall be deemed an orlglna l in strum ent, bu t all of which together s hall co nstitute one and the same Inst rume nt. W NESS WHEREOF, th is instrument Is executed the / yA-d ay of ~,.i::::.llddo~~---' 2003, but shall be effective a s of the 1st day of February, 2003. (the ASS CGNORS: DA VJD R. FLINN CHRISTIANS. CHISHOLM ~.(jJL- H. H UNTER WHITE llJ /-b/(p_(A_ STATE OF COLORADO ) )ss. COUNTY o~· DENVER ) OAVU> R . FL.I NN executed U1c foregoing instrument before me th !~ day ot-;(;W!z,}tf/ ; 20GPli Witn ess my hand and officia l sea l. ~;Un . fpv,~· ""''""" ~ My cum mlssiu 11 expir ·'" ~ dZ JIJ:;f STATE OF COLORADO ) )ss. COUNTY OF DE NVE lt ) VIVIAN M. BEANUM NOTARY PUBLIC STATE OF COLORADO My Commission Eqiirea July 27, 2D:J4 . ./l~ CIDUSTIA~ S. CHIS II OLM executed the foregoing instrumeut before me this~ tlay ~&itlt . 20112(/ Sale No . Lot No . I ~I c.. b I I I I I I I I I I I I I I I I I I I I I I 1111 111111111111111111111111 11111111111111 1111! 11111 111 621784 02/27/2003 03:24P 81441 P283 M ALSDORF 4 of 6 R 31 .00 D 0 .00 GARFIElD COUNTY CD STATE OJ' COLORADO ) )u. JR. execu ted t he foregoing Ins trument befo re me lhfJ /'/"'-day My co mmissio11 expires: 11/~~otJ Lo~1:.1a.~ STATE OF E:'0LOR:i\:60 ) Pc~:r 1-:.h Orlu...~~ )u. '*>"1rff'Y OF BEN"fEft ) My contm isslon expires: JOANNE M . COLOROSA NOTARY PUBLIC STATE OF CO LORADO My Commlaion Expires Nov . I, ZIG4 Sale No. Lo t No. I I I I I I I I I I I I I I I I I I I I I I I I I I I I 1111111 111 11 1111111111111111 11111111111111 1111111111111 621784 02 /27/2003 03 :24P 81441 P284 " ALSDORF ~ of 6 R 31 .00 D 0 .00 GARFIELD COUNTY CO ASS IGNER: TOM BROWN INC By:~-b~~·-·~ Name: Rodney G. Mellott Till e: Attorn ey -in-Fact COHPOBATE AC'KNOWJ.EDGMENT S 'fATI:: O F _______ _ COUNTY OF ______ _ BEFORE ME, the undersigned iiuthorlty, on this day p ersonally appeared of -------------------------•known lo me to be the person and officer whose name Is subscribed to the foreg oing instrument, a nd acknowledeed to me that he/she executed the sa me for the purposes and consld ernlion th erein ex11resscd and in tbe capacity therein staled as lh c ne t and deed or snld corp ornlio n. GIVEN UNDER MY HAND AN D OFFICIAL S EAL OF 01-'FlCE o n this ___ day of ---------' 2002. MY CO MMISSION EXPIRES: Notary Public ATTORNEY I N FACT ACKNOW! EDG\jENT STATE OF COLORADO COUNT\' OF _.:::.D.=EN:..:..V'""E""'R,__ __ _ BEFORE ME, the undersigned authority, o n this day personally appear ed Rodney G. Mellott Attorney-in-Fact for Attorney-1.n-Fact , known to me to be the person whos e name is subscrll>cd t o 1hc foregoing Instrument, and acknowledged t o mo thot he/she executed the same for the purposes nnd consideration therei n expressed and in the capacity therein stated. GIVEN UND·Elt MY HAND AND OFFICIAL S Jo~Al. OF OFFICE on this ~ day of Februa ry ,~00-2. 2003 . MY C OMM ISSION EXPIRES: t 2-6-03 ~~· I NDIVID!!AL t\CKNOW!.EDGMENT ! r PHYLLIS MAUSHESKI STATE OF _______ _ COUNTY OF ______ _ llOTARV PUBLIC, STATE OFCOlORADO L- BEFORE ME, the undersigned authority, on Ibis d11 y personally appeared ------------------• known to me lo be the p er son whose n:imc Is s ubsc r ibed to lhc foregoing instrument, and :icknowledgcd tu me th at he/s he executed t he s ame for the purposes and consideration therein express ed and In the capacit y therein stated. GfVEN UNDER MY EIAND AND OFFICIAL SEAL OF OJ?FICE 011 this ----------· 2002. MY C OM!\fiSSJON E XPIRES: Notary Publi c day of Sale No. Lot No. I llllll lll ll llllll Il l 11111111 11111 111111 11 11 11111111 111 621784 02/27/2003 03 124P B1441 P28! K ALSOORF 6 oF 6 R 31 .00 0 0 .00 GARFIELD COUNTY CO EXlllBIT "A" WELLS: TBI FEDE RAL #25-42 RUUSO N FEDERAL H -25-7S-96W $;PARACHUTE TBJ 36-22 S. PAR.\ CHUTE TBI 36-23 LA NDS: Town s h ip 7 So ptb, Range 95 West 61h P M S ecti on 3 1: All Town s hip 7 S on ch Range 96 W est 6'b PM Sections 25 and 36: All Garflcld County, Colorado S ESW Sec. 25-T7S-96W S ENE S ec. 25-T7S-R 96W SENW Sec. 36-T7S-R9SW S WNE Sec. 36-T7S-R96W Sale No. Lot No. }8 1 c. '7 I I I I I I I I I I I I I I I I I I I I I I I I I -----........ (_(! Z,)-7(, 7 ) ~·ti.____. ----------------· THJs ni:m, -· ~· }0th u~•>< .June u91 , .....__ Pi Mt>Cial Land tnvesu:.er1t Cr.:porati on 636) tcuryhil l Cb.lrt • to.,.,.ll•n .,,-==-.:J'UJ~\.~ Ji~ \11 •lriu• et '1'• l••• 'ml Pr <Xb:tion t'aqi.ally , in::., a DDl/11.~ Cnrporntlon SSS 17th St., Suite 18SO, Denwr. CO 9020? !A<9i1<>000000000000' ...... afOOCCCOOOCO(lOOOCl O !jg 'f~ of u.. IMC06d .... ,... wn,.-KSIICJH. n.u.. ~ ..acS Ji6lt7..t.,.,111.c • .,.,,, f•r ... lA c4U*t"Mt• or~'""'., one hundred dol u rs, and other ncxxl and Vllluablo cone i<lerat:Jon (SLOD.00 u .v.c.l ~ h ........ .....,., ... rt.-•• ,.nso-~ ....... "" ...-''°' pilt y et Utt Meo.Ml~ tM r.teolp& ..n,,,..or ;.-.-;,;a;,r aoduoo4 ...i -... IN ..... uth irnalod , bupb> ... Mk! ...... _ .. , •••••• h7 tl. ... -·· .iou. ........ _ .... ecu. f.,,,., t'N!eo.D.f.,. "41.o u.. .. 1c1 pe.n: Y ol lht MCoM patt.. 1._._ ._., ..... aa .. \p• f•rwv • • u .J ,,... t11n..-tn.c c.nut ... lot w p&ft.& tJ 11&.11. a\tt.u.M. blDa ...-bell• la 'th• C-•ry o1 CU!iold ... 1r.w ct Colt1'4> ... _,., aa rront ful ly Oe.scrihed a1 P.><h.l.bit "A" olt t a.c::hoJd hl'lroto Md IQi)cJe ~ !J6rt h&.ccof. a ~~.:. •:! !;.':f.., -:rw. tla•~~= .. aall ·:!':.~ ~'::-~~&!f !fi ~ ~ =Li OU.. \;iwu~ de.ta AM ~•n wt ~ ... r """"1 el~ ftnl lla.t"l. •II.kt ta law •r ... .,, of , Jo e.Dld &o ~ •Mn ...,........ •"'•*• ...................... uwl •tt •n-aac.•~ TO SAYS AJID TO aOLD lllo NW p-Uon ...,._ °"" ~ 1'1<11 II>• --_ _.. ...,,. ,...,.. y ., Ill• ._.--i ,,.n. l t.a ,_.,,. ..... ...,,_. r.,......,. A.IMS \le •a.M 1"1"11rci.al Lvd Inll'OlltJllel'\t COrpor.ition ,,_ <t ta. n...t """' f•r t...U. -..1..t lM w.c:c:~n. °'"' c.cno-.n.t. (JJ'Wll. Mrp.ta. ud ttO .. t. &ad 'wi lh ...,. MJ4 p&.rt y el U.. ...... p&r1. llc boln .. 4 ... 1 ... , !Ml •I 1M ~' 61 Ill• -it..J .... loll_, of .,..._ -to I& II 1rdl MltM of ta• -oho ••_...,..,_ u cf o aoM. ""'"· ...,rort, .-.i. L"A l .. l'fc.ul\l• ..... of iMolf ... ta, la 1*•. t:a fM •'-ti:-. .... bd\ "°' df'\rl,.. ftlU .......... a.lllo/'t t a111Pfwl ••t it.NftJ" .. .--~ ......... 1-. •JJ a.Ai.I <-*'-••t ... , ....,.. i.n .. .,..r .... ,..,.,. .,.,,,...:w, ..... t21e\ lM .......... ,,.. Mod cl.at ,,... ..a I Ol"D\U .... othu wraat.e, bu'JrUu .. ... 1 .. , hM. -.. ... .....-mimlli aDod h111Dbnotn of "Uktw tJn4 tr MtGfl 9"N:lf , 1 lo~ Township 7 Sou!h. R.anwc 96 WL1Jt..f''.tl:i Scchon 2$: Sl!.4SW~ Srction 36: E2NW4. NE4S W4 , S2NE4, N2St:4 Ot.rfie ld Cc-unty , ~ul urado containinc: 120 ncl Slufaoc ocn:s. more nr less, arul 240 net mtncnll acres. m.:>rc or lcu inoludi11g. but 001 limi1ed 10, •Iii oil, gn, anti nrhcr hydroc arbon 1ubstancc:s, miocrals, su.rfete f~ cs1a1e s. nnneral ftt CSl.ltt$, reversion and rcvc111ons. !'<'m111nder and re mainde11 , renu. issues and prnfi is 1hc1eof, oil, g.as and miner1l leases. n!jht and intcmits allribuLablc or Alloaib\c lo lhc oil , gas and nuneraJ teases by vinuc or pooling, unil ittlion, &nd comnni1nitl.zatioo ~zreern<onlS, swfacc lcescs. euernc:nts md rights~f·W•)I ir.cluJ..I within or adjuc.c:nt 10 1n-. interuts, he..aut . pcrmrts. water rights, w1tcr well s and water s1ock. ine lucling, wi1hou1 limiblion. tJw ccnain rOAd eascmcnr rcscNrd under that "cnain Deed , da ted Fcbnwy 23. 196'2, betw een (.;laud c V. Haywaicl and NcUic G. I laywasd, as panics of lhc first part, and Willi= Ci. ~tc s and fanleS W. Dearin&. as panic> of lhc S«ond pan. rci:ordcd in Book 339, 1.1 Pai;c 4 \ 7 as document i 1 66Y I ul 111c Gatlield County Cler\ 1.1tJ Recorder'> Oflit:e. S llbjc<I In: U . S . Pet et>! res <:rvatioo•. ••""""'" and riahts·of-wa.y of i.-cord or in place or in 11SC; and bui lding 1nJ <11>n 1n9 rcgulaliOM 28 0 _-!., ••• Office of the Si~cretary of State P&GI l I. &DtlUD .J . nlll., HCQ'tall'f or •nn °' TD HATI or 1>11.A.ua, oo nun ~1n TD cznirran or ornM111. a1e1 MZMU : •n1 P9'0t«JC!ICR c:ocr&Mr•, A D&Lllf&M ClON'OM2'10lf, •n• »n> tlf'l'O •tclf ...,...., me.• rnmn TH ...,.. or •'°' IMn, IMC .•• a COUOM!'JOll ORGllRUZD U!) Uttrr•ci OlmP .,.. OYPICI TD 'l'WDlft-POUWfl DAT or WonNllR, a.D. UH, Af • O'CLOCK A.M . .UD t IX> nun fOllftH . mt!Jn l'DT ftl IFOJtU&lD COUOMTIOI IDLL la GICl9'UIGD 81~ ft'I La .. or DI •~I or HLPANl- AHD 1 oo nun raJIS'Da C:SM!ln nat .,.. lrllC'tlVI oan ar TH U'OUIUb Clll'fUIOft or CJalD811P 18 TH 'l'WDITT-100lln ~T or "°'1Mlll\, ~.D . ''''· 2111'742 U20 UUI03'Pl ., BK 3825 PG 952 1Jefaware 'lfie :first State PAGE 1 2235845 BK 3825 PG 952 01/2712005 01: 38 PM Janice Ward CLK~REC Mesa Co1..1nh•, CO Recfee $5 .00 SurCh9 $1.00 I , HARRIET SMITH WINDSOR , SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE CERTIFICATE OF MERGER , WHICH MERGES: "TBI PIPELINE COMPANY", A DELAWARE CORPORATION, ''TBI WEST VIRGINIA , INC .'', A DELAWARE CORPORATION, "TOM BROWN, INC.", A DELAWARE CORPORATION, WITH AND INTO "ENCANA OIL & GAS (USA) INC . " UNDER THE NAME OF "ENCANA OIL & GAS (USA) INC . ", A CORPORATION ORGANIZED AND EXISTING UNDER THE LAWS OF THE STATE OF DELAWARE, WAS RECEIVED AND FILED IN THIS OFFICE THE TWENTY-SECOND DAY OF DECEMBER, A .D . 2004, AT 6:15 O'CLOCK P .M. AND I DO HEREBY FURTHER CERTIFY THAT THE AFORESAID CORPORATION SHALL BE GOVERNED BY THE LAWS OF THE STATE OF DELAWARE . AND I DO HEREBY FURTHER CERTIFY THAT THE EFFECTIVE DATE OF THE AFORESAID CERTIFICATE OF MERGER IS THE FIRST DAY OF JANUARY, A.D . 2005. 2137895 8330 050039241 Harriet Smith Windsor, Secretary of State AUTHENTICATION: 3628833 DATE: 01-20-05 <Jtz>-7t.Jl -N Tms DEED, Hade thit 30th day of June 19 97 , between Financial Land Inve~t Corporation 6363 Kerryhill Court Aaoura Hills CA 91301 a COl'JIOr&tl.on dWT d'rriii.lzed and ID~ltinll' under and by virtue cf the l•w1 of th• Stat. of Delaware of the tint put, and TBI Production ~y, Ioc, , a Delaware Corporation 555 17th St., Suite 1950, Denver, CO 80202 of the second part' ............ ltftorder'1 St.nap WITNESSE'l'll, ThAt tha IJ&fd partJ> of the flr1t part, for and In eonalden.tlon ot the 1JUm of one hundred dollars, and other ClOOd and valuable consideration (S!Q0.00 o.v.c. l ~ to tha 1a!d P&rtf of the flnt pari'ln hi.ncl paid by the 1aid party of the 11eoiid part, the receipt wbereof 11 he~h7 confeul!d and &<:lmowl•d!tt!d, hath granted, bargaflled, sold and'" conn71d, and by the11 prMentll doth grant, barirain, aell, co.nvey and confirm unto the u.ld pa:rt Y of the aecond part, its hai,.., and aulgna forever, all ol the foll-Ing de1crlbed Jot or p~el. of land, 1ltuate, ]Jin& and beill&' in the County o! Garfield and State of Colorado, ta wit' as nore fully described on Exhibit "A" attached hereto and rtE.de a ~ hereof. TOGB'I'HBR-with all-Mid· ainplAI' th&-bendltam-ntll· and-appurtllD&ncN. t.bereun.t.o. belangi11&. ~ in..~ &PJ!C!~. and th• rennlOJ} or ~e>n.1, nmalnden, N?lta, !nu• .uid profit. thereof; .uid all th• eatatic, ncht. title, 1ir.ten,rt. claim &lid demand "hatsoenr of the 1ald paJV of th• lint parl, either hi l&" or equity, of, in .uid to th• abon barpined pnmlH• "'1th the henditameiitll end app11rten&11ee1. TO RAVE .AND TO HOLD die uid premae. abon brplnN and deacrlbed, with tbe appllrlml&IX:M Gato tM •aid part Y of the 1econd part, its hein awl ... 1pe forever . .And the 11id Financial Land Investrrent Coq:oration pll.rtJ" of the !int part, for lt.elf, and lte 9UCCUaon, dotb <::Ol'lllllnt, pwit, bucafn, and agrH to and with the uJd part Y of the 1eco11d part. its hein and •••illflll, that at the mne of the anaeal~ and delivery ot dteH preaeubi It bi well 1elaed of the premisu above conffJ'lld, u of a SGOd. 11lre, perftct, ab.solute and indefeasible estate of inheritance, iu law, tn fee 1\mple, and hath good riitht. fQU po...-er and lawful &11tborlty to grant, bargain, eell and C<ll!TeJ' the •&n1• in manner and form aforeuld, and that the aame are fni• and dear from all iormer and other irrantll, b&rxalna, aalu, Hen•, tana, u1u.ment11 and incumbnncu of wbatenr kind er nature -ver; end the aJ.o.e bargained prem.llU in Ule quiet and peaeu.ble ---..lon of the uJd pert y of the 1eeond part, its hen and &B1!gm, ... lnat 1111 and enn: P91'1oq_~L.J>lru"" la'll'fulb" ctalmlnr: OT W elalm '11• whole or &117 part th&Hot, $111 Rid Phtf or thi tll'n part 1hall 1nd wtJJ WARRANT AND FOREV&R DBFBND. IN WlTNB&I WHBRBOF, The 111d p&rt7 of the fl?St part bath c&\laed Its corporate p&n1e to be J.er-.to ;'.'fu;!h-•t. and corporate nel to be henunto aUised, att.111*1 b7 It. "" .... ~~~ .~'/i!fi':f::: ,. ~ '-'· Ne. 408. 11o~ .... .... EXHIBrr"A" to that certain Deed, dated June 30, 1997, from Financial Land Investment Corporation, as party of the first part, and TBI Prod- uction Company, Inc., as party of the second part. Township 7 South. Ran&e 96 West. 6'\ P.M. Section 25: SE4SW4 Section 36: E2NW4, NE4SW4, S2NE4, N2SE4 Garfield County, Colorado containing: 320 net surface acres, more or less, and 240 net mineral acres, more or less including, but not limited to, all oil, gas, and other hydrocarbon substances, minerals, surface fee estates, mineral fee estates, reversion and reversions, remainder and remainders, rents, issues and profits thereof, oil, gas and mineral leases, right and interests attributable or allocable to the oil, gas and mineral leases by virtue of pooling, unitization, and cotrununitization agreements, surface leases, easements and rights-of-way included within or adjacent to these interests, licenses, permits, water rights, water wells and water stock, including, without lin1itation, thal certain road easement reserved under that certain Deed, dated February 23, 1962, between Claude V. Hayward and Nellie G. Hayward, as parties of the first part, and William G. Gates and James W. Dearing, as parties of the second part, recorded in Book 339, at Page 417 as document 216691 of the Garfield County Clerk and Recorder's Office. Subject to: U. S. Patent reservations; easements and rights-of-way of n .. -cord or in place or in use; and building and zoning regulations. I llllll lllll lllllllllll llllllllllllllll Ill lllllllllllll 518851 01/11/1991 04:081' 11025 Pl61 432 2 of 2 R 11.00 D 33.00 N 8.88 GARFIELD CLERK 280 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Preapplication Conference Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 GARFIELD COUNTY · Community Development Department 108 8th Street, Suite 201 Glenwood Springs, Colorado 81601 Telephone : 970.945 .8212 Facsimile : 970 .384 .3470 www.garfield-county.com PRE-APPLICATION CONFERENCE SUMMARY TAX PARCEL NUMBER: 2409-361 -00-048 PROJECT: High Mesa Compressor Station OWNER: Grand River Gathering LLC -Summit Midstream REPRESENTATIVES: Mike Rose , Summit Midstream Tracey Jensen , Summit Midstream , Lorne Prescott , Olsson & Associates DATE: 8/15/13 PRACTICAL LOCATION: Three miles south of the Town of Parachute off of County Road 304 . The site is located in Section 36 , T?S, R96W. ZONING: Rural (R) TYPE OF APPLICATION : Limited Impact Review I. GENERAL PROJECT DESCRIPTION The Applicant is requesting Limited Impact Review approval for the existing High Mesa Compressor Station . The Applicant represents that th e facility was constructed and compressor units installed between 2006 and 2010 by Encana Oil and Gas (USA) Inc. The intention of the new owners of the facility (Summit Mid Stream -Grand River Gathering LLC) is to properly permit the facility in accordance with the Land Use and Development Code . . The facility consists of eight compressor units and a variety of support infrastructure and buildings . The site is approximately 3 .31 acres in size and located on an overall 320 acre parcel. Existing private access roads approximately 2.1 miles in length are used to access the site off of County Road 304 . II. REGULATORY PROVISIONS APPLICANT IS REQURED TO ADDRESS • Garfield County Comprehensive Plan 2030 • Garfield County Land Use and Development Code o Table 3-403 Use Table o Article 4-104 Limited Impact Review o Table 4 -102 Common Review Procedures o Table 4-201 Application Submittal Requirements o Section 4-203 Description of Submittal Requirements including Impact Report and Traffic Report o Article 7 Applicable Standards including 7-1001 Industrial Use Standards • CDPHE Air Quality and Storm Water Permitting • State and County Noise Regulations (see attached letter on noise regulations ) • State SPCC Requirements • County Weed Guidelines • Restoration and Reclamation plans including any required security/bonding • Waiver Provisions contained in Se ction 4-118 and Section 4-202 as applicable Ill. REVIEW PROCESS 1. Pre -appl ication Conference ; 2 . Submittal of Limited Impact Review Appli cation (3 copies with CD ); 3. Review by Staff for Technically Complete Status; 4. Notice of Completeness to Applicant and schedule for the Public Hearing; or Request for additional application materials; 5. Once determined to be complete the Applicant submits additional copies of the Application for referrals and for the Board of County Commissioners; 6. Copies sent to referral agencies and departments for their comments; 7. Applicant completes public notice by publication, mailing, and posting of site; 8. Staff report preparation; 9. Board of County Commissioner public hearing and decision. IV. ADDITIONAL SUBMITTAL REQUIREMENTS In addition to the applicable code requirements noted above, an application for a Limited Impact Review will also need to provide standard application forms and attachments (i.e. agreement to pay forms), evidence of ownership and/or authorizations such as leases, authorization to represent statemenUletters, proof of access including any easements and related roadway agreements, statements of authority for signatories on lease agreements, existing COGCC and/or CDPHE permits for the facility, a listing of all property owners (with addresses) within 200 ft., an excerpt from the Assessor's Office mapping showing the ownership, a listing of any mineral rights owners on the subject property (with addresses). V. APPLICATION REVIEW a. Review by: b. Public Hearing: c. Referral Agencies: Staff for completeness recommendation and referral agencies for additional technical review _ Planning Commission ..1L Board of County Commissioners _ Board of Adjustment May include Garfield County Road and Bridge Department, Fire Protection District, Garfield County Environmental Health Manager, Garfield County Vegetation Manager, Garfield County Consulting Engineer, Town of Parachute, Bureau of Land Management, Colorado Department of Public Health (Storm- water and Air Quality) VI. APPLICATION REVIEW FEES a. Planning Review Fees: $400 b. Referral Agency Fees: $ TBD -consulting engineer/civil engineer fees c. Total Deposit: $400 (additional hours are billed at $40.50 /hour) General Application Processing Planner reviews case for completeness and sends to referral agencies for comments . Case planner contacts applicant and sets up a site visit. Staff reviews application to determine if it meets standards of review. Case planner makes a recommendation of approval, approval with conditions , or denial to the appropriate hearing body. Disclaimer The foregoing summary is advisory in nature only and is not binding on the County. The summary is based on current zoning , which is subject to change in the future, and upon factual representations that may or may not be accurate. This summary does not create a legal or vested right. Pre-application Summary Prepared by: Glenn Hartmann Senior Planner Date July 19, 20 13 Tracy Jensen Su mmit Mid Stream Partners 2 128 Railroad Ave. Su ite 106 Rifle, CO 81650 Dear Tracy: Garfield County Community Development 108 8th Street, Suite 401, Glenwood Springs, CO 8 1601 Office: 970-945-82 12 Fax: 970-384-3470 This letter is in response to your email requesting Co unty input regarding additional noise analysis that you have comp leted for the High Mesa Compressor Station . The County's position in regard to the two scenarios that you note in your email remains cons istent with past representations during the High Mesa Compressor Station development review last fall. The so und decibel limit should be measured at your property line and should meet the residential decibel limit pursuant to the COGCC regulations (50dBA). This is based · on the COGCC Aesthetic and Noise Control Regulations Section 802.c (1) se nten ce 4 which reads as follows: "Noise levels from oil and gas facilities lo cated on surface property owned, leased, or otherwise contro lled by the operator shall be measured at three hundred and fifty (350) feet or at the property line, whichever is greater." If you have ad dition al noise information and would like to sched ul e a pre-application discussion we wo uld be glad to set up a meeting. Please note that the High Mesa Compressor Station is currently "non -conform ing to the Co unty Regulations for certa in elements of the installation. No modifications (in cluding sou nd mitigation) should be undertaken until you obtain a curren t Land Use Ch ange Permit for the e ntire facility (see Sectio n 12-103.D.2 .). Delaying constru ction of mitigation for cons id eration as part of a future review process will preserve for you a full range of options and help ensu re comp li ance with any Board of County Commiss ioners decisions. Plea se feel free to contact eith er myself or Glenn Hartmann if you have follow-up question s or if you would like to schedu le a time to meet. Sincere ly, /'~ Tamra Allen Planning Man ager Cc: Carey Gagnon, Assistant County Attorney G le nn Hartmann, Senior Planner From:Glenn Hartmann To:Mike Rose ; Tracey Jensen ; Lorne Prescott Subject:Supplemental Pre-Application Notes Date:Tuesday, August 27, 2013 11:58:46 AM Attachments:Summit Midstream High Mesa Pre-App.pdf Hi Mike, Tracey, and Lorne: In addition to the Pre-Application summary, I checked into a couple of additional questions you raised during our meeting. · Regarding building permits for equipment on skids, Andy Schwaller, Chief Building Official is your best contact. He indicated that anything with occupancy by employees (i.e. with a door and roof) would be reviewed for permits. He also indicated that other types of installations that may be impacted by snow or wind would also be reviewed. The best direction is to check with Andy if you have specific equipment or buildings to confirm directly with him if permits are needed. · I also discussed incremental solutions to noise mitigation with Tamra Allen, Planning Manager. The general direction discussed was a willingness to consider Applicant proposals to phase in noise mitigation and/or phase in the number of compressor units operating. We actually have similar situations where a Land Use Change Permit allows for future expansions/addition of compressor units. Any approval would be clearly conditioned on ongoing compliance with noise regulations supported by technical noise studies. I would suggest a supplemental pre-application discussion on this topic. I hope this additional information is helpful. Please call if you have any further questions regarding these topics in particular the noise discussion. Thanks. Sincerely, Glenn Hartmann Community Development Department From: Glenn Hartmann Sent: Monday, August 26, 2013 5:06 PM To: 'Mike Rose'; 'Tracey Jensen'; 'Lorne Prescott' Subject: High Mesa Pre-Application Summary From: Glenn Hartmann Sent: Monday, August 26, 2013 5:05 PM To: 'Tracey Jensen'; 'Mike Rose'; 'Lorne Prescott' Subject: High Mesa Pre-Application Summary Hi Mike, Tracey, and Lorne: Attached is the pre-application summary for the High Mesa compressor station. I used my past staff report for some of the information so hopefully it is all current. Please call or email if the document needs any edits. I also attached the noise letter from Tamra Allen. I should have an update for you later this week on a couple of questions raised during the pre- application meeting. I hope the summary is helpful. Sincerely, Glenn Hartmann Community Development Department 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Project Description Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Grand River Gathering, LLC High Mesa Compressor Station (HMCS) Project Description Narrative Proposed Use Grand River Gathering, LLC (GRG) is proposing to permit the 8-unit High Mesa Compressor Station (HMCS) for gathering natural gas located in southwestern Garfield County, Colorado. The HMCS was originally constructed before the Garfield County Unified Land Use Code required land use permits for compressor stations. The HMCS is an existing compressor station, therefore no new construction or soil disturbance is anticipated. The purpose of this facility is to provide a means for the flow of natural gas from an existing field to a broad system of transmission lines. The existing HMCS has a 50 mmcf/d (million cubic foot per day) capacity. The project area is on property owned by Encana Oil & Gas (USA) Inc (Encana). The site is located in Section 36, Township 7 South, Range 96 W est, 6th Prime Meridian (Vicinity Map V-1). The parcel number for the site is 2409361100048. An existing private gravel access road provides access to the HMCS site from CR 304. The access drive is approximately 2.1 miles long to the point of intersection with CR 304. The HMCS is located on a single parcel of approximately 320 acres with the actual compressor station occupying approximately 3.31 acres. The site is accessed from Garfield County Road 304 (see ALTA/ACSM Land Title Survey, Site Plan section of submittal). It should be noted that there is a High Mesa Header Building illustrated on the site plan that is not associated with the HMCS. Equipment and Buildings The following is a list of equipment and buildings in service: 1. Seven skid-mounted engine-driven reciprocating compressor units (C-100, C-200, C-300, C- 400, C-500, C-600 and C-700), all are CAT Model 3516 (unenclosed) and appurtenant equipment; 2. One (C-800) engine-driven reciprocating compressor unit that is a CAT Model 3616, is contained within a building (2,400 sq ft) and appurtenant equipment; 3. Lube oil tanks 4. Dehydrator and BETX System and appurtenant equipment; 5. Two double-walled underground 80 bbl tanks; 6. Fuel gas skid; 7. Two 300 BBL condensate tanks with corrugated steel containment rings, washout tank; Grand River Gathering, LLC High Mesa Compressor Station Project Description Page 2 8. Instrument air building (126 sqft) and appurtenant equipment; 9. Filter/coalescers and associated contactor; 10. Electrical building (83 sq ft) and appurtenant equipment; 11. Control room building (116 sq ft) and appurtenant equipment; 12. Several electrical panels and switch panels; 13. TCI 1200 Combustor Unit; 14. TCI 2000 Combustor Unit; and 15. Various piping and other appurtenant equipment associated with the operation of the HMCS. Noise control equipment packages including hospital grade mufflers and structures, which will house the compressors to mitigate noise impacts, and sound attenuating baffles, will be applied to all equipment capable of generating noise. Please see the attached Site Diagram for additional detail. As detailed in this application, GRG is requesting a Land Use Change approval for the existing HMCS. All applicable sections of the Garfield County Land Use and Development Code effective July 15, 2013 have been addressed, and are located throughout the application, including the Impact Analysis, Standards Analysis, supporting maps and reports. The Compressor Station is located approximately 3 miles south of Parachute, Colorado at elevations ranging from 5,925 feet to 5,975 feet. No additional compressors are being proposed as part of this application. This property is located within the Rural (R) zone district and is not within a platted subdivision. According the Garfield County Planning Department, the future land use designation for the site is Residential High (RH). Compressor stations are an allowed use in the subject zone district, provided a Limited Impact Review is approved. The standards analysis provides additional information pertaining to the Comprehensive Plan and the importance of the oil and gas industry to Garfield County. The proposed facility meets all applicable standards for the Rural zoning district. The adjacent properties are primarily undergoing oil and gas development and have limited residential and agriculture operations. Due to the location of the facility and as detailed in the Wildlife Study, commissioned for Encana and dated March 2012, accompanying this submittal, the existing facility will continue to have a minimal impact, if any, to the surrounding area. Existing topography and the addition of appropriate noise mitigation measures will limit sound and accommodate Colorado Oil and Gas Conservation Commission (COGCC) and Garfield County code requirements. As noted, the HMCS is an existing facility, so no further surface disturbance is anticipated outside the existing boundary. Implementation of industry best management practices (BMPs) will further ensure that the surrounding environs will not be negatively impacted. GRG has developed an area-wide Master Stormwater Management Plan (SWMP) for the South Parachute area that details the use of site-specific BMPs associated with the operation of this facility. Implementation of the SWMP will ensure that activities conducted at the site comply with stormwater management regulations as required by Garfield County, the State of Colorado, and the United States Environmental Protection Agency. As part of that plan, disturbed soils will be reseeded to maintain stability as soon as practical and BMPs will be utilized to mitigate sediment erosion and transportation. Implementation of these plans also ensures that operation of this facility will not impact surface runoff, stream flow, or Grand River Gathering, LLC High Mesa Compressor Station Project Description Page 3 groundwater. Any construction resulting in soil disturbance will be addressed in the implementation of stormwater BMPs including but not limited to wattles, straw bales, silt fencing and check dams. The HMCS site is accessed via a private road that is accessed from Garfield County Road (CR) 304 (Richardson Road). An ALTA/ACSM Land Title Survey, included in the Site Plan section of this submittal, illustrates the surveyed location of the private access road to its intersection with CR 304. The proposed operation is estimated to generate approximately one (1) light vehicle per day or approximately seven (7) light vehicles per week for maintenance/monitoring purposes. No new accesses or auxiliary lanes onto a County or State roadway will be required as indicated in the Traffic Study. This facility will be in operation for approximately thirty (30) years, the expected lifespan of the associated gas wells in the area. When the facility is no longer needed to support operation of the wells in the area, this site will be reclaimed by removing all surface equipment and structures, grading to restore original contours, replacing any topsoil that may have been removed, and revegetating the reclaimed area with the applicable seed mix. See Reclamation Plan in this submittal for further information. Because the facility is already constructed, potential impacts to wildlife, natural environment, and the surrounding properties will be minimal. The proposed facility is located on an existing disturbed area that will not be expanded. No significant impacts from smoke, vibration, heat, radiation or fumes will be produced as a result of the operation of this facility. The topography surrounding the facility acts as a visual and sound barrier in most directions, and the facility will only be partially visible from surrounding properties and public roads. Adjacent properties wil l not be negatively impacted, and operation of the facility will not create a public nuisance or hazard. The HMCS compressors are powered via an overhead electrical power line and therefore do not require an air quality permit. A copy of the air quality permits required for appurtenant equipment is included in the Air Quality section of this submittal. Grand River Gathering, LLC High Mesa Compressor Station Project Description Page 4 Figure 1 High Mesa Compressor Station site 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Vicinity Map Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 70 6 Parachute High Mesa Compressor Station Legend High Mesa Compressor Station 2409-361-00-048 (Area: 320 acres) 3-mile radial circle Highway/Interstate County Roads Parcels 0 1 20.5 Miles 3-mile radium indicated by dark red circle PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/12/12 VICINITY MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE V - 12 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Site Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 Prop o s e d S i t e P l a n 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Grading and Drainage Plan Assessment Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 OLSSON ASSOCIAT E S Tracey Jensen Summit Midstream Partners 2128 Railroad Avenue, Suite 106 Rifle, CO 81650 Re : Garfield County Drainage Report Review High Mesa Compressor Station Expansion Project Dear Ms. Jensen: October 21 , 2013 Olsson Associates (Olsson) has conducted a review of the Final Drainage Report, High Mesa Compressor Station Expansion Project, dated March 21 , 2011 by River City Consultants (report). The report was reviewed to determine whether the conclusions of the report remain valid with the current Limited Impact Review submittal. The report was prepared for the expansion of the compressor station . The improvements discussed within the report are related to the expansion at the east end of the site. The report includes the following information : • Introduction o Background o Project Location o Project Description o Previous Investigations • Dra inage System Description o Existing Drainage Cond itions o Offsite Tributary Area o Proposed Drainage System Description o Drainage Facility Maintenance • Drainage Analysis and Design Criteria o Regulations o Hydrologic and Hydraulic Criteria o Calculation Methodology o Input and Results • Conclusions A Site Plan was prepared by River City Consultants dated April 2, 2012 (site plan). The site plan depicts the existing conditions. The report appears to be consistent with the site plan along the east end of the site where the improvements took place . 760 Horizon Drive , Sui te 102 Grand Junction, CO 81506 T EL 970 .263. 7800 FAX 970.263.7456 www.oacons ulti ng.com ----- The report is consistent with standard engineering practices and appears to be in conformance with the intent of the Garfield County Un ified Land Use Resolution. No sign ificant deviations from the focus of the report are observed within the s ite plan . If you should have any questions regarding the rev iew please let me know. Sincerely, Wyatt E. Popp, PE Senio r Project Engineer 760 Horizon Drive, S uite 10 2 Grand Junction, CO 81506 TEL 970 .2 63.7800 FAX 970.263 .7456 www. oa c on suiting .com Garfield County Building & Planning Department 108 8th Street Suite 401 Glenwood Springs, co 81601- Phone: (970)945-8212 Fax: (970)384-3470 Project Address PARACHUTE, CO Owner Information EnCana Oil and Gas Parcel No. 240936100048 Address 370 17th ST Denver CD 80202 Subdivision ·• RenrJlttvd.'GRAD-4.;1'f-1978 .••.··• .. Pe(frJit fype: ~r~!lill!J l"ert1Jit •woJk Classificatipf': MaJcir f?ennitStal!Js.'Active·•···· Issue Date: 4/8/2011 Expires: 10/05/2011 Section Township Range Phone Cell 720-876-3513 Contractor(s) Phone Primary Contractor Required Inspections: Proposed Construction I Details Expand existing compressor station site to the east; to include site grading modifications FEES DUE FEES PAID Valuation: $ 0.00 Total Sq Feet: 52272 Fee Amount Inv Total Paytype Amt Paid Amt Due Major Grading Fee Total: Friday, April 8, 2011 $400.00 $400.00 Inv# GRAD-4-11-20941 $ 400.00 Check# 688663 $400.00 $ 0.00 Fo,ln•po,Uon• '"" • 1 {888)868-5306 Inspection IVR See Permit Record Building Department Copy 2 High Mesa Compressor Station Expans i on Grad ing Modification I 2 GARFIBLD COUNTY GRADING PERMIT APPLICATION 108 8th Street, Suite 40 l , Glenwood Springs, Co 81601 Pho ne: 970-945-82 12 I Fax: 970-3 84-34 70 I Inspection Line: 888-868-5306 www.garfield-county .com Parcel No: (this infonnation is available at the assessors office 970-945-9134) 24<*\-361-00-048 Job Address: (if an address has not been assigned, please provide Cr, Hwy or Street Name & City) or and legal descripti on E1/2 NWl/4 and SW1/4 NE1/4, Section 36, Townshi p 7 South. Range 96 West. Garfield County. CO 3 Lot No: 'Block No: Subd ./ Exemption : 4 Owner: (property owner) Mailing Address 2717 CR 215, Ste 100 Ph : All Ph; Encana Oil & Gas (USA) Inc. Parachute, CO 81635 (970) 285-2825 5 <fcngaciar: . d o e etermine Mailing Address Ph : Alt Ph: 6 Architect I En~neer : Mailing Address 744 Horizon Ct. Ste llt Ph : Alt Ph: River City o nsultants Grand Junction, CO 81506 (970) 241-4722 7 Sq . Ft. of Grading: 52,272 I Cu. Yd. of Grading: 5,152 8 Describe Work: Expand the existing Compressor Station site to the east; to include site grading modifications. 9 ALL UTILITIES MUST BE LOCATED PRIOR TO ANY GRADING NOTICE Authority. This application for a Grading Permit musr be signed by the Owner of the property, described above, or an authorized a11en L lf the signature below is not that of the Owner, a scparnte kttcr of authority, signed by the Owner, mus t be: provided with this Application. Legal Ae<t.'l•. I\ Grading Penn it caMot be issued without proof of legal and adequ•te access to the property fur purposes of inspection• by the Building Depart.men!. Other Permit" Multiple separate perrnils may be required: {I) Slate Electrical Pennit, (2) County ISDS Pcnnit, (3) ano the r pennit required for use on the property identifie d above, e.g. State or Coiu1ty Highway/ Road Access or a Stale Wa •tcwater Discharge Penn it. Void Permit. A Permi t becomes null and void if the work authorized is not commenced within 180 days of the date o fissua11ce ond if work is suspended or nba ndoned for• period o f 180 days aft.tr couuncnccmcnt. CERTIFICATI ON ' hereby certify that I have read this Application and that the infonnatioo contained above is true and correct. I understand that the Building Department accepls the Application, along with the plans aod specifications and olher daia submi ned by me or o n my beh•lf{subminals), based upon my certification a s to acclll'll.cy. Assuming complcleness of the submittals and approval of this Application. a Permit wilt be issued granting permission to me, as Owner, 10 construct the structure{s) and lilc ilities d~tailed on the submittals reviewed by the Building Depllrtmcnt. ln coasidcration of the issuance of the g Permit, I agree that J and my agcnls will comply with provisions of any federal, stale or loca l law regu lating the woik and the Garfield County Bui lding Code, ISDS regulations and applicable land use rcgulaiions (County Rcgulation(s)). I acknowledge that the Permit may be suspended or revok ed, upon notice from the County, if the location, construction or use of the structure(•) and facility(ies), described above, are not in compliance wiUt County Regulation{s ) or a ny other applicable law, I hereby gr•nt permission to the Building Depamnent to e nt er the property, described above, to inspecl the work. I further acknowledge that the issUBnce o f the Permit docs not prevent the Building Official from : ( 1) requiring the correction of errors in the s ubmittals, if any, discovered a l\er issuance; o r (2) stopping construction or use of the structure(s) or fa cility(ies) if such is in violation of County Regulation(s) or an y other applicable law. Review of this Application, including submittaJs, and in spections of the work by th.e Building Department do not constitute an acceptance of responsibility or liability by the County of errors, omissions or discrepancies. As the Owner, I acknowledge that responsibility for compliance with federal, state and local law s and County Regulations rest with me and my authorized agents, including without limitation my architect designer, engineer and/ or buildcl". r HE~BY ~:?.:G:;;/~;AJRSTAND TllE NOTICE & CERT~l~~o~ ~~:!I OWNERS SICNA TURE DATE Special Conditions: Fees Paid & Date: STAFF USE ONLY The financial security shall be held by Garfield County until vegetation h~ been successfully reestablished according to the Reclamation Standards in the Garfield County Weed Managcrncrot Plan. It is the responsibility of the applicant to contact the County, upon successful re-vegetation es tab lishmen t, to re quest an inspection for security release consideration. Contact person: Steve Anthony, County Vegetation Manager, ph: 625-8601 ~CD.00 4.1. J Issue Date: DATE .lalaoce Due: ~ ....j cx:i 1 4 0 17 REVISIONS 8 .L.M. • • • • • 2 407-1 9 3 -00-1 62 • • • J • ) • I • ., • • 8 • • • C\J Daybreak Realty • ~ ..... t ................... High Mesa Treatment Facility & Compressor Station 36 ..__ EnCana Parcel BOUNDAR Y @ B.L.M. t:.O ~ ~ ~ ~ ~ % .,, CJr BY.! SOT ENCANA . i!""'C'D Professional Land Surveyors ~ 06 'il 906 Main Streel ,,,,-/ ~ SURVEYING Evans to n. Wyoming 82 930 (:t=======t=r:t=t:::IPRi,.,,P'i:i'iROE'L"vco_8 "+· ---jCOMPRESSOR STATION ASSESSORS MAP ~ifil,, & HIGH MESA WATER TREAT MENT FAClLITY 2/07/11 OCSCR/PTION 0 Ar£ SCALf: 1 .. _ IOOO ' UBER: 10-04-76 9 Y CHK APPR. UMBER: -GRADfNG MODIFICATIONS - S ECfION 36, T7S, R96W, 6th, P.M. GARFf C L Final Drainage Report High Mesa Compressor Station Expansion Project March 21, 2011 Prepared for: Encan Oil and Gas (USA) Inc. 2717 County Road 215, Suite 100 Parachute, CO 81635 Prepared by: RIVER CITY 744 Horizon Court, Suite 110 Grand Junction, CO 81506 Phone: (970) 241-4722 Fax: (970) 241-8841 Job No. 1086-025 TABLE OF CONTENTS ........................................................................... I I. Introduction .................................................................................................................. 1 A Background .............................................................................................................. 1 B. Project Location ....................................................................................................... 1 C. Project Description .................................................................................................. 1 D. Previous Investigations .......................................................................................... 2 II. Drainage System Description .................................................................................. 2 A. Existing Drainage Conditions ............................................................................... 2 B. Offsite Tributary Area ............................................................................................. 2 C. Proposed Drainage System Description .............................................................. 2 D. Drainage Facility Maintenance ............................................................................. 3 III. DRAINAGE ANALYSIS AND DESIGN CRITERIA ....................................... 3 A. Regulations ............................................................................................................. 3 B. Hydrologic and Hydraulic Criteria ..................................................................... 4 C. Calculation Methodology ..................................................................................... 4 D. Input and Results ................................................................................................... 4 IV. CONCLUSIONS ....................................................................................................... 5 FIGURES General Location Map ..................................................................... 1 High Mesa Compressor Station Expansion Project Grading Plan ............... 2 Drainage Basin Map ........................................................................ 3 APPENDIX Hydrology and Hydraulic Calculations (model output) ............................... A NRCS Web Soil Survey .................................................................................. B S:\ PROJECTS\ 1086 EnC<1na\025 High Mes" Cornpressor Station Expansion\ Design\ Drainage\ Drainage Report.doc FDR-I I. Introduction A. Background The purpose of this Drainage Report is to identify pre and post development drainage conditions for the High Mesa Compressor Station Expansion Project. This report identifies the following items with respect to the site: existing drainage, potential drainage issues resulting from this project, solutions to the potential drainage issues, and post construction BMPs. River City Consultants, Inc. prepared this Final Drainage Report for Encana Oil and Gas (USA) Inc. of Parachute Colorado. B. Project Location The project is approximately 3.75 miles directly south of Parachute Colorado on High Mesa. The project is southeast of I-70 and the Colorado River, northeast of Pete and Bill Creek, southwest of Dry Creek, and approximately 2.25 miles north of the Garfield and Mesa County border. The project is wholly within Parcel # 240636100048, which is owned by Encana. In more legal terms, it is located in East 1/2 Northwest% and Southwest% Northeast% Section 36, Township 7 South, Range 96 West of the 6th Principal Meridian, Garfield County, Colorado. Primary access to the site is from County Road 304 and private access roads. The proposed project will be on a parcel owned by Encana Oil and Gas (USA) Inc .. C. Project Description The primary purpose of the proposed project is to expand the existing Compressor Station pad to the east. This is being done to make room for the additional equipment need to expand the existing station. The project will also consist of general site grading, a gravel surface, and stormwater conveyance facilities (diversion ditch, and new culvert). This project consists of approximately 5,152 cubic yards of cut and 295 cubic yards of fill. This volume does not include spoils for equipment foundations, concrete, and other materials. Proposed finished surfaces are gravel, roof/ concrete, and top-soiled and revegetated. No lots are being proposed as part of this project. The cover conditions at the project site currently consist of sage brush cover for undeveloped areas and gravel and grassed slopes for developed areas. The existing grades on the project site vary from 2 percent to 2H:lV. Existing land adjacent to the site is generally sloped at less than 10%. S:\PROJECTS\ 1086 EnCana\ 025 High Mesa Compressor Station Expansion\ Design\ Drainage\ Drain,1ge Report.doc FDR-1 According to the NRCS web site, the upper layer of soil present at the project site consists of Ildefonso stony loam, Nihill channery loam, Potts loam, and Potts-Ildefonso complex. These soil types have hydrologic soil classifications ofB. D. Previous Investigations No known previously completed drainage reports effect the projected area. Accordingly none were reviewed as part of this project. II. Drainage System Description A. Existing Drainage Conditions The site drains to Pete and Bill Creek, which in turn ultimately drains to the Colorado River. Pete and Bill Creek is a seasonal creek and receives runoff from the southern portion of High Mesa. Existing cover conditions with the major basin are primarily undeveloped. The development within the basin almost completely consists of dirt/ gravel roads and pad areas. The predominant drainage pattern is characterized by overland flow sloping to the northwest. Grades range from relatively flat on the pads to 2H1V on cut/ fill slopes. Man-made and natural channels and other natural features collect and concentrate surface runoff. Occasionally roads cross the slope also concentrating and diverting runoff. Flow from the site and areas up-basin from the site drain to Pete and Bill Creek and ultimately to the Colorado River. The Site currently contains some improvements. These improvements include dirt/ gravel roads and pad area, associated shoulders and ditches, and buildings. Sage and grasses are the predominate vegetation on the unimproved portions of the site and would be classified as in fair to poor condition. B. Offsite Tributary Area As previously noted, this site receives off-site flows from the east. Cover conditions adjacent to the site are primarily range lands with sage and grasses being the predominate species with occasional brush, juniper, and other woody vegetation. Grades adjacent to the site average approximately 9 percent. The site generally slopes east to west. Soils within the offsite tributary area as also hydraulic soil group B. S:\PROJJ:::CTS\ 1086 EnCana \025 High Mesa Compressor Station Expansion\ Design\ Drainage\ Drainage Report.doc FDR-2 C. Proposed Drainage System Description The proposed final drainage system will consist of earthen ditches, culverts, a sediment basin, and other stormwater BMPS. A small amount of impervious area is proposed for final cover. Existing and proposed runoff coefficients for the overall drainage basin do not significantly vary because of the overall small percentage of area where the runoff coefficients will increase. Thus the quantity of runoff from the site will not vary significantly from existing conditions to proposed conditions. The water quality from the site under proposed final conditions will be controlled by revegetation, a diversion ditch, check dams in the ditches, a sediment basin, rip-rap, and vegetative buffer zones. Off-site flow from the east will be routed around the site via two diversion ditches. The sediment basin was not designed to provide detention or retention. However, just by nature the pond will slow runoff and thus detain flows and retard the peak runoff from the site. Access to and through the site shall be by the proposed gravel surface roads as shown on the drawings. D. Drainage Facility Maintenance The proposed drainage system will not be maintenance free. Maintenance will be performed by Encana. The sediment basin will be cleaned when sediment is within six inches of the culvert invert or 1 foot deep, whichever is less. Ditch check dams will be cleaned when sediment build up is one half the height of the dam or 12 inches, whichever is less. Vegetated buffer areas will be protected by signs and/ or fencing to keep people and traffic off these areas. It is advisable to inspect drainage facilities following any major storms or at a frequency no less than once a month and that inspections be documented by the person conduction the inspection. Any issues or deficiencies noted during the inspection should be corrected immediately. III. DRAINAGE ANALYSIS AND DESIGN CRITERIA A. Regulations The policy, design criteria, design constraints, methods of analysis, recommendations, and conclusions presented in this report are in conformance with standard engineering practice and Article VII Standards S:\PROJECTS\ 1086 EnCan,1\025 High Mesa Compressor Station Expansion\ Design\ Drainage\ Drainage Report.doc FDR-3 Section 7-207 Stormwater Runoff of Garfield County Unified Land Use Resolution of 2008, as amended 7-19. B. Hydrologic and Hydraulic Criteria No drainage constraints were noted for this project. The hydrologic design criteria presented in this report are in conformance with standard engineering practice. Other manuals and publications were also reviewed to determine conformity with accepted design practices and applicability to the project. These include the National Engineering Handbook, the Civil Engineering Reference Manual, and the Certified Professional in Storm Water Quality (CPSWQ) Study Guide. C. Calculation Methodology Hydrology and hydraulic calculations were performed using Autodesk Storm and Sanitary Analysis 2011 (formerly BOSS International's StorrnNET). Some hydraulic calculations were spot checked using Bentley FlowMaster. The following model engines/ methods/ equations were used: USEP A SWWM (hydrology), SCS Curve Number (infiltration method), hydrodynamic (hydraulic routing/link), and Hazen-Williams (hydraulic link). D. Input and Results The model input and results are as follows: • A composite SCS Curve Number was derived based on cover conditions within each basin (see attached model printout for specifics) • The model consists of 3 basins (two off-site basins and one on-site) and 4 links (3 ditches and 1 culvert). • The 100 year 24 hour storm was used to size all drainage features (SCS Type II with a total rainfall value of 2.6 inches from NOAA Atlas 2 Volume III -Colorado). • Two off-site basins were modeled, both produced 1.1 inches of runoff (approximately 1.5 inches of rainfall was lost to infiltration and other losses). • The on-site basin produced 1.4 inches of runoff (slightly more than 1 inch of rainfall was lost to infiltration and other losses). • Basin sizes ranged from 1.9 acres to 0.4 acres. • Peak flows for the 100 year 24 hour storm were: Off-site Basin 1 = 1.05 cfs; Off-site Basin 2 = 0.44; Basin 3 = 0.37 cfs; The runoff rate of off-site basins ranged between 0.1 and 1 cfs per acre. The runoff rate of on-site basin was 1 cfs per acre. These values are within the expected range of values. S:\PROJECTS\ 1086 EnCana\025 High Mesa Compressor Station Expansion\ Design\ Drninage\Dr;iinage Report.doc FDR-4 • Model continuity for runoff (hydrology) was 0.000% and 0.044 % for routing (hydraulic). These values are fully within the acceptable range. IV. CONCLUSIONS The policy, design criteria, design constraints, methods of analysis, recommendations, and conclusions presented in this report are in conformance with standard engineering practice and Article VII Standards Section 7-207 Stormwater Runoff of Garfield County Unified Land Use Resolution of 2008, as amended 7-19. The proposed design, which is based on the model is as follows: • Off-site Basin 1 Diversion Ditch -Minimum cross section = triangular 1.0 ft deep, 4 ft wide at the top, 6.4% longitudinal slope (33% capacity during 100 yr 24 hour). (**For areas where the longitudinal slope is less than 6.4% the depth of the ditch should be increased to 1.5 ft and top width to 6 feet); • Off-site Basin 2 Diversion Ditch -Minimum cross section= triangular 1.0 ft deep, 4 ft wide at the top, 12% longitudinal slope (33% capacity during 100 yr 24 hour). (**For areas where the longitudinal slope is less than 12% the depth of the ditch should be increased to 1.5 ft and top width to 6 feet); • Basin 3 Ditch -Minimum cross section= triangular 0.5 ft deep, 2 ft wide at the top, 6.4 % longitudinal slope (33 % capacity during 100 yr 24 hour). (**For areas where the longitudinal slope is less than 6.4% the depth of the ditch should be increased to 1.5 ft and top width to 6 feet); • Basin 2 & 3 Culvert - A new 18" RCP is proposed at 2%. The culvert will be at 20% capacity during the 100 year 24 hour storm. The design will effectively manage stormwater and provide stormwater BMPs. The proposed BMPs are simple, easy to inspect, easy to maintain, and proven to work effectively. S:\PROJECTS\1086 EnCma\025 High Mesa CompressorSlotion Expansion\Design\Droinage\Drninage Report.doc FDR-5 Permit BOND (License or Permit· Continuous) Bond No. 105500968 Travelers Casualty and Surety Company of America One Tower Square, Hartford, CT 06183 KNOW ALL MEN BY THESE PRESENTS: THAT WE, EnCana Oil & Gas (USA) Inc., as Principal, and Travelers Casualty and Surety Company of America, a corporation duly incorporated under the laws of the State of Connecticut and authorized to do business in the State of Colorado, as Surety, are held and firmly bound unto Garfield County, Board of County Commissioners, as Obligee, in the penal sum of One Thousand Two Hundred Seventy Six and No/100 ($1,276.00) Dollars, for the payment of which we hereby bind ourselves, our heirs, executors and administrators, jointly and severally, by these presents. WHEREAS, the Principal has obtained or is about to obtain a license or permit for 0.51 acres for the High Mesa Compressor Station Expansion/Grading Modifications located in East Y, Northwest '!. and Southwest '!. Northeast % Section 36, Township 7 South, Range 96 West of the 6th Principal Meridian, Garfield County, CO. NOW, THEREFORE, THE CONDITIONS OF THIS OBLIGATION ARE SUCH, that if the Principal shall faithfully perform all duties and protect said Obligee from any damage caused by the Principal's non-compliance with or breach of any laws, statutes, ordinances, rules or regulations, pertaining to the license or permit issued, then this obligation shall be null and void; otherwise to remain in full force and effect. This bond shall become effective on the 291h, day of March, 2011. PROVIDED, that regardless of the number of years this bond is in force, the Surety shall not be liable hereunder for a larger amount, in the aggregate, than the penal sum listed above. PROVIDED FURTHER, that the Surety may terminate its liability hereunder as to future acts of the Principal at any time by giving thirty (30) days written notice of such termination to the Obligee . . SIGNED, SEALED AND DATED this 291h, day of March, 2011. EnCana Oil & Ga~ (USA) In/) Byr v!/ ?r_/z~ :e;G 1000C . ,Principal fl-fforne..y -•o-f=c;_c\ S-2151A (02-00) WARNING: THIS POWER OF ATIORNEY !S INVALID \liJITHOUT THE RED BORDER ~ TRAVELERSJ Attorney~In Fact No. 2] 99] 6 POWER OF ATTORNEY Farmington Casualty Con1pany Fidelity and Guaranty Insurance Company Fidelity and Guaranty Insurance Underwriters, Inc. St. Paul Fire and Marine Insurance Company St. Paul Guardian Insurance Company St. Paul Mercury Insurance Company Travelers Casualty and Surety Company Travelers Casualty and Surety Company of America United States Fidelity and Guaranty Company Certificate No. Q Q 31 4 0 4 2 7 KNOW ALL MEN BY THESE PRESENTS: That St. Paul Fire and 11arine Insurance Company, St. Paul Guardian Insurance Company and St. Paul Mercury Insurance Company are corporations duly organized under the laws of the State of Minnesota, that Farmington Casualty Company, Travelers Casualty and Surety Company, and Travelers Casualty and Surety Con1pany of America arc corporations duly organized under the laws of the State of Connecticut, that United States Fidelity and Guaranty Company is a corporation duly organized under the laws of the State of Maryland, that Fidelity and Guaranty Insurance Company is a corporation duly organized under the laws of the State of Iowa, and that Fidelity and Guaranty Insurance Underwriters, Inc., is a corporation duly organized under the laws of the State of Wisconsin (herein collectively called the "Companies"), and that the Companies do hereby make, constitute and appoint Teresa D. Kelly, Dan W. Burton, Benjamin D. Wilcox, and Candace 0. Bosheers of the City of Houston , State of Texas , their true and lawful Attomey(s)-in-Fact, each in their separate capacity if more than one is named above, to sign, execute, seal and acknowledge any ru1d all bonds, recognizances, conditional undertakings and other writings obligatory in the nature thereof on behalf of the Companies in their business of guaranteeing the fidelity of persons, guaranteeing the perfomrnnce of contracts and executing or guaranteeing bonds and undertakings required or permitted in any actions or proceedings allowed by law. 21st ...-:-...;i ~'ITNESS \\7HEREOF, the Companies have caused this instrun1ent to be signed and their corporate seals to be hereto affixed, this ----------- July 2009 .iyof , ____ . State of Connecticut City of Hartford ss. Farmington Casualty Company Fidelity and Guaranty Insurance Company Fidelity and Guaranty Insurance Underwriters, Inc. St. Paul Fire and Marine Insurance Company St. Paul Guardian Insurance Company ~ ~ St. Paul Mercury Insurance Company Travelers Casualty and Surety Company Travelers Casualty and Surety Company of J\.merica United States Fidelity and Guaranty Company On this the _2_1_5_1 _____ day of J_u_l_Y ________ _ 2009 _ ___ , before me personally appeared George V/. Thompson, who acknowledged himself to be the Senior Vice President of Fannington Casualty Company, Fidelity and Guaranty Insurance Company, Fidelity and Guaranty Insurance Underwriters, Inc., St. Paul Fire and Marine Insurance Company, St. Paul Guardian Insurance Company, St. Paul Mercury Insurance Company, Travelers Casualty and Surety Company, Travelers Casualty and Surety Company of America, and United Stales Fidelity and Guaranty Company, and that he, as such, being authorized so to do, executed the foregoing instrument for the purposes therein contained by signing on behalf of the corporations by himself as a duly authorized officer. In Witness Whereof, I hereunto set my hand and official seal. 'y Commission expires the 30th day of June, 2011. 58440-4-09 Printed in U.S.A. "'Marie C. Tetreault, Notary Public WARNING: THIS POWER OF ATTORNEY IS INVALID WITHOUT THE RED BORDER GARFIELD COUNTY BUILDING AND PLANNING DEPARTMENT PAYMENT AGREEMENT FORM (Shall be submitted with application) GARFIELD COUNTY (hereinafter COUNTY) and EnCana Oil & Gas IUSAI Inc. ____ Property Owner (hereinafter OWNER) agree as follows: 1. OWNER has submitted to COUNTY an application for High Mesa Compressor Station Expansion/Grading Modifications -GRADING PERMIT (hereinafter, THE PROJECT). 2. OWNER understands and agrees that Garfield County Resolution No. 98-09, as amended, establishes a fee schedule for each type of subdivision or land use review applications, and the guidelines for the administration of the fee structure. 3. OWNER and COUNTY agree that because of the size, nature or scope of the proposed project, it is not possible at this time to ascertain the full extent of the costs involved in processing the application. OWNER agrees to make payment of the Base Fee, established for the PROJECT, and to thereafter permit additional costs to be billed to OWNER. OWNER agrees to make additional payments upon notification by the COUNTY when they are necessary as costs are incurred. 4. The Base Fee shall be in addition to and exclusive of any cost for publication or cost of consulting service determined necessary by the Board of County Commissioners for the consideration of an application or additional COUNTY staff time or expense not covered by the Base Fee. If actual recorded costs exceed the initial Base Fee, OWNER shall pay additional billings to COUNTY to reimburse the COUNTY for the processing of the PROJECT mentioned above. OWNER acknowledges that all billing shall be paid prior to the final consideration by the COUNTY of any land use permit, zoning amendment, or subdivision plan. PROPERTY OWNER (OR AUTHORIZED REPRESENTATIVE) Renata Busch Print Name Malling Address: EnCana Oil & Gas (USA) Inc. 2717 County Road 215, Suite 100 Parachute, CO 81G35 Page4 STATEMENT OF AUTHORXTY ?ursuant to C .R .S . §38-30-172, the undersiqn ed executes ~h is Statemenl of Authority on behalf cf EnCana Oil & Gas (U~~ !_i:ic., a corpor tlt ion. (corpo ra t ion, limited liability compa 11y, ger.e:-a ~ partnership , registered l i m.L teci 1 iab ili ty partnership, r es:s t er ed limited l iability limited partnership , lj.mited pi::l::-t :iership associat i on , gover:nment agency , trust or other), an emity other t han a n i n dividual , capable of ho l d i ng tit l e to ~ca l property (the ~Entity"), and slates as follows: '-:":1e n ame of the Enti t y is EnCana 0:.1 & Gas (!JSA) Tnc:. and " t e rmed mider the laws of the Sta l.e of Oe laware . The ma iJ i.ng address for the F.nti t.y is 3·10 l7 t 11 St:r-eet, Suite l 7 00 ; Denver , co 8020?.. '.he n<>n:e ond/or: pos i tion of Lh e pe :-so:L(s) cJ',n::hori:.::ed Lo t~x ec·J:...c instrumen ts conveyi.r.y , en:.:u rr bc~i ~g , cir· o Lhcn·d.sc :J :te c ::.:.rq Litle to real proper t y on behaH o f the I::nt it.y ishin ~ Brenda L inster., Kent r.Lndberg, Renata Busch , Brett Cr~bb, Jason Eckma :), Chris Putnam and Khem Suthhrnn. _'h«::! l i:ni l.ri tlo ns u pon the a u t hor .:.t.y of the p ~rson nilmeci i.lb1>'.r~ o c h o ~d in q t:he p o sition dcscr ibcci .:i b o v e !".c bi nd the Ent.iL y .1:-e el s foL.o ws: sign _Garfield Cour1t y per:rii.ts i n ~ludlng , but not _.:.:n.:..::.e d to Soecial Use Pe rmits; P i peline Devel o pn]ent .. ~~!.1!.:!. l\dm :_ n is L ra t .:. ve P errn li .~_; __ Maj or and Mi n o!" Permits and .S rnri 1 1 Fae'. l i ::y -~hecklis t s for Te meorary Emp l oyee ll ous i~q; __ grading oc ~~.:..:s ; bu il d i ng p urmlts ; ISDS perm :::s; ~ti l ity lnst.allation ~..::.:'.!::..s ; d:r i vew~y permH.s; maior ImJ:?a.c:: Per:ni t.s; _T.i:nj_tc:d .. l_EP-dr:t. Pe r m ' .s; a md Administrative Permits. {i t an 1 :.··n i t a:io:is, ir:.seoc.._ u ~~or .e") O::h er matters co ncerning t h e ma nne r in wh ich t h e Entity J e d .S wi t h ~n y interest in real proper ty are : '. e I •'.: l lll IJ~.,~~·~~~~:~1NIUJ~)VD,1+JrJ.~,1Mt r~:i 1 i.·~ 11 111 Reception~: 760312 1211 8f2008 03 : 14 ·CJ Pl'I Jean Al berico 2 or 2 ~ec Fee $11 00 Doc Fee 0 00 GARF IELO COUIHY CO Page 2 of Statement of Authority t:Xl!CUT F.:D t:his 1q/t ' day of ~I r ~,__I __ ,__('_\ ~O<·l · !:iignai:urc : ''Y =::::!__ ~ame(typed o r pr i nted: -~ ~~' t ilt (L'//1 __ s·r il -rt-: or _fb / t 'LL COUN'l'Y 8 F 1 t! l l T i tle (i.f an y ): ) )SS. ) -~~Ct _LJ1' ,, { t p 1 'l'h': •:)r ccoi n a i nst r ·Jmf!n t: w;Js a c k n o1-1led0Pd ~ef 0r e me :..t ... '> I rl-'y o f _h,/1q l_.t1 ~_· , /.C Oo uv l r t I \ 11t l[lf1 , 0 11 b c '.-1al.: o ! f ,/711 ~ H I -'H .. (J I J_t , a _._I·--!. ..• ,w fJ.lr 1 1 Wlcn c s s ~y h a n d a nd of!ici ni s p a l . 11, · U_!__~d_L.l __ icana -High Mesa Compressor Station FIGURE 1 RIVER CITY GENERAL LOCATION MAP CONSULTANTS DATE ISSUED: 03/22/11 NOT TO SCALE Cl~ Z>-7t. ]) v•-··------------ Tm.s DJ:110, w..t• lld• JOth u 7 ot. June u97 , betw•11 Financial Land rnllWttltEnt Corp:::iration 6363 Kenyhi 11 O:::urt 1 torpor.lion dalr~i:J'M}:'a:~ifil, ~~ li1 "'""'• ~r th1 l•w• at th• Sta ta"' Del~ware .r ~li• ~ ~. •NI 'ml Pndlction C'crl'pany, .In::'., a DBl<l'llW'e Corp::>ratioo 555 11th st., Suit.e 1aso, Denver, co 00202 -- ' • .r_ '!' WITHl!Slll'l'H. Thi.I; U.1 ...i.s ,.rtr rl U.11.J.wt..-11, for and ln ~llll*~l'lltlOll ol th• 1»m orona hundred dollars, and other ncxxt and valuable conaitlerat:i.on (SlOO.OD a,v.cr.t ~ to tlll11&ldiwlYQ(1Mflnt,..rl'iA-hlrulriaYl:>r~-.. UI put.V "'u;, ••t.,.;d pan, ttio '"'"''"' ~ ..... t b 11.ntlrT eollft1_, ud aclmnl•d~I, blob l'l"Ulted, buxalluid • .ollf PC"~m"J'fd, •11d i.,. irn. .. pr.et. &tit. ~I,, •U'l.U.. Nil, ton.,..,....,, ullfl..,, llflto u.. ~ 1111't v ot. th11M<>IMI J1ut. its hi.Ir., in.a ....tp, '""'"'• 111 <J lt... iAlf-lat,t Qffrll>+ti J•t u pU.ol. ot l&llll, ai\ou.l<o, fJln& llh4 bliq' ii> "'' C....nry l>t Carfiold alMI Bl.at. of ~OTM111. 111'1111: as n-ore fully described Oil El!hlliit "A"' att&ched hereto an:J made s gart ~!. Fina:rcial LaM Inve~nt O>qXlrdtion p~ d tb fttd put, fo~ lbnilf • .u><l ltan«:&•....,.,dot. _, _.., ~ .... o1 .... -W ....i wilt! .. N.ldlf>llC. 'J Id' 11>11100114 p&rt., itt: htin aiid _I...., that •t iU ~ '4 u .. •wulbo• .... dt:llnry or l:kN D~•t. ll 19 •di •'ll•td. ot 'I.It• pnmllf .. abol'll can"'ftd. ... A ,rOOd, .IJlltt, Jl9lhd:, abl.Wte a.id Jadrtu.l!.1• °"'te al UW.rt~ ..._ hi•. hit .. J\r..ple, •M .i..tt. Sood 1rtrb\ :hU ,PO-hf .... t.""1l •11t'b.••1"lt;r "' VU>i krnl.a. Hll .....i ~-lll• HN• l<> ,,..,....~ .....i hrm all!rwMN, ud l:Mlt ~ ""'=" •• fru Md chllt Ina •Ii <>rtt1U •lid Mhrt lf"'llW. bu1r&!IU. ulu, lkM, Ian .. u...._t. &Dd .lnt1.:u1abnaets of wUtnw kmdl u t:u.Wrt '""r: ,: ! :: ._., ;~ : •· ·' ~lo, EXH1BIT"A" ,~~~ 10 lhAt certain Oceo,J., dined June 30, l997, from Fmo.ndal Land Investment CoTpOml.1011, u party Of the first part. and TBl Prod· ue1ion Company. Inc., as. party oftbe second part. TuWMhio 7 S<tµth.. llangc % ~2:~ S~tion ZS: SE4SW'1 Section 36: E2NW4, NE4SW4, S2NE4, N2SE4 Gilf{idd County, Colorado contalrting: 320 net surracc acrei, more or less, and 240 ni:I u1incml ;$<;i'C$, n\orc ot leu including, hut not limi1ed to, 1111 oil, g~u, and other hydrocubon sub:ttances, mi11cnds, surfnce fee estates, mineral fee es'latcs. reversion and rc'lc.nsions. remainder and remainders, rents, issues and profits thereof, oil, gas and mincnil luscs, right and inlerests attributable or allocable-to OW olt, gas iutd; mineral lca.5c5 by virtl!O of pooling. uniti1Alion, and commun.itiZlltioo agreements, surface leasc.'l, casements arul rights-of-wey inolud11d within or edjHl".nlf to these inlereals, li¢enscs., pcrmils, wnter rigbls. water wells and waler stock, including, without limilalion. Uwi i;crtain oorui easement n:KJVtd under 1hal certain Deed, dated Febn.wy 23. 1962, between Claude V. Haywatd and Nellie G. Haywa.rd, as pmics oflhe tint part, and Willlo.m G. Gau:s at1d Jmnes W. Dearing, as. panics oft.he sctond part. rccordcd in Book 339. o.1 P11gc 417 asdocumenl 21ti691 Qfthc Glll'ficlJ. Coun1.y Clorlt and R11cordCJ"'1 Office. Subjed tn! U. S. Palent reservations; easements-and. tights·of..wa.y of 11!Cord or in place or in use; and building and ltOlling regulatioflll. 111111111m11111111111H1111n1mm1111111111m !H01i.-1 9'111111111 04,DDP 1&129 PlU 4:Jit 2 of iii II U .19 D 3l.lll II I.Ml GARFIELD CLERK 280 Office of the Secretary of State PAO& l I, aoWMD ". l'lllllo, tlllCNflUIT Ot aun or '" HAH or DIUWAltl, DO HUH C:IEin '1'l'I autl'lFIClB or orf!i&Rlll:P, WBICB MZMIS: •irat Paot>UC!tCM COftl»ft'•, A DILUtlM COUOlll&t'lotf, Wf!'I AND tll'l'O •lfCll IJltOIJIM', IMC." UlfDIR Tl• RllCI or "'J'Cll' Baolnt, JlfC •• , A COUOMTlOM! ORGUl'llD :um UJl1!IWCI OICDI• na I.Ml& or ft'& ann GP Dll.UtUt&t .. JWCB:l:YILD .MID PJ£'1D llf ftlll Ol'l'ICI YD 'lll'llll'l'lr-l'OUllR DAT or -ovmn, a.11 ...... tt • O'CLOC'X A.II • .\1111 J DO 111111111' l'llll!ftlllP.. ClllltJn ftllT \'II Al'Ollltlla?D CORPOMTJDl'I 81ALL 81 8QVUlfSD 111' fta J.a... OJ' n1I •Q!t"B M DZLIWAAI • .\1111 I DO -l'OIWllU CllR:l1T ftU ftll lnllCT111S Daft or .... UONIUl> CUl'ltlC&tl or -n· ?I 'tll 'tlllllft-rooan DAf or tfOY'INltaA, &.D. i111. -.--·~ ! , ;. ·' .. ., HIGH MESA COMPRESSOR STATION Integrated Vegetation and Noxious Weed Management Plan Garfield County, Colorado Cover: Location of the High Mesa Compressm· Station. Prepared for: EnCana Oil & Gas (USA) Inc. Prepared by: Westwater Engineering 2516 Foresight Circle #1 Grand Junction, CO 81505 March 2011 The climate near Parachute is considered semi-arid with a wide range of temperatures and precipitation. According to data collected by the Grand Valley weather station (053508), the average annual precipitation in the region averages 13.5 inches, and average daily temperatures range from a high of about 93 degrees Fin the summer months to a low of about 12 degrees F during the winter months (WRCC 2011 ). 2.2 Soils Two soil types are found in the project area (NRCS 2011) as outlined in Table I. Potts Potts- Ildelfonso Complex Loam Loam, Clay Loam, Stony to Very Stony Loam Big sagebrush, Rabbitbrush, Western wheatgrass, Needle-and- 6 to 12 thread grass, Indian ricegrass, Bluebunch wheatgrass, Bottlebrush squirreltail Big sagebrush, Rabbitbrush, Antelope bitterbrush, Prairie junegrass, Western wheatgrass, 12 to 25 Indian ricegrass, Serviceberry, Needle-and-thread grass, Bluebunch wheatgrass, Bottlebrush squirreltail 99 I These soils formed in non-saline or slightly saline alluvium derived from basalt, sandstone, and shale. Areas with these soils are primarily used for grazing and wildlife habitat. 2.3 Terrain The project area lies south of the Colorado River near Una on U.S. Highway 6. Terrain at the site is a relatively flat mesa sloping north to the Colorado River. Elevation at the site is approximately 6,250 feet above sea level. 3.0 NOXIOUS WEEDS 3.1 Introduction to Noxious Weeds Noxious weeds are plants that are aggressive competitors with native plants when non-native to an area. Most have come from Europe or Asia, either accidentally or as ornamentals that have escaped. Once established in a new environment, they tend to spread quickly because the insects, diseases, and animals that normally control them are absent. Noxious weeds are spread by man, animals, water, and wind. Prime locations for the establishment of noxious weeds include roadsides, construction sites, areas that are overused by animals or humans, wetlands, and riparian corridors. Subsequent to soil disturbances, vegetation communities can be susceptible to infestations of invasive or exotic weed species. Vegetation removal and soil disturbance during construction can create optimal conditions for the establishment of invasive, WestWater Engineering Page 2 of9 March 2011 3.4 Prevention and Assessment of Noxious Weed Infestations Weed management is costly and heavy infestations may exceed the economic threshold for practical treatment. Prevention is especially valuable in the case of noxious weed management. Several simple practices should be employed to prevent most weed infestations. The following practices should be adopted for any activity to reduce the costs of noxious weed control through prevention. The practices include: • Prior to delivery to the site, equipment should be thoroughly cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds. • If working in sites with weed-seed contaminated soil, equipment should be cleaned of potentially seed-bearing soils and vegetative debris at the infested area prior to moving to uncontaminated terrain. • All maintenance vehicles should be regularly cleaned of soil. • Avoid driving vehicles through areas where weed infestations exist. Assessment of the existence and extent of noxious weeds for an area is essential for the development of an integrated weed management plan. This report provides an initial assessment of the occurrence of noxious weeds for the project area. In order to continue effective management of noxious weeds, further inventory and analysis is necessary to 1) determine the effectiveness of the past treatment strategies; 2) modify the treatment plan, if necessary; and 3) detect new infestations early, which would result in more economical treatments. 3.5 Treatment and Control of Noxious Weed Infestations Control methods for listed noxious weed species found in the project area are described in Table 2. Included in Table 2 are weed life cycle type and recommended control methods. Table 2. Listing status and control methods for noxious weeds observed in project area. Downy bromec (Cheatgrass) BRTE Annual Redstem filareec ERCI6 Annual (Stork's bill) * Superscript -Colorado State C list. Journey© provides pre-and post-emergence control of a variety of weeds including cheat grass. Journey may be used prior to planting desirable species on project area land at rates up to 32 ounces per acre per year. For best results in cheatgrass control, Journey© should be applied in late summer or fall before cheatgrass emerges and prior to planting desirable species, as it cannot be used after newly seeded desirable species have begun to emerge. Use a combination of seedbed tillage and herbicides. 3.6 Recommended Treatment Strategies Although downy brome is the only listed weed in the project area, the following treatment strategies are presented for reference. It is important to know whether the target is an annual, WestWater Engineering Page 4 of9 March 2011 3.7 Best Management Practices -Noxions Weeds Construction: The following practices should be adopted for any construction project to reduce the costs of noxious weed control and aid in prevention efforts. The practices include: • Top soil, where present, should be segregated from deeper soils and replaced as top soil on the final grade, a process known as live topsoil handling; • Wetland vegetation, if encountered, should be live handled like sod, temporarily watered if necessary, and placed over excavated sub-soil relative to the position from which the wetland sod was removed; • Cut-off collars should be placed on all wetland and stream crossings to prevent back washing or draining of important aquatic resources; • In all cases, temporary disturbance should be kept to an absolute minimum; • Equipment and materials handling should be done on established sites to reduce area and extent of soil compaction; • Disturbances should be immediately reseeded with the recommended mix in the re- vegetation section; • Topsoil stockpiles should be seeded with non-invasive sterile hybrid grasses, if stored longer than one growing season; • Prior to delivery to the site, equipment should be cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds; and • If working in sites with weed-seed contaminated soil, equipment should be cleaned of potentially seed-bearing soils and vegetative debris prior to moving to uncontaminated terrain. In areas with slope greater than three percent, imprinting of the seed bed is recommended. Imprinting can be in the form of dozer tracks or furrows perpendicular to the direction of slope. When utilizing hydro-seeding followed by mulching, imprinting should be done prior to seeding unless the mulch is to be crimped into the soil surface. If broadcast seeding and harrowing, imprinting should be done as part of the harrowing. Furrowing can be done by several methods, the most simple of which is to drill seed perpendicular to the direction of slope in a prepared bed. Other simple imprinting methods include deep hand raking and harrowing, always perpendicular to the direction of slope. Herbicides: Many of the listed noxious weed species in Colorado are susceptible to commercially available herbicides. Annual and biennial weeds are best controlled at the pre-bud stage after germination or in the spring of the second year. Selective herbicides are recommended to minimize damage to desirable grass species. Professionals or landowners using herbicides must use the concentration specified on the label of the container in hand. Herbicides generally do not work better at higher concentrations. Most herbicide failures observed by WWE are related to incomplete control caused by high concentrations killing top growth before the active ingredient can be transported to the roots through the nutrient translocation process. Most herbicide applications should use a surfactant, if directed on the herbicide label, or other adjuvant as called for on the herbicide label. Westwater Engineering Page 6 of9 March2011 Legend Proj eC1 DiSIUrbance Figure 1: EnCana Oil & Gas (USA) Inc. High Mes a Compressor Station Project Area & Weed Locations March 2011 ~stWater Engineering En\llron mental eo ~ se Mcc APPENDIX A Garfield County Noxious Weed List < , '•>$¢ci~ .·· .· •... •• ' ' ':, ' -:-, Species . Gro~h Life State ''A" State"B" Stat¢ "·<:::'' · , ,,J;l _, ' " ' . common nallle . Code Form' Historv~ List List List .. . · Acroptilon repens Russian knapweed ACRE3 F p x Ae1<ilovs cylindrica Jointed goatgrass AECY G A x Arctium minus Common (Lesser) ARMI2 F B x burdock Cardaria draba Hoary cress, Whitetop CADR F p x Carduus acanthoides Spiny plumeless thistle CAAC F B,WA x Carduus nutans Musk (Nodding CANU4 F B x plumeless) thistle Centaurea diffasa Diffuse knapweed CEDB F p x Centaurea maculosa Spotted knapweed CEMA4 F p x Centaurea solstitialis Yellow starthistle CES03 F A x Chrysanthemum Oxeye daisy CHLE80 F p x leucanthemum Cichorium intybus Chicory CIIN F p x Cirsiitm arvense Canada thistle CIAR4 F p x Cynoglossum officinale Houndstongue, CYOF F B x Gypsyflower Elaea1<nus anrmstifolia Russian olive ELAN T p x Euphorbia esula Leafy spurge EUES F p x Linaria dalmatica Dalmatian toadflax, LIDA F p x broad-leaved Linaria vul1<aris Yellow toadflax LIVU2 F p x Lythrum salicaria Purple loosestrife LYSA2 F p x Onopordum acanthium Scotch thistle ONAC F B x Tamarix parviflora Smallflower tamarisk TAPA4 T p x Tamarix ramosissima Salt cedar, Tamarisk TARA T p x I -Growth form: T = tree/shrub; F = forb/vme; G = grammo1d 2 -Life history: A = annual; B =biennial; P = perennial; WA = winter annual West Water Engineering Appendix A March 2011 Bill Riller, Jr., Governor James B. Martin, Executive Director Dedicated to protecting and Improving the health and environment of the people of Colorado 4300 Cherry Creek Dr. S. Denver, Colorado 80246-1530 Phone (303) 692-2000 TDD Line (303) 691-noo Loca.ted In Glendale, Colorado http:l/www.cdphe.state.co.us June 20, 2007 Laboratory Services Division 8100 Lowry Blvd. Denver, Colorado 80230-6928 (303) 692·3090 Ten-y C. Gosney, Envir. Coord. EnCana Oil & Gas (USA) Inc., 2717 County Road 215 Ste. I 00 Parachute, CO 81635 970/285-2687 RE: Final Permit, Colorado Discharge Pe1mit System -Stoimwater Ce1tification No: COR-038210 Local Contact: Dear Sir or Madam: South Parachute Area Garfield County Ten-y Gosney, Envir. Coordinator 970/309-8155 (',o]orado Department of Public Health and Environment Enclosed please find a copy of the new petmit and certification which have been re-issued to you under the Colorado Water Quality Control Act. Your old permit expires on June 30, 2007. This is a renewal to the permit, and replaces the old one. See page 2 of the Rationale (the pages in italics) for a summary of the changes to the permit. Your Certification under the permit requires that specific actions be pe1formed at designated times. You are legally obligated to comply with all terms and conditions of the permit. Please read the permit and ce1tification. If you have any questions please visit our website at : www.cdphe.state.co.us/wg/permitsunit/stormwater or contact Matt Czahor at (303) 692-3517. Sincerely, ·.·) / .... r-.··. . /': . i:/ i -· -_-·'.•·,··. I · I v' "'~ '-/""-'··· (.J Kathryn Dolan Stormwater Program Coordinator Permits Unit WATER QUALITY CONTROL DIVISION xc: Regional Council of Governments Local County Health Department District Engineer, Technical Services, WQCD Permit File · STATE OF COLOMDO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT WATER QUALITY CONTROL DIVJSION TELEPHONE: (303) 692-3500 CERTIFICATION TO DISCHARGE UNDER CDPS GENERAL PERMIT COR-030000 STORMWATER DISCHARGES ASSOCIATED WITH CONSTRUCTION Certification Nmnber COR038210 This Certification to Discharge specifically authorizes: EnCana Oil & Gas (USA) Inc. LEGAL CONT ACT: Terry C. Gosney, Envfr. Coord. EnCana Oil & Gas (USA) Inc. 2717 County Road 215 Ste. 100 Parachute, CO 81635 Phone# 9701285-2687 teny.gosney@encana.com LOCAL CONT ACT: Terry Gosney, Envir. Coordinator, Phone# 9701309-8155 terry.gosney@enctma.com During the Construction Activity: Gas/Oil Field Exploration and/or Development to discharge stormwater from the facility identified as South Parachute Area which is located at: ~ti See map in file. Garfield County, Co Latitude 39/25/39, Longitude 108/01/01 In Garfield County to: Dry Creek --Colorado River Anticipated Activity begins 03/01/2005 continuing through 12/31/2008 On 10,880 acres (400 acres disturbed) Certification is effective: 07/01/2007 Certification Expires: 06/30/2012 Annual Fee: $245.00 (DO NOT PAY NOW -A prorated bill will be sent shortly.) Pagel of22 This page left blank intentionally. VOLUMES 5, 152 295 CUT FILL CY CY '~----.J--- 1 I IN f"£El I I INCH. 20 P Ui>TING G~I UN[ "">TING CONTOUR = ==== PROP~OCG >.<AJOf< <;O!HO'JP Pno1'0SED •;•;coR rnrnuu·i --x--PRGP~>£~ 'ENCE ~···----·-BUILDING'* ,;rnu;HJni' ' - -' ' ' ------- \'. DATE ---.;.· '"'~" '" '5•1od 11~· ,.-·r;~ ""''"'" rler•'" ·\~0 "" ·.C';"" •I' REVISIONS __QESCRIPTION \ _I ./ ;, --r \ \2JJJ" ~ cf31~~~'~!~'( 744 Ho<il0'1 Cou~. Suit• 110 Grarid Junction, Co. 81506 Ph0<1e: 970.241 -4722 Fa:<: 97D.2'11.BB41 -· ---- ENCANA OIL & GAS INC. High Meso Compressor Station Expansion Site And Grading Pion PROJECT l086-025 SCALE OAT!: ISSUEO: 02.IS.ll DRA\\N BY: HORl2: 1·~20· Cf!ECKEO BY: mj< YE;RT: II/A SHEET NO. 1 OF ~ SHEETS I \1 I\ J, \ \_ -'---- 15" Culver! --------------/; }' _____ ,--,--,--,- --------11 -I __,------__ , ~ -\ f v, ' ' I ', ,:. I ,-,1,, ,, I 1,, \--;;::, \ '"' 1 1 :~~/1 /' Ir i 1_,-./.v{-'r'-:___:.c;, ~Bwn ' "--/7,/:::0 "''\~tock {/i/r::_°:/1 _ ;_~f;Jot;~'.:--Jz1-"::'--/ ,, '-::---- ; ' ' I '· ~'~~\~_ ~ :=-- ~/--- -C---- ~ -------- --· REVISIONS DESCRIPTION ' ' ' ' '--- ' ' \ \ )---- ' v \ ,,.\.---/ y ~vlodci Input & Results rl ------· ------ ---Bus.-,-~,-,-,,-,,-,-, -e,'1-_c'c~-.--.,-.-,c"c'_''_".:..::.:..::,c_lic, -1.-,-,-, -,---,,-,,-,-,-,,.J1 '' ''"' --~0 LIHE f· -· -,-0 .,,H .. JF ,_,,., ·'---{ -----~H-r· :rn ·n._.,_,~ •>--:•OC~ t.:i::•:.~ "1T•)"'" ---X--CU• Cfl ~RIVERCITY ~CONSULTANTS 744 Horizon Court. Su•le \ 10 Gr.rnd Junction. Co_ 81506 Phone· 970.241.4722 Fax: 970.241.8841 Ill F[[1 ;H ' CC ENCANA OIL & GAS INC. High Mesa Corripressor Stolion Expansion DRAINAGE BASIN MAP PROJECT JOa6-025 SCALE [}AT[ ISSUED: 02.16,\I DRA""' BY: HORIZ: 1'"~Jo' CHECK£0 !<Y: m/o< VERT· N/A SHEET NO. 1 OF 4 SHEETS 3 ·. < ;' ;f;';;-. .1",,,'/1 (,/'- ':~:;~~s~,g)f f:.f3~ "'""" ,~.•"'' \ / (-\, L IJ ~1/I =-c:: v \___~/ I \ -'---' Cl! T FI LL '.J,152 ,-) (1 t=, LJ'-----'1 -~:J ••• ' =-' -'111111~,--I __ _ i :~J --f:_ c T I \IC:H -:,.- ,-> 1 ·_::TI\ t 1-_ 1.1·.-; 11,\1, ~;er~ r 1JLJK i'.'l~·.11.\C _, '"- ----x--- 1\.-:, TE::- 1-~c -<:.-·1·J1-::; c::-1_ l~)[-;:·::;F(•l_l:\J[) .! -Ii S '': "_;· 1'.l·ii~; I ·I·> ")\ ,,\:;, 81\SI I: ()~, v·1:_; :1L:: ['.'IDE~-CE :-r:;·c·t·,1 Al:UVI Ch;~·:,1\I) : ~·.1 r .I-(-,, \'.,'.-.1·> k<~-_:: ::J-c T-:::: 11::s'"~-111.'' Ulll_ll'{ c:.lMl-').,~ .. I <;:. I 1; LJC'-'TDR :;EF"./CES, ::.~~[) :k~\·\'l~JC'-'. I-':< ,. j !' -:: _ITI_ -_, ·-~<'\.1f'1\~-I-,,:;-rx:J>·i,\i-.:_-:\'~ ','·iF~·:: lilA':1:: Id' n--1·_; '_-:u!~'-/f_'i' ~.J DET[Rt.~11~:: TrF :::<1\(:'°I •·1";.1:1;.,\:, ,'.l\['"' I· '\f IH-__ .r,~\:_r:;·c,:;o::::1~\L~ _-i_l-1[':_; ;.··J::; c;.-RUCTl_.t<::::S ,:.c1_;:, LC~:A'l:'"lr.; ,:.\'{ V/'.RY SLIGf-T:_•' ~-P:JIJ 1 "1·.:~.t-'-_t-<'·;;"< ,\,',':, />.C:·>TCrJ;..·_ J\Ct::~·~.RCUldL1 ,ITLl-1'.:'.3 l·;·".T '.:\'l'.::T_ c~1sT::\.t,::[ ,:.~,[, _OC:'..TIO~dS ·~;~-.'._[_[_ I··,[[;·~-;-:·.,;·,[: I,, I' I < ;,\ "':1 ::1F1.c-JF·::::~" :.·.r"":,.LJ :;,:--...... ::::r~ ::t_·) ;,;:; Cf'·' -,=, f,~JY CD'd'~ :FUC"'IC:•J 01\ lH·S "'<.::!-·[:\-., ··I.fl,'.-. r,_1~-... -'( r., ')I.'"..' .. ; ICIJ '.l-.1:.,LUUf~(_: LX'~ll~Y_; ·._11_1 1 1·;_,) l'l~U'/_)LL; J"' 1·.,.;·.")..L. •..:11 :..;Ul\\i[YIF;, l~C ',. ·~1·.J.'.-_ [.-;>»,·/-'l>IG: /t i:;, 2-i"'x.;6" I nvs1· lri l~evi lt:" :;f...I (;u ve 1·t cn:-ilh -f.D '~e:t l,1•;t-;-· 0.1 ",g4q ,' _,,.-.,:__-/ --·~ ---~ ·--"' REVISIONS NO. DA1E DESCRIPTION \ / BY \ I ' ') ~ 7 7' ,_.} .J ~RIVERCITY CONSULTANTS 744 Horizon Court, Suite 110 Grand Junction, Ca. 81506 Phone: 970.241.4722 Fax: 970.241.8841 ENCANA OIL & GAS INC. High Mesa Compressor Stoticn Exponsicr Site .Anc G1-ocli11g Pl:::n PROJECT 1086-025 SCALE DATE ISSUED: 02.16.11 DRAWN BY: nmr HORIZ: 1"=20' >-------------j CHECKED BY: mjk VERT: N/A SHEET NO. 1 OF 4 SHEETS 1 --~~~--. --~ -C}---C- -- --PE,' ,-- 1 I '---~/ ;J :1_·.•1 Lf= C~E~J[) r.stc lation detoi s Jnd 111ui-\enonce ')Urde'ines t::::r the above erosion c::ntrol measures can be four1c ,-1 "-.ppcn-:::rx E c( the Encano Mos_c:r Stnrrnwn-F,-Mancge1ent l'lan r~or_th P-Jrachut.e J1it, CJ:)T , sl_crHJ:Jr<.Cs on CenvF.-'-; Urban )rcinoge ·Jnd Flood Control Dislcic\ w!:'Lso:e, o-d vor1011<; ma-ulnr:t .r.-s .,,·ebsr'.es '·,·cri·Ji uns froff1 ·he:::e standards si-1011 be apJrcved :·y t~e GSWM::> Adrn.nis\rc~c.:-r prior \o iristollotio1 This i :,,\ i,, nc·· rnnsirle-ed cr-;mplete or at-solute. •Jddition::I 'Tle\hods can on:: should Je C•Jdc:: to tn s pion if requir =d. Th s C'.:.WUP srou d I"·~ kept current and mo::itied appro:·r otely :·y ti-re c::;·N\.~P .Ll.,·.minis·rc:or based on octL..cl field conditions and the Cor ·or.tor's mecns and mf'thods. -- CHECK O/\M ___ , _____ _ ccr~~ ~UCTIDN FENCE (CMI C'.:i FILTER BER~I CUL1.'ERT INI -'1-~CTE:::TION CC:~SIR·J ::::TIO'! Iv' A.RKER CLLVERT JJTLET PRC,Tr'.":TlO~J :='.C•f\.C::.TRl!\.liUN :OllE BOUN[)A:;:Y ccr-JCRETE Wl1SHOUT AR::;. --08 EROS:OI\ CONTRC·L ELANK::T -SUB--we- t.XISTl\J::; VEGETATIVE BUFFER --- -I ~--------' 1:.Xl::.ll'JC \IEG::TATIVE SWflLE Fi·_ l':_R \Jl..l'I•: --->--;o-- HY:JF;AULIC f.JJLCH l·J1'1.TERl.C.l. S"'.OF'A~E ARFA F\EINr Ol~Cf.l) CHECK Cfl~J RUN O~~ JIVE:ZSION ]ITCH --,~--"E-- RETErJ~ ON PONJ RIP:/ t:..P /RCCK -l<IT_--'llTL RRB FJ'< CUL v'ERT PROTCCTl\.N ROP.C SIDE DITCH REv'EGETATION SLASH S:CDIME~JT BAS·N SECIMENT CONT,ROL LOG/WADD_E SIL I !-'ENCE SURF/IC'.:: HARD:'.:~.'ING ;::EE::1:r-JG AND ~llULCHING sr-JOW STORP..GE t..R'EA SCIL SI_ T BERM SEDIMENT TRAP SUBS:) L STOCK:'.>ILE TOILE-S (PORTAB_E) TOPS:) L :::rocr<PIL'.: TEMPORARl SLOPE DR".IN TEMPORARl ST:;:EJ'.M CROSSING TOPSOIL WNDRQIV MTH TIJPf:flARY H'!TCRAULIC Ef/OSI()!>, lUN l~Ol MULCH VC:HICLE TRACKIN:: COtJTROL VEHICLE EQLIPMENT & MAINTENANCE WATCR OAR WASTE MANAGE!J,[NT 21r!AW WATTLE VTC WITH WHEEL WASH ROC:< AJJD RIPRAP CR ti.DA-Ot-JS 1 _r·.·j~,:~ 1·~ ,,,-~illy.,., \-1in FJrc.cl # 74.06.::610004·::, which 1s ownc~d by Encana. Ir mono legal terms, it is loc:J'.ed in East. )-2 Ne>rth·11est 11.i end Soulhwe;;t !;\ N·Jrlf1t>a~t ;;, Section .30, Tow'lsh'p 7 Soi.,ti', Range 96 """'' l"e t.i1 pc:,.ci_:.:I 'VluiJ:.~n. Gorf•e<"i C:ounty, Colorad,J. The :ot::I acreage ct the prop:::sed Cc·mpcesscr Station Pad is approxincitely 1 acre. The eslimated lolol ureu uf :J1;;lurliurKe i,;, 1.2 ccrE's. 1'~' .. o'd r·.~ :o 1i-1e r':RCS "'Sb site, tlilC ur)per lnyPr ot soil present at the proJect site consists of lld::::lon~o stony loam, t\ihill cha~ine-1 cam, Potts loan:, and Potts-Ildefonso complex, These suil:o hove w~1ule ;:;oil k 11,ctv·s rr:r,qin~ •rem J."5 to O ;;8_ 4:.:co1Ji11y tc· these k vnlue~ th.c S·"'ils at ths site are mildly to r;oder-:::tely e-osivc. ::,1,,:-rr··,,·,,;t.cr rror-lilis s '.e wi 1 ::::·e jis::::harged frorT1 the s'te thro~9h a series ::if exrst1ng end prop'.lsed sediment basins ard ditches. Drainage for the pad 1s fror-1 the cost to the west. A diversion ditc'"1 will be c,"J·-,s\ru·ct,:;~ to ·:1»cr\ all off-si:e runcif aro.:nd tre site ;1-,e ;o,:c;i\· ns :icnj; :f wcte' s f·ete and Bill Creek, which L.ltirnately drains tc· the Colcrado Riv>sr (""2.3 rnlles dowr1slr\Oor·1 of the sile). ~' :::ens true· on Jcriv1t'j will con;, sl L>, ir, \he F:.ll:o·<1ir,g order. esta:·lishment of pe'1mete-stormwatcr BMPs, site c eari'lg, topsoil ~cmovol anc s:ockpiling, overall grading of the pad, <;rading fc·r the ind •1idual ::iu,iJi'lc;/c-ul~·no-·. pads, ·Jccess ro:::d installolio11, L·uil.::inc;/eqi.,ipn·ent :::iod/foundotion r.orstruction, ul'lity & e'l1Jir-ienl ins:cllotions. building construct1cn, and tinal seec1ni;;. lntcrmcciote stormw:::ter BMPs wil be inslul''='-1 , 11<1 1r·1oi<>l1_.irn-d \",Ti·Jghcut ccnslruct;on as required by the Contrac~cr's mecns and met'~ods. c !he pr,rncr 1 ~or·1tO"T'1nan1 of ::;ori:.:e·n for this site 15 serliment. -·,e '.'lroposec erosion centrals hove been selected and placed :·::> rn1t:gatc the pater: al 'or sediment :ra1sport from the site. _:<isling ·,·e;ielot1:,n on the s :c consists prir-1orily o' hi:jh desert veqetaticn ·:sur:ioo 1 ruUbit bcush, jun;per, etc.). U1disturbej portions of the site Jre approximately 703 vegetoted ·'1 11"' Rutio-n. ~·~c>lhod 2 nnr' 1i;O 'teor rur.cit c::·cff1c1er:s for this site ore 0.42 for un::eveloped areas and 0.55 fer developed concitions '1-r)r--:,1 1 ::; l'kC\'1::fD fJ Al--'l--'tf;i..:1x E OF THE t:i'JCt;\IA ~JASTER STORMWATER lvlANAGEME~~T PLAN SOUTf--: PARACHUTE lj\j T CD:;: 03210 (REVISED ,1ur~E 2009). THE REQUIREMEf~TS STti.TE) IN THE :::NC ANA \1ASTER _,:.c, 'S--1:~LL ·:~·;c:r;i,:;·i_ L::: ;..\ i' r;:;.\Fl CTl'I'.; i~LOU ,EME~~TS STP.TE) BE_CW. ,'..,',J-' r·.-;,:.,c;:·,1· ~."jALL ~:[ C\~~\IJ1 __ 11:f!::J 1~1 SUCI-' A 1.1A'IN:::R TC E•FECTIVELY REDJCE ACCELER'1TED SOI_ E;;;>Q~.ION A\JJ RESLIL~f\.G SECIME\JTATll)~ :._1 -r-;~~JI:-.• -;,1;..L__ BE ~·ESGrJC:D. COr.1s·;i;·1.t:I: 1:1 A~JD CCIJPU:TEO 10 \11Nl~,'1IZE THE SIZE ANO C1l,Rr\TON OF EXPOSED (U~JVEGETATED) t,RE1\. :-,t-_lJlt:tr">I-CMl_3'.:: 5Y ,\CCE~E?ATED SOIL EROSOi\ SHA,\ 0[ l.A"TURED A~-JD \_!JIJVtU I-ROM RJNOFF W.l\TER l'RIOR ru LEAVll\G IH::: SITE ,, ,,, Ti::l;.-<:,..;t.'<V 0'~ ~C:f\l\1k~,ENT FA.CILITY CESICNED ANC C:O~JSTRUC-[0 ror-T II CO~J\IEYANCE. Cl-vVAll:.1-1 ,'1.f-iOl,'l>D, Tf-RCUGH, 0--1 1-"R~JM IH!: GRAUl:.J AREA SHALL Cl:. DESICNE=.> TO Ll~11T Tf-E WAT:::R FLO\~ TO A ~J.~1 .--Lf\,):·i'/E c[LCCIT~ l\1-':.._."';\~'/ ·::CJll_ r,:;:JSIOr·, C.J\ITROL FAC LITIES SHALL 3E REMJ\1ED AND AREAS GRAD::D AND STABILIZED WITH PERMAl\EtJT 5CIL EROSION '.::ONTROL tJFAS,J~ES. ,,,;,, l[tCIA_ s rcc~<PILE3 SHALL 8::: ocr:;1v11n AROJ\IJ IHl:.IR P::KIMI:_ ll:.R IU P~E'vENT RUNOFF PO_LUTION. -·_: .. ·.::.:::: \"i, cu_-:=, Sl~T F'El\CE t..ND/CR BERtvl AT THE TOE OF SLOPES. ,:,!\,! ,,\_.T .:,.::.'IL-/\ND TOF'SOIL '10 THE REQUIRE~!EtJT'.';. AS STATED 'I\ THE GEOTECHNICAL RECOMMENDATIONS A.l\C FINISH GRADE TO ELEv'ATIONS SHOW~J ON -H:: SITE PLAN. ELIMINATE At~Y _cw SPOTS f'(IOR TC 11\AL .:. :.:-,:,;Tt,ACT1-:j\ Sri/, ,A,\11 A W.A.Tf:.-1 11-!UC·< t!.~.OE f,'y'/\IL.l\ELE TO /\SSIST IN cor~TROLLlr-JG MOISTURE CONTC:I\ T A\IJ DUST AND WIND EROSION. :;.=11L:_, i"H.'...T \'·."LL ::.:=:: STOCKPl_ED FOR 1.1::i:;:E ---14\J T--11f;;TV (3D) DAYS SHAL_ BC: SEEDED AND MlJI c1:rn WTHIN FOURTEEN (14) DAYS or STOCKrlL_[ CO\JSTRlH-:TION. \JJ SIOCKPILES SH,<l,,LL BE PLACC:O WIT~ltJ U"I:. I li\l_1-::rD 1 CO) :-rrT or A [)~Al'l.l',l_:t. WAV 1_1\LESS ;,p~RO"v'ED BY THE CSW~1~ ADMINISTRATOR. t< THE :.'LfJ·"l f;C Df CCrJCR[T[ J[Ll\JFRl TRUC-<'. CHU lt.S .~ RESTRICI!:) TO .;PF-ROVED CONCRETE 'N!\SH OUT LOC4TIONS er~ Ti-'E JOE STE T--1E OISCrP.RGE OF WATER CO\JTAINING WASTE CONCRETE TO THE STOR\1 Srs-::101 ··-= PF,·GHlt~ n:J ALL cor.JC;;;>f:TF WA.STE SllALL UL PRJ-'ll~LY CLLANED \.;I' ANO DIS"JSED AT A~J ,l\PPRCPRlt-TE LOCATION. ,.:.11 ;"f~:_;:_, Ui.:.. l'J;;:t]l_L '::lY vL'I"<':::. RJ1.::.T10~l ''.CTl\/ITES SHALL BE REV:::GETl\.TED W1TH .IJ. CERTIFIED WEED-FREE NATI'/[ SEED MIX AFPROPRIP..TE FOR Sl~E SOILS fl.ND CONO TIONS. THESE AREAS SHALL BE MAl~JT41r~ED Ir·, I\/: '.:':'.•\,'ER Q;,' AT LFAST 7c,% ()f f-'Rl:.-CO~JSTRlJC 1urJ CONDITl:J\JS [;>:1s-s IF NECESSARY, ADDITIONAL SEED. f.1ULCH, .IJ.N[;/OR FER-ILIZER ShOL,LD BE AP~u:::c-TJ ESTti.ELISH s.;1c VEGE~f\TIYE cov:::R . . \LL l_i?< ;I-.:·:.·,1~·1,,L k~[,'.,,';Ll~l'-) SHOlJl:~1 llt l.',.;'.)f-'ll,lt._1 10 ['[-ill\~ll~Jl If r,·tf-'Alk';_, Of.: ::EDl\\ENT '?E~/OVAL I~ \Jt.Ct'.:i::.,fl.RY. THE MAXIMUM TIME BETWEEN INSl'C::CTION'.:· SH,C.,LL EE 7 DAYS L~ ' __ I :'·I\ 11--'()L f.~::-;>._',Jl<C'::> Af;'E AL 5C l:J BE ,r~SPECTr~, WIT--11f\. 24 HI.URS n-A ~TOR\1 THAT rRODUCES RlJNOrl, :II<' M(J)IRATE :C.NCW MELT. ,'[_f'.,I 1;1: rJ','.\ \~All()~J'.-, TU THt: ::;;;cs1o~J ccr-JT'{J_ MEl1Sl_RES SH1\L_ BE COMPLETED IMMEOIATE~Y-FEPAIRS At~D MJJ:FICATIONS SHALL BE DJCUM':::r~TED (WH.t.,T, wHv, & Wf-E~J). '1~ 1 .\;·..;" ,: IJ \1[i\J-Sn,C,l_L [-3[ KE~~C'./E ") 1f' ThERE 13 A R SK J::-SECIMENT 8':'PA3Sl~JG Tfj[ CROSll)N CONTf<·C)[_ CEATURE 3PECl-ICALLY SECIM[NT OlJILDUP '11-A.LL NOT [XC[[D 5 INCHFS ON Sii T FENCi:., 1/3 THE 1,·;1-·I (,I-.:,r,y 1~~1c,-K DAM J~ Glii;,,1 '.1r~1_:LuU.f\.1:: l\J_ET PROTEC~CiN), OR WHEN SEJIMEN";" WITHIN 1\ SEDIME'JT BASf\ GETS WITHIN i5 INCHES OF THE OUTLET l\IVERT ..... ,1,·· r-t: 1~1.J~'·=c,r.~; HE,;'3l,RES ARE TC 01 Rl~1()\rD, ANY Sii T Al\!; St:Dl~/ENT DEPOS1:s SHALL l:JI:. kl:.M:.JVED A'lJ SPR:CA.C EVENLY l"J CPE.~J Akl:.A':;. AND SEEDl:.D .~.':;; Nl:_1_:1:.s'::.A~Y. -"C,'/,',\I;' ;.1J:,1;r.<'STl~AT()f\ ;10CAI cor.llACI): l<A HY l\f_OH (97:J) 285--2626. fH[ -:,c·~SfF::_,:TiON si-:: BOU~JOARY" IS IOlJAL -o THE lOIAL A~EA OF DISTU~HANC:., IHE ESTIMATED TCTAL ARl:.A UI-L:IS"IL'R8fl.NCE IS 1.2 ACRES 3 ;,T l-.L:.. ll~![S DURiC>.JG CCrJS~RLCTIJN, EROSICN A~J) SCD MtNT COt~mo_ Sl-IA .. L RF: l.iAll\ TAiN=c BY THI:. CONIRA:--:TOR 4 _l\C'.,;,1 J~J i__;(,'·JTRJ'_ MtA::iUhES SHAL_ BE l~~STALLED .~s -..,E WORK 1'.GRAOlrJG: PRJ'.;RESSES. :-, 11 IA I:; :,1 .. :_·'iif\. Alil ~:Cllt\1Al1C 0\1_'(. ADJUSH~EN~S f.'lil.Y B::: ~JECESS/1Rl .,..0 FIT ACTLAL FIE'_D CONCl-ONS. •.) \::G;,TI\·[ ~l:OACTS TO JO'tiNSTREA\l AREAS (O~ REC'::ll/l\J:-:, WP.TERS) CAUSEr1 RY THF 0 1JFR .CT GRADING ANO/OR \:Dl\STR,J:--:TION TO RF MONITORED P..ND ~~ORK[CTEC E3 Y -__,,:: CO~<~R.l\CTOR. lrlf_-::-1r.;sT or"1~" TO B:: INST,~l.LED DI\ THE SITE SrALL BE COr-JS-RL'CTIJN FE\JCE, \1AR«ERS, OR OTHER A:'.>;:lRO'v'ED MEArJS '.)F DEFINING THE LIMITS OF '.._.Jf, '~· kLF;; U\. ,'-', \t..Tl.IRMI ··,-l:_G:.l.1\TICr~ SHA_L l:Jt ...:ETA1NED A~JJ PROTC:CTED WHERE'vER FCSSIBLE. EXPJSURE J:C SOL TO EROSION BY REMO•/A.L JR OISTUR3ANCE OF \''::G' r.~.ITl'\J SllAI I ~c I f,11TFD -o !Ill A.l~t.A !-<'[QUIRED FOR IMMEO'P.TE CCNSTRl_CTION OPERt,TIONS. '.J /,_L 1_:or,.s-:;:1 _ _1 1=r10\I TRAFF"IC tJ;_ST ENTEF<'/EXIT TrE s TE THROU::H THE SWt,1P-4PPROVED ACCESS POINT 1:· 11-l ~\~·\>\-·=.,:·JS :)F _l.\DE:;:C-RC·'.Jr~D JTILITIES AS SHOWN HEREON t..RE BASED O'J \;ISBL:: EVIDENCE FROM A.ECVE GROUND STRUCTLRES MARKINGS Bv THE -,l'.Cf-.~,--·11-.·:::: 1JTI_ [" .:_JJ~AP,\f;:[':_; "'r~O/OR TH!'"1:;· IOC'1,JQR SlRYlCFS, Al\'C DRAWINGS f--''"\Uv'l[)[_J BY THE l~TILITl COMF'ANltS. NU lXCAVP.llONS Wt.1-?t t!ADE -i1_11:1·.J:·~ -f-·l'c 'CllR\I r -,~ OE-ERf...111'Ji: EXACT LC:•:~ATll)NC: ANrJ l.·IPT--1S OF IH~ntR~ROl:!~li lJTll_1Tl:::S AND Sl~JCllJRrS AC:Tl.i'll I 01,AT:Or~S MAY VARY SLIGHT_Y l·J\J ·11,::_:-~[ S·l(,.,.._,~J n::FEOl'J .;NO ilDDlllO~JAL.. U~JDERGROU~JD UTILl~ES ll.1AY EXIS-EXISTE\l'.":t ANrJ I 0\,ATIONS OF 4LL UNCERGROUND .JTILITI:::S Ar.IJ q,1_,'.::~v;;-:::::=. ~~11;)Uc.-:' BE ·,·ERl'-IE=: PRIQ:;· -;-o l'.ll\Y CO\ISTRUCTIO~J 0\1 THIS PROPERTv ;:1-;1·tJ1~ .,f y l'.f'"('1f-\r::..11:i\J ( 1-JCi..'J~!r~G LXl':_,lll\;() JTILITES) 1'1-i'.Jl/IDE) BY WAS.A.TCH SURVEYING, NC, • ',,,_ ) ',•,·/II\<,-, -il I::. 2L'°>::6' NO. DATE I i ,'river -, ei-.<Jll-~ F)() ·eet lr·v<Cr I t"i1d !'.'.l·Fl .:-,, \ \ \ \ \ \ \ \ \ I I I TCPSOIL Wlr"o:o;ow DURINC ccr"STRUCTION REVISIONS DESCRIPTION BY ,,../,...,.------------------........._-............_-....... r SEED AND MJLCH Wl~CR\.W / -------"-.......~ I /~°"-TO BE USED / -..___ -..___--.___ ON NEW SLOPES / TOP~Oll --..........._ (TO RE~1AIN) __ ~_~..c~~-------- TOPSOIL WINDROW IJU"(l~JG Rt:CLAl0ATION ~ ,~1::~~,C?!~ \ 1 :: 'Ill• I •11191'Uil!llllill1il5P-~·1ii1rt· 11\·\:r cor, T:-::,'.JR "1 l~h', ,:,1 ENCANA OIL & GAS INC. High ~11esu Compressoc Stction Exponsio11 c.ros10'° Control Plo·1 11 re-Co1stru cl ior, f T I '\t· I ,} " ' 744 Horizon Court, Suite 11 J Grand Junction, Co. 81506 Phone: 970.241.4722 PROJECT 1086-025 SCALE DATE ISSUED: 03/21/11 Fax: 970.241.8841 DRAWN BY: CHECKED BY: nmr mjk HORIZ: 1"~20· VERT: N/A SHEET NO. OF 3 SHEETS 2 ----<B-- -('"·--2LI- -- 'I , _______ ,~,·-- B ~v1 P lrrstoll,:tio11 c:~toi:s nnd -naintenancc gcJidelines f::ir t'le o:,ove erosio· coflr_·ol rneosur·::s con be fo Jnd in Apperidi~. E ci the [nccno fv1::isler Storm"'::i·.er Monagement Plar North Po'a:::hute Unit, CO:)T , sto-dards, on Cenver's Urbo'1 Droinoge and Flocd C:.inlrol District website, and varic;us man11focture s we:isites_ Vnri<"lt nn5 trorn these ston:::ords sholl be cpproved by :ne CSW~~p A'J111ir1islrotcr prior to inslallcl..on. This list is no: con~id~rfd complete or absolute, oddi\ionol metnods con onc· shoul·j be od•jed :.:-this plcin if required_ This CS\'yVF s"lrnilc be kept cur-re-,: and modified app-opr ately by the CS'·NMP Ad .... ini~trator based on och:ol f'eld conditions and the Cor,Lro::tor's rr ear1s c.r1d m~thods P.f-.tJ-OREO STRAW BAL:: ----------CHECK ['.C\NI CCt.IFOST [LANK!:. I --"--SL-- CCMi=-OST FILTER 3ERtJ (~ CULVER-INI IT PROllCllON CCNS-~U·2TIO~J \1ARKER l:lJI v::RT OJTLET PRo-:;:CTIJN CUl\1 :;TRJCTION STE 30UND~.RY CUi~CRETE WASHOU-fl.REA DEWA-IRING _,, __ ,"_ EROS10r~ co~~-:-~o-BLANKET -';;UIO--SUB- cx1:,11\J·:::; 'JEGET/\TIVE BUFFER -, l_--~-----1 EX STINC. 'JEG:::TATI\1[ SWAI f- F'L i"ER BE"l,lvl I IYDl~AULIC \1ULCH _EVEL S?READER MflTE~ .~L STORAGE A~EA REINFCRC[~I Cl·f-_CK IJA\1 ROPE FENCE RlnJ O~J Dl\T~~,c~ UI lt.:1--"--we-- R PRti.P/ROCr( -WTL --\\'TL- RE NFCRCE·:i RGCK BERf..1 :~1.;i_: roR CU_Vl"T PROTlCTION RCtiD Sl)E DITCH R::VEGET A TIOtJ SLA.SH SfC81MFN I DA'.3H~ SEDIMEN-CONTRCL LOG/WADCL:O :.::.IL T FEr-cr SEEDING AND MULC--1:1\G SNOW ST::JRAGE 1~.REA <:;(JIL Sii T RFR,1.1 SEDlfv!ENT TRAP SUBSOIL STOCKPIL:: TOILETS (POf;:TABLE) TEMPORr\RY SLCFE DRAIN TEIJFORARY STREAfJ CROSSING TOr'.AllL Wl~<DR-JW WITH TEMPO~ARY HYDRAULIC EROSION CONTROL MUI CH VEHICLE EQUIPM::NT & MAIN-::NANCE WASTE M/lr\AGEMENT STRAW WA -TLE VTC WITH W--1 ::EL VVASH ROCK /1r~D RIPRAP GR,~CATIO\IS -r.~ 1,ro.e:-i~ ._,,.!1u' / wi ,. =>,_;·,_t>I # '.)L.')f,J61C0046, which 1~ o~med by C::ncono. In :-ncrc legal terms, it is loco:ed in Eo~t_ ('l N:::·rtt-1west ~ on::J Sa:Jt1west )4 No,thecst )4 Sec..lion ,36, Township 7 So..Jlt", Ro19e 9E ,',rc,' _,f ·r,~ b\t' -'r1nc1Ja1 \1er1C1or·, Go-field Ccunty, Colcrodo_ The tct·1I acre;age ot tr,e pro:Josed Compressor Stat10-Pad is approximately 1 acre. The estimated total area of distu-b:::nce is ·.2 oc-es. Ac c·rCi'·; :o \1<::' r,RCS web site. the up::;er l:::iyer ol suil 1-1resent ut the project sjt.e consists of llde'rinso stony l:1nm, Nihill chonnery l:::oom, 'cc·ts loom. o-·d Potts Ildefonso comple<. These soils have whole soil k r_i._-r,_"-~ rcnsin·' from D_·::; l_c U.2E. 1\cccrdin; to these k values t~1e scils at this site are rnilJly le n1ucerutely wush:e. ')tr;,rr-i·;;ulu ,,_,rTi thi"'-"':e w'i1 1 b.o di~charaed '.-om the s'1tc ti-rough a ser"1es of existing and proposed sedime1t bos'ns and ditches. Drainage for the poJ i!; lr•Jm Lhe ecsl lo lhe wi:~l. A di•e·-sion ditch v..ill bP. ·:C.''~1.-__ c\ea :::1 J-,·erl vi ')ff-site r_,nc;ifl a",-ound :re site. Irie: ,-c:c1,,1 n.~ Lo:y ·:·1 wuler is Pe:e on::J Bill Creek, whic.:h ullimcl'°ly Jroi--,s to :--,e Colorocio River (c~/ .-.. miles rlownstrenm nf '.he site). c,~ 1~L·-,,,:ti,J11-Jr'i,,it_y ,,,i: ronsi-;t of. in the 'cllow1ng order: e~tcblishment of :·erimeter stormwater EMP;, site cleorinc;, topscil removal end stockpil'nq, cvercll craJirg of ~he pod, ::irodi-,c; for the individuo! '.)1_.1 d1"1:;/e1L·1prr1ent pc'js, ::.cc6ss read ins:u lutiun, lJ1,ild ng/equipment pad/loundo\10-construction. ut1'1ty & equipment '1nstallat1cns, bu1id1-g ccnstruct'1cn, and final seedhg. 1.~,termediate stormwotcr BMPs will be ,r's'.,J i>ec '-'"'-:·i.J.rtoined ~hr<,L ghout ~0nstruct1on os require 0j by the Controcto-'s means and me th eds. ~· Tile-~,r:,--.-,or·y cu~:c·1T1iran1_ of ccnce<n for Lhi~ site i:; sedi-nent_ lhe rroposed ~rosion controls ha.,-c been selected a-d p.oce: to m ligate th:: potcn\101 ':·r sediment trcns~·Ort from the site. [<\lir"] 1e0·~I : on :•n the site co-si~ts p-i11arily of higr desert vegetuliun (sage, rubbil brush, juniper, etc) J-disl_r!:::·ed ::.or'.ions ol the :;ite ore cppro~imate y 70% veget::ited. :J ~r,-o> ~~.1·,·r1<JI f,i<O"thod 2 a.-d 100 year r~1notf cc:effi~,ients tcr this s1:e ore: U.4i for undc~·eJoped ore:is one 0.55 'or developec cond"1t'10.~s. ]fv'P DE'"Al._S _),;'D\-'10[0 ii\. APPE\JQ :< E OF' -HE E~~CANA MASTER "iTORMWt; TER \1ANAGEM::NT 1--'L . .!l,f-. sou IH _)ARAC'-IJ !E UNIT COR OJ,:10 (REVISlJ JUNE L009)_ Tl 1r RECIUIREMlNTS s-ATED Ir. THE lNCAr~A MAS' ER ;,r, ::11/:..L:_ ::/iEKRL,LE. t-.NY C0~1FL.ICTING REQJ REMErJTS STATED BELOW. TH[ CE°i'JC:O:·~-RECUl.'<:E:.'vlD·J-S FOR ::ROSIO~J ':JNTROL 'ND--\K SHAI I BE A'"::. F:JLLOWS: /•\J'-1.:;F.i·Uli'JC _)r-.~,LL EE C0N0JCTEO If-. SUCH A \1A~JNER -o EFFECTl1/ELY REDUCE A.CCEL::RATED SOIL EROSION AN) RESULTING SEDIMENTATION. 1 ;,_:__ -.:;=i~=: h,G SrlALL 3E DES1Gr0EO, C1)N3TRUC-rrJ, AND C0~1Pl llLD :o MINIMILL THE '.:,ILl AND DURATIJ.\J o::-EXPOSED (Ur-.v'EGET.~.TED) ARE.<I.. -:;::::-:.f.<ErJ-(,\:J~;c::o B" ;,ccE: .. ERA-EC SOL ER'.JSICN SHALL BE CAP-J~:::c AND REMO~'ED F~:Jf;i l~IJ.\JO~I-WAT::R Pl~IOR TC 11 A'v'ING llll s If '"'IY f\1,='GRARi CR PER\·V1NENT FA: UTY DESIG~~EJ .t\l\'D cor\STR'J:'.TED FOR TH:: CONl/EYAN::: CF WATER AROUND, ThROUGH. CR FROM THE GRADED AREA SHALL BE DESIG'\J::C TO Ll\11T T--iE WATER ::-LOW TO A ,,;.1;,-i" 2.C'.", \·i :t_LQC', :y ~:::~;,,~:k:.RY s:} L :::Fo:::OrJ C:J~,"TFOL =-:..c1L1TI[~ SI IALI .--ll l~I MOVE[.! p.r,o AREAS GRADED .~,\JO STABIUZ:::o WITH PERMAN.::!\ T so:L EROSION CONTROL MEASU~ES. ,f-Rl/,L ST,~}'~f;.-'l_L"; Sli.'.11 11r_ f:f--1-?Mil) ARJJ~L! THE'R PERl\\ETER TC PREVEr~T RUNOFF ~o_LJTION. 2 -J:__;;,:c_ ''i'/;\O[,_FS :;:LT FENCE, /1~;0/0R BER~J AT THE TOE OF SLJPES. ':/l'A~~I ::iUI_ Ari[; TU-'S:CiL TO Tf--E REJ~:REMENTS AS STATEJ Ir~ THE GEJTECHNICAL RECOMMENDATIONS A~JD :-1N1S.--l GRACE T'.) ELEVATIO~JS SHOWN ON THE SITE PLAN. ELlfJINATE ANY LOW SPOTS PRIOR TO Fl'IA.L ~-;,D11 I/A 1y~ 4 ':·J'.Jlf<"-'=TOR :;,-:,,L~ !-,~v'E '-,•'/ATER TFLCK MADE Al.1 AILABLE 1r1 A~1'11ST IN 1:0NTRDlllN(; MOl:-illJh~I CDl\TENT Al\C DUST .A.NC Wlr~D EROSION ,: ii I: 11:. I 'N 1 L BE :, C,Ci<PIL:C:D FOF f/OFE THti,N THl:'.<:TY (30) D/1YS SHALL BE SEE):::C AND MULCHED WITH N FOURTEEN (14) D4YS OF STOCKP LE CONSTRUCTION. NO STOCKPILES S-IA~l BE PLACED WITHIN ONE ·IJ'\~-''-'~L: (ICi·]J FTEl OF A ORAl~JAGE WAY UNLESS APPROVEC 8'-' THE 1~SW\1P t..nMll\'ISl~AT\.·R Hr_ (LE1\~~l~)G ·>F CO~JCRETE JELl\1 ERf TRLCK CHUTES IS RESTRIC-ED TD APPRQ'.iED ::ONCRETE W.l\SH OUT _OCATIC>NS ON THE JOB SITE. THE DISCHARGE OF WA-ER CO~JTA.INING WASTE CONCRETE TO ":"HE S'ORM 'r'"TI'.'· '._,; f-'·1 ·~'.' :lb.llJ AIL cor~cRETE 1\'AS-E SHfllL BE PROPERLY c:_EANED j=> /\NO DISPOSED /1T Ai~ APPROP~1\TE LOCA.TIJ\J. '·LL .. <~~A'.:J L'.:_,-,J~BLU uv :O,\':,TRUCTICr~ AC-''vlTIES SHi\LL EE RE'Y'EGETATED NITH A CERTI=-1Eo WEED-FREE l\ATIVE sE:::o 1-AIX APPROPRIATE :-oR SITE S·JILS AND CONDITICr~s. THESE l\REP.S SHALL BE MAINTAINED 1,1\T.L:, V[,,_;[T,\T''/E ::'D1,'ER or: t.,T LEAST 75% OF Pl~[-CONSIRlJC:llD~J C:),\JI) llON~3 FXl'.ll~1. IF Nf--c::SSARY, t.,DDITl:JNA_ SE::[, MULCH, A.ND/Ji 1-t_RTIL'?FR SHOUIJJ B:: APPL ED TO ESTAELISH SAID VEGETATIVE COVER. A_L :::F,U'~.IQ,\j c:i'-JTKOL f.1E!,SURES SHJU_O BE 1~1SP:::CTED TO DETERMl~JE IF REPAIRS OR SEO lvlENT REM:)\1AL IS NECESSARY. -:--r:: ~AAXIMUl.il TIME EE-WEEN INSPECTIONS SHALL BE 7 DAYS. 11,11' IJr< C\J'l lr,('L \1EA'.:i'Jc;:::s ARE ALSJ TC BE lr~SPECTED WITHIN 2·1 HOURS JF A STORM THA-PRODUCES RUNOFF, OR l>'IODERATE Sr~CW t>'IELT. r-,,-f' '\S :)-I ~;C>C·IFIC.:..T1or.1s TC-._,::: EROSION COr-.JT~JL MEASURES SHALL BE CO~APLETED lf;1MEDATEIY REPAIRS AND M:1rl1FICATl0NS SHALL BE DCCUtJEr~TEI) (WHAT, Wf--Y, & WHFrJ) .;. ,';iLT ,:,r,_c: 'S"_~-,1•.[J"' SH4LL EC:: RIClv1'.">1/EO IF T--lFF\F 11 ARIS~ Uf :OLDl\1['11 l3YPAS~ING 1 1:: EROSION CCi~lHOL FEAlUHE. Sl'ECll CALLY, SE:-..llMlNT BULDUI--' Sl--ALL l\UT EX:CEELJ 6 INCHlS ON SIL-FENCE, 1/3 THE H-:1J1i Uf-,,'.,,,\J';' c--i:::~K l)f\r~ OR 3ERf/ (lr\CLUDr...C l'JLET PROTECTION;. OR WHEN SEDIMENT WITHIN A SEDllAENT BASIN GETS Wl-Hl"J 6 l'JCHES OF THE OdTLET 1\JVERT. ·;·;·1:::'. Tll( l·-,\1'-CR;:..R·Y f..1EASIJRES ARE TO 'll l~I \10VU!. ANY S.LT ANC SEOl~/ENT DEPCSITS SHALL BE REMCVED .4"'D SPREAD EVENLY' I~ OPEN AREAS P.l\D SEEDED AS NECESSA=iY. -"/"/I' :. -''<I ~II'.-, -,'-'.TOR (LOCAL COl'J-A::::T): KATf-''y KILCH (970) 2'3.~:-262G 1··!-r,,,·,;sTRuc-or, s1:c GOUNO!-,R"' IS EQUAL 70 THE TOTAL AREA OF DISTURBANCE. THE :STIMATED TOTAL .4~EA OF DISTU;:BA~JCE IS 1.2 ACRES I "'' 1 .. ;l::i .l,F\I',,:~ co,-"s-~UCTIOt'J, EROSION .~,.-,'D SEDIMENT CONTROL SHA_L BE MAl~1T.t.'., NED BY THE CONTRAC'Qq ,, __ ,<l'A, :::::J•,:!""~L r.,1E!',:';Uf<·E:s SH4L:__ BE IN3TALLEO A.S THE '110~-<. (GRti.OlrJG; PROGRESSES '.:> -·[T,\L~ $---''_::,'',\'~J r,r;:~ SCHE~1A-IC QrJLY. ADJUSTME~JTS ~JAY BE NECESS.t..RY -o FIT ACTUAL Fl':LD CONDITIONS 6 ,[(;,Tl'v'' l~,F--Ac-:-s TO GO>'INSTREAM AREAS (OR RE::::::11JING WATCRS) CA:_JS[D BY Tll[ OVERLOT GRAIJl~JG AND/,:l--.: CCN'.:j R,JCTION -o G[ MONITORE:_D ANO r :,::..,;c_CTED ~1" THl CJ~JT~·PCTOR lfF :--~ST bfJF TC 3:: l~JST,0,LLED ON THE SITE Sf--f\LL BE C:J\JSTRUCTION FE\JCE, MARKERS, OR OTrlER APPROVED MEAtJS OF DEFINING THE L.MITS OF ~-ur1:--,•1.;u::__: c,r, (', '-;i-..Tl~f-<;,L \;E,:;:::·~_'l()rJ 3--lA __ CE rt::::TAl~JED Af,T' PROI <.TED W---1-fdl/I!~ PO'::.'.:jlll:f ~xl'O'.:lURE OF :-;:)L TO EriOSOt< 8Y .:;:::MOVAI OR u1:;ruR1::JANC:I_ OF '.E8L-l:C.!Or.: SH::..LL f.::: L:f;:TEO TO THE ARE4 REQUIRED FOR l~.1MEDIATE CONSTRUCTION ·JP[RATIO~JS ·'-1 (l)N·, l?l:crc~~ ,'t, FIC 1.1u:_,1 E~TER/EXIT THE SITE THROUGH THE SWMP-APPROv'ED ACCESS PONT 1L'' TH:-_,)c:rirlC'.''; C'F l_ltJ'.)EP':;r;;our-.o u-111TIES A?, SllOWN 11rR1-CJI\ ARE 8.A.SED ON VISl3_E E\/IUENCE f-~DM A3DVl GROUNU '.::ill--IUCIURE_S, MAHKINGS ~y TH:: ---'l ::l'LC"'l','l I,, 1.1 ITY CC,lvlPC,\JIES ,;NJ/JR THE R LO:::.ATOR SER\1ICES, Ar~o D~AWINGS PROVIDED BY THE UTIL TY C0~1PANIES. NO EXCAv',\TIO\JS WERE MADE ~.1_11;-·r~:-: -. '"-'3., \V["y T'J r:r --~Rf.illNf--:..'.A(T LUCA 111_lNS AND LJE=+THS J;:-UNDERGROJ'JD L, TILITIES AND STRUCT J~ES. ACTL..4L LDC.A. TIONS fvlAY VARY SLIGH TL y =-r<:::::r, 1~0:;::: ;,":;, 3HJ'IN~J --lC:f'EOrJ AND .A::i:,1Tl1JNAL UND[~GROLINI:' lJI LITIES f;1AY EXI';! LXISTEl\L:I A~JD LCC:AilON5 Cl ALL :.JN iEF<'Gf~ClJND LJlll ITIES .A,\Jl"t TPUC~ --!"::::; St IOULC· BE \'ERIFIE:O ='R102 TJ ti.~·y COMSTRl!CTIO"l ON THIS PROPERTY. 11 :<1·:;-;-1,\(; c;,Jr;'1/[Y lt~:'r:R:rv.4TION :1\J: Ul)l~JG L:<ISTl~~G JllLIJl[S) l'kU'vlLJ~D BY WASATCf-! :;uRVEYING, lf--C .. 12 F.IGl\,\L C-\,\Wl'<G S :'.:[ S 2·1''x36" NO. DATE TOPSO I Wl~jDROW DURING ~CNS~RUCTION REVISIONS DESCRIPTION BY ' ' // ----_,,, ~----------___ ~ SFEO AtJD \1ULCI--: Wlt~DROW ~CIL TO 3~~SED .... ----- / D"l NEW SLOi='c.S TOPSOIL ~ / (TC REklAl'i) ·~ ,,.,,.,,. .... ..--- TOPSOIL WINDROW DURl>"G RECLAlvlA.TION ~t ~ f~l~~~,c;;!i:: 744 Horizon Court, Suite 110 Grand Junction, Co. 81506 Phone: 970.241.4722 Fax: 970_241 _8841 ;.:o :i ~$- ENCANA OIL & GAS INC. " I High lvlesa Cornprcssor Station Ex,Ja·-sion Eroson Control P1a:- Constcu ct' on DRAWN BY: nmr SCALE DATE ISSUED: 03/21 /11 HORIZ: 1"-20' '-------------- PROJECT jQ86-025 CHECKED BY: mjk VERT: N/A SHEET NO. 2 OF 3 SHEETS +::; I c CT ::-", 3 -lS~--- -~[)--CS -D---------U-- 11 [_J -- -· P[v--~r·1-- LEGEl'J D :"'stollc'. on detcils and moi1tenonce guidel'nes Tor the ubovio e··o:,ion control measures can be fo.Jnd ir ,\~,pend1x t o' .. 1e E-,cono IV· ester Stormwoter Management Plan l\cr:h ParudH. te Unit, CDOT slordords, on Denver's IJ'bon Droinc(Je c,;nd Flood Cantrel 01str ct web~ite, '.'lnd various manutocture's we~·s;tes l/ori'll1ons f·or-these ston::!ards shall be appro·~ed by 1~,e CSVvfJP Adrnir1i">lrulur pciur to ir·;;\ol ,J1-·on. This lis: is not t,orsidered ccmple:e or o:·solutc, odd1t1onal methoCs con cind shoul:::I be a:Jded :o tris plan it rl;'quirec..I. This CSWlv!=' shoJld oe kept cu-rert ond modified apprcpriatel}" by the CSW~!I? Adrr1111;strutor h:is<'d on '.'lctuol f,eld condit'ons and :r,e Cor.trocto-'s me::ins and ~ethods A'JCHOREO STRAW BALE CHECK DA~A C0~1POS l Bl ANKF I CONSTRUCTIJ'\J FE~~CE COll.1POS1 Fl_ !IR Fl l\M CLLl/ERT INLET PROTECTION CONSTRUCTl-J\J lvlAR~:ER CUL '/ERT CUTL:C:T PROTECTION :::J~l~i lf\U(. I ION ~;ITE 3'J'J\J)f1RY CONCRETE '/IASHJIJl fl.Rt A CEWATERl"l::: DlvE:;:S1Cr~ OIT:-:--1 ERCSION C:J~J'ROL BL.';'l-\ET EXISTlr~C VE·:.ETAllv'E SW/\L:C: Fl_TER EERfJ f-iYDRAULIC lvlJLCH LE'~EL SPREADER tvlATERIAI SIORAG!-.l\Rf-A ~'ROif-CT f->: '.::TIMG ''ECE-';TICr~ REINFJ;;::o::c CHECK DAM ROFE FEl\CE RL:I\ CN Dl\IC:RSION DITCH RE !Eh TIJ~J ~OND RIPRAP /ROCK --ec--sc- -~-sa-- -SU~--SUS--- ---------1 ~--------1 -T~--;,- -.,, ~ ~ <) .5 --~--.--- -W1L-\'ITL RRB FOR CJLVERT PRCTECTIO~~ ROAD SIDE Oil :H RE\l'EGET A TION SLASH SEDIMENT 8P,SIN SEOIMEtJT ::DNTROL LOG/WADOLE SILT Ff-NC[ SURFACE H.A.RCENING SEECING AND MULCHING SNOW STORAGE ti.REA SOii SILT BE:;:~1 SEDl~IENT TRAP SU3SOIL STOCKPILE 1:::RRACING I ·.).-''.JUIL '.":> TC.CKPILC TE~ll'ORAl~Y SLOPE Q:;:AIN TE~1PORARY STREAM CROSSl"JG TOF501L WNCRCV/ IHlTH lEMPO~A~v f-YClRAjLIC ER0$10N CONTRO_ MJLCr VEHICLE TR.ACKl~~G CONTROL I/EH 1-:1 F EO.llP~vlEI\ T & MAH~TENA~JCF WATER BAR WASTE \1/\NAGEMEN- STf~AW 'I/A I IL:C: \/ C WI IH WI If f-_L WA~;H RCCK ANO RIPRA' GRA.C-ATIONS lh,o I'' 5 who1l'j ,,i\n•n =>cr·:el ~-2'1063CIOOJ48, whi~h is owned l>y En·_ono. 111 -.1c;.r"' legul terr·1:., it ,::; 'ccoled in East ;~ Nor+-.west ~ 1Jnd Southwes: \4 Ncirt-h""o'SI )::0: Se.~ticn :~r; lownship I SoJ:h, Range 9fi ,., , ~he hi"' l'r1ncpal Merdian Cor11clc Cou-:y, Cocrado. The tota acreoge ·Jf tl"1e p'oJosed Compressor Stotion Po:J is opp-0~1matey l acre. The estimated loto1 urea of d1slGr!:rJr1ce is ·.2 acres. Ac·~·.:r,:inq '_J 11·-= ~JRCS .ve:U sil;o, the "pper loy»r at s0il =·resert o: t~c project site consists of Ildefonso ~tony loom, N'hi I chonnery loom, Potts loom, :nd Pot.ts-I defonso complex. These soi s h::ive whole so'I k tcct.Jrs 'CAQlnJ ~,o,..,., c.·s \~ 0.28 .. ';cco-dinq to Un~se k vulues the soils ::it this site o~e mildly to mod~r::i:ely erosive. ·C.1:_.r,..,,,,t,,-·r."!rn th s s1\c w1 I De discharged from the site ;!-.rough o series Jf existing and proposed sediment b·Jsin~ ard ditcries Dr::i1noge tor the pod is from l!15 eo~t +.o llie wesl. A di·~ersiun c;ilch will be co'"' J~ _cd l·' di·.,P.r; o 1 ,,ff-site -urol' aroun,~ the ~ite. -.-c ··cl'~ivi·1y .~.,~dy o' wo\€' is Pete and B II Cre6k, which ullirnutel f c::r,:i11,; \J tl•e Color·odo River \~2 J miles <iownslreom ~t tr-e site) '.>Ir -·~t1cir-, , ct:.,ity wiil cor1s1°t ct, j~ t~e tallowing order: es:ot:lishme-,t o' pc'i'"ne\er stormwater BMPs site clecr;ng, to;:isoil removal ~nd stockp,ling, overall grodl'lg of the pad, gradirg 1or the individual ~~i1.~·'19/cqu.;:«1T<erl\ pees, c.iccess road i~stollcl.1cn, bj1ld ng/equiµrneril pod/Founciuti::;11 c::instructio-., utility di: equip1nent installations, building cJnstruction, and final seeding. Intermediate stormwater BMPs will te ~::.:lleJ ._·r ,_ '1·~1nlu'1··,eo u-,,·ou·~r1out cnnstr1n:tior as rPquire,~ by the C:·ntroctor's means and methods. fr,; P' ~,ur _, ,_::;ntari-,i-ont of cCnce~r Tcr ths site s ~ediment. Tl·e P'Uf:Oseci e-o~iun conlruls huve :.H:en selec,tecJ und ~·lu~ed Lu r--1il'gute lh= poler \i.::;I (ur sediment lr:Jnsport frorn t!-e ,;iie. E<1sl"1:; v,,·J<0'.ution on \he sife C•)nsists prima~i y of h19-, desert ve:;etotion (sage, rabbit brush, juniper, etc.). Undisturbed port;ons of the site crs op:iroxirnctsly 70% vegetated. :·: .i-e ::\at1c'IOI ·Jcthc,~ 2 on,j 1CC year r;;noff coefficients fer this site c;r;;: 0.42 for urdevelciped areus end 0.55 for· dev;;oped c.:ondiliu·1~. [3\1P J:::1:.1 1_c; PRC\;IDE) Ir~ AP?[~JDIX I 01 IHC:: N~ANA ~!ASTER STD=;:t.IWATEq M.A,\JACE"-1ENT PLA\J SOUTH PARACHUTE U~JIT COR 03210 :RE~'ISED ~UNE 2oo·J). lllC: :;:1_UU'RE~IENTS '.:iTATEn !~Till_ ENCANA t.1';STER P_"-."-SH/'.l_l C.;EK"ZJL:'.: Al~Y cor~FLICT,N:::; REOUIREME~JTS STATED BELOW. Tl1~ c;[r.1E;;:.:.L RCC:·~-llCE""E\JTS ;-,Jr\ EF:OSION COMT1JL WO'\K SHAU HE AS FOi 1 UWS 1 t.,'-,Y .:,1<AU1hC ShALL B~ CO'IDUCTED IN SUC--l ,I\ l.1t._N'IER TO EFFECTIVE'_y REJUC::: A.CCELERATED SOL EROSIC~ ANC RESU_Tl\JG SEDIMENTATION. 2 fill. C'IADll'•C· ":.HALL B[ DES:Gl~E'), CONSTRUCTED, A~JJ C0fu1PLETEJ TC MINl~~IZ=:: THE SIZE A"IJ 01_.RATIOt~ OF [XF'OSED (UNVC'.>ETAT[)) AREA c;c_Cl\''.:'~T ::,.;:./~ED 8'( ACCE'rER1\TEJ SCIL ERCSION SHf1LL BE Ct>FTURED A\J) RE~/0\1 ED FR0~1 RU\JOF::-WATER ~R OR TO LEAVl\JG THE SITE. ,.;:r1 TEr,:~1:1.:\'AF'Y Of\ PE=<,\11A~·JE~J I FACll ITV IJ~_Sl(;NED ANJ CONSTRUCT[[' FOR THE CCN'vEVANCE OF WA,TER .AROJNL), THROUCH, OR FROM Tt-E GRADED /\REA SHAL-BE o::SIGNED TC LIM T -.-JE WATER FLOW TO A C-10~--ERCSl\.'C: 'JELJCITY 5 T[r,,FC,Rr.h:Y S01L EROSIJ~J c,.J>;TF'O'_ F.:;:::UTIES 3HA_L 9E REMO'JEO A~JJ AREti.S GRADED t..NJ STABILIZED WITH PERMANEt~T SOIL C:ROSION CONT::;:)L MEASURES ~.1.L..-:::R1,C.L s ;oci<FILES SHALL BE 3::R~vll:.lJ 1\ROUf\C THE R PERIV1ETER TO PK·[VENT RUN·:),:'F POL_LU°'.'.'0N. --'L,\Cl '.V1\DDL'::S, Sl_T FEl~CE, AND/OR a::Rf.,1 4T THE TOE OF SLOPES 1_;-__j::,p;:.:._:--SC'IL t..\O TOPSCil TO TY:: REQUIRElvlE\JTS AS STA.TE) IN THE GECTECHNICt..L RECJMMENDATIO~JS AND FINISH GRflCE TO ELEVATIONS SHOWN ON THE SITE PLAN. ELlt--1.NATE ANY ~OW SPCTS ~~IOR TO FINAL -_;;;.1:11 z;01:0~~ :·J'ITF.r-.:cu;;: '..oHALL HAVE"' WATER ~Rll::'.'\ MAJ:: fl'v'AILA 11 E ]() A::.:;1:;1 IN CONll!DLLl~J(; MOl'ilURE CONTENI A~~[) DUSI ANG WINU [IU)~~IUN S':-: I 'i Ti ,c.,: Vil' ':lE ':OCKl'ILED r-o:;: 1v10:;::: THAI~ -H RTY (30) DAYS Sh.ALL BE SEEOEC AND MULCHED 'lllTHl~l FOURTEEN (1·1) DAYS OF STOCKPILE CONS-RUCTION. NO STOCKPILC:S SHALL BE PL1\CED WITH'!\ 01\E HlF<U•<::) [IOU'. FE.ET CF ,r, QR,)lr~1\GE WAY J\JLESS AP;:>:ZJVC:O BY T--1:: CSWtJP AD~vlll\ISTRATOF<, h l ;-:lr-A~,l\C. ,.=, '~>Jr...:'.;'-\::.ll _l:;_LIVlkY lkJCK CHJTES IS RESTRICTED TO APPROVED CONCRETE WASH JUT LOCATONS ON THE JOB STE. THE DISCHARGE CF WAT::R CCNTAINING WASTE CONCRETE TO THE STORM ,,-cFt.• IS f-'R1'-1B·TE'.) 1\.L_ CONCRETI \/\1t..';lf-'SllA L Ill 1-'RCf'[RLy· CLC:ANC:C Uf' Ar~D lJISFOSED AT .';N P.f'l'ROFRIATE LOCA-:-ION. -'I., ·'··''E:\S J1c;.T~.;;;BED BY CONSTRUCTIDc.J . .:;::TIV1TIES Sl-,ALL BE REVEGETATEC WITH A 2ERTICIED WEED-FREE ~JA-l'v'E SE::D MIX APPROPRl';TE :-op Sl-E SOILS AND CONDITIONS. TL.\ESE AREAS SHALL BE MA.INTAINED _!,II. '>;E:,:: l A TIVI CQ\lf II D l AT I: P,.,'.:_.T /'::13 \II-PR!--COt~ST~JCTION CONDIT ONS EXISTS. 1=-r~ECESSA"iY, ADDITIOl\AL SE'ED, MULCH, AND/O?. FERTILIZER SHOULD a:: APPLl::O -o ESTABL SI-! SAID VEGETATIVE COVER. !-., ::1-·1_l'::.'C:I< ·~,Cr~rRo_ r.iE.n.:uKES S-L)ULC' BE 1NSPECTECJ TO DETERMINE IF REPAIRS OR SE)ll.IENT REM0 1/AL IS NECESSARY. THE t/A.XIMLM fl\iE BETWEEN INSPECTID\JS SHALL BE 7 DAYS. Lf'1J':21Cr·J :-:::-x,Tt,'CI ~"1[:'>.'_;,l:h[') AR[ Al'.:~0 I{) Bl-l'IS=i-crED NITHIN 24 I-OURS OF A STORM THAT PRODUCES RUNOFF. OR MOCERA.TE Sl\O~I MEL-. <:i·;:..1P:. JI~ \1(!DIFICAJ'l'J'IS TC -,_,E ERCSION CO~J-RJL MEASURES SH/~LL EE COMPLETED ll-.1MEDIATELY. REPAIRS r,NJ 1-,10DIFICAT:DNS SH1\LL BE 00C'J\1E\ITEC (WHAT, W!--Y, & WHEN). _-;I'_ l ·,:,1[_' SfDl\·1[1,T SHALL ClE RE\10\IC:D IF THERE s A RISK CF s:::ol~vlENT 3YPA.SSING -;-H:: EROSIO~l ::::ONTROL FEATURE. s~ECIF'CALLY, SEDl'JENT BUILDUP SHALL NOT EXCEED G INCrES ON SILT FENCE, 1/5 TH=:: hfl'°;I or ;.N CHEcr: DAM OR BC:FM (INCLIJlll~JG IN'_ET Fl~OTtCllON), ()R WH-1\ '._111)1\~[NI WITlllN A ~;\-DIM[~JI BA~IN G[l'.1WITllNfi1\11.llf-S er lH[ DUTU_I IN\flRL .,.,., .. t:'J lf-E 1E1v1=i:)p1,:;:v IJ,C:ASLKES 1\RE TC BE REl.10\IED, ANY SILT A~JD SEDIMENT DEPOSITS SHALL BE REMJVEO Ar~c SPREA) E'~'ENLY IN OPEN AREAS At~D SEECED AS NECESSARY. :)·//,•P MD~l"ll')TRATOR '.LJ:::A_ CONTACT): KATllv KILOH (970) 28.5-252E Thf :.::o~JSTF·1~:::-11cr~ SIT[ BOUNDARY s EQUAL TC THE TO-AL AREA OF CISTJRBANCE THE ESTIMATED TOTAL AREA OF DISTU~BANC:: IS 1.2 ACR::S. " ,-".L_ 111,i::::5 'JUKl~JG CONSTRUCTIO~<. EROSICr~ 1\NC SE)llvl::NT CONTROL SHALL BE MAl~JT.1\1!\ED sv TrE CONTRACTOR. =::R:)SICr~ COl·J-ROL MEASURES SHA_L BE l~JST.ALLED AS ~-IE 'NOR:-<. IGRAJll'-..G) PROGRESSES '-i ;1 lr\IL.', :,HO'Nr, P.RE s:::·1Er,1ATIC Cl~LY ADJUSTME"ITS Mfl,Y BE NECESSARY TO FIT ACTUAL Fl::LD CONDITIONS. 'iEc:.r1v:: .MP;.CTS TO DCWl-..SIREAM AREAS ''.OR R::CEIVING WATERS;. CAUSED BY THE JVERLOT GRADING A~JD/OR CONS-R'JCTION -::i BE MONITORED P..l\D :;:_:,,'f-iEL l'.::D :3Y THE [ON TRACTOR. T~~[_ 'l"ST :)·,1.= TC> SE N'lTALLLD O~J IH[ Sl'IF ~_;HAI__ 1-lf--CO\JSTRlJ(TIO\J FFNCE, 1-.\ARKf-'--\S, CR o-:-HF~ .APl'RO'v'ED MEANS o=-Di-f:NING IHE LIMITS Oi- ='~'l'i3TkUC II y, ':\ '·1"-~v''·~.'~ '/'::':',fT1\Tl<)N SH:•.LL EE RETJ'.INED AND ;i:;::)TEC-ED W--1EREVER POSSIBLE, EXPOSURE OF SOL TO ERCSION BY REM:)\lAL OR JSTURBANCE OF ·,1:::c. ;,Tor~ ',HAI I fli IMI 1:, TO THE Af\EA R:C:OU1RED FDR IMl.IC:DIA.TE CONSTRUCTION OPER,\.TIONS. ~~-I '~C';S IRUC 1101'. fR1-IF>:C ~JUST E\JTER/EXIT THE S1-:: THROUGH THE SWMj-APPRC';ED A·:::CESS POINT ~:-, Tri':: L'-l·=t.T\CN·:, or l,_.l\l.·l llCROUl\U lJ 1111~'1 :; AS ':,H,JW~J '--1ERC_ON ARE BAS::c' Cl\ '/ISBLE EVIDE'JCE FROM ABOVE GROUND STRUCTURES, t/ARKINGS f-3Y THE <[_;-occ· ,'[ lv·-uTr C0~1IP:'il\IES AND/OR Tl-EIR _(IC.A.TOR SERVICES, A\JD DRA.WNGS PRQVl)E[< BY THE UTILITY COMPA\JIES. NO EX'.CAVP.,TIONS 'llC:RE f/AC·E ~1'.1h·.r-:: 1111'-, ".'.H~VEY IC DI IERMlr,E E~."-CT LD~ATICl\S AND DEPTf-S OF UNJERGROUND UTILITIES AND STRGCTURES .. ACTl.AL LOCATIONS MAY V.l\RY SUGHTLv -t-.;.:,'\ THC::>f-:.._-) SHC1·'.'I\. HEREl)r~ AND ADDITIOIJAL .JNJC:RGR'OUND L:TILITI' S Mti.·y EXIST. E'1<"1S C:NCl AND I :JCATIONS 01 A'_L l_.NDEKGROL:l\D UllLITl[S AND Sl~\1,,ClvRE'o 5t,OUL;:: 3C: \.iERi=-IED PRIOR TO A~Jv CO\JSTRUCTIQ\J ON THIS PRO~ERTY. xi::-·~" S~ R1,''.:Y 1r,,f OF~~.~;., T11)"-I ':l\l('_UDlrJG LXISTIN'.) I_, llll I IC'.'~) ~'FiOVl[)f--D l_-jy WA~1ATCH SLJRV::Y1r~G, l'lC .. ') ,1,· 1 l'~A :,-,.L\·/-':'i(; '.:l?E S 2L"x3ci". NO. DATE I Ir 1e; l ~Je,o 18" CM Cu 'Je't engtr-1 = .5J teel I ,,..,,.,-1 J"L, 594q '°' TOP SOI Wl~JDROW DLRING COr~SIRlJCTION REVISIONS DESCRIPTION ---- BY __--~ r SEED AND MULCH W'l\DROW / ----........... ...... /,// ,,_-~~I / TOPSOIL TO BE LSEO /_,/ ~~ ON N::LW SLOPES T0-'~011 --~/c:c__/_ /--------(TO ecMAIN) ~-----~------- TOPSOIL WINDROW DIJRll~G Rl::C~AlvlATIO~J ~ y~1~~':,C:!~'!' ENCANA OIL & GAS INC. High lvleso '.jcmpresscr Staton :cxporc.1c1n Erosior1 Cor·, crol Plc.;n ?ost-Const~uc+icn 7 44 Horizon Court, Suite 110 Grand Junction. Co. 81506 Phone: 970.241.4722 PROJECT 1086-025 SCALE DATE ISSUED: 03/21/1' DRAWN BY: Fax: 970.241.6841 CHECKED BY: nmr HORIZ: mjk VERT: 1"~20· ~------------- N/A SHEET NO. 3 OF 3 SHEETS 4 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Impact Analysis Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Road, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Article 4 – Impact Analysis Grand River Gathering LLC High Mesa Compressor Station SECTION 4-203.G. IMPACT ANALYSIS 4-203.G.(1) Adjacent Property Garfield County Assessor’s GIS data was used to create adjacent parcels map identifying parcels located within 200’ of the subject parcel boundary. This map has been provided to Garfield County and has been identified as Adjacent Parcel Map AP-1. Below are the tax parcel numbers in bold and the corresponding land owners and mailing addresses. Parcel Number 2409-361-00-048 Encana Oil and Gas (USA) Inc. 2717 County Road 215, Suite 100 Parachute, Colorado 81635 Parcel Number 2409-364-00-955 Bureau of Land Management 2300 River Frontage Road Silt, CO 81652 Parcel Number 2409-351-00-136 Larry A. & Karen K Klebold PO Box 67 Parachute, CO 81635 Parcel Number 2407-193-00-162 Day Break Realty, LLC. 400 Panamint Road Reno, NV 89521 Parcel Number 2407-251-00-954 Bureau of Land Management 2300 River Frontage Rd. Silt, CO 81652 Parcel Number 2407-214-00-954 Bureau of Land Management 2300 River Valley Field Office Silt CO 81652 4-203.G.(2) Mineral Owners Mineral rights owners have been identified in the following list: Salvation Army c/o Bank of America Agent PO Box 840738 Dallas, TX 75284-0738 JRMD, LLC PO Box 1926 Rifle, CO 81650 Office of Natural Resources Revenue PO Box 25627 Denver , CO 80225-0627 Greg Bendetti 1509 Arabian Ave Rifle, CO 81650 Paul Randolph Bendetti & Raelana B Wittmeier 1601 H 38 Rd Delta, CO 81416 Karen S Brown 13419 Hwy 392 Greeley, CO 80631 Terry Lynn Bendetti 233 County Road 265 Rifle, CO 81650 Grand River Gathering LLC High Mesa Compressor Station Impact Analysis Page 2 WPX Energy Rocky Mountain, LLC Attn: Director Infrastructure Services One Williams Center Mail Drop 36 6 Tulsa, OK 74172 ExxonMobil Corporation Accounts Receivable PO Box 951027 Dallas, TX 75395-1027 Judith R Hayward 180 S 2 Ct Parachute, CO 81635 Cristy Ann Hayward Koeneke 8065 Marshall Ct Arvada, CO 80003 Craig L Hayward 582 Manorwood Ln Louisville, CO 80027 4-203.G.(3) Adjacent Land Use The adjacent uses within 1,500 ft radius primarily consist of agricultural (grazing and rangeland) and natural gas extraction. The land immediately around the project site is primarily utilized for industrial activities (e.g., oil & gas type operations) and a water treatment facility is located on the north side of the station. The closest residences (i.e., “residential/agricultural/rural” zoned properties) are located west, northwest and southwest of the station at a distance of between 4,200 feet to 5,500 feet from the site. The surrounding properties have not been adversely impacted by construction and operation of the existing compressor. The use of a compressor station is similar to the existing surrounding land uses. 4-203.G.(4) Site Features Descriptions of the various site features including soils, vegetation and terrain are discussed in various reports located within this submittal and other project narratives. The project area is located in Section 36, T7S, R96W, 6th Principal Meridian. The site elevation ranges between 5,925 to 5,975 feet above mean sea level. The site is accessed via Garfield County Road 304 and private roads in the vicinity of Pete and Bill Creek. Approximately 1.84 acres of native vegetation has been affected for the development of the 3.31 acres of property that the High Mesa Compressor Station (HMCS) site occupies. Pete and Bill Creek is located near the southwest corner of the project site. According to the USGS Quadrangle, existing drainage features include intermittent streams. WestWater Engineering (WWE) also studied the drainage features of the project site and concluded “that no wetlands or drainages showing characteristics of Waters of the U.S. (WOUS) were located on the site.” There are no lakes within the project site. No major geologic hazards appear to be in the immediate vicinity of the proposed facility. There are only minor slope hazards and soil hazards are low. A Geologic and Soils Hazards report is included in this submittal. 4-203.G.(5) Soil Characteristics According to the information prepared by the Natural Resources Conservation Service (NCRS), the soils in the area of the compressor station include Ildefonso stony loam, (34), Potts loam, (56), and the Potts-Ildefonso complex, (58). Ildefonso stony loam (34), soils are developed on 25 percent to 45 percent slopes, and consist of well drained soils in land settings of alluvial fans and valley sides. Elevations range from 5,000 to 6,500 feet above mean sea level. The parent material of this soil is mixed alluvium derived from basalt. The potential to corrode concrete and steel are low. The Potts loam, (56) is developed on 6 percent to 12 percent slopes, at elevations of 5,000 to 7,000 feet, and is found in landform settings of valley sides, benches, and mesas. The parent material of this soil is alluvium derived from basalt and/or alluvium derived from Grand River Gathering LLC High Mesa Compressor Station Impact Analysis Page 3 sandstone and shale. The potential to corrode concrete and steel are high, however, proper engineering will address any concern associated with corrosion potential. The Potts-Ildefonso complex, (58) soils are developed on 12 to 25 percent slopes, and consist of well drained soils on mountainsides and ridges at elevations of 5,000 to 6,500 feet. These soils are found in landform settings of valley sides, alluvial fans, and mesas. The parent material of this soil is alluvium derived from basalt and/or alluvium derived from sandstone and shale. The potential to corrode concrete and steel are high, however, proper engineering will address any concern associated with corrosion potential. Copies of the NRCS Soils Report and Geologic and Soil Hazard Report are included in this submittal. 4-203.G.(6) Geology and Hazard The Geologic and Soil Hazards Report details any issues that would be associated with geology and soil hazards. The summary of the findings contained in this report are as follows: Geology The proposed project is located near the eastern margin of the Piceance Basin; an irregularly-shaped elongated basin formed by tectonic forces that downwarped the earth’s crust as a result of the uplift of the Colorado Rocky Mountains. Areas on all sides of the Piceance Basin have been uplifted by these same tectonic forces. Structural Geology The Piceance Basin is the major structural geologic feature in the region. It is bound to the east by the Grand Hogback monocline, the White River Uplift to the northeast, the Gunnison Uplift to the south, the Uncompahgre Uplift to the southwest, the Douglas Creek Arch to the west-northwest, and the axial basin uplift to the north (Grout and Verbeek, 1992). The Grand Hogback monocline is a sinuous feature comprised of Upper Cretaceous age bedrock of the Mesaverde Group, which includes the Williams Fork Formation and the underlying Mancos Shale. The Grand Hogback forms part of the boundary between two major physiographic provinces, the Colorado Plateau and the Rocky Mountain foreland. The Grand Hogback bends abruptly to the north of the Gibson Gulch Quadrangle, and strata along the west- to southwest-facing steep limb of the monocline typically dip basinward at an angle of 45° or are even overturned in some areas (Grout and Verbeek, 1992). A series of west-northwest trending, broad, gentle anticlines and synclines, are present within the Piceance Basin to the west of the Grand Hogback. The Wolf Creek Anticline and the Divide Creek Anticline are the two closest of these structures. The axis of the Divide Creek anticline crosses the southwestern part of the Gibson Gulch Quadrangle. There are a total of eight joint sets, or fracture-pattern trends, that have been mapped in the Wasatch and Mesaverde Group bedrock units in the area (Grout and Verbeek, 1992). These joint sets are the result of structural deformation of these sedimentary rock units through geologic time. Surficial Geology The location of the proposed facility is underlain by bedrock of the Tertiary age Wasatch Formation, including the lower Fort Union Equivalent at the base and the Ohio Creek Formation. The Wasatch Formation is divided into an upper section that ranges from 400 feet to 1,600 feet thick, a middle section that ranges from 0 to 400 feet thick, and a lower section that ranges from 400 feet to 900 feet thick. The upper section consists of variegated Grand River Gathering LLC High Mesa Compressor Station Impact Analysis Page 4 shale and clay and some lenticular sandstone, conglomerate, and limestone beds. The middle section consists of massive fine- to coarse-grained sandstone that is gray to brown in color, in part conglomeratic, and forms conspicuous ledges where exposed in outcrop. The lower section is composed of variegated shale and clay and some lenticular beds of sandstone, conglomerate, and limestone. Olsson personnel have reviewed the relevant county maps prepared by Garfield County’s Geographic Information System (GIS) Department that pertain to this study. Conclusion and Summary According to the information provided by Garfield County, Colorado - GIS Department pertaining to the location of the HMCS, the overall geologic and soil hazards appear to be minor slope hazard and low for soil hazards. No additional building or construction will be taking place, so any geological constraints associated with the site are not applicable. 4-203.G.(7) Groundwater and Aquifer Recharge Areas The existing compressor station involved minimal surface disturbance and has not and will not adversely impact groundwater supplies or aquifer recharge areas. The design of the facility has been done in a manner that will eliminate the potential for produced water, fuels, and other chemicals used at the compressor station to spill and impact groundwater. Secondary containment will be used in the form of liners and steel containment. All secondary containment will be sized to accommodate the appropriate volumes of vessels storing hydrocarbon based fluids where required. Please see the Site Plan for additional details. There are no documented floodplains. There will be no waste disposal for the site so addressing the impact of the HMCS on the nature of soils and subsoils and their ability to adequately support waste disposal does not apply. There are only minor slope hazards, none of which will be impacted by the HMCS. There will be no sewage effluents. Grand River Gathering (GRG) has a Stormwater Management Plan (SWMP) which addresses any potential impact to surface runoff and stream flow. The SWMP is included as part of this submittal. 4-203.G.(8) Environmental Impacts Environmental Effects were investigated in the March 2012 WestWater Engineering (WWE) Impact Analysis. WWE biologists determined that no wetlands or drainages showing characteristics of Waters of the U.S. (WOUS) were located on the site. GRG has drafted a Spill Prevention Control and Countermeasures Plan to address how spills will be prevented and what will be done in the unlikely event that a spill does occur. a. Determination of long-term and short-term effects on flora and fauna Flora Approximately 1.84 acres of native vegetation has been affected by the development of the HMCS site. No TESS plants have been affected. It appears that the current noxious weed management strategy has been effective although non-native invasive species have become well established and affect revegetation and reclamation efforts. Fauna Raptors Approximately 1.84 acres of pinyon-juniper woodlands were removed for construction of the compressor station. Judging from woodland characteristics surrounding the site, the trees removed likely provided poor raptor nesting habitat. There is a low possibility for effects related to the increased human presence and activity associated with operation and Grand River Gathering LLC High Mesa Compressor Station Impact Analysis Page 5 maintenance of the compressor in the midst of other activities in the area including agriculture and natural resource production. American Elk and Mule Deer Human presence and activity may affect animal distribution or have temporal effects on habitat use. The direct loss of approximately 1.84 acres of mixed shrubland/woodland in this area likely has little, if any effect on big game given the amount of undisturbed rangeland and agricultural pastures nearby. Black Bear and Mountain Lion Potential encounters of black bear with personnel could occur if garbage or food is available to bears. Incidences of human-black bear interactions sometimes result in the euthanasia of offending bears by the CPW. Mountain lions would not be affected. Small Mammals, Birds (BCC), and Reptiles Human presence and activity may affect animal distribution or have temporal effects on habitat use. The effects of 1.84 acres of vegetation removal included loss of nesting habitat for birds and loss of foraging habitat for all species. b. Determination of the effect on designated environmental resources, including critical Wildlife Habitat There do not appear to be any designated environmental resources that will be affected by the HMCS. Discussions of impacts to wildlife habitat are listed in the next section. c. Impacts on wildlife and domestic animals through creation of hazardous attractions, alteration of existing native vegetation, blockade of migration routes, use patterns, or other disruptions WWE conducted an analysis on the effect of the compressor station on critical wildlife habitat which is included in this submittal. The project site is located in an area that has been previously disturbed so any additional critical habitat will not be disturbed. The potential issues discussed in the WWE report include: • Loss of nesting habitat for migratory birds, forage for big game and other wildlife: Construction of the compressor station has removed approximately 1.84 acres of nesting and foraging habitat for migratory birds, including BCC species. The vegetation removal has also resulted in a reduction in forage availability for big game and other wildlife. • Indirect construction effects: In addition to direct removal of vegetation, operation of the facility and increased human presence and noise creates an avoidance area surrounding the site resulting in an indirect loss of habitat. Since the site exists amid significant human presence related to other activities in the area, the additional disturbance from this project is low but does contribute to cumulative effects. No additional construction is being proposed so the indirect construction effects will not be expanded. • Big game winter range and migration corridors: The compressor site is situated within deer and elk winter ranges including a deer winter concentration area and elk winter concentration area. No specific deer or elk migration corridors are affected, though migration occurs in and around the site. Potential affects could result from vehicle collisions, direct loss of forage, and indirect habitat loss due to avoidance areas. Grand River Gathering LLC High Mesa Compressor Station Impact Analysis Page 6 d. Evaluation of any potential radiation hazard that may have been identified by the State or County Health Departments No potential radiation hazards have been identified by the State or County Health Departments. GRG will address and mitigate any radiation hazard when and if they are identified by the State or County Health Departments. 4-203.G.(9) Nuisance An acoustic modeling and sound impacts analysis was performed for the HMCS by ATACO Emissions Management using industry accepted Cadna/A sound modeling software. The findings of this analysis are detailed in the report dated September 30, 2013 and included noise contours of two operating scenarios. The first scenario is with one bank of four (4) Cat G3516 units (Unit #1-#4) and one (1) Cat G3616 unit (Unit #8) running at full load. The second scenario consists of seven (7) Cat G3516 units (Unit #1-#7) and one (1) Cat G3616 unit (Unit #8) operating at full load. In both scenarios, acoustic mitigation consists of acoustic building(s), acoustically mitigated powered ventilation systems, engine exhaust silencers, as well as cooler inlet/discharge silencers and acoustical barriers. The summary findings of this study indicate the facility will fully accommodate the Colorado Oil and Gas Conservation Commission (COGCC) Section 802 Aesthetic and Noise Control Regulations for sound output of 50dbA (or less) 350’ from the noise source. Please see the Sound Study section of this application submittal for additional information. No vapor or smoke issues are anticipated to occur in relation to the compressor station due to the units being powered by overhead electrical lines. No vibration will be generated beyond the immediate location of the compressor station. All equipment will be painted to match the natural surroundings so there will be no glare issues associated with the use. GRG will address all dust issues as detailed in the Fugitive Dust Control Plan included in this submittal. No other potential nuisance issues associated with the compressor station are anticipated. 4-203.G.(10) Hours of Operation The facility is located in an isolated rural part of Garfield County, therefore the likelihood of this use having a negative impact on surrounding land use does not exist or is very low. The facility will be operated 24 hours per day. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Traffic Study Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 BASIC TRAFFIC STUDY GRAND RIVER GATHERING LLC HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO OA Project No. 013-1964 September 2013 826 21 ½ Road | Grand Junction, CO 81505 | 970.263.7800 | Fax 970.263.7456 INTRODUCTION & OBJECTIVE This document summarizes findings of a Basic Traffic Study performed for an existing compressor station located on County Road 304 (CR 304) in Garfield County, Colorado. The site is just southwest of Parachute, CO. CR 304 transitions to a private access road owned and maintained by Encana which continues on to the site. It will be used as the primary roadway to access the site. A vicinity map, Figure 1, is included in Appendix A. While this compressor station access is in use, Olsson’s data gathering toward preparation of this analysis did not determine if an access permit has ever granted by the Garfield County Road and Bridge Department. The land use for the existing access will remain the same and the site is not expected to generate additional traffic than what currently exists. The existing site generates a small contribution of trips to the average daily traffic; a maximum of 1 daily trip during operation and 5-14 daily trips during reclamation. However, because this access was never permitted, the assessment was performed as if this were a new access location. The site currently exists as a compressor station. Through the life of the project, trips will be removal of material as well as regular inspections of the site operations. Activity at the compressor station will consist of two phases over approximately 30 years. These phases include Operation (30 years) and Reclamation (14 days). This assessment will discuss traffic volume increase for the Operation and Reclamation phases. This Basic Traffic Study is being performed in accordance with requirements outlined in Chapter 4 of the Garfield County Unified Land Use Resolution (2008). It will discuss existing and proposed land uses and trip generation, as well as relevant county permitting. EXISTING NETWORK Direct access to this compressor station is from CR 304 and a private road system. Due to the nature of the land use, multi-unit trucks will be traveling to and from the site irregularly to deliver and haul away material. Trips will originate from I-70, travel north/south along Highway 6/24, turn southeast along CR 300, and then finally turn east onto CR 304. All of these roads are expected to see regular site traffic. A summary of the roadway characteristics is shown below in Table 1. Table 1: Existing Roadway Characteristics Roadway Section Surface Roadway Width Auxiliary Lanes Posted Speed Functional Classification CR 304 2-Lane Unpaved1 20-25 feet No 25 mph Local CR 300 2-Lane Asphalt 22-24 feet No 25 mph Local HWY 6/24 2-Lane Asphalt 26 feet Yes 50 mph R-A 1. Transitions to asphalt approximately 70 feet before intersection. EXISTING PARCELS Current land uses for parcels along CR 304 are primarily development related to natural gas production. The majority of existing traffic is related to natural gas development activities. Land use in the area adjacent to the site is public lands north of the site, rural lands east of CR 304 and public lands south of the site. The site itself is zoned Rural. Note that the truck route originates in an area that is surrounded by development primarily related to natural gas production. No additional access to state highways or railroad crossings will be required. BACKGROUND TRAFFIC Existing traffic counts are available for both the county roads and the state highway. Traffic data for the county roads was obtained from the County Road Traffic Statistics. These counts are from 2002 and are the most recent available counts for the area roads. Traffic data for Highway 6/24 is available on the CDOT Online Traffic Information Systems (OTIS). This data was used to find current and horizon year ADTs on Highway 6/24. To provide a current estimation of traffic volumes, it was necessary to adjust volumes to the current values. With traffic from natural gas production in the recent past, traffic growth has been highly irregular. For example, historic traffic counts on OTIS show a sharp increase in traffic in 2004, and then a steady decrease to present volumes. Despite the varying traffic growth over the past decade from 2002 to present day, volumes have realized a total increase between 3% and 5% annually. This was determined by reviewing CDOT historic counts on state highways. Furthermore, the CDOT OTIS provides future growth data on Highway 6/24 that shows approximately a 4% annual growth rate for its roadways in the area. Therefore, a 4% annual growth rate was used to increase all roadway volumes. Existing and future traffic data for State Highway 6/24 from the CDOT OTIS is included in Appendix B. Average Daily Traffic Volumes are shown in Figure 2 found in Appendix A. TRIP GENERATION & DISTRIBUTION The site’s land use will remain the same; therefore the known site trips were used. Table 2 summarizes the existing average and maximum trips for each phase discussed previously. Table 2: Trip Generation Phase Average Trips/Day (PCE) Maximum Trips/Day (PCE) Peak Hour Trips AM Peak Hour PM Peak Hour Operation 2 6 1 1 Reclamation 4 18 2 2 For the Reclamation phase, it is assumed that all pickups enter during the AM peak and exit during the PM peak to coincide with workers arriving and leaving, respectively. For the Operation phase, there are not expected to be full-time staff, so trips from pickups are assumed to be distributed throughout the day. It is also assumed that entering and exiting heavy trucks will be distributed throughout the work day. It should be noted that a single 105,000-pound crane will travel to and from the site once during the Reclamation phase. This crane will exceed the limits of an annual overweight permit as defined by the Garfield County Road and Bridge Department. This constitutes a truck with a gross vehicle weight between 100,000 pounds and 200,000 pounds. Greater than 200,000 pounds is considered an “Extra-Ordinary” weight. Therefore, a Single-Trip Overweight Permit must be acquired for the crane to be delivered. SIGHT DISTANCE ANALYSIS Using information gathered from a site visit and aerial photography, sight distance was examined for the intersection of CR 300 and CR 304. For CR 300, with posted speed limit of 25 mph, sight distance requirements for stopping sight distance along the roadway and intersection sight distance for the access are summarized in Table 3 below. Values are calculated using the AASHTO Policy on Geometric Design of Highways and Streets (Green Book). There are no stated adjustments for truck stopping sight distance as there are many factors that both increase and reduce sight distance needed for a truck. Table 3: Sight Distance Condition Required, ft Passenger Single-Unit Multi-Unit Stopping, Northeast bound1 60 90 115 Stopping, Southwest bound1 60 90 115 Intersection, Case B12 280 350 425 Intersection, Case B22 240 315 390 1. Stopping sight distance for trucks calculated using an assumed deceleration rate 7.5 ft/s² and 6.0 ft/s² 2. Distances looking east/west The available intersection sight distance for a multi-unit truck at the site drive is meets the minimum desired distance. There is, also, adequate stopping sight distance along CR 300 for the same design vehicle. CONCLUSIONS & RECOMMENDATIONS Use of the transition (access) from CR 304 to the private road owned and maintained by Encana should be examined for compliance with Chapter 4 of the Garfield County Unified Land Use Resolution (2013) with the intent of securing a permit. Results of a sight distance analysis indicate there is adequate entering sight distance at the intersection of CR 304 & CR 300 and stopping sight distance approaching CR 304. CR 304 ends approximately 1.5 miles from its intersection with CR 300, wherein the roadway becomes a private access road traveling to the site. Based on information available at this time, the use for the access is expected to be adequate for the proposed use as a compressor station. The site drive will realize a no increase, as this site is currently in use. Throughout the life of the facility, there is expected to be a low number of trucks accessing the site. A Single Trip Overweight Permit will be required for a single crane delivery during the Reclamation Phase. APPENDIX A ' ~ ' =:i 9 .:.' !.!..,~ LEGEND -County Road/State Highway -Private Access Road -Interstate Highway High Mesa Compmssor stabon Gar5eld County, CO N18 CRJ09 ................. · .. I I I I I I I Daybreak Realty, LLC J / _. - L --: // BLM I I I I I -----1 Site-f -- -'"-"="'-----=--\1., / Drive \ ·.,,.. f ~' Site '--"> ... 1 I / ...-/ : '--__:,,,"' I ---RoacftOC R 304 Klebolb : ..,... / A.~ss Larry A & j r-j Karen K. 1 ../ / 1 --.............. I 1 1 c-______ B~-M ---------1 ~ I I I I I BLM ·&~~ ~~~r-0\--0-l_S_S_O_N _______________ Fl-G -UR_E____. Vicinity Map ASSOCIATES 1 ' ~ ' =:i 9 High Mesa Compmsor stabon Gar5eld County, CO LEGEND ---County Road/State Highway ---Interstate Highway -Private Access Road 1 xxx 1 -2013 Average Dai lyTraffic I xxx I -Average Daily Traffic Construction/Reclamation CR309 .:.' ~..,a! o~~!--~~~~~~--,~~~~~~~~~~~~~~~-.~~~~--, ~~~ O\oLSSON Average Daily Traffic Volumes FIGURE ASSOCIATES 2 APPENDIX B ProjectedYear stationId Route BegRef EndRef Aadt Year PctTrucks Dhv desc ProjectedAadt 2013 100395 006M 74.875 75.042 2600 2011 9.5 12 ON SH 6 1ST ST SW/O PARACHUTE AVE PARACHUTE 2816 2013 100396 006M 75.042 75.212 2600 2011 9.2 12 ON SH 6 1ST ST NE/O PARACHUTE AVE PARACHUTE 2816 2013 100397 006M 75.212 88.895 4800 2011 11.7 12 ON SH 6 1ST ST SW/O PARACHUTE CREEK RD CR 215 PARACHUTE 5198 CDOT OTIS Data ‐ Future Traffic for Parahute Area 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Water Supply and Distribution Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com SUMMIT MIDTREAM PARTNERS/ GRAND RIVER GATHERING HIGH MESA COMPRESSOR FACILITY WATER SUPPLY AND DISTRIBUTION PLAN LUDC 4-203.M. Water Supply and Distribution Plan. The Summit Midstream Partners (Summit)/Grand River Gathering (GRG) High Mesa compressor facility does not require potable water source for personnel or freshwater for sanitary facilities, landscaping or day to day operations of the facility. The operations of the facility will be similar to other natural gas operations in relatively remote areas of Garfield County. No potable water will be provided at this facility. The proposed use is an unmanned facility with personnel onsite only for short intervals. Personnel provide their own potable water carried in their vehicles. Summit/GRG makes potable water available at their local office to staff and contractors. Sanitary facilities will not require a source of water and will be provided by portable toilets located at numerous sites in the field per OSHA standards. Landscaping is not being proposed and a water system is not required to maintain any plantings. The compressor facility does not have a demand for water in its daily operation. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Wastewater Management and System Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com SUMMIT MIDTREAM PARTNERS/ GRAND RIVER GATHERING HIGH MESA COMPRESSOR FACILITY WASTEWATER MANAGEMENT AND SYSTEM PLAN LUDC 4-203.N. Wastewater Management and System Plan. The operations of the facility are similar to other natural gas operations in relatively remote areas of Garfield County. Staff will not be assigned to the facility on a regular basis. Personnel will be at the facility only for short periods of time. Workers will be providing facility maintenance and inspections. No permanent sanitation facilities will be required to accommodate operation of the facility. If necessary, human generated wastes will be accommodated by portable toilets on the facility and/or will be provided by portable toilets located at numerous sites in the field per OSHA standards. Sanitary facilities will not require a source of water. All wastes will be hauled to a licensed treatment facility. If requested, a “Will Serve” letter can be provided to the Garfield County Planning Department documenting the maintenance of these sanitary facilities. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Standards Analysis Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Grand River Gathering, LLC. High Mesa Compressor Station (HMCS) Standards Narrative Division 1 General Approval Standards for Land Use Change Permits SECTION 7-101. ZONE DISTRICT USE REGULATIONS The project site is located within the Rural (R) zone district. Section 3-402 Table: Rural, Residential, Commercial and Industrial Zone District lists Compressor/Pipeline Pump Station not subject to Article IX review as a use permitted in the R district that requires a Limited Impact Review. The aforementioned information was obtained from the Garfield County Unified Land Use and Development Code, effective date July 15, 2013.. SECTION 7-102. COMPREHENSIVE PLAN AND INTERGOVERNMENTAL AGRE EMENTS The High Mesa Compressor Station (HMCS) generally conforms to the Garfield County Comprehensive Plan. The Future Land Use Map from the Comprehensive Plan illustrates the subject property as Residential High (RH). The existing use is not within an area governed by an intergovernmental agreement. The following sections of the Garfield County Comprehensive Plan apply to the HMCS and further substantiate that Compressor Stations located in appropriate areas of Garfield County are in compliance with the Comprehensive Plan: Vision - Mineral Extraction Resource extraction, including oil and gas development, has been encouraged to operate in the county due to the contribution the industry makes to the county’s overall goal of having a diverse and stable economy. While resource extractive industries are welcomed in the county, they are expected to mitigate negative impacts that result from their operations. Issue Garfield County has significant mineral resources that have, and will continue to have, a considerable benefit to the economic health of the county. Goal 1. Ensure that mineral extraction is regulated appropriately to promote responsible development and provide benefit to the general public. Policy 4. Facilities that are appurtenances to oil/ gas development activities (compressors, etc.) are considered appropriate in all land uses so long as they meet the respective Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 2 mitigation requirements of the ULUR to maintain compatibility with surrounding land uses. This submittal goes into great detail in the various reports and narratives as to how the use of this compressor station will operate in an environmentally responsible fashion. The importance of the oil and gas industry to the economic health of the Garfield County economy is noted in the aforementioned Vision, Issue, Goal and Policy statements taken from the Comprehensive Plan. The proposed Compressor Station is needed by Grand River Gathering (GRG) to assure that natural gas can be moved from source to consumer. The economic benefits provided by GRG and other oil and gas operators are clear from the many investments made in communities and other community benefits derived from the industry. SECTION 7-103. COMPATIBILITY The existing HMCS is compatible with the agricultural and industrial (e.g. natural gas operations) uses on the subject parcel and adjacent properties. The compressor station does not and will not interfere with existing land uses in the surrounding area. The operator is not aware of any complaints from local residents related to operation of the existing compressors. GRG will implement needed mitigation measures if compatibility issues arise in the future. SECTION 7-104. SOURCE OF WATER A source of potable water will not be required for workers utilizing the site. This facility is not manned on a regular basis and does not require a water distribution and wastewater system to properly function. Workers will provide their own potable water in their trucks. Potable water is made available at GRG’s local office for personnel and contractors. A source of water is not required for the operation of the facility. Portable toilets located onsite and throughout GRG’s holdings will be used to accommodate GRG staff and contractors. All wastes will be hauled to a licensed treatment facility. Water will not be required for landscaping since no landscaping is proposed at this site. Therefore operation of the facility will not place demands on local water resources. SECTION 7-105. CENTRAL WATER DISTRIBUTION AND WASTEWATER SYSTEMS This facility does not and will not require potable water and wastewater will not be generated by the facility. This is an unmanned facility, so there will not be a need for potable water. However, a portable toilet is proposed to be located on-site for regular maintenance inspectors. Water Distribution System As stated above, the proposed facility will not require a source of water or a central water distribution system. A. Wastewater System As stated above, the proposed facility will not require a centralized wastewater system. Portable toilets located onsite and throughout GRG’s holdings will be used, and wastes will be hauled to a license disposal facility. SECTION 7-106. PUBLIC UTILITIES The existing compressor station is powered by electricity provided by existing overhead power lines, which is illustrated on the site plan. No other public utilities will be utilized. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 3 SECTION 7-107. ACCESS AND ROADWAYS No new accesses or auxiliary lanes onto a County or State roadway will be required as indicated in the Traffic Study. The existing private roadway has been constructed to limit erosion and dust. The roadway to the HMCS will be utilized by no more than one (1) light vehicle per day or seven (7) light vehicles per week for maintenance and monitoring purposes and the operation of the facility. No new roads are proposed to accommodate the existing compressor facility. Access to the subject property and the HMCS is from County Road 304, a public right-of-way, and a private roadway. The existing roadway and access are adequate for the anticipated low traffic volumes (see Basic Traffic Analysis section). A Road Access Map (R-1) and details related to the roadway access for this facility accompany this submittal in in the Access Documents section of this submittal. Additionally, the ALTA/ACSM Land Title Survey, located in the Site Plan section of this submittal, further illustrates and provides legal descriptions of the access easement to the HMCS. Dust from the private roadways will be mitigated as appropriate in accordance with the attached Fugitive Dust Mitigation Plan (included in this submittal). A. Access to Public Right of Way The site is accessed from County Road 304 and a series of private roads that are maintained for the use of the natural gas industry. B. Safe Access The private road system was designed and built to provide access to the natural gas operations in the area and is not designed for typical public use. The roadway is constructed of gravel and native materials and is treated with a dust palliative as needed. This roadway provides a safe access to the site for the applicant. B. Adequate Capacity The proposed facility will generate little traffic, and the current road system has adequate capacity to support the use. See Traffic Analysis included with this application for additional details. SECTION 7-108. USE OF LAND SUBJECT TO NATURAL HAZARDS The existing facility is situated on High Mesa at elevations ranging from 5,925 to 5,975 feet above sea level and is located approximately 3 miles south of Parachute, Colorado. According to the information provided by Garfield County, Colorado - GIS Department pertaining to the location of the HMCS, the overall geologic and soil hazards appear to be, minor slope hazard, and low for soil hazards. However, the topography in the actual area where the Compressor Station is located is relatively flat. Additionally, there are no risks from such natural hazards as falling rock, landslides, snow slides, mud flows, or flooding. We have been in contact with the Garfield, County GIS department trying to obtain more detailed slope information. Olsson Associates has obtained a copy of the information utilized in drafting the Garfield County slope hazards map but there are no percent slopes delineating the various degrees of slope hazards listed in these data. A review of the site plan clearly indicates that the slopes within the project area do not present a hazard to the existing HMCS. According to the information provided by Garfield County, Colorado - GIS Department on slope hazards, the proposed facility lies outside the boundary of the geologic study. As depicted on the attached Slope Hazards Map (SH-1), the location for the proposed facility is not within any Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 4 identified slope hazard areas. According to the Garfield County GIS data, the nearest slope hazard area exists approximately 1.5 miles northwest of the HMCS. SECTION 7-109. FIRE PROTECTION GRG will make their Emergency Response Plan available to the appropriate fire protection district. If requested, GRG will provide direction to the appropriate fire protection district for this facility. DIVISION 2. GENERAL RESOURCE PROTECTION STANDARDS SECTION 7-201. AGRICULTURAL LANDS A. No Adverse Effect to Agricultural Operations The facility has not and will not adversely impact agricultural operations that are conducted on the subject property or adjacent lands. The opportunity for surrounding property to be utilized for agricultural production will be maintained. B. Domestic Animal Controls No domestic animals will be kept onsite so therefore this section of code does not apply. C. Fences The facility has not and will not generate a potential hazard to domestic livestock or wildlife. No open storage of hazardous material will occur onsite. The HMCS site is fenced in order to reduce impacts to agricultural operations within the area and protect the facility from possible livestock damage. All fencing and gates will be maintained by GRG. D. Roads An existing private access road is being utilized; additional roads will not be required (see ALTA/ACSM Land Title Survey located in the Site Plan section of this submittal). The existing access road is located a sufficient distance back from the property boundaries so that normal maintenance on roads, including snow removal, will not damage any boundary fences. Dust control will continued to be managed through GRG’s Fugitive Dust Mitigation Plan which is designed to minimize any adverse impacts to livestock and crops. E. Irrigation Ditches The HMCS site is already developed, so no change will occur that will impact irrigation ditches. All rights-of-way and maintenance easements will be preserved. There are no irrigation ditches on or immediately adjacent to the subject property; therefore, there will be no impact caused by the continued operation of this existing facility. SECTION 7-202. WILDLIFE HABITAT AREAS The Wildlife Assessment has been prepared by professional biologists working for WestWater Engineering and has concluded that the facility will not create a significant hazardous attraction to avian or mammalian wildlife species, block migration routes, or cause a change in habitat use. No impacts to federally listed or locally significant plants or animals are anticipated. Noxious weeds will be removed as applicable on site. During the reclamation phase, the property will be reseeded and regraded to predisturbance levels. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 5 A. Buffers The subject property is located in a rural part of Garfield County. All machinery and equipment have been painted to match the surrounding environment. There is an existing fence that encloses the area and keeps most fauna out of the site. B. Locational Controls of Land Disturbance The HMCS site is already developed, so wildlife will not be forced to use new wildlife migration corridors as a result of the compressor station. Posted speed limits are low ranging from 15 to 20 mph and maintaining these low speed limits should prevent vehicle collisions with wildlife. This is an unmanned facility, so there will not be continuous human activity which could disturb the wildlife in the area. C. Preservation of Native Vegetation 1. Vegetation Utilized by Wildlife – There will be no change or expansion of this existing land use so vegetation utilized by wildlife will not be further impacted. 2. Removal and Replacement of Native Vegetation – This is an existing compressor station, so no further removal of native vegetation will take place. Revegetation of disturbed areas surrounding the compressor consists of a combination of native and non-native grasses. Some shrub species have become established. The biologist with WestWater Engineering noted that the current revegetation efforts and current weed management strategies appear to be adequate. 3. Removal of Noxious Weeds – As noted in the WWE report the current weed management strategies appear to be adequate. D. Habitat Compensation The HMCS occupies a very small footprint of 3.31 acres with approximately 1.84 acres of flora being removed from the site for the compressor station (as noted in the WWE report). No expansion or additional impact to the surrounding habitat is anticipated. Therefore, the need to acquire and permanently protect existing habitat to compensate for habitat lost to development is not warranted. E. Domestic Animal Control There will be no domestic animals kept onsite, and the property is fenced to keep animals off of the compressor site. Additional domestic animal controls are not warranted. SECTION 7-203. PROTECTION OF WATERBODIES The operator will continue to operate the facility and associated activities according to industry best management practices and GRG’s standard operating procedures in order to maintain the required buffer between the disturbed area and the natural vegetation and waterways. Best Management Practices (BMPs) will be utilized to ensure the continued protection of water bodies from stormwater runoff during construction and operation of the facility. Specific BMPs that could be employed to control stormwater runoff include one or more of the following: straw wattles, straw bales, silt fencing or check dams. Additionally, the proposed project is covered by the enclosed Spill Prevention, Control and Countermeasures Plan (SPCC). GRG’s SPCC was prepared in accordance with 40 CFR 112.7 and 112.9 and is included in this submittal). Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 6 All hazardous materials will be stored and used in compliance with state and federal regulations governing hazardous materials. Secondary containment will be utilized where it is required. Additionally, there are no waterbodies in or near the project area. GRG is committed to the prevention of discharges of oil to the environment, including navigable waters and groundwater, and maintains the highest standards for spill prevention control through regular review, updating and implementation of this SPCC plan. A. Minimum Setback There are no wetlands or waterbodies located near the site, so the minimum setback of thirty-five (35) feet from a waterbody is not applicable. B. Structures Permitted In Setback The HMCS site has already been built. All needed water diversion facilities and flood control structures are illustrated on the site plan that is submitted with this Limited Impact Review application. C. Structures and Activity Prohibited in Buffer Zone Due to no waterbodies or wetlands being located within or immediately adjacent to the HMCS site, sections a, b, c, and d of the LUDC are not applicable. SECTION 7-204. DRAINAGE AND EROSION The site is an existing disturbed surface area. No additional surface disturbance is planned. BMPs will be used to protect waterbodies from stormwater runoff during the operation of this facility as necessary. The existing HMCS is not within 100 feet of a waterbody, and the development creates less than 10,000 sq. ft. of impervious surface area. The total impervious surface is approximately 5,995 square feet including building area of 2,600 square feet and compressor skid area of 3,390 square feet. The existing facility has been included in GRG’s area wide or Master Stormwater Management Plan. Best Management Practices (BMPs) will be utilized to ensure the continued protection of waterbodies from stormwater runoff during any construction activities and operation of the facility. The Master Stormwater Management Plan for the South Parachute Unit is included with this application and covers all potential soil disturbance activities associated with the facility. Lots are not proposed as part of this land use application for the existing HMCS. Because of the small size of the existing project footprint, the site will not create any impacts to existing drainage patterns. Drainage calculations were utilized for the construction of this existing compressor station site. The site plan illustrates positive sheet flow from the northeast corner to the southwest corner as illustrated on the site plan. Positive drainage flow has also been achieved for the onsite existing buildings. There are culverts in place running underneath the access drives. A stormwater retention pond is located in the southwestern corner of the site. This site is covered by GRG’s Master Stormwater Management Plan for the South Parachute unit. A copy of the Master Stormwater Management Plan for the South Parachute Unit is included this submittal. The existing HMCS will not impact natural drainage patterns. No changes to the existing facility are being proposed. When the facility was constructed both onsite and offsite drainage was assessed, proper engineering controls and stormwater BMPs have been implemented in the development and operation of the existing HMCS facility. No evidence of erosion or sediment damage is evident at the facility. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 7 SECTION 7-205. ENVIRONMENTAL QUALITY A. Air Quality This facility will not cause air quality to be reduced below acceptable levels established by the Colorado Air Pollution Control Division and will comply with appropriate Colorado air emissions permitting regulations (as applicable). The facility will maintain air quality above acceptable levels established by the Colorado Air Pollution Control Division. The HMCS is already serviced by overhead electrical lines, so a CDPHE Air Construction and Operating Permit is not required for power generation. A copy of the CDPHE air permits for equipment requiring permits are included in the Air Quality section of this submittal. B. Water Quality This facility will be operated in compliance with all applicable State and Federal hazardous material regulations. Implementation and adherence to GRG’s Stormwater Management Plan (SWMP) BMPs and SPCC will assure that water quality is protected. There will be no hazardous materials stored at this proposed site. SECTION 7-206. WILDFIRE HAZARDS A. Location Restrictions A review of the Garfield County GIS maps has been conducted. The Garfield County Wildfire and the Colorado Wildfire Assessment Maps available on the Garfield County website have been reviewed. From the available data, it appears that the existing compressor station is located within an area designated as low to low moderate wildfire hazard. The existing compressor station does not appear to be located in an area of severe wildfire hazard and onsite slopes are less than 30%. B. Development Does Not Increase Potential Hazard This is an existing compressor station so no new development is taking place. There is little vegetation onsite that could provide fuel for a wildfire, but the chance of a grassland fire does exist as it does for most development within Garfield County. C. Roof Materials and Design All roofs and materials used to construct roofs of the onsite existing structures have been reviewed and approved by the Garfield County Building Department. SECTION 7-207. NATURAL AND GEOLOGIC HAZARDS The existing facility is situated on High Mesa at elevations ranging from 5,925 to 5,975 feet above sea level and is located approximately 3 miles south of Parachute, Colorado. According to the information provided by Garfield County, Colorado - GIS Department pertaining to the location of the HMCS, the overall geologic and soil hazards appear to be minor slope hazard, and low for soil hazards. However, the topography in the actual area where the Compressor Station is located is relatively flat. Additionally, there are no risks from such natural hazards as falling rock, landslides, snow slides, mud flows, or flooding. We have been in contact with the Garfield, County GIS department trying to obtain more detailed slope information. Olsson Associates has obtained a copy of the information utilized in drafting the Garfield County slope hazards map, but there are no percent slopes delineating the various degrees of slope hazards listed in these data. A review of the site plan clearly indicates that the slopes within the project area do not present a hazard to the existing HMCS. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 8 According to the information provided by Garfield County, Colorado - GIS Department on slope hazards the proposed facility lies outside the boundary of the geologic study. As depicted on the attached Slope Hazards Map (SH-1), the location for the proposed facility is not within any identified slope hazard areas. According to the Garfield County GIS data, the nearest slope hazard area exists approximately 1.5 miles northwest of the HMCS. The best available data and maps provided by Garfield County have been reviewed and assessed for this application. The data and maps have been produced as a result of the 1978 Lincoln-Devore Geologic Hazards Identification Study. No other hazards have been observed by GRG. A. Utilities None of the utility facilities serving this site are located in Hazard Areas. B. Development in Avalanche Hazard Areas The site is not located in an area subject to significant avalanche hazards. C. Development in Landslide Hazard Areas The site is not located in an area subject to significant landslide hazards. D. Development in Rockfall Hazard Areas The site is not located in an area subject to significant rockfall hazards. E. Development in Alluvial Fan Hazard Area The site is not located in an area subject to significant alluvial fan hazards. F. Slope Development The site is not constructed in an area with slopes of 20% or greater. G. Development on Corrosive or Expansive Soils and Rock According to the Natural Resources Conservation Service (NRCS), the soils on the site have moderate corrosion of steel characteristics and low corrosion of concrete characteristics. H. Development in Mudflow Areas The site is not located in an area subject to significant mudflow hazards. I. Development Over Faults According to the Geohazards Report, there are no major faults in the vicinity of the facility and only minimal seismic activity has occurred near the proposed facility in recent geologic time. SECTION 7-208. RECLAMATION (subsections A and B) GRG estimates that the existing HMCS will be in operation for an anticipated period of approximately thirty (30) years during development and production of GRG’s Garfield County operations. During the reclamation phase, the property will be reseeded and regraded to predisturbance levels. Upon termination of the development and production activities, the disturbed site will be reclaimed, as outlined in the Reclamation Plan provided in this application. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 9 DIVISION 3 SITE PLANNING & DEVELOPMENT STANDARDS SECTION 7-301. COMPATIBLE DESIGN The design of the existing HMCS and all appurtenant equipment and structures are compatible with the surrounding land uses, most of which are oil and gas industry related. The compressor and tanks have been constructed to minimize visibility and placed on the site to maximize their use for the HMCS. Additionally, all buildings have been constructed in compliance with the Garfield County Building Department requirements. A. Site Organization The existing HMCS site has been organized in a way that considers the relationship of the private access roads, parking areas and movement associated with operational employees within the site. Additionally, there will not be a high amount of vehicular or pedestrian traffic associated with this site unmanned facility. B. Operational Characteristics The HMCS is located in a very rural part of the County far away from residential uses. Many controls and mitigation steps have been taken to further lessen any unlikely nuisance issues to the adjacent land uses. The majority of the adjacent land uses are also oil and gas industry related. 1. Objectionable Emissions - All potentially objectionable emissions such as dust, odors, gas, fumes and glare were addressed when this facility was originally constructed. Additionally, CDPHE air permits have been obtained and are included in the Air Quality section of this submittal. 2. Noise - A sound survey was performed at the HMCS by Hoover & Keith, Inc. The findings of the sound survey are detailed in the report dated February 12, 2013. The summary findings of this study indicate potential exceedance of the Colorado Oil and Gas Conservation Commission (COGCC) Section 802 Aesthetic and Noise Control Regulations. GRG is proposing to install mitigation measures (designed by an engineering firm) that will fully mitigate noise impacts and assure adherence to the COGCC code. GRG will conduct a noise impacts assessment and analysis after the mitigation measures are installed in order to confirm compliance with the appropriate regulations. 3. Hours of Operation – The facility is located in an isolated rural part of Garfield County, therefore the likelihood of this use having a negative impact on surrounding land use does not exist or is very low. The facility will be operated 24 hours per day. 4. Roadway System Impacts – The HMCS is an existing facility; no new roads are being proposed due to access to the site and internal site circulation already existing. The HMCS is already constructed, so there are no impacts anticipated to occur to the county roadway system. C. Buffering The adjacent properties and uses are all located in the Rural (R) zone district which is the same zone district that the HMCS is located, therefore this section does not apply. D. Materials All appurtenant equipment and buildings have been painted to blend with the surrounding natural environment. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 10 SECTION 7-302. OFF-STREET PARKING AND LOADING STANDARDS (subsections A, B, C, D, E, F, G, H, I, J, K, L, M, & N) Adequate parking will be made available to accommodate GRG personnel during regular operation, inspection and maintenance of the facility. All activities on this site will be conducted out of any public right-of-way. SECTION 7-303. LANDSCAPING STANDARDS No landscaping is proposed for the existing HMCS. SECTION 7-304. LIGHTING STANDARDS Lighting has been installed which meets the requirements set forth in Section 7-304 of the Garfield Land Use code for downcast, shielding, flashing, hazardous and height limitations lighting. A. Downcast Lighting Any lighting will be directed inward, towards the interior of the site. B. Shielded Lighting Any exterior lighting will be shielded to not shine directly onto other properties. C. Hazardous Lighting Light from the site will not create a traffic hazard or be confused as traffic control devices. D. Flashing Lights The facility will not contain flashing lights. E. Height Limitations There will be no light sources exceeding 40 feet in height on the site. SECTION 7-305 SNOW STORAGE STANDARDS If appropriate, snow accumulations will be stored in a vacant section of the existing disturbed area. The site has been graded to accommodate snowmelt and to ensure and sufficiently drain as the snow melts. There is not a great deal of impervious surface or a need to park a large number of vehicles associated with the site. There is sufficient vacant land within the site to meet the 2.5% of the total site area required to meet the snow storage requirement. This is not a manned site, so there is no formal off-street parking areas developed for the existing HMCS. SECTION 7-308 TRAIL AND WALKWAY STANDARDS (SUBSECTIONS A, B & C) The proposed site is located in a rural and remote area of Garfield County. The site is within a large property and only accessible via a private road system. A connection to public facilities is not appropriate or feasible. Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 11 DIVISION 10. ADDITIONAL STANDARDS FOR INDUSTRIAL USES SECTION 7-1001. INDUSTRIAL USE A. Residential Subdivisions This site is not located in a platted residential subdivision. B. Setbacks This site is located in a large parcel and is more than 100 feet from an adjacent residential property line. C. Concealing and Screening This site is located in a large and remote parcel. Screening from dissimilar uses in the area is not required. D. Storing All products will be stored in compliance with all national, State and local codes and will be a minimum of 100 feet from adjacent property lines. E. Industrial Wastes All industrial wastes will be disposed of in a manner consistent with Federal and State statures and requirements of the CDPHE. Industrial waste will be disposed according to Federal, State, and Local regulations. F. Noise Noise output from the facility will not exceed COGCC noise standards. G. Ground Vibration This facility will not generate ground vibrations perceptible beyond the boundary line of the property. H. Interference, Nuisance, or Hazard Via the implementation of engineering controls and operational maintenance, the facility will not emit heat, glare, radiation or fumes which would substantially interfere with the existing use of adjoining property or constitute a public hazard. The facility will comply with all applicable Federal, State, and Local regulations Grand River Gathering LLC High Mesa Compressor Station Standards Analysis Page 12 THIS PAGE LEFT BLANK FOR TWO-SIDED DUPLICATION. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Waivers Request Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com GRAND RIVER GATHERING LLC HIGH MESA COMPRESSOR STATION WAIVER REQUESTS Pursuant to Section 4-202 of the Garfield County Unified Land Use Resolution, Grand River Gathering LLC (GRG) requests a waiver for the submittal requirement of a Development Agreement andan Improvements Agreement for the High Mesa Compressor Station. Section 4-203.J. Development Agreement A waiver request shall be considered based on the following criteria: 1. The Applicant shows good cause for the requested waiver; Response: GRG wishes to neither propose a phasing schedule or extend establishment of vested property rights. 2. The project size, complexity, anticipated impacts, or other factors support a waiver; Response: The facility already exists and is in operation. 3. The waiver does not compromise a proper and complete review; and Response: The LIR request can be properly and completely reviewed without a development agreement. 4. The information is not material to describing the proposal or demonstrating compliance with approval criteria. Response: A development agreement is not material to describing the purpose, operation and maintenance of the facility or demonstrating compliance with applicable approval criteria. Section 4-203.K. Improvements Agreement A waiver request shall be considered based on the following criteria: 1. The Applicant shows good cause for the requested waiver; Response: No public improvements are being proposed that would warrant the creation of an improvements agreement. 2. The project size, complexity, anticipated impacts, or other factors support a waiver; Grand River Gathering LLC High Mesa Compressor Station Waiver Requests Page 2 Response: As stated above no public improvements are being proposed with this request. 3. The waiver does not compromise a proper and complete review; and Response: The application can be properly and completely reviewed without an improvements agreement. 4. The information is not material to describing the proposal or demonstrating compliance with approval criteria. Response: An improvements agreement is not material to describing the purpose, operation and maintenance of the facility or demonstrating compliance with applicable approval criteria. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Stormwater Management Permit Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 STATE OF COLORADO John W . Hickenlooper, Governor Christopher E. Urbina , MD , MPH Executive Director and Chief Medfcal Officer Dedicated to protecting and improving the health and environment of the people of Colorado 4300 Cherry Creek Dr. S . Laboratory Services Division Denver. Colorado 80246-1530 8100 Lowry Blvd. Phone (3 03) 692-2000 Denver , Colo rado 60230 ·6928 located 1n Glendale, Colorado (303) 692·3090 http://www.cdphe .. s1a1e.co.us J une 2 1, 20 12 Steve Newby, Pres Grand River F athering LL C 21 00 M c.Kinney Ave Ste 1250 D all as, TX 75201 RE: Renewal of Permit/Certification Administrative Continuation For: South Parachute Field Located at: CR 301 & CR 302 , Par ac hute, Garfield County Permit No.: COR031862 D ear Mr. Newby; Colorado Department of Public Heal th a nd Environmen t The Div ision h as received au app lication to renew the above pennit/certification. It bas been determined t hat there is suffici e nt inform ation to make thi s pe rmi t/certification el igibl e for ren ewal. More in fo nnation may be requested by the rnvis ion as progress i s m ade in developing a new permit/certificat ion for the above li st ed fac ili ty. This in formation mus t be m ade available to the Division when reques ted to complete the permit process. The Di vision is curre nt ly in the process of deve lopin g a new pennit or m aster general perm it a nd associ ate d certification for the above permitted fac ility. The developm ent and r eview procedures required by law ha ve not yet been compl eted. When th e di scha rge permit issued to you fo r your facility expired on June 30, 2012 you r pennit is admini strative ly continued and re m ains in effectw1de r Sectio n 104(7) of the Adm inistrative Procedu res Act, C.R.S. 1973, 24-4-10 I , et seq (19 82 rep I. vol. I 0) unti l the new permit/ce1tification is issued and effective. All effluent pe1111it tenns and condi tions in yow· cutTen t permit will rem a in in effect until you r new perm it/ce1t ification is issued a nd effective . PLEASE KEEP THIS LETTER WlTH YOUR PERMIT AND SWMP TO SHOW CONTll~UATION OF PERMIT COVERAGE. Sin cere ly, ,fl1;#J~ 7 Debb ie Jessop Pe rmits Section WATER QUALITY CONTROL DIVT S ION xc: Pe rmit F ile CERTIFICATION TO DISCHARGE UNDER COPS GENERAL PERMIT COR-0300000 STORMWATER ASSOCIATED WITH CONSTRUCTION ACTIVITIES Certification Number: COR031862 This Certification to Discharge specifically authorizes: Grand River Fathering LLC to discharge stormwater from the facility identified as South Parachute Field To the waters of the State of Colorado, including, but not limited to: Facility Industrial Activity : Facility Located at: Battlement Creek & Others -Colorado River Oil and Gas Production and/or Exploration, CR 301 & CR 302, Parachute Garfield County, CO 81635 Latitude 39.422, Longitude -108.004 Certification is effective: 3/27 /2012 Certification Expires: 6/30/2012 This certification under the permit requires that specific actions be performed at designated times. The certification holder is legally obligated to comply with all terms and conditions of the permit. Signed, Nathan Moore Construction/MS4/Pretreatment Unit Manager Water Quality Control Division Page 1of22 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Reclamation Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 760 Horizon Dr., Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Summit Midstream Partners and Its Subsidiaries Reclamation Plan Project Location and Background Summit Midstream Partners (SMP) and its subsidiaries typically perform reclamation of surface disturbances upon termination of the activities according to the details provided below. All surface features such as, heavy equipment, compressors, tanks, dehydrators, pigging stations, fencing, buildings and any other equipment will be removed. SMP will remove all safety and stormwater BMPs, and other surface objects from the premises. After verifying no impact has taken place or removing and/or remediating any identified impact, SMP will restore the site to pre-facility conditions by recontouring and revegetating the site. Top soil will be redistributed across the site and will be reseeded with an approved seed mix (see attached seed mix recommendation). SMP will monitor the site to ensure that 70 percent of the pre-existing vegetation is achieved, per the requirements of the CDPHE Stormwater Permit for the site. Erosion Control: Cut-and-fill slopes shall be protected against erosion with the use of water bars, lateral furrows, or other measures approved by the authorized officer. Biodegradable straw matting, bales or wattles of weed-free straw or weed-free native grass hay, or well-anchored fabric silt fence shall be used on cut-and-fill slopes and along drainages to protect against soil erosion. Additional BMPs shall be employed as necessary to reduce erosion and offsite transport of sediment. Seedbed Preparation and Slope Reconstruction: Cut and fill slopes will be backfilled and recontoured to a slope of 3:1 – 2.5:1 or less in instances where necessary to match the existing natural contours. Following final contouring, all backfilled or ripped surfaces will be covered evenly with topsoil. Recontouring will form a complex slope with heavy pocking. In areas with slope greater than 3 percent, imprinting of the seed bed will be done as recommended. Final seedbed prep will consist of scarifying/imprinting the topsoil prior to seeding. Imprinting may be in the form of dozer tracks or furrows perpendicular to the direction of slope. When hydro- seeding or mulching, imprinting will be done prior to seeding, unless the mulch is to be crimped into the soil surface. If broadcast seeding and harrowing, imprinting will be done as part of the harrowing. Furrowing may be done by several methods, the most simple of which is to drill seed perpendicular to the direction of slope in a prepared bed. Other simple imprinting methods may include deep hand raking and harrowing, always perpendicular to the direction of slope. All Summit Midstream Partners Reclamation Plan Page 2 compacted areas will be ripped to depth of 18” with max furrow spacing of 2’. Where practicable, ripping will be conducted in two passes at perpendicular direction. Topsoil: Following final contouring, all backfilled or ripped surfaces will be covered evenly with topsoil. Any fill slope, and remaining disturbed, and reclaimed areas will be track walked to aid in revegetation and slope stabilization. In areas that may not have been disturbed during the reclamation process or areas of suspected compaction that will be reseeded, measures will be taken to loosen and spread the topsoil. These measures may include scarifying the soil by racking or harrowing the soil. Seed Mix: The recommended seed mix used for reclamation will be the Pinyon-Juniper Woodland and/or Mountain/Wyoming Big Sage Alkali Shrubland mix derived from the attached table. The specified seeding rate will vary based on the specific seed recipe used, but will generally be greater than 13#/Percent Live Seed (PLS) per acre or greater. Pinyon-Juniper Woodland, Mountain/Wyoming Big Sagebrush Shrubland Common Name Scientific Name Form PLS lbs/acre* Indian Ricegrass Achnatherum [Oryzopsis] hymenoides Bunch 1.9 Galleta Pleuraphis [Hilaria] jamesii Bunch 2.5 Bluebunch Wheatgrass Pseudoroegneria spicata, Agropyron spicatum Bunch 2.8 Slender Wheatgrass Elymus trachycaulus, Agropyron trachycaulum Bunch 3.3 Mutton grass Poa fendleriana Bunch 0.6 Sandberg Bluegrass Poa sandbergii, Poa secunda Bunch 0.6 *Based on 60 pure live seeds (PLS) per square foot, drill-seeded. Double this rate (120 PLS per square foot) if broadcast or hydroseeded. Seeding Procedures: For best results and success, the recommended grass mixture reseeding will be done in late autumn in order to take advantage of natural precipitation for the region. The reseeding rate will be doubled for broadcast application. Preferred seeding method is multiple seed bin rangeland drill with no soil preparation other than simple grading to slope and imprinting and waterbars, where applicable. Alternative seeding methods include, but are not limited to: harrow with just enough soil moisture to create a rough surface, broadcast seed and reharrow, preferably at a 90 degree angle to the first harrow; hydro-seeding (most economical in terms of seed cost); and hand raking and broadcast followed by reraking at a 90 degree angle to the first raking. These are not the only means of replanting the site. However, these methods have been observed to be effective in similar landscapes. The prepared soils will be seeded (weather permitting) no more than 24 hours following completion of final seedbed preparation. The seeding will be conducted by means of drilling the Summit Midstream Partners Reclamation Plan Page 3 prescribed seed at prescribed seeding rate. The seed will be drilled with a common range drill at a depth of 0.25 – 0.5” beneath the soil surface. The seed will be drilled horizontally across the pad faces and perpendicular to the track walking when possible. When slope gradient less than 2.5:1 exists and drilling is not possible from a mechanical and safety standpoint, the soils will be broadcast seeded at twice the prescribed amount. The reseeding will be monitored and reseeded as appropriate until the reclamation standards detailed above are met. Mulch: Within 24 hours of reseeding (weather permitting), hydromulch will be applied to all reclaimed and reseeded surfaces. Areas where the erosion potential is such that biodegradable blankets will be used will not be hydromulched. Weed Control: The operator shall regularly monitor and promptly control noxious weeds or other undesirable plants species as set forth in the Glenwood Springs Energy Office Noxious and Invasive Weed Management Plan for Oil and Gas operators, dated March 2007. A Pesticide Use Proposal (PUP) must be approved by BLM prior to the use of herbicides. Additional: Efforts should be made to leave as much existing vegetation as possible to screen the excavated disturbances. During reclamation, vegetation debris and rocks should be scattered intermittently throughout the corridor to break up color, texture, and form contrasts. Rock shall be placed within intermittent drainages to stabilize the crossings after pipeline installation is completed. Summit Midstream Partners Reclamation Plan Page 4 THIS PAGE LEFT BLANK FOR TWO-SIDED DUPLICATION. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Spill Prevention Countermeasures and Control Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 SPILL PREVENTION CONTROL AND COUNTERMEASURE PLAN HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO GRAND RIVER GATHERING, LLC 2128 Railroad Avenue Rifle, CO 81650 REVISION DATE: April 2012 i TABLE OF CONTENTS Section Page No. SECTION 1.0 MANAGEMENT COMMITMENT CERTIFICATION ............................................................ 1 SECTION 2.0 ENGINEERING CERTIFICATION ...................................................................................... 2 SECTION 3.0 INTRODUCTION ................................................................................................................. 3 SECTION 4.0 GENERAL APPLICABILITY ................................................................................................ 4 SECTION 5.0 SPCC PLAN ADMINISTRATION: §112.3, §112.4, AND §112.5 ........................................ 5 5.1 Requirement to Prepare and Implement an SPCC Plan : §112.3 ...................................... 5 5.2 Amendment of SPCC Plan by Regional Administrator: §112.4 ......................................... 5 5.3 Amendment of SPCC Plan by Owner/Operator: §112.5 ................................................... 6 SECTION 6.0 QUALIFIED FACILITY PLAN REQUIREMENTS: §112.6 ................................................... 7 SECTION 7.0 SPCC PLAN GENERAL REQUIREMENTS §112.7 ........................................................... 8 7.1 General Facility Information ............................................................................................ 8 7.2 General Facility Description ............................................................................................ 9 7.3 SPCC Plan Conformance and Deviations: §112.7(a)(1) and (2) ....................................... 9 7.4 Facility Layout: §112.7(a)(3)............................................................................................ 9 7.5 Oil Storage Capacity: §112.7(a)(3)(i) ............................................................................... 9 7.6 Discharge Prevention Measures: §112.7(a)(3)(ii) .......................................................... 10 7.7 Discharge Drainage Controls: §112.7(a)(3)(iii) .............................................................. 10 7.8 Countermeasures for Discharge Discovery, Response and Cleanup: §112.7(a)(3)(iv) ... 11 7.9 Recovered Materials Disposal: §112.7(a)(3)(v) .............................................................. 11 7.10 Contact List and Notification Phone Numbers: §112.7(a)(3)(vi)...................................... 12 7.11 Reporting and Notification Procedures: §112.7(a)(4) ..................................................... 12 7.12 Oil Spill Response Procedures: §112.7(a)(5) ................................................................. 12 7.13 Discharge Analysis: §112.7(b)....................................................................................... 12 7.14 Spill Containment: §112.7(c) ......................................................................................... 12 7.15 Spill Containment Practicability: §112.7(d) .................................................................... 13 7.16 Inspections, Tests and Records: §112.7(e) ................................................................... 13 7.17 Personnel Training and Discharge Prevention Measures: §112.7(f) ............................... 13 7.18 Security: §112.7(g) ....................................................................................................... 14 7.19 Facility Tank Car and Tank Truck Loading/Unloading: §112.7(h) ................................... 14 7.20 Brittle Fracture Analysis: §112.7(i) ................................................................................ 14 7.21 Applicable Requirements: §112.7(j) ............................................................................... 14 7.22 Qualified Oil-filled Operational Equipment : §112.7(k) .................................................... 14 SECTION 8.0 SPCC PLAN REQUIREMENTS FOR ONSHORE FACILITIES (EXCLUDING PRODUCTION FACILITIES): §112.8 ............................................................................... 15 SECTION 9.0 SPCC PLAN REQUIREMENTS FOR ONSHORE OIL PRODUCTION FACILITIES: §112.9 ......................................................................................................... 16 9.1 Oil Production Facility Drainage: §112.9(b) ................................................................... 16 9.2 Oil Production Facility Bulk Storage Containers: §112.9(c) ............................................ 16 9.3 Facility Transfer Operations, Oil Production Facility: §112.9(d) ..................................... 17 SECTION 10.0 SPCC PLAN REQUIREMENTS FOR ONSHORE OIL DRILLING AND WORKOVER FACILITIES: §112.10 ................................................................................. 18 SECTION 11.0 SPCC PLAN REQUIREMENTS FOR OFFSHORE OIL DRILLING, PRODUCTION AND WORKOVER FACILITIES: §112.11 ............................................... 18 TABLE OF CONTENTS (Continued) ii APPENDICES Appendix A – Certification of the Applicability of the Substantial Harm Criteria Appendix B – Oil Spill Response Procedures (Including Notification Phone Numbers) Appendix C – SPCC Plan Review/Amendment Documentation Appendix D – Facility Information Figure 1 Facility Location Map Figure 2 Facility Diagram Secondary Containment Calculations Appendix E – Inspection Procedures and Records Appendix F – Training Procedures and Records 1 SECTION 1.0 MANAGEMENT COMMITMENT CERTIFICATION Management approval has been extended at a level with authority to commit the necessary resources to implement this Spill Prevention, Control and Countermeasure (SPCC) plan. Pursuant to §112.7(d), this is the written commitment of Grand River Gathering, LLC (GRG) to provide the manpower, equipment and materials required to expeditiously control and remove any quantity of oil discharged that may be harmful to human health and the environment. A copy of this plan shall be maintained by the operator as described herein and will be made available to the EPA Regional Administrator for on-site review during normal working hours. Authorized Management Representative: Signature: Name: Mike Rose Title: Director, Engineering, Construction and Operations Date: SECTION 2.0 ENGINEERING CERTIFICATION Pursuant to §112.3(d) and by means of this certification , I attest that: I am familiar with the requirements of the SPCC rule ( 40 CFR 112); The facility has been visited and examined by myself or my agent; This plan has been prepared in accordance w ith good engineering practice , including consideration of appl icable industry standards, and with the requirements of the SPCC rule; Procedures for required inspections and testing have been established; and, This plan is adequate for the facility. Signature of Profess ional Engineer State Registration No. Cn,~ State Note : The PE's certification does not relieve the owner/operator of the facility of the duty of fully implementing the SPCC plan in accordance with all applicable requirements. 2 3 SECTION 3.0 INTRODUCTION In January 1974, the Environmental Protection Agency (EPA) adopted 40 CFR Part 112 as the Oil Pollution Prevention Program. This program was most recently amended on November 5, 2009 and the amended regulations took effect on January 14, 2010. These oil pollution prevention regulations require the preparation of a Spill Prevention Control and Countermeasure (SPCC) Plan for a facility engaged in drilling, producing, gathering, storing, processing, refining, transferring, distributing, using, or consuming oil and oil products, and which due to its location, could reasonably be expected to discharge oil in quantities that may be harmful, as described in 40 CFR Part 110, into or upon the navigable waters of the United States or adjoining shoreline, or into or upon the waters of the contiguous zone, or in connection with activities under the Outer Continental Shelf Lands Act or the Deepwater Port Act of 1974, or that may affect natural resources belonging to, or under the exclusive authority of the United States (40 CFR, Part 112.1(b)). The SPCC regulations and additional information can be found at: http://www.epa.gov/oilspill/spcc.htm. The following sections of this plan are presented in the sequence of the SPCC rule, as required by the rule. The substantive requirements (§112.7 and §112.9) are addressed in Sections 7.0 and 9.0, respectively. Throughout this plan, where applicable, references to the appropriate subsections of 40 CFR Part 112 are provided, followed by an explanation of how the requirements have been addressed. 4 SECTION 4.0 GENERAL APPLICABILITY The Oil Pollution Prevention Regulations (40 CFR Part 112) require preparation of an SPCC plan for facilities that have discharged or could reasonably be expected to discharge oil into or upon navigable waters of the United States or adjoining shorelines. Specifically, §112.1(d)(2) requires an SPCC plan to be developed for facilities where the buried below ground storage capacity of oil is greater than 42,000 gallons or the aggregate aboveground storage capacity of oil is greater than 1,320 gallons (inclusive of containers with thresholds of 55-gallons or greater). The High Mesa Compressor Station covered in this SPCC plan has a collective potential maximum aboveground storage capacity above the threshold amount, thus GRG is required to develop, implement, and maintain an SPCC plan for the facility. The purpose of this SPCC plan is to identify sources of oil at the High Mesa Compressor Station and outline procedures to prevent the release of oil into or upon navigable waters of the United States or that may affect the natural resources of the United States. Any facility that could, because of its location, be expected to cause substantial harm to the environment by discharging oil into or on navigable waters or adjoining shorelines is required to prepare and submit a facility response plan (FRP) to the USEPA Regional Administrator (RA) in accordance with 40 CFR Part 112.20. The High Mesa Compressor Station is not considered such a facility because it does not meet any of the substantial harm criteria specified in §112.20. These criteria, and the associated applicability determination regarding the High Mesa Compressor Station, are shown in Appendix A. This appendix is the Certification of the Applicability of the Substantial Harm Criteria required by §112.20 and must be maintained at the facility. Because submittal of an FRP is not required, except at the discretion of the RA, this SPCC plan provides information and procedures for responding to discharges. 5 SECTION 5.0 SPCC PLAN ADMINISTRATION: §112.3, §112.4, AND §112.5 5.1 Requirement to Prepare and Implement an SPCC Plan: §112.3 This SPCC plan is intended to comply with the SPCC rule (40 CFR Part 112) that was most recently amended on November 5, 2009 and took effect on January 14, 2010. This facility was operational before November 10, 2011, so the provisions of §112.3(c) do not apply. This facility is not an onshore or offshore mobile facility, so the provisions of §112.3(c) do not apply. In accordance with §112.3(d), this SPCC plan has been reviewed and certified by a professional engineer. See Section 2.0 of this document. As this facility is not typically manned for at least 4 hours per day, in accordance with §112.3(e)(1) and (2), a complete updated copy of the SPCC Plan and associated files will be maintained at the GRG office in Rifle, Colorado. During normal working hours the plan will be available to authorized representatives of Local, State or Federal governing agencies for on-site review and a copy will be submitted to the EPA if requested. 5.2 Amendment of SPCC Plan by Regional Administrator: §112.4 In accordance with §112.4(a), whenever more than 1,000-gallons of oil have been discharged in a single incident or more than 42-gallons of oil have been discharged in each of two incidents over a 12-month period, GRG will submit an incident report to the EPA RA within 60 days (refer to the definition of a discharge previously provided in Section 4.0). The report must include the following: §112.4(a)(1): Name of the facility; §112.4(a)(2): Name of the operator; §112.4(a)(3): Location of the facility; §112.4(a)(4): Maximum storage or handling capacity of the facility and the normal daily throughput; §112.4(a)(5): Corrective action and countermeasures that have been taken, including a description of equipment repairs and replacements; §112.4(a)(6): An adequate description of the facility, including maps, flow diagrams, and topographical maps, as necessary; §112.4(a)(7): The cause of such discharge as described in 40 CFR 112.1(b), including a failure analysis of the system or subsystem in which the failure occurred; §112.4(a)(8): Additional preventive measures taken or planned to minimize the possibility of recurrence; and §112.4(a)(9): Such other information as the Regional Administrator may reasonably require pertinent to the SPCC Plan or discharge. 6 In accordance with 40 CFR 112.4(c), copies of the incident report will also be forwarded to the Colorado Oil and Gas Conservation Commission (COGCC) and/or the Colorado Department of Public Health and Environment (CDPHE) as appropriate (See Appendix B for spill reporting details). The RA may subsequently propose by certified mail or personal delivery that this SPCC plan be amended. GRG will act in accordance with §112.4(d), (e), and (f) and will amend this SPCC plan as needed within 30 days and implement the amended plan within six months, unless the RA specifies another date. 5.3 Amendment of SPCC Plan by Owners or Operators: §112.5 In accordance with §112.5(a), when there is a change in facility design, construction, operation, or maintenance that materially affects the facility’s potential for a discharge, GRG will amend this SPCC plan within six months of the change and implement the amended plan as soon as possible, but not later than six months following preparation of the amendment. Modifications which may require plan amendments and certification include: - Commissioning or decommissioning of containers or oil-filled equipment - Replacement, reconstruction, or movement of containers or oil-filled equipment - Reconstruction, replacement, or installation of piping systems - Construction or other work that alters secondary containment structures - Changes in stored materials or type of equipment service - Changes in operating and maintenance procedures that affect SPCC compliance. There are no exempted produced water containers at this facility, according to the requirements of §112.9(c)(6)(i), so sections §112.5(b) and (c) do not apply to this facility. In accordance with §112.5(d), GRG will also review this plan at least once every five years from the last review. As a result of the review, the plan will be amended within six months of the review if more effective prevention and control technology has been field-proven at the time of the review and will significantly reduce the likelihood of a discharge. The amended plan will be implemented as soon as possible, but not later than six months following preparation of the amendment. The designated person accountable for oil spill prevention at the facility (see Section 7.1) will document completion of each five year review, sign a statement as to whether the plan will be amended, and record the results in Appendix C. As required by §112.5(e), technical amendments to the plan will be certified by a Professional Engineer. Any such amendments to this SPCC plan shall be noted on the Amendment Log included in Appendix C of this SPCC plan. Entries into the log will indicate a general description of the changes that were made to the facility, the corresponding changes that were made to the SPCC plan, including plan section and page numbers, and the name and signature of the person making the changes. A new certification page will be signed, sealed and inserted into this plan to complete the amendment process. Non-technical changes include, but are not limited to, such items as: contact lists, more stringent requirements for stormwater discharges to comply with NPDES rules, phone numbers, product changes if the new product is compatible with conditions in the existing tank and secondary containment materials, and any other changes which do not materially affect the facility’s potential to discharge oil. If GRG personnel are unsure whether the amendment is technical or non-technical, the amendments should be reviewed and certified by a Professional Engineer. 7 SECTION 6.0 QUALIFIED FACILITY PLAN REQUIREMENTS: §112.6 This facility either does not meet the qualified facility qualification criteria in §112.3(g), or the operator is not choosing to self-certify the SPCC plan. As such, the provisions of §112.6 do not apply to this plan. 8 SECTION 7.0 SPCC PLAN GENERAL REQUIREMENTS: §112.7 This section presents facility-specific details associated with the general requirements for SPCC plans outlined in §112.7. As previously indicated in Sections 1.0, 2.0 and 3.0, this SPCC plan has been prepared in accordance with good engineering practice, with management approval at a level with authority to commit the necessary resources for full implementation, and in the sequence of the rule. 7.1 General Facility Information Name and type of facility: The High Mesa Compressor Station is a natural gas production facility owned and operated by Grand River Gathering, LLC. The High Mesa Compressor Station is considered a production facility, as it is upstream of associated custody transfer points to transportation-related systems. Location of facility: The High Mesa Compressor Station is located in the southeast quarter of the northeast quarter of Section 36 in Township 7 South, Range 96 West in Garfield County, Colorado. The town of Parachute, Colorado, which lies approximately 3.9 miles north of the facility, is the nearest population center. See Figure 1 for additional site location information. Owner name and address: Grand River Gathering, LLC 2300 Windy Ridge Parkway, Suite 240S Atlanta, GA 30339 (770)-504-5004 Designated personnel accountable for spill prevention: Regional/District Contact SPCC Contact Mr. Mike Rose Mr. Floyd Alvey Director, Eng., Const. and Operations Compression Supervisor Grand River Gathering, LLC Grand River Gathering, LLC 2128 Railroad Avenue 2128 Railroad Avenue Rifle, CO 81650 Rifle, CO 81650 (214) 242-1964 office (970) 440-1001 office (214) 926-6299 mobile (970) 319-0357 mobile Has the facility experienced a reportable oil spill (discharge) event during the past 12 months? No, the facility has not experienced a reportable oil spill event during the 12 months preceding the certification date of this SPCC plan. 9 7.2 General Facility Description The High Mesa Compressor Station is a natural gas production facility owned and operated by Grand River Gathering, LLC. The facility is located in western Colorado, in Garfield County. The area surrounding the facility is considered multiple-use land and area activities include oil and gas exploration and production. The location of the facility and details of the oil storage areas are depicted in Appendix D. According to U.S. Geological Survey topographic mapping sources (Parachute, Colorado quadrangle), the site lies at an approximate elevation of 5,940-feet above mean sea level with shallow relief in the immediate vicinity of the site. All existing drainages in the vicinity of the facility discharge to the Colorado River, which lies approximately 1.9 miles northwest of the facility. Pete and Bill Creek runs approximately 1,900-feet southwest of the facility. Drainage within the site boundary is governed by surface topography. Downhill slope direction arrows on Figure 2 indicate the predicted general direction of storm water flow to the north. The facility consists of metering equipment, separation equipment, above ground storage tanks, and piping systems. Products related to the maintenance and operation of the facility are stored in above ground storage tanks. Natural gas liquids are occasionally taken from the facility via tank truck. The facility operates 24 hours per day and is inspected daily by operations personnel. An inventory of all facility storage tanks is provided in Section 7.5. Specific liquids stored at the facility are considered oils, as defined in 40 CFR §112.2, for the purpose of this SPCC plan. The facility is considered a production facility and is thus subject to the specific SPCC requirements of 40 CFR §112.9 for onshore production facilities. 7.3 SPCC Plan Conformance and Deviations: §112.7(a)(1) and (2) This SPCC plan is intended to conform to the applicable requirements of CFR 40 §112.7, as detailed in the subsequent sections of this SPCC plan. The High Mesa Compressor Station is an onshore production facility and is therefore subject to §112.9. 7.4 Facility Layout: §112.7(a)(3) Oil storage areas at the facility are identified on Figure 2. There are no completely buried or bunkered tanks or connected underground piping at the facility as defined by §112.2 of the SPCC regulations, other than lines leading from the separation equipment to storage tanks. Aboveground storage containers and oil-filled equipment applicable to this plan are listed below in Section 7.5 7.5 Oil Storage Capacity: §112.7(a)(3)(i) A summary of the substances, containers, and container capacities applicable to this plan is provided in the following table. Although oil-filled equipment are not considered bulk storage containers as defined by §112.2, the applicability criteria such as oil storage capacity and potential for a discharge still pertain and the prevention of discharges from such equipment is covered in §112.7(k) of the SPCC rule. Consequently, the type of oil and capacity of the oil- filled equipment at the High Mesa Compressor Station are included in the summary. 10 SPCC-Regulated Storage Containers and Oil-Containing Equipment Container/Equipment Description Container Reference ID Container Storage Capacity (BBL) Net Containment Capacity (BBL) Condensate/Prod. Water AST 1 300 441 Condensate/Prod. Water AST 2 300 441 Slug Catcher 3 710.4 0 Separator 4 TBD 124 Scrubber Vessel 6 18.9 0 Lubricating Oil AST 9 24 28 Lubricating Oil AST 10 24 28 Lubricating Oil AST 11 24 67 Lubricating Oil AST 12 24 67 Compressor Engine (x9) 14 2 (ea., est.) 0 Compressor (x9) 15 2 (ea., est.) 0 Compressor Scrubber (x18) 16 1.5 (ea., est.) 0 Notes: The indicated net capacities are gross containment volumes less the displaced volume of other equipment within the containment space (if applicable) and at least 2.2 inches of freeboard to accommodate precipitation associated with a 24-hour 25-year storm event. (Source: NOAA Atlas 2) 7.6 Discharge Prevention Measures: §112.7(a)(3)(ii) The High Mesa Compressor Station relies on a number of measures to aide in the prevention of a discharge. Descriptions of these measures are provided below. Routine maintenance of any oil-containing equipment is performed by trained personnel at the location of the equipment utilizing soaker pads and the available secondary containment structures and/or drip pans as warranted. Each storage tank or vessel has a system in place that has been designed and installed in accordance with good engineering practice to prevent discharges. These features may include: adequate containment volume to avoid overfill during normal operations, and; high level sensors and controls to stop liquid flow. All discharge features are inspected at regular intervals. 7.7 Discharge or Drainage Controls: §112.7(a)(3)(iii) The products stored at the High Mesa Compressor Station (e.g. natural gas liquids, produced water, and lubricating oil) are noncorrosive materials and are compatible with the materials with which the storage containers and containment structures at the facility are constructed. The containment structures at the facility are designed to provide adequate protection against the discharge of oil. Secondary containment is provided for the atmospheric aboveground storage tanks. Secondary containment details are provided in Section 7.14. 11 Containment capacity calculations and/or specifications are provided in Appendix D. Each secondary containment system, including the walls and floor of each respective system, is capable of containing oil and has been constructed so that any discharge from a primary containment system (such as a tank or pipe) will not permeate, drain, infiltrate, or otherwise escape before cleanup occurs. 7.8 Countermeasures for Discharge Discovery, Response and Cleanup: §112.7(a)(3)(iv) As part of routine facility operational procedures, visual exterior inspections of the oil storage containers and equipment are made several times per week, at a minimum, for signs of deterioration or leaks. Deficiencies noted from these examinations are entered on a check sheet and corrected in a timely manner. Inspection check sheets are kept in a logbook in the field office in Rifle, Colorado. In addition to the regular checks, the oil storage equipment is inspected annually according to the written procedures outlined in Section 7.16 of this plan. Any discharge occurring at the facility would likely be discovered by GRG operational personnel during routine site visits. Upon discovery, response procedures will be immediately initiated. In the event of a release, the facility has trained personnel and equipment available to contain and clean up minor volumes of discharged oil. On-site equipment and materials include spill kits, shovels, and sorbent materials (booms, pads, etc.) that may be used to dike, contain , and remove minor releases. In the event of a larger discharge, specific response procedures have been developed (See Appendix B). As part of these procedures, external resources (contractors) have been identified to assist facility personnel. To ensure the commitment of these external resources, GRG maintains a service agreement with each selected contractor. A list of approved contractors is kept at the facility and at the GRG office in Rifle, Colorado. At a minimum, contractors identified to assist in a spill response will have the capabilities to provide emergency response, industrial power vacuuming, tank and pipeline cleaning, equipment decontamination, excavation/earthmoving and waste transportation and disposal services. 7.9 Recovered Materials Disposal: §112.7(a)(3)(v) Materials recovered during a spill event will be appropriately containerized or will be remediated on site in accordance with Colorado Oil and Gas Conservation Commission (COGCC) stipulations. Soils and other solids will be placed in 55-gallon drums or roll-off containers, or in other approved containers as warranted. Liquids will be placed in 55-gallon drums or will be collected in a tank truck using industrial power vacuuming. Recovered materials will be labeled, characterized and disposed/recycled in accordance with applicable federal, state and local regulations. 12 7.10 Contact List and Notification Phone Numbers: §112.7(a)(3)(vi) The contact list for oil spill response activities is provided in Appendix B, as part of the Oil Spill Response Procedures developed for the High Mesa Compressor Station. 7.11 Reporting and Notification Procedures: §112.7(a)(4) Reporting and notification requirements are outlined in the Oil Spill Response Procedures provided in Appendix B. 7.12 Oil Spill Response Procedures: §112.7(a)(5) Oil Spill Response Procedures for the High Mesa Compressor Station are provided in Appendix B. 7.13 Discharge Analysis: §112.7(b) Pursuant to §112.7(b), the reasonably expected modes of equipment failure or accidental fluid release are: - Failure modes: Corrosion, piping or valve failure, tank failure, pressure vessel rupture, overflow, overfilling, vandalism, lightning strikes, and human error. - Rate of discharge flow: the rate of flow of an accidental release will vary depending on ambient conditions, the type of failure mode causing the release, the location of the release, and the volume of material stored in the container or equipment. The ambient temperature at the time of release can affect fluid viscosity and flow rates. Piping or valve failures can result in flow rates ranging from 1 to several hundred gallons per hour. Tank failures or lightning strikes can result in instantaneous releases of entire container volumes. - Discharge quantity: discharge quantities will vary depending on the type and location of the failure. Tank release quantities will not exceed the storage volume of the tank. Process equipment release quantities will be dependent on the length of time that the release goes undetected. - Preventative measures: Tanks and oil-filled equipment are constructed in accordance with API, ASME, or other applicable industry standards. Where practicable, diversionary or containment structures are in place to control or contain released fluids as described in this document. 7.14 Spill Containment: §112.7(c) Oil storage containers at the High Mesa Compressor Station are equipped with secondary containment as noted in this document. Spill containment at the facility is described below: - Secondary containment is typically provided for the lubricating oil, and condensate above ground storage tanks in the form of earthen dikes or steel-wall containers. Containment or discharge prevention measures for other oil-filled equipment and vessels is provided as described below in Section 7.22. 13 - Containment structures are, or will be, configured to contain the storage capacity of the largest tank within the containment area, plus at least 2.2 inches of freeboard to accommodate precipitation associated with a 24-hour 25-year storm event (Source: U.S. Department of Commerce National Oceanic and Atmospheric Administration Atlas 2, Volume II). The containment volume calculations associated with the secondary containment structures are presented in Appendix D. 7.15 Spill Containment Practicability: §112.7(d) No discussions related to practicability are warranted because this SPCC plan either does not deviate from the requirements of §§112.7(c), 112.7(h)(1), 112.8(c)(2), 112.8(c)(11), 112.9(c)(2), 112.10(c), 112.12(c)(2), and 112.14(c), or, where it does deviate, the deviations are not practicability-caused issues. 7.16 Inspections, Tests and Records: §112.7(e) Oil storage containers, oil-filled equipment and related containment structures at the High Mesa Compressor Station are visually examined several times per week, at a minimum, for signs of deterioration or leaks. These inspections are conducted as part of normal facility operations. Deficiencies noted from these examinations are entered on a check sheet and corrected in a timely manner. The equipment is also inspected annually according to the written procedure in Appendix E. Signed and dated records of all inspections and other pertinent information, such as spills, removal and disposal of spill contaminated materials, replacement or repair of equipment, and training are maintained for a minimum of 3 years. 7.17 Personnel Training and Discharge Prevention Measures: §112.7(f) Oil-handling personnel operating the facility are required to have training in the operation and maintenance of equipment to prevent the discharge of oil; discharge procedure protocols; applicable pollution control laws, rules, and regulations; general facility operations; and the contents of the facility SPCC plan. They are under the direct supervision of the Compression Supervisor, who is responsible for establishing performance and duty guidelines and is the designated person accountable for spill prevention at the facility. Regular safety meetings are held to discuss a variety of safety procedures and other pertinent job responsibility criteria. A written record of all training is maintained for three years. At a minimum, training is conducted annually and whenever new spill regulations are promulgated, existing operating systems are modified, personnel responsibilities change, or the SPCC plan is amended. In addition, regular safety meetings will be used as a forum to reinforce understanding of SPCC procedures as necessary. An outline of the topics to be covered during SPCC training is presented in Appendix F. Attendance rosters and other training records will be maintained at the field office in Rifle, Colorado for a period of no less than three years. 14 7.18 Security: §112.7(g) The security requirements of the SPCC rule are not applicable to t he High Mesa Compressor Station, as the facility is a production facility. 7.19 Facility Tank Car and Tank Truck Loading/Unloading: §112.7(h) The High Mesa Compressor Station has no loading/unloading racks as defined in §112.2. Proper loading procedures will be followed and wheel chocks used by tank truck drivers to prevent vehicles from departing or moving before completed disconnection of flexible or fixed oil transfer lines. All tank truck drivers are required to comply with DOT regulations in 49 CFR Part 177 and facility standard operating procedures. All drivers must be authorized and/or certified by GRG. When possible, GRG operations personnel will remain with any delivery truck during filling operations to monitor the transfer; inspect outlets, connections and valves on the delivery tank truck before and after oil-filling operations; and make adjustments as necessary. The driver or an operations personnel member visually inspects all tank trucks before leaving the loading/unloading areas. The lowermost drain and all outlets of transport vehicles shall be inspected and, if necessary, make certain that they are tightened, adjusted, or replaced to prevent liquid discharge while in transit. 7.20 Brittle Fracture Analysis: §112.7(i) The High Mesa Compressor Station has no field-constructed aboveground oil-storage containers that apply to this plan and therefore this section of the regulation is not applicable. 7.21 Applicable Requirements: §112.7(j) Sections 7.0 and 9.0 of this plan provide detailed discussions of conformance with the applicable requirements and other effective discharge prevention used at the facility. 7.22 Qualified Oil-filled Operational Equipment: §112.7(k) This facility contains qualified oil-filled operational equipment (i.e. equipment that includes an oil storage container in which the oil is present solely to support the function of the device and that has not had a single discharge exceeding 1,000 gallons or two discharges exceeding 42 gallons within a twelve month period in the three years preceding this plan). The qualified oil-filled equipment is included in the facility inspection program discussed in Section 7.16 of this plan to detect equipment failure and/or discharges. The equipment is covered by an oil spill contingency plan following the provisions of 40 CFR Part 109 as described in Appendix B. Section 1.0 of this plan contains a written commitment of manpower, equipment, and materials required to expeditiously control and remove any quantity of oil discharged that may be harmful. 15 SECTION 8.0 SPCC PLAN REQUIREMENTS FOR ONSHORE FACILITIES (EXCLUDING PRODUCTION FACILITIES): §112.8 The High Mesa Compressor Station is not an onshore non-production facility. Consequently, the provisions in §112.8 do not apply. 16 SECTION 9.0 SPCC PLAN REQUIREMENTS FOR ONSHORE OIL PRODUCTION FACILITIES: §112.9 9.1 Oil Production Facility Drainage: §112.9(b) Precipitation that may accumulate in any contained area is normally allowed to evaporate. No automatic pumps or ejector devices are present in any of the containment areas. If removal of any water accumulated in the containment areas is necessary, it will be conducted under the direct supervision of responsible personnel as described in this section. Accumulated precipitation is removed, when necessary, from secondary containment areas using a vacuum truck, pump, or other appropriate method. Removed water is disposed of in accordance with applicable local, state, and federal regulations. Prior to removal of the water from any containment area, the responsible personnel visually inspect the water in the containment structure and note the appearance of the water in the facility logs. The name of the person draining the containment, as well as the date, time, and approximate quantity of water removed will also be recorded in the facility logs and kept on file with the SPCC documents for a period of at least three years. A secondary containment drainage log is included in Appendix E. The drain systems at the High Mesa Compressor Station are of the ‘enclosed’ type. All process effluents are routed through drain lines to storage tanks. No process effluents, untreated or treated, are released off-site. All field drainage systems (such as drainage ditches or road ditches) in the vicinity of the facility are inspected at regular intervals for the presence of accumulated oil that may have resulted from a small discharge. Any accumulated oil will be removed from these areas promptly upon discovery. 9.2 Oil Production Facility Bulk Storage Containers: §112.9(c) In accordance with §112.9(c)(1), the products stored at the High Mesa Compressor Station are compatible with the materials with which the storage containers and containment structures at the facility are constructed. Specific secondary containment details are presented in Section 7.14. In accordance with §112.9(c)(2), the tank battery and oil-filled equipment areas are equipped with sized secondary containment or covered by discharge prevention measures as noted in this document. Secondary containment at the facility is described in Section 7.14 and Appendix D. In accordance with §112.9(c)(3), oil storage containers, oil-filled equipment and related containment structures at the High Mesa Compressor Station are visually examined several times per week, at a minimum, for signs of deterioration or leaks. These inspections are conducted as part of normal facility operations. Deficiencies noted from these examinations are entered on a check sheet and corrected in a timely manner. The equipment is also inspected annually according to the written procedure in Appendix E. In accordance with §112.9(c)(4), each storage tank or vessel at the High Mesa Compressor Station has a system in place that has been designed and installed in accordance with good 17 engineering practice to prevent discharges. These features may include adequate container volume to avoid overfill and high-level sensors and controls to stop liquid flow. All discharge prevention features are inspected at regular intervals. Certain flow-through process vessels at the facility are not equipped with sized secondary containment. The alternate requirements of §112.9(c)(5) are followed, including these actions: - Periodically and on a regular schedule, the process vessels and associated equipment are visually inspected and/or tested for leaks, corrosion, or other conditions that could lead to a discharge. - Corrective action is taken, or repairs are made to process vessels and associated equipment when necessary as indicated by regularly scheduled visual inspections, tests, or evidence of an oil discharge. - Prompt removal or initiation of actions to stabilize and remediate any accumulations of oil discharges associated with process vessels and associated equipment. - If the facility discharges more than 1,000 gallons of oil in a single discharge, or discharges more than 42 gallons in each of two discharges, within any twelve month period, from process flow-through vessels, then GRG will make certain that all process vessels comply with the requirements of §112.9 within six months of the discharge. There are no produced water tanks at this facility subject to §112.9(c)(6). 9.3 Facility Transfer Operations, Oil Production Facility: §112.9(d) In accordance with §112.9(d)(1), all above ground valves and piping associated with transfer operations are periodically and regularly inspected for the general condition of flange joints, valve glands and bodies, drip pans, pipe supports, and other appurtenances. There is no saltwater/oil field brine disposal equipment at this facility subject to §112.9(d)(2). In accordance with §112.9(d)(3), the facility flowlines with the potential for a discharge are either provided secondary containment, or covered by an oil spill contingency plan following the provisions of 40 CFR Part 109 as described in Appendix B. Section 1.0 of this plan contains a written commitment of manpower, equipment, and materials required to expeditiously control and remove any quantity of oil discharged that may be harmful. In accordance with §112.9(d)(4), the facility adheres to a program of flowline maintenance that includes: - Ensuring that flowlines and associated valves and equipment are compatible with the type of production fluids, their potential corrosivity, volume, and pressure, and any other conditions expected in the operational environment. - Visually inspecting and/or testing flowlines and associated appurtenances on a periodic and regular schedule for leaks, oil discharges, corrosion, or other conditions that could lead to a discharge as described in §112.1(b). - Taking corrective action or making repairs to and flowlines and associated appurtenances as indicated by regularly scheduled visual inspections, tests, or evidence of a discharge. - Promptly removing or initiating actions to stabilize and remediate any accumulations of oil discharges associated with flowlines and associated appurtenances. 18 SECTION 10.0 SPCC PLAN REQUIREMENTS FOR ONSHORE OIL DRILLING AND WORKOVER FACILITIES: §112.10 The High Mesa Compressor Station is not an onshore oil drilling or workover facility. Consequently, the provisions in §112.10 do not apply. SECTION 11.0 SPILL PREVENTION, CONTROL, AND COUNTERMEASURE PLAN REQUIREMENTS FOR OFFSHORE OIL DRILLING, PRODUCTION AND WORKOVER FACILITIES: §112.11 The High Mesa Compressor Station is not an offshore oil drilling, production or workover facility. Consequently, the provisions in §112.11 do not apply. Appendix A Certification of the Applicability of the Substantial Harm Criteria Certification of the Applicability of the Substantial Harm Criteria Facility Name: High Mesa Compressor Station Facility Location: The High Mesa Compressor Station is located in the southeast quarter of the northeast quarter of Section 36 in Township 7 South, Range 96 West in Garfield County, Colorado. Refer to Section 7.1 or Appendix D for site location information. 1. Does the facility transfer oil over water to or from vessels and does the facility have a total oil storage capacity greater than or equal to 42,000 gallons? YES__________ NO X 2. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons and does the facility lack secondary containment that is sufficiently large to contain the capacity of the largest aboveground oil storage tank plus sufficient freeboard to allow for precipitation within any aboveground storage tank area? YES__________ NO X 3. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons and is the facility located at a distance (as calculated using the appropriate formula in Attachment C-III to this appendix {Appendix C to 40 CFR 112} or a comparable formula¹) such that a discharge from the facility could cause injury to fish and wildlife and sensitive environments? For further description of fish and wildlife and sensitive environments, see Appendices I, II, and III to DOC/NOAA”s “Guidance for Facility and Vessel Response Plans: Fish and Wildlife and Sensitive Environments” and the applicable Area Contingency Plan. YES__________ NO X 4. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons and is the facility located at a distance (as calculated using the appropriate formula in Attachment C-III to this appendix {Appendix C to 40 CFR 112} or a comparable formula¹) such that a discharge from the facility would shut down a public drinking water intake²? YES__________ NO X 5. Does the facility have a total oil storage capacity greater than or equal to 1 million gallons and has the facility experienced a reportable oil spill in an amount greater than or equal to 10,000 gallons within the last 5 years? YES__________ NO X CERTIFICATION I certify under penalty of law that I have personally examined and am familiar with the information submitted in this document, and that based on my inquiry of those individuals responsible for obtaining this information, I believe that the submitted information is true, accurate, and complete. ___________________________________ Signature Title ___________________________________ Name (please type or print) Date ¹ If a comparable formula is used, documentation of the reliability and analytical soundness of the comparable formula must be attached to this form. ² For the purposes of 40 CFR part 112, public drinking water intakes are analogous to public water systems as described at 40 CFR 143.2c. Appendix B Oil Spill Response Procedures Oil Spill Response Procedures FACILITY NAME: HIGH MESA COMPRESSOR STATION FACILITY ADDRESS: SE NE SECTION 36 IN TOWNSHIP 7 SOUTH, RANGE 96 WEST IN GARFIELD COUNTY, COLORADO NEAR PARACHUTE, COLORADO REFERENCE: SECTION 7.12 OF SPCC PLAN WRITTEN PROCEDURES APPROVED BY: Signature Title Name (please type or print) Date Oil Spill Response Procedures 1. Response Management Structure The Spill Coordinator and Alternate Spill Coordinator(s) are responsible for implementing response procedures in the event of an oil spill or discharge emergency. These personnel have the authority to commit the resources necessary to carry out a response. However, all operating personnel at the High Mesa Compressor Station receive training to familiarize themselves with all aspects of the SPCC Plan, facility operations, the location and characteristics of materials handled at the facility, and the location of all records within the facility; and are responsible for proper implementation of response procedures should the Spill Coordinator or Alternate Spill Coordinator(s) be unavailable. 2. Initial Response Releases at the High Mesa Compressor Station will be discovered through observations made during the course of normal work activities, inspections of work areas and equipment, monitoring devices, or by chance. Discovering a release is the first step in initiating a response. Upon discovery, the individual discovering a release should immediately: 1. Assess the basic situation. 2. Stop the source of the release if safely possible using available resources (including spill kits). 3. Restrict ignition sources if the material is flammable. 4. Secure the area as off limits. 5. In the event that the incident poses an immediate threat of fire, explosion, or other impact to safety, health, or the environment, contact the local fire department at 911. DO NOT HANG UP after completing the report, let the dispatcher hang up first. 6. Report the release to the Spill Coordinator or an Alternate Spill Coordinator (see attached Oil Spill Incident Notification Phone Numbers). 7. The Spill Coordinator (or alternate) will determine whether the spill incident warrants evacuation of the facility. If so, the procedures outlined in the facility Emergency Action Plan will be followed. 8. The Spill Coordinator (or alternate) will determine whether the spill incident constitutes a discharge as defined in §112.1(b) of the SPCC regulations (see Section 3, below) and will notify appropriate federal, state, and local agencies of the spill/release incident if warranted. 9. If the spill involves a minor volume of oil, it can be cleaned up by facility personnel provided that 1) they are OSHA trained and have received their current refresher training; 2) appropriate material safety data sheets (MSDS sheets) are available for the material spilled; and 3) appropriate personal protective equipment (PPE) is available. 10. If the spill involves a significant volume of oil, or any of the three criteria listed in (9) above are not met, it should be cleaned up by a properly certified outside contractor (see attached Oil Spill Incident Notification Phone Numbers). 3. Oil Spill Emergency Reporting If the release constitutes a discharge as defined in §112.1(b) of the SPCC regulations, it will be considered an Oil Spill Emergency. A release of oil is considered a discharge under this Plan only if: the release is into or upon the navigable waters of the United States, adjoining shorelines, or waters contiguous with navigable waters of the United States. This is apparent if a release impacts surface water quality by causing a film, sheen, or discoloration of the water surface, or upon water or adjoining shorelines, or causes a sludge or emulsion to be deposited beneath the surface of the adjoining shorelines. Impacts to groundwater also apply if the groundwater is contiguous with navigable waters of the United States (i.e., groundwater discharges to/contributes to the total volume of a surface water body that is itself contiguous with navigable waters of the United States). In summary, if a release directly affects surface water or groundwater at the facility, it must be considered an Oil Spill Emergency. Federal and local authorities to be notified in the event of an Oil Spill Emergency are outlined below. State of Colorado In Colorado, a spill or release of E&P wastes or produced fluids is to be reported within 24 hours if the spill has entered waters of the state (any surface or groundwater) or entered navigable waters (any surface water) in sufficient quantities to cause a sheen on the water or stain on the shore. Spills less than 5 barrels that do not impact, or threaten to impact, water, and which can be immediately contained and cleaned up, do not need to be reported. Spills greater than 20 barrels must be reported with 24 hours. All spills and releases of exploration and production waste or produced fluid exceeding five barrels, including those contained within lined or unlined berms, shall be reported in writing on the Colorado Oil and Gas Conservation Commission (COGCC) Spill/Release Report Form 19 within 10 days of discovery of the spill. In addition, spills or releases that exceed twenty barrels of exploration and production waste or produced fluid shall be reported on COGCC Form 19 and verbally reported to the COGCC as soon as practicable within 24 hours of discovery. Spills or releases of any size that impact or threaten to impact any waters of the state, residence or occupied structure, livestock or public byway, shall be verbally reported to the COGCC Environmental Release/Incident Report Hotline (1-877-518-5608) as soon as practicable after discovery. See COGCC Rule 906 for more information. If the spill may reach waters of the State (which include surface water, ground water and dry gullies or storm sewers leading to surface water), it must also be reported immediately to the Colorado Department of Public Health and Environment. Refined petroleum releases must be reported if they have entered navigable waters or if the quantity release exceeds 25 gallons. In general, verbal or telephone reports are to be made within 24 hours. The Director, Engineering, Construction and Operations or the Compression Supervisor will notify regulatory agencies as appropriate. As a practical matter, an evaluation of the specifics of each spill and a determination of reporting requirements will be made. If there is any question about reporting requirements, GRG will over-report rather than under-report. Written, follow up reports are to be sent within 10 days to: - Colorado Oil and Gas Conservation Commission 1120 Lincoln # 801 Denver, Colorado 80203 (Use COGCC Spill/Release Form) - Bureau of Land Management - File an "Undesirable Event Form" with: Glenwood Springs Resource Area Office 50629 Highways 6 and 24 P.O. Box 1009 Glenwood Springs, CO 81602 If the Local Emergency Planning Commission (LEPC) was notified of the spill (in the event of a hazardous substance release) a report should also be sent to: Jim Sears Garfield County Department of Emergency Management (LEPC) 107 8th Street Glenwood Springs, CO 81601 United States Environmental Protection Agency (EPA) An oil spill is reportable to the EPA if any of the following criteria are met: A) Is the spill to navigable waters or adjoining shorelines? B) Could Water Quality Standards be violated? C) Could the spill cause a film, “sheen”, or discoloration? D) Could the spill cause a sludge or emulsion? E) Do any of the reporting exemptions apply? Exemptions include 1) Properly functioning vessel engines not deemed harmful, 2) Research and Development Releases (approved on a case by case basis), 3) NPDES Permitted Releases, and 4) Discharges Permitted Under the International Convention for the Prevention of Pollution from Ships (MARPOL) If the answer to any question A through D above is “yes” and none of the exempt ions apply then the release is reportable to the EPA. To report an oil spill or hazardous substance release, call the National Response Center: (800) 424-8802 For information on EPA’s Oil Spill Program, call the Oil Spill Program Information Line at (800) 424- 9346. Region 8 EPA (CO, MT, ND, SD, UT, WY) 999 18th Street, Suite 500 Denver, Colorado 80202-2466 http://www.epa.gov./region08/ Telephone: (303) 312-6312 email: r8eisc@epa.gov Fax: (303) 312-6339 Toll Free: (800) 227-8917 4. Follow-up Activities After the initial response, reporting, and notification associated with a spill incident, the Spill Coordinator (or alternate) will prepare a written report which includes following: 1. Time and date of the incident; 2. Source and exact location of the spill; 3. Material involved; 4. Cause of the incident; 5. Estimated spill volume; 6. Names of any waterways involved; 7. Description of all media impacted by the spill; 8. Description of damages or injuries caused by the spill; 9. Actions taken to stop, remove, and mitigate the effects of the material spilled 10. Names of individuals and organizations contacted (time, day, who received call, who called from GRG, and pertinent notes). 11. Who reported to the scene from Federal, State, and Local agencies (time, day, etc)? In addition, whenever more than 1,000-gallons of oil are discharged in a single incident or more than 42-gallons of oil have been discharged in each of two incidents over a 12-month period, GRG will submit a report to the United States Environmental Protection Agency (USEPA) Regional Administrator (RA) as outlined in Section 5.2 of the SPCC Plan. 5. Sustained Actions Where prolonged mitigation and recovery actions are required in response to a spill or release, the Spill Coordinator (or alternate) will manage the activities with any or all of the following, as warranted: 1. An outside contractor. 2. An environmental/engineering consultant. 3. Any outside vendor responsible for the incident. 4. The appropriate local, state, and federal agencies. Most release incidents at the High Mesa Compressor Station are expected to be handled without implementing sustained actions. Oil Spill Response Procedures Notification Phone Numbers EPA 24-Hour Spill Notification Number 303.293.1788 Department of Transportation National Response Center 800.424.8802 Colorado Department of Public Health & Environment (CDPHE) 303.692.3033 CDPHE 24-Hour Spill Hotline 877.518.5608 Colorado Oil & Gas Conservation Commission (COGCC) 303.894.2100 COGCC Environmental Release/Incident Report Hotline 877.518.5608 Colorado Division of Labor, Oil Inspection Section 303.620.4300 Colorado PUC Safety and Enforcement Section 800.888.0170 Colorado State Patrol Hazmat Service 970.242.7283 St. Mary’s Hospital – Grand Junction, CO 970.244.2273 Grand River Medical Center – Rifle, CO 970.625.1510 *Garfield County Sheriff 970.945.0453 Garfield County Department of Emergency Management 970.945.9789 U.S. Dept. of Interior, Bureau of Land Management, Grand Junction Field Office 970.244.3000 U.S. Dept. of Interior, Bureau of Land Management, White River Field Office 970.878.3800 Grand River Gathering, LLC. Corporate Office 770.504.5004 Grand River Gathering, LLC. Rifle Office 970.440.1000 Mike Rose – Director, Engineering, Construction and Operations Office: 214.242.1964 Mobile: 214.926.6299 Floyd Alvey – Compression Supervisor Office: 970.440.1001 Mobile: 970.319.0357 Greg Gohn – Pipeline Supervisor Office: 970.440.1003 Mobile: 970.319.7506 Eric Stockbridge – Health, Safety, Env. and Regulatory Advisor Office: 214.462.7707 Mobile: 214.253.9849 * = this is a non-emergency number. Emergency calls should dial 911. Spill Response Contractor: Hyland Enterprises, Inc. Office: 970.625.8270 Spill/Release Information Form High Mesa Compressor Station Exact name, address, and location of the facility: Date and time of the discharge: Name, title and phone number of the person reporting the spill, the responsible party and the contact person: Source of the discharge: Type or description of material discharged: Estimated total quantity of the discharge: Estimated total quantity discharged as described in §112.1(b): Names of individuals and/or organizations that have been contacted: Bodies of water involved, the extent of actual and potential pollution or threat to surface water: A chronology of all occurred events including: a complete description of circumstances causing the release or spill, actions taken and explanations: A description of all impacted media: A description of all damages or injuries caused by the discharge: Actions being used to stop, remove, or mitigate the effects of the discharge, including disposal and treatment: Other appropriate information for the particular spill or release: Appendix C SPCC Plan Review/Amendment Documentation Five-Year Review Documentation In accordance with §112.5(b), this SPCC plan been reviewed to determine if more effective prevention and control technology is available to significantly reduce the likelihood of a discharge. Pursuant to §112.5(b) and by means of this certification, I attest that I have completed a review and evaluation of this SPCC plan for GRG, and as a result Will Will Not amend the plan. A Professional Engineer has reviewed technical amendments to the plan and certified the revised document. Signature, Authorized Facility Representative Date Name (Printed) Title SPCC Plan Amendment Log Date of Amendment General Description of Changes Page Numbers of Changes Name of Certifying PE Name of Management Reviewer Appendix D Facility Information ·-~ I' 011-:tl32 ORAWNBY: DMP FACU..l!Y LOCATION MAP ORAN> IUllER OATHERINQ, UC HC3HMESAOOMPRES90RSTAT10N <IARflELDcct.NTY, CIOLCRADO O\OLSSON ASSOCIATl,S 1 FIOLRE - , ' ;." ~ .. ue •iE..n:8aNIMr z ;J rr • ~ ·--w ---·-' .... -.-) ·--··-·-IYlll - -© -------.... , ........ [IJ • ---- -' ... • O\oLSSON AllOCIAT•I • • • -~-----.cc-m.--FM•-- " 2 Ar e a H W 1 W 2 L 1 L 2 W 3 L 3 L 4 X S Depth Volume ID C o n t e n t s / D e s c r i p t i o n V o l u m e ( B B L ) D i a m e t e r ( F T ) I D M a t e r i a l S h a p e ( F T ) ( F T ) ( F T ) ( F T ) ( F T ) ( F T ) ( F T ) ( F T ) ( F T ²) ( F T ³ ) ( B B L ) ( I N . ) ( B B L ) ( B B L ) 1 C o n d e n s a t e / P r o d . W a t e r 3 0 0 1 2 1 S t e e l O b l o n g 2 . 5 - - - - - - - - - - - - 2 5 . 0 5 3 . 0 2 8 . 0 1 1 3 . 0 4 2 , 9 7 7 5 3 0 2 . 2 3 8 . 9 5 0 2 C o n d e n s a t e / P r o d . W a t e r 3 0 0 1 2 1 S t e e l O b l o n g 2 . 5 - - - - - - - - - - - - 2 5 . 0 5 3 . 0 2 8 . 0 1 1 3 . 0 4 2 , 9 7 7 5 3 0 2 . 2 3 8 . 9 5 0 3 S l u g C a t c h e r 7 1 0 . 4 - - - N o n e N o n e 0 . 0 0 . 0 0 . 0 0 . 0 0 . 0 - - - - - - - - - 0 0 0 2.2 0.0 0 4 S e p a r a t o r TB D 2 E a r t h R e c t a n g u l a r 1 . 8 1 9 . 0 1 5 . 0 2 8 . 0 2 4 . 0 - - - - - - - - - 0 7 7 6 1 3 8 2 . 2 1 4 . 5 0 5 M e t h a n o l T a n k 12 3 S t e e l R o u n d 2 . 0 - - - - - - - - - - - - 9 . 5 9 . 5 0 . 0 0 1 4 2 2 5 2 . 2 2 . 3 0 6 S c r u b b e r V e s s e l 18 . 9 -- - N o n e N o n e 0 . 0 0 . 0 0 . 0 0 . 0 0 . 0 - - - - - - - - - 0 0 0 2.2 0.0 0 7 C o o l a n t 12 4 S t e e l R o u n d 2 . 0 - - - - - - - - - - - - 8 . 0 8 . 0 0 . 0 0 1 0 1 1 8 2 . 2 1 . 6 0 8 C o o l a n t 12 5 S t e e l R o u n d 2 . 0 - - - - - - - - - - - - 8 . 0 8 . 0 0 . 0 0 1 0 1 1 8 2 . 2 1 . 6 0 9 L u b r i c a t i n g O i l 24 6 F i b e r g l a s s R e c t a n g u l a r 2 . 0 6 . 5 6 . 5 1 3 . 3 1 3 . 3 - - - - - - - - - 0 1 7 3 3 1 2 . 2 2 . 8 0 10 L u b r i c a t i n g O i l 24 7 F i b e r g l a s s R e c t a n g u l a r 2 . 0 6 . 5 6 . 5 1 3 . 3 1 3 . 3 - - - - - - - - - 0 1 7 3 3 1 2 . 2 2 . 8 0 11 L u b r i c a t i n g O i l 24 8 S t e e l R e c t a n g u l a r 1 . 0 1 5 . 5 1 5 . 5 2 9 . 5 2 9 . 5 - - - - - - - - - 0 4 5 7 8 1 2 . 2 1 4 . 9 0 12 L u b r i c a t i n g O i l 24 8 S t e e l R e c t a n g u l a r 1 . 0 1 5 . 5 1 5 . 5 2 9 . 5 2 9 . 5 - - - - - - - - - 0 4 5 7 8 1 2 . 2 1 4 . 9 0 13 C o o l a n t 24 8 S t e e l R e c t a n g u l a r 1 . 0 1 5 . 5 1 5 . 5 2 9 . 5 2 9 . 5 - - - - - - - - - 0 4 5 7 8 1 2 . 2 1 4 . 9 0 14 C o m p r e s s o r E n g i n e ( x 9 ) 2 ( e a . ) -- - N o n e N o n e 0 . 0 0 . 0 0 . 0 0 . 0 0 . 0 - - - - - - - - - 0 0 0 2.2 0.0 0 15 C o m p r e s s o r ( x 9 ) 2 ( e a . ) -- - N o n e N o n e 0 . 0 0 . 0 0 . 0 0 . 0 0 . 0 - - - - - - - - - 0 0 0 2.2 0.0 0 16 C o m p r e s s o r S c r u b b e r ( x 1 8 ) 1 . 5 ( e a . ) -- - N o n e N o n e 0 . 0 0 . 0 0 . 0 0 . 0 0 . 0 - - - - - - - - - 0 0 0 2.2 0.0 0 (BBL) (%)441 147 124 #VALUE!23 191 16 136 16 136 28 117 28 117 67 277Multiple Tank T NET CAPACITY Containment 1Precipitation Freeboard Containment 8Containment 2 Containment 3 Containment 4 Containment 5 Containment 6 Containment 7 La r g e s t V o l u m e T a n k / E q u i p m e n t C o n t a i n m e n t Re c t a n g u l a r C o n t a i n m e n t O b l o n g C o n t a i n m e n t Gr o s s C a p a c i t y LA R G E S T T A N K D E T A I L S CU R R E N T C O N T A I N M E N T D E T A I L S SE C O N D A R Y C O N T A I N M E N T C A L C U L A T I O N S SE C O N D A R Y C O N T A I N M E N T C A P A C I T Y C A L C U L A T I O N S H IG H M E S A C O M P R E S S O R S T A T I O N GR A N D R I V E R G A T H E R I N G , L L C . No t e s : H = C o n t a i n m e n t H e i g h t BB L = B a r r e l ( s ) W1 = C o n t a i n m e n t w i d t h a t t o p . GA L = G a l l o n ( s ) W2 = C o n t a i n m e n t w i d t h a t b o t t o m . FT ³ = C u b i c F e e t W3 = O v e r a l l c o n t a i n m e n t w i d t h ( f o r o b l o n g / r o u n d c o n t a i n m e n t ) . FT = F e e t L1 = C o n t a i n m e n t l e n g t h a t t o p . IN = I n c h e s L2 = C o n t a i n m e n t l e n g t h a t b o t t o m . 1 F T ³ = 7 . 4 8 1 G a l l o n s L3 = O v e r a l l c o n t a i n m e n t l e n g t h ( f o r o b l o n g / r o u n d c o n t a i n m e n t ) . 1 B a r r e l = 4 2 G a l l o n s L4 = S t r a i g h t s e c t i o n l e n g t h ( f o r o b l o n g / r o u n d c o n t a i n m e n t ) . 1 B a r r e l = 5 . 6 C u b i c F e e t T = T o t a l C o n t a i n m e n t C a p a c i t y Ca l c u l a t i o n f o r r e c t a n g u l a r c o n t a i n m e n t : T = ( H /3 ) x [ ( W1 x L1 )+ ( W2 x L2 )+ S Q R T ( W1 x L1 x W2 x L2 )] Ca l c u l a t i o n f o r o b l o n g c o n t a i n m e n t : T = ( ( W3 ²x π ) / 4 ) x H +( W3 x L4 x H ) Pr e c i p i t a t i o n f r e e b o a r d d e p t h i s t h e 2 5 - y e a r , 2 4 - h r r a i n f a l l e v e n t p r e c i p i t a t i o n a m o u n t ( S o u r c e - N O A A A t l a s 2 , V o l u m e I I ) Appendix E Inspection Procedures and Records Inspection Procedures and Records FACILITY NAME: HIGH MESA COMPRESSOR STATION FACILITY ADDRESS: SE NE SECTION 36 IN TOWNSHIP 7 SOUTH, RANGE 96 WEST IN GARFIELD COUNTY, COLORADO NEAR PARACHUTE, COLORADO REFERENCE: SECTION 7.16 OF SPCC PLAN WRITTEN PROCEDURES APPROVED BY: Signature Title Name (please type or print) Date Inspection Procedures and Records 1. Responsibilities These procedures establish the requirements for periodic inspections and tests for the oil storage vessels and oil-filled equipment listed at the High Mesa Compressor Station, to minimize the risk of a spill incident. The Compression Supervisor is responsible for the implementation of these procedures. Specifically, the Compression Supervisor is responsible for: Conducting the inspections; Producing documentation for deficiencies found during the inspections; and Making certain that remediation or repair work is properly prioritized and completed in a timely manner. The Compression Supervisor may designate another personnel member to complete the inspections. Designated personnel will have the authority to commit the resources necessary to carry out a response, if warranted. Operating personnel at the High Mesa Compressor Station receive training to familiarize themselves with all aspects of the SPCC Plan, facility operations, the location and characteristics of materials handled at the facility, and the location of pertinent records within the facility. 2. Procedures The Compression Supervisor (or designee) will conduct an annual visual inspection of the oil storage vessels and oil-filled equipment identified in Section 7.5 of the SPCC Plan. The inspections will be documented using the attached inspection forms. The annual inspection includes a visual examination of exterior surfaces for leaks and other deficiencies of the vessel, supports, connected piping and valves and secondary containment. It also includes visual inspection and monitoring of any leak detection system or other monitoring or warning systems (e.g., level indication/alarm or interstitial space monitoring). If any inspection reveals a leak or equipment deficiency outside of normal operating conditions, corrective action must be taken promptly to eliminate the leak or deficiency. Deficiencies noted during the inspection are recorded as a work order. The inspector will complete the following: 1. Visually inspect exterior surfaces of storage vessels and oil-filled equipment, along with associated piping, valves and other appurtenances for: o Drip marks or droplets of fluid/stored materials o Discoloration on equipment or ground surfaces o Puddles of spilled or leaked material o Corrosion o Cracks o Localized dead vegetation. 2. Visually inspect vessel/equipment supports, foundations, and containment structures for excessive settlement, apparent structural weakness, cracks or other deficiencies that would allow tanks or secondary containment structures to fail or leak. 3. Inspect and monitor existing leak detection systems (for example, observation ports on double-bottom tanks), cathodic protection equipment and other warning systems such as alarms and level gauges. If, during the annual inspection, the inspector observes a spill of oil from any of the equipment the inspector shall immediately initiate the oil spill response procedures outlined in Appendix B of this SPCC Plan. Inspection Procedures and Records Secondary Containment Drainage Log Date and Time of Drainage Containment Area Drained (ID# or description) Appearance (visual, odor, etc.) Note: Do not discharge water containing any contaminant and/or free oil or an oil sheen. Approximate Quantity Removed (Gals) Method of Removal and Disposal Annual SPCC Inspection Report Field Name: Site Location: Date of Inspection: Any evidence of recent liquid spills to ground? (circle): Yes No If “Yes” describe equipment and location: Inspection Item Present (Y/N) Condition: Good/ Satisfactory/ or Requires Maintenance Notes and description of maintenance required/Other Comments Storage Tanks Secondary Containment Structures Treaters & Separators Aboveground Piping Valves & Fittings Supporting Foundations Field Drainage Conveyances Truck Load out Piping 55-gal Drums Berm Dimensions Check and Condition Other Equipment Vessels Other: Notes: Based upon my visual inspection of site conditions, this facility is in compliance with its SPCC plan or reported deficiencies of oil accumulations as described above have been reported and corrective actions taken as required by law. Inspector Printed Name: Inspector Signature: Inspection Report Sent to: Date: Appendix F Training Procedures and Records Training Procedures and Records Spill Prevention Training Outline FACILITY NAME: HIGH MESA COMPRESSOR STATION FACILITY ADDRESS: SE NE SECTION 36 IN TOWNSHIP 7 SOUTH, RANGE 96 WEST IN GARFIELD COUNTY, COLORADO NEAR PARACHUTE, COLORADO REFERENCE: SECTION 7.17 OF SPCC PLAN WRITTEN PROCEDURES APPROVED BY: Signature Title Name (please type or print) Date Training Procedures and Records Topics to be Covered in SPCC Training 1. Introduction/Training Roster 2. Facility Layout 3. General Facility Operations 4. Location of Oil Storage Areas a. Above Ground Storage Tanks b. Compressors/Separators/Scrubbers c. Lubricating Oil Containers 5. Facility SPCC Plan a. Physical Location of Plan b. Introduce/Review Contents of SPCC Plan i. General SPCC Requirements (§112.7) ii. Specific Requirements for Onshore Production Facilities (§112.9) 6. Operation of Oil-Filled Equipment and Containment Equipment a. Above Ground Storage Tanks i. Fill Procedures b. Compressors/Separators/Scrubbers i. Maintenance Procedures c. Lubricating Oil Containers i. Handling Procedures 7. Oil Spill/Discharge Response Procedures a. Appendix B of SPCC Plan 8. Known Oil Spill/Discharge Incidents at Facility in Past 12 Months 9. Applicable Rules and Regulations a. Federal Regulations i. 40 CFR 110: Discharge of Oil ii. 40 CFR 112: Oil Pollution Prevention b. State Regulations (CDPHE) c. Local (Garfield County LEPC) Training Procedures and Records Oil Discharge Prevention Briefings (Training) Roster INSTRUCTOR: DATE: EMPLOYEE TITLE SIGNATURE 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Adjacent Property Owners and Mineral Rights Owners Information Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 High Mesa Compressor Station Grand River Gathering LLC Adjacent Land Owners Parcel Number: 240925100954 Colorado River Valley Field Office Bureau of Land Management 2300 River Frontage Rd Silt, CO 81652 Parcel Number: 240719300162 Daybreak Realty LLC 400 Panamint Rd Reno, NV 89521 Parcel Number: 240721400954 Colorado River Valley Field Office Bureau of Land Management 2300 River Frontage Rd Silt, CO 81652 Parcel Number: 240936400955 Colorado River Valley Field Office Bureau of Land Management 2300 River Frontage Rd Silt, CO 81652 Parcel Number: 240935100136 Larry A & Karen K Klebold PO Box 67 Parachute, CO 81635 High Mesa Compressor Station Grand River Gathering LLC Mineral Rights Owners Salvation Army c/o Bank of America Agent PO Box 840738 Dallas, TX 75284-0738 JRMD, LLC PO Box 1926 Rifle, CO 81650 Office of Natural Resources Revenue PO Box 25627 Denver, CO 80225-0627 Greg Bendetti 1509 Arabian Ave Rifle, CO 81650 Paul Randolph Bendetti & Raelana B Wittmeier 1601 H 38 Rd Delta, CO 81416 Karen S Brown 13419 Hwy 392 Greeley, CO 80631 Terry Lynn Bendetti 233 County Road 265 Rifle, CO 81650 WPX Energy Rocky Mountain, LLC Attn Director Infrastructure Services One Williams Center Mail Drop 36 6 Tulsa, OK 74172 ExxonMobil Corporation Accounts Receivable PO Box 951027 Dallas, TX 75395-1027 Judith R Hayward 180 S 2 Ct Parachute, CO 81635 Cristy Ann Hayward Koeneke 8065 Marshall Ct Arvada, CO 80003 Craig L Hayward 582 Manorwood Ln Louisville, CO 80027 70 6 240926400137THROM, DONALD R 240926400150 NOBLE ENERGY INC 240719300955BUREAU OF LAND MANAGEMENT 240935400122HELEY, WILLIAM & SANDY A 240935400123JONES, LINDA High Mesa Compressor Station BUREAU OF LAND MANAGEMENT BUREAU OF LAND MANAGEMENT DAYBREAK REALTY LLC KLEBOLD, LARRY A & KAREN K ENCANA OIL & GAS (USA) INC DAYBREAK REALTY LLC BUREAU OF LAND MANAGEMENT 240721400954 240925100954 240719300162 240935100136 240936100048 240719300162 240936400955 Legend High Mesa Compressor Station Proposed Communication Tower Parcels Highway/Interstate 0 0.5 10.25 Miles PROJECT NO: DRAWN BY: DATE: 011-2059 Jenna Muhlbach 4/12/12 ADJACENT PARCEL MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE AP - 1 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com NRCS Soils Report Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 United States Department of Agriculture A product of the National Cooperative Soil Survey, a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local participants Custom Soil Resource Report for Rifle Area, Colorado, Parts of Garfield and Mesa Counties High Mesa Compressor Station Natural Resources Conservation Service May 15, 2012 Preface Soil surveys contain information that affects land use planning in survey areas. They highlight soil limitations that affect various land uses and provide information about the properties of the soils in the survey areas. Soil surveys are designed for many different users, including farmers, ranchers, foresters, agronomists, urban planners, community officials, engineers, developers, builders, and home buyers. Also, conservationists, teachers, students, and specialists in recreation, waste disposal, and pollution control can use the surveys to help them understand, protect, or enhance the environment. Various land use regulations of Federal, State, and local governments may impose special restrictions on land use or land treatment. Soil surveys identify soil properties that are used in making various land use or land treatment decisions. The information is intended to help the land users identify and reduce the effects of soil limitations on various land uses. The landowner or user is responsible for identifying and complying with existing laws and regulations. Although soil survey information can be used for general farm, local, and wider area planning, onsite investigation is needed to supplement this information in some cases. Examples include soil quality assessments (http://soils.usda.gov/sqi/) and certain conservation and engineering applications. For more detailed information, contact your local USDA Service Center (http://offices.sc.egov.usda.gov/locator/app? agency=nrcs) or your NRCS State Soil Scientist (http://soils.usda.gov/contact/ state_offices/). Great differences in soil properties can occur within short distances. Some soils are seasonally wet or subject to flooding. Some are too unstable to be used as a foundation for buildings or roads. Clayey or wet soils are poorly suited to use as septic tank absorption fields. A high water table makes a soil poorly suited to basements or underground installations. The National Cooperative Soil Survey is a joint effort of the United States Department of Agriculture and other Federal agencies, State agencies including the Agricultural Experiment Stations, and local agencies. The Natural Resources Conservation Service (NRCS) has leadership for the Federal part of the National Cooperative Soil Survey. Information about soils is updated periodically. Updated information is available through the NRCS Soil Data Mart Web site or the NRCS Web Soil Survey. The Soil Data Mart is the data storage site for the official soil survey information. The U.S. Department of Agriculture (USDA) prohibits discrimination in all its programs and activities on the basis of race, color, national origin, age, disability, and where applicable, sex, marital status, familial status, parental status, religion, sexual orientation, genetic information, political beliefs, reprisal, or because all or a part of an individual's income is derived from any public assistance program. (Not all prohibited bases apply to all programs.) Persons with disabilities who require alternative means 2 for communication of program information (Braille, large print, audiotape, etc.) should contact USDA's TARGET Center at (202) 720-2600 (voice and TDD). To file a complaint of discrimination, write to USDA, Director, Office of Civil Rights, 1400 Independence Avenue, S.W., Washington, D.C. 20250-9410 or call (800) 795-3272 (voice) or (202) 720-6382 (TDD). USDA is an equal opportunity provider and employer. 3 Contents Preface....................................................................................................................2 How Soil Surveys Are Made..................................................................................6 Soil Map..................................................................................................................8 Soil Map................................................................................................................9 Legend................................................................................................................10 Map Unit Legend................................................................................................11 Map Unit Descriptions........................................................................................11 Rifle Area, Colorado, Parts of Garfield and Mesa Counties............................13 34—Ildefonso stony loam, 25 to 45 percent slopes....................................13 56—Potts loam, 6 to 12 percent slopes......................................................13 58—Potts-Ildefonso complex, 12 to 25 percent slopes...............................14 66—Torriorthents-Camborthids-Rock outcrop complex, steep...................15 67—Torriorthents-Rock outcrop complex, steep.........................................17 Soil Information for All Uses...............................................................................19 Suitabilities and Limitations for Use....................................................................19 Building Site Development..............................................................................19 Corrosion of Concrete.................................................................................19 Corrosion of Steel........................................................................................22 Local Roads and Streets.............................................................................25 Construction Materials....................................................................................30 Sand Source................................................................................................30 Topsoil Source............................................................................................35 Land Classifications........................................................................................39 Ecological Site ID: NRCS Rangeland Site..................................................39 Land Management..........................................................................................42 Mechanical Site Preparation (Surface)........................................................42 Water Management........................................................................................46 Pond Reservoir Areas.................................................................................47 Excavated Ponds (Aquifer-Fed)..................................................................51 Soil Properties and Qualities..............................................................................55 Soil Qualities and Features.............................................................................55 Depth to Any Soil Restrictive Layer.............................................................55 Drainage Class............................................................................................58 Hydrologic Soil Group.................................................................................61 Representative Slope..................................................................................65 Unified Soil Classification (Surface)............................................................68 Water Features...............................................................................................71 Flooding Frequency Class...........................................................................71 Ponding Frequency Class...........................................................................75 Soil Reports........................................................................................................79 Building Site Development..............................................................................79 Roads and Streets, Shallow Excavations, and Lawns and Landscaping....79 Soil Chemical Properties.................................................................................82 Chemical Soil Properties.............................................................................82 4 Soil Physical Properties..................................................................................86 Particle Size and Coarse Fragments...........................................................86 Physical Soil Properties...............................................................................90 Soil Qualities and Features.............................................................................95 Soil Features...............................................................................................95 Water Features...............................................................................................98 Water Features............................................................................................98 Water Management......................................................................................101 Ponds and Embankments.........................................................................101 References..........................................................................................................104 Custom Soil Resource Report 5 How Soil Surveys Are Made Soil surveys are made to provide information about the soils and miscellaneous areas in a specific area. They include a description of the soils and miscellaneous areas and their location on the landscape and tables that show soil properties and limitations affecting various uses. Soil scientists observed the steepness, length, and shape of the slopes; the general pattern of drainage; the kinds of crops and native plants; and the kinds of bedrock. They observed and described many soil profiles. A soil profile is the sequence of natural layers, or horizons, in a soil. The profile extends from the surface down into the unconsolidated material in which the soil formed or from the surface down to bedrock. The unconsolidated material is devoid of roots and other living organisms and has not been changed by other biological activity. Currently, soils are mapped according to the boundaries of major land resource areas (MLRAs). MLRAs are geographically associated land resource units that share common characteristics related to physiography, geology, climate, water resources, soils, biological resources, and land uses (USDA, 2006). Soil survey areas typically consist of parts of one or more MLRA. The soils and miscellaneous areas in a survey area occur in an orderly pattern that is related to the geology, landforms, relief, climate, and natural vegetation of the area. Each kind of soil and miscellaneous area is associated with a particular kind of landform or with a segment of the landform. By observing the soils and miscellaneous areas in the survey area and relating their position to specific segments of the landform, a soil scientist develops a concept, or model, of how they were formed. Thus, during mapping, this model enables the soil scientist to predict with a considerable degree of accuracy the kind of soil or miscellaneous area at a specific location on the landscape. Commonly, individual soils on the landscape merge into one another as their characteristics gradually change. To construct an accurate soil map, however, soil scientists must determine the boundaries between the soils. They can observe only a limited number of soil profiles. Nevertheless, these observations, supplemented by an understanding of the soil-vegetation-landscape relationship, are sufficient to verify predictions of the kinds of soil in an area and to determine the boundaries. Soil scientists recorded the characteristics of the soil profiles that they studied. They noted soil color, texture, size and shape of soil aggregates, kind and amount of rock fragments, distribution of plant roots, reaction, and other features that enable them to identify soils. After describing the soils in the survey area and determining their properties, the soil scientists assigned the soils to taxonomic classes (units). Taxonomic classes are concepts. Each taxonomic class has a set of soil characteristics with precisely defined limits. The classes are used as a basis for comparison to classify soils systematically. Soil taxonomy, the system of taxonomic classification used in the United States, is based mainly on the kind and character of soil properties and the arrangement of horizons within the profile. After the soil scientists classified and named the soils in the survey area, they compared the 6 individual soils with similar soils in the same taxonomic class in other areas so that they could confirm data and assemble additional data based on experience and research. The objective of soil mapping is not to delineate pure map unit components; the objective is to separate the landscape into landforms or landform segments that have similar use and management requirements. Each map unit is defined by a unique combination of soil components and/or miscellaneous areas in predictable proportions. Some components may be highly contrasting to the other components of the map unit. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The delineation of such landforms and landform segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, onsite investigation is needed to define and locate the soils and miscellaneous areas. Soil scientists make many field observations in the process of producing a soil map. The frequency of observation is dependent upon several factors, including scale of mapping, intensity of mapping, design of map units, complexity of the landscape, and experience of the soil scientist. Observations are made to test and refine the soil- landscape model and predictions and to verify the classification of the soils at specific locations. Once the soil-landscape model is refined, a significantly smaller number of measurements of individual soil properties are made and recorded. These measurements may include field measurements, such as those for color, depth to bedrock, and texture, and laboratory measurements, such as those for content of sand, silt, clay, salt, and other components. Properties of each soil typically vary from one point to another across the landscape. Observations for map unit components are aggregated to develop ranges of characteristics for the components. The aggregated values are presented. Direct measurements do not exist for every property presented for every map unit component. Values for some properties are estimated from combinations of other properties. While a soil survey is in progress, samples of some of the soils in the area generally are collected for laboratory analyses and for engineering tests. Soil scientists interpret the data from these analyses and tests as well as the field-observed characteristics and the soil properties to determine the expected behavior of the soils under different uses. Interpretations for all of the soils are field tested through observation of the soils in different uses and under different levels of management. Some interpretations are modified to fit local conditions, and some new interpretations are developed to meet local needs. Data are assembled from other sources, such as research information, production records, and field experience of specialists. For example, data on crop yields under defined levels of management are assembled from farm records and from field or plot experiments on the same kinds of soil. Predictions about soil behavior are based not only on soil properties but also on such variables as climate and biological activity. Soil conditions are predictable over long periods of time, but they are not predictable from year to year. For example, soil scientists can predict with a fairly high degree of accuracy that a given soil will have a high water table within certain depths in most years, but they cannot predict that a high water table will always be at a specific level in the soil on a specific date. After soil scientists located and identified the significant natural bodies of soil in the survey area, they drew the boundaries of these bodies on aerial photographs and identified each as a specific map unit. Aerial photographs show trees, buildings, fields, roads, and rivers, all of which help in locating boundaries accurately. Custom Soil Resource Report 7 Soil Map The soil map section includes the soil map for the defined area of interest, a list of soil map units on the map and extent of each map unit, and cartographic symbols displayed on the map. Also presented are various metadata about data used to produce the map, and a description of each soil map unit. 8 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters± 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportSoil Map MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Special Point Features Blowout Borrow Pit Clay Spot Closed Depression Gravel Pit Gravelly Spot Landfill Lava Flow Marsh or swamp Mine or Quarry Miscellaneous Water Perennial Water Rock Outcrop Saline Spot Sandy Spot Severely Eroded Spot Sinkhole Slide or Slip Sodic Spot Spoil Area Stony Spot Very Stony Spot Wet Spot Other Special Line Features Gully Short Steep Slope Other Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Map Unit Legend Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map Unit Symbol Map Unit Name Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep 10.3 2.1% Totals for Area of Interest 478.6 100.0% Map Unit Descriptions The map units delineated on the detailed soil maps in a soil survey represent the soils or miscellaneous areas in the survey area. The map unit descriptions, along with the maps, can be used to determine the composition and properties of a unit. A map unit delineation on a soil map represents an area dominated by one or more major kinds of soil or miscellaneous areas. A map unit is identified and named according to the taxonomic classification of the dominant soils. Within a taxonomic class there are precisely defined limits for the properties of the soils. On the landscape, however, the soils are natural phenomena, and they have the characteristic variability of all natural phenomena. Thus, the range of some observed properties may extend beyond the limits defined for a taxonomic class. Areas of soils of a single taxonomic class rarely, if ever, can be mapped without including areas of other taxonomic classes. Consequently, every map unit is made up of the soils or miscellaneous areas for which it is named and some minor components that belong to taxonomic classes other than those of the major soils. Most minor soils have properties similar to those of the dominant soil or soils in the map unit, and thus they do not affect use and management. These are called noncontrasting, or similar, components. They may or may not be mentioned in a particular map unit description. Other minor components, however, have properties and behavioral characteristics divergent enough to affect use or to require different management. These are called contrasting, or dissimilar, components. They generally are in small areas and could not be mapped separately because of the scale used. Some small areas of strongly contrasting soils or miscellaneous areas are identified by a special symbol on the maps. If included in the database for a given area, the contrasting minor components are identified in the map unit descriptions along with some characteristics of each. A few areas of minor components may not have been observed, and consequently they are not mentioned in the descriptions, especially where the pattern was so complex that it was impractical to make enough observations to identify all the soils and miscellaneous areas on the landscape. The presence of minor components in a map unit in no way diminishes the usefulness or accuracy of the data. The objective of mapping is not to delineate pure taxonomic classes but rather to separate the landscape into landforms or landform segments that Custom Soil Resource Report 11 have similar use and management requirements. The delineation of such segments on the map provides sufficient information for the development of resource plans. If intensive use of small areas is planned, however, onsite investigation is needed to define and locate the soils and miscellaneous areas. An identifying symbol precedes the map unit name in the map unit descriptions. Each description includes general facts about the unit and gives important soil properties and qualities. Soils that have profiles that are almost alike make up a soil series. Except for differences in texture of the surface layer, all the soils of a series have major horizons that are similar in composition, thickness, and arrangement. Soils of one series can differ in texture of the surface layer, slope, stoniness, salinity, degree of erosion, and other characteristics that affect their use. On the basis of such differences, a soil series is divided into soil phases. Most of the areas shown on the detailed soil maps are phases of soil series. The name of a soil phase commonly indicates a feature that affects use or management. For example, Alpha silt loam, 0 to 2 percent slopes, is a phase of the Alpha series. Some map units are made up of two or more major soils or miscellaneous areas. These map units are complexes, associations, or undifferentiated groups. A complex consists of two or more soils or miscellaneous areas in such an intricate pattern or in such small areas that they cannot be shown separately on the maps. The pattern and proportion of the soils or miscellaneous areas are somewhat similar in all areas. Alpha-Beta complex, 0 to 6 percent slopes, is an example. An association is made up of two or more geographically associated soils or miscellaneous areas that are shown as one unit on the maps. Because of present or anticipated uses of the map units in the survey area, it was not considered practical or necessary to map the soils or miscellaneous areas separately. The pattern and relative proportion of the soils or miscellaneous areas are somewhat similar. Alpha- Beta association, 0 to 2 percent slopes, is an example. An undifferentiated group is made up of two or more soils or miscellaneous areas that could be mapped individually but are mapped as one unit because similar interpretations can be made for use and management. The pattern and proportion of the soils or miscellaneous areas in a mapped area are not uniform. An area can be made up of only one of the major soils or miscellaneous areas, or it can be made up of all of them. Alpha and Beta soils, 0 to 2 percent slopes, is an example. Some surveys include miscellaneous areas. Such areas have little or no soil material and support little or no vegetation. Rock outcrop is an example. Custom Soil Resource Report 12 Rifle Area, Colorado, Parts of Garfield and Mesa Counties 34—Ildefonso stony loam, 25 to 45 percent slopes Map Unit Setting Elevation:5,000 to 6,500 feet Map Unit Composition Ildefonso and similar soils:90 percent Description of Ildefonso Setting Landform:Alluvial fans, valley sides, breaks Down-slope shape:Linear, convex Across-slope shape:Linear, convex Parent material:Mixed alluvium derived from basalt Properties and qualities Slope:25 to 45 percent Depth to restrictive feature:More than 80 inches Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately high to high (0.60 to 6.00 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:35 percent Maximum salinity:Nonsaline to very slightly saline (0.0 to 4.0 mmhos/cm) Available water capacity:Low (about 5.1 inches) Interpretive groups Land capability (nonirrigated):7e Typical profile 0 to 8 inches:Stony loam 8 to 60 inches:Very stony loam 56—Potts loam, 6 to 12 percent slopes Map Unit Setting Elevation:5,000 to 7,000 feet Map Unit Composition Potts and similar soils:85 percent Description of Potts Setting Landform:Valley sides, benches, mesas Down-slope shape:Convex, linear Across-slope shape:Convex, linear Custom Soil Resource Report 13 Parent material:Alluvium derived from basalt and/or alluvium derived from sandstone and shale Properties and qualities Slope:6 to 12 percent Depth to restrictive feature:More than 80 inches Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately high (0.20 to 0.60 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:15 percent Maximum salinity:Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:High (about 10.3 inches) Interpretive groups Land capability classification (irrigated):4e Land capability (nonirrigated):4e Ecological site:Rolling Loam (R048AY298CO) Typical profile 0 to 4 inches:Loam 4 to 28 inches:Clay loam 28 to 60 inches:Loam 58—Potts-Ildefonso complex, 12 to 25 percent slopes Map Unit Setting Elevation:5,000 to 6,500 feet Map Unit Composition Potts and similar soils:60 percent Ildefonso and similar soils:30 percent Description of Potts Setting Landform:Valley sides, alluvial fans, mesas Down-slope shape:Convex, linear Across-slope shape:Convex, linear Parent material:Alluvium derived from basalt and/or alluvium derived from sandstone and shale Properties and qualities Slope:12 to 25 percent Depth to restrictive feature:More than 80 inches Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately high (0.20 to 0.60 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Custom Soil Resource Report 14 Calcium carbonate, maximum content:15 percent Maximum salinity:Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:High (about 10.3 inches) Interpretive groups Land capability (nonirrigated):6e Ecological site:Rolling Loam (R048AY298CO) Typical profile 0 to 4 inches:Loam 4 to 28 inches:Clay loam 28 to 60 inches:Loam Description of Ildefonso Setting Landform:Alluvial fans, mesas, valley sides Down-slope shape:Convex Across-slope shape:Convex Parent material:Alluvium derived from basalt and/or alluvium derived from sandstone and shale Properties and qualities Slope:12 to 25 percent Depth to restrictive feature:More than 80 inches Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately high to high (0.60 to 6.00 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:35 percent Maximum salinity:Nonsaline to very slightly saline (0.0 to 4.0 mmhos/cm) Available water capacity:Low (about 5.1 inches) Interpretive groups Land capability (nonirrigated):6e Typical profile 0 to 8 inches:Stony loam 8 to 60 inches:Very stony loam 66—Torriorthents-Camborthids-Rock outcrop complex, steep Map Unit Setting Elevation:5,000 to 8,500 feet Mean annual precipitation:10 to 15 inches Mean annual air temperature:39 to 46 degrees F Frost-free period:80 to 105 days Map Unit Composition Torriorthents, steep, and similar soils:45 percent Custom Soil Resource Report 15 Camborthids, steep, and similar soils:20 percent Rock outcrop, steep:15 percent Description of Torriorthents, Steep Setting Landform:Mountainsides Landform position (two-dimensional):Footslope Landform position (three-dimensional):Mountainflank, base slope Down-slope shape:Convex Across-slope shape:Convex Parent material:Stony, basaltic alluvium derived from sandstone and shale Properties and qualities Slope:15 to 70 percent Depth to restrictive feature:4 to 30 inches to lithic bedrock Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:5 percent Maximum salinity:Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:Very low (about 2.4 inches) Interpretive groups Land capability (nonirrigated):7e Typical profile 0 to 4 inches:Variable 4 to 30 inches:Fine sandy loam 30 to 34 inches:Unweathered bedrock Description of Camborthids, Steep Setting Landform:Mountainsides Landform position (two-dimensional):Footslope Landform position (three-dimensional):Mountainflank, base slope Down-slope shape:Convex Across-slope shape:Convex Parent material:Stony, basaltic alluvium derived from sandstone and shale Properties and qualities Slope:15 to 65 percent Depth to restrictive feature:15 to 60 inches to lithic bedrock Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:10 percent Gypsum, maximum content:2 percent Maximum salinity:Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:Low (about 4.0 inches) Custom Soil Resource Report 16 Interpretive groups Land capability (nonirrigated):7e Typical profile 0 to 4 inches:Variable 4 to 30 inches:Clay loam 30 to 34 inches:Unweathered bedrock Description of Rock Outcrop, Steep Setting Landform:Mountainsides Landform position (three-dimensional):Free face Down-slope shape:Convex Across-slope shape:Convex Properties and qualities Slope:15 to 70 percent Depth to restrictive feature:0 inches to paralithic bedrock Capacity of the most limiting layer to transmit water (Ksat):Very low to moderately high (0.00 to 0.20 in/hr) Available water capacity:Very low (about 0.0 inches) Interpretive groups Land capability (nonirrigated):8s Typical profile 0 to 60 inches:Unweathered bedrock 67—Torriorthents-Rock outcrop complex, steep Map Unit Setting Elevation:5,800 to 8,500 feet Mean annual precipitation:10 to 15 inches Mean annual air temperature:39 to 46 degrees F Frost-free period:80 to 105 days Map Unit Composition Torriorthents, steep, and similar soils:60 percent Rock outcrop, steep:25 percent Description of Torriorthents, Steep Setting Landform:Mountainsides Landform position (two-dimensional):Footslope Landform position (three-dimensional):Mountainflank, base slope Down-slope shape:Concave, convex Across-slope shape:Concave, convex Parent material:Stony, basaltic alluvium derived from sandstone and shale Custom Soil Resource Report 17 Properties and qualities Slope:15 to 70 percent Depth to restrictive feature:4 to 30 inches to lithic bedrock Drainage class:Well drained Capacity of the most limiting layer to transmit water (Ksat):Moderately low to moderately high (0.06 to 0.20 in/hr) Depth to water table:More than 80 inches Frequency of flooding:None Frequency of ponding:None Calcium carbonate, maximum content:5 percent Maximum salinity:Nonsaline (0.0 to 2.0 mmhos/cm) Available water capacity:Very low (about 2.4 inches) Interpretive groups Land capability (nonirrigated):7e Typical profile 0 to 4 inches:Variable 4 to 30 inches:Fine sandy loam 30 to 34 inches:Unweathered bedrock Description of Rock Outcrop, Steep Setting Landform:Mountainsides Landform position (three-dimensional):Free face Down-slope shape:Convex Across-slope shape:Convex Properties and qualities Slope:15 to 70 percent Depth to restrictive feature:0 inches to paralithic bedrock Capacity of the most limiting layer to transmit water (Ksat):Very low to moderately high (0.00 to 0.20 in/hr) Available water capacity:Very low (about 0.0 inches) Interpretive groups Land capability (nonirrigated):8s Typical profile 0 to 60 inches:Unweathered bedrock Custom Soil Resource Report 18 Soil Information for All Uses Suitabilities and Limitations for Use The Suitabilities and Limitations for Use section includes various soil interpretations displayed as thematic maps with a summary table for the soil map units in the selected area of interest. A single value or rating for each map unit is generated by aggregating the interpretive ratings of individual map unit components. This aggregation process is defined for each interpretation. Building Site Development Building site development interpretations are designed to be used as tools for evaluating soil suitability and identifying soil limitations for various construction purposes. As part of the interpretation process, the rating applies to each soil in its described condition and does not consider present land use. Example interpretations can include corrosion of concrete and steel, shallow excavations, dwellings with and without basements, small commercial buildings, local roads and streets, and lawns and landscaping. Corrosion of Concrete "Risk of corrosion" pertains to potential soil-induced electrochemical or chemical action that corrodes or weakens concrete. The rate of corrosion of concrete is based mainly on the sulfate and sodium content, texture, moisture content, and acidity of the soil. Special site examination and design may be needed if the combination of factors results in a severe hazard of corrosion. The concrete in installations that intersect soil boundaries or soil layers is more susceptible to corrosion than the concrete in installations that are entirely within one kind of soil or within one soil layer. The risk of corrosion is expressed as "low," "moderate," or "high." 19 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Corrosion of Concrete MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings High Moderate Low Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Corrosion of Concrete Corrosion of Concrete— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Low 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes High 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes High 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep Low 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep Low 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Corrosion of Concrete Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Corrosion of Steel "Risk of corrosion" pertains to potential soil-induced electrochemical or chemical action that corrodes or weakens uncoated steel. The rate of corrosion of uncoated steel is related to such factors as soil moisture, particle-size distribution, acidity, and electrical conductivity of the soil. Special site examination and design may be needed if the combination of factors results in a severe hazard of corrosion. The steel in installations that intersect soil boundaries or soil layers is more susceptible to corrosion than the steel in installations that are entirely within one kind of soil or within one soil layer. The risk of corrosion is expressed as "low," "moderate," or "high." Custom Soil Resource Report 22 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Corrosion of Steel MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings High Moderate Low Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Corrosion of Steel Corrosion of Steel— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Moderate 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes High 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes High 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep High 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep High 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Corrosion of Steel Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Local Roads and Streets Local roads and streets have an all-weather surface and carry automobile and light truck traffic all year. They have a subgrade of cut or fill soil material; a base of gravel, crushed rock, or soil material stabilized by lime or cement; and a surface of flexible material (asphalt), rigid material (concrete), or gravel with a binder. The ratings are based on the soil properties that affect the ease of excavation and grading and the traffic-supporting capacity. The properties that affect the ease of excavation and grading are depth to bedrock or a cemented pan, hardness of bedrock or a cemented pan, depth to a water table, ponding, flooding, the amount of large stones, and slope. The properties that affect the traffic-supporting capacity are soil strength (as inferred from the AASHTO group index number), subsidence, linear extensibility (shrink-swell potential), the potential for frost action, depth to a water table, and ponding. The ratings are both verbal and numerical. Rating class terms indicate the extent to which the soils are limited by all of the soil features that affect the specified use. "Not limited" indicates that the soil has features that are very favorable for the specified use. Good performance and very low maintenance can be expected. "Somewhat limited" indicates that the soil has features that are moderately favorable for the specified use. The limitations can be overcome or minimized by special planning, design, or installation. Fair performance and moderate maintenance can be expected. "Very limited" indicates that the soil has one or more features that are unfavorable for the specified use. The limitations generally cannot be overcome without major soil reclamation, special design, or expensive installation procedures. Poor performance and high maintenance can be expected. Custom Soil Resource Report 25 Numerical ratings indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the use (1.00) and the point at which the soil feature is not a limitation (0.00). The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 26 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Local Roads and Streets MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Very limited Somewhat limited Not limited Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Local Roads and Streets Local Roads and Streets— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Very limited Ildefonso (90%)Slope (1.00)164.8 34.4% Large stones content (1.00) 56 Potts loam, 6 to 12 percent slopes Very limited Potts (85%)Low strength (1.00) 68.5 14.3% Shrink-swell (0.50) Slope (0.04) 58 Potts-Ildefonso complex, 12 to 25 percent slopes Very limited Potts (60%)Slope (1.00)109.8 22.9% Low strength (1.00) Shrink-swell (0.50) Ildefonso (30%)Slope (1.00) Large stones content (1.00) 66 Torriorthents-Camborthids- Rock outcrop complex, steep Very limited Torriorthents, steep (45%)Depth to hard bedrock (1.00) 125.1 26.1% Slope (1.00) Camborthids, steep (20%)Slope (1.00) Shrink-swell (0.50) Low strength (0.22) Depth to hard bedrock (0.02) 67 Torriorthents-Rock outcrop complex, steep Very limited Torriorthents, steep (60%)Depth to hard bedrock (1.00) 10.3 2.1% Slope (1.00) Totals for Area of Interest 478.6 100.0% Local Roads and Streets— Summary by Rating Value Rating Acres in AOI Percent of AOI Very limited 478.6 100.0% Totals for Area of Interest 478.6 100.0% Custom Soil Resource Report 29 Rating Options—Local Roads and Streets Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Construction Materials Construction materials interpretations are tools designed to provide guidance to users in selecting a site for potential source of various materials. Individual soils or groups of soils may be selected as a potential source because they are close at hand, are the only source available, or they meets some or all of the physical or chemical properties required for the intended application. Example interpretations include roadfill, sand and gravel, topsoil and reclamation material. Sand Source Sand is a natural aggregate (0.05 millimeter to 2 millimeters in diameter) suitable for commercial use with a minimum of processing. It is used in many kinds of construction. Specifications for each use vary widely. Only the probability of finding material in suitable quantity is evaluated. The suitability of the material for specific purposes is not evaluated, nor are factors that affect excavation of the material. The properties used to evaluate the soil as a source of sand are gradation of grain sizes (as indicated by the Unified classification of the soil), the thickness of suitable material, and the content of rock fragments. If the bottom layer of the soil contains sand, the soil is considered a likely source regardless of thickness. The assumption is that the sand layer below the depth of observation exceeds the minimum thickness. The ratings are for the whole soil, from the surface to a depth of about 6 feet. The soils are rated "good," "fair," or "poor" as potential sources of sand. A rating of "good" or "fair" means that sand is likely to be in or below the soil. The bottom layer and the thickest layer of the soil are assigned numerical ratings. These ratings indicate the likelihood that the layer is a source of sand. The number 0.00 indicates that the layer is a "poor source." The number 1.00 indicates that the layer is a "good source." A number between 0.00 and 1.00 indicates the degree to which the layer is a likely source. The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Custom Soil Resource Report 30 Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 31 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Sand Source MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Poor Fair Good Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Sand Source Sand Source— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Poor Ildefonso (90%)Bottom layer (0.00) 164.8 34.4% Thickest layer (0.00) 56 Potts loam, 6 to 12 percent slopes Poor Potts (85%)Bottom layer (0.00) 68.5 14.3% Thickest layer (0.00) 58 Potts-Ildefonso complex, 12 to 25 percent slopes Poor Potts (60%)Bottom layer (0.00) 109.8 22.9% Thickest layer (0.00) Ildefonso (30%)Bottom layer (0.00) Thickest layer (0.00) 66 Torriorthents-Camborthids- Rock outcrop complex, steep Poor Torriorthents, steep (45%)Bottom layer (0.00) 125.1 26.1% Thickest layer (0.00) Camborthids, steep (20%)Bottom layer (0.00) Thickest layer (0.00) 67 Torriorthents-Rock outcrop complex, steep Poor Torriorthents, steep (60%)Bottom layer (0.00) 10.3 2.1% Thickest layer (0.00) Totals for Area of Interest 478.6 100.0% Sand Source— Summary by Rating Value Rating Acres in AOI Percent of AOI Poor 478.6 100.0% Totals for Area of Interest 478.6 100.0% Rating Options—Sand Source Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Lower Custom Soil Resource Report 34 Topsoil Source Topsoil is used to cover an area so that vegetation can be established and maintained. The surface layer of most soils is generally preferred for topsoil because of its content of organic matter. Organic matter greatly increases the absorption and retention of moisture and nutrients for plant growth. The upper 40 inches of a soil is evaluated for use as topsoil. Also evaluated is the reclamation potential of the borrow area. Normal compaction, minor processing, and other standard construction practices are assumed. The soils are rated "good," "fair," or "poor" as potential sources of topsoil. The ratings are based on the soil properties that affect plant growth; the ease of excavating, loading, and spreading the material; and reclamation of the borrow area. Toxic substances, soil reaction, and the properties that are inferred from soil texture, such as available water capacity and fertility, affect plant growth. The ease of excavating, loading, and spreading is affected by rock fragments, slope, depth to a water table, soil texture, and thickness of suitable material. Reclamation of the borrow area is affected by slope, depth to a water table, rock fragments, depth to bedrock or a cemented pan, and toxic material. Numerical ratings between 0.00 and 0.99 are given after the specified features. These numbers indicate the degree to which the features limit the soils as sources of topsoil. The lower the number, the greater the limitation. The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 35 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Topsoil Source MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Poor Fair Good Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Topsoil Source Topsoil Source— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Poor Ildefonso (90%)Slope (0.00)164.8 34.4% Rock fragments (0.00) Hard to reclaim (rock fragments) (0.00) Carbonate content (0.84) 56 Potts loam, 6 to 12 percent slopes Fair Potts (85%)Too clayey (0.72)68.5 14.3% Slope (0.96) 58 Potts-Ildefonso complex, 12 to 25 percent slopes Poor Potts (60%)Slope (0.00)109.8 22.9% Too clayey (0.72) Ildefonso (30%)Slope (0.00) Rock fragments (0.00) Hard to reclaim (rock fragments) (0.00) Carbonate content (0.84) 66 Torriorthents-Camborthids- Rock outcrop complex, steep Poor Torriorthents, steep (45%)Slope (0.00)125.1 26.1% Depth to bedrock (0.00) Rock fragments (0.88) Camborthids, steep (20%)Slope (0.00) Rock fragments (0.97) Depth to bedrock (0.98) 67 Torriorthents-Rock outcrop complex, steep Poor Torriorthents, steep (60%)Slope (0.00)10.3 2.1% Depth to bedrock (0.00) Rock fragments (0.98) Totals for Area of Interest 478.6 100.0% Topsoil Source— Summary by Rating Value Rating Acres in AOI Percent of AOI Poor 410.0 85.7% Fair 68.5 14.3% Totals for Area of Interest 478.6 100.0% Custom Soil Resource Report 38 Rating Options—Topsoil Source Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Lower Land Classifications Land Classifications are specified land use and management groupings that are assigned to soil areas because combinations of soil have similar behavior for specified practices. Most are based on soil properties and other factors that directly influence the specific use of the soil. Example classifications include ecological site classification, farmland classification, irrigated and nonirrigated land capability classification, and hydric rating. Ecological Site ID: NRCS Rangeland Site An "ecological site ID" is the symbol assigned to a particular ecological site. An "ecological site" is the product of all the environmental factors responsible for its development. It has characteristic soils that have developed over time; a characteristic hydrology, particularly infiltration and runoff, that has developed over time; and a characteristic plant community (kind and amount of vegetation). The vegetation, soils, and hydrology are all interrelated. Each is influenced by the others and influences the development of the others. For example, the hydrology of the site is influenced by development of the soil and plant community. The plant community on an ecological site is typified by an association of species that differs from that of other ecological sites in the kind and/or proportion of species or in total production. Descriptions of ecological sites are provided in the Field Office Technical Guide, which is available in local offices of the Natural Resources Conservation Service. Custom Soil Resource Report 39 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Ecological Site ID: NRCS Rangeland Site MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings R048AY298CO Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Ecological Site ID: NRCS Rangeland Site Ecological Site ID: NRCS Rangeland Site— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes R048AY298CO 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes R048AY298CO 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Ecological Site ID: NRCS Rangeland Site Class: NRCS Rangeland Site Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Lower Land Management Land management interpretations are tools designed to guide the user in evaluating existing conditions in planning and predicting the soil response to various land management practices, for a variety of land uses, including cropland, forestland, hayland, pastureland, horticulture, and rangeland. Example interpretations include suitability for a variety of irrigation practices, log landings, haul roads and major skid trails, equipment operability, site preparation, suitability for hand and mechanical planting, potential erosion hazard associated with various practices, and ratings for fencing and waterline installation. Mechanical Site Preparation (Surface) The ratings in this interpretation indicate the suitability for use of surface-altering soil tillage equipment during site preparation in forested areas. The ratings are based on slope, depth to a restrictive layer, plasticity index, rock fragments on or below the surface, depth to a water table, and ponding. The part of the soil from the surface to a depth of about 1 foot is considered in the ratings. The ratings are both verbal and numerical. Rating class terms indicate the degree to which the soils are suited to this aspect of forestland management. The soils are Custom Soil Resource Report 42 described as "well suited," "poorly suited," or "unsuited" to this management activity. "Well suited" indicates that the soil has features that are favorable for the specified kind of site preparation and has no limitations. Good performance can be expected, and little or no maintenance is needed. "Poorly suited" indicates that the soil has one or more properties that are unfavorable for the specified kind of site preparation. Overcoming the unfavorable properties requires special design, extra maintenance, and costly alteration. "Unsuited" indicates that the expected performance of the soil is unacceptable for the specified kind of site preparation or that extreme measures are needed to overcome the undesirable soil properties. Numerical ratings indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the specified aspect of forestland management (1.00) and the point at which the soil feature is not a limitation (0.00). The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 43 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Mechanical Site Preparation (Surface) MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Unsuited Poorly suited Well suited Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Mechanical Site Preparation (Surface) Mechanical Site Preparation (Surface)— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Poorly suited Ildefonso (90%)Slope (0.50)164.8 34.4% Rock fragments (0.50) 56 Potts loam, 6 to 12 percent slopes Well suited Potts (85%)68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes Poorly suited Potts (60%)Slope (0.50)109.8 22.9% Ildefonso (30%)Slope (0.50) Rock fragments (0.50) 66 Torriorthents- Camborthids-Rock outcrop complex, steep Unsuited Torriorthents, steep (45%)Slope (1.00)125.1 26.1% Camborthids, steep (20%)Slope (1.00) Rock outcrop, steep (15%)Slope (1.00) 67 Torriorthents-Rock outcrop complex, steep Unsuited Torriorthents, steep (60%)Slope (1.00)10.3 2.1% Rock outcrop, steep (25%)Slope (1.00) Totals for Area of Interest 478.6 100.0% Mechanical Site Preparation (Surface)— Summary by Rating Value Rating Acres in AOI Percent of AOI Poorly suited 274.6 57.4% Unsuited 135.4 28.3% Well suited 68.5 14.3% Totals for Area of Interest 478.6 100.0% Rating Options—Mechanical Site Preparation (Surface) Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Water Management Water Management interpretations are tools for evaluating the potential of the soil in the application of various water management practices. Example interpretations include pond reservoir area, embankments, dikes, levees, and excavated ponds. Custom Soil Resource Report 46 Pond Reservoir Areas Pond reservoir areas hold water behind a dam or embankment. Soils best suited to this use have low seepage potential in the upper 60 inches. The seepage potential is determined by the saturated hydraulic conductivity (Ksat) of the soil and the depth to fractured bedrock or other permeable material. Excessive slope can affect the storage capacity of the reservoir area. The ratings are both verbal and numerical. Rating class terms indicate the extent to which the soils are limited by all of the soil features that affect the specified use. "Not limited" indicates that the soil has features that are very favorable for the specified use. Good performance and very low maintenance can be expected. "Somewhat limited" indicates that the soil has features that are moderately favorable for the specified use. The limitations can be overcome or minimized by special planning, design, or installation. Fair performance and moderate maintenance can be expected. "Very limited" indicates that the soil has one or more features that are unfavorable for the specified use. The limitations generally cannot be overcome without major soil reclamation, special design, or expensive installation procedures. Poor performance and high maintenance can be expected. Numerical ratings indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the use (1.00) and the point at which the soil feature is not a limitation (0.00). The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 47 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Pond Reservoir Areas MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Very limited Somewhat limited Not limited Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Pond Reservoir Areas Pond Reservoir Areas— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Very limited Ildefonso (90%)Slope (1.00)164.8 34.4% Seepage (1.00) 56 Potts loam, 6 to 12 percent slopes Very limited Potts (85%)Slope (1.00)68.5 14.3% Seepage (1.00) 58 Potts-Ildefonso complex, 12 to 25 percent slopes Very limited Potts (60%)Slope (1.00)109.8 22.9% Seepage (1.00) Ildefonso (30%)Slope (1.00) Seepage (1.00) 66 Torriorthents-Camborthids- Rock outcrop complex, steep Very limited Torriorthents, steep (45%)Slope (1.00)125.1 26.1% Depth to bedrock (1.00) Seepage (0.72) Camborthids, steep (20%)Slope (1.00) Seepage (0.72) Depth to bedrock (0.59) Rock outcrop, steep (15%)Slope (1.00) Depth to bedrock (1.00) 67 Torriorthents-Rock outcrop complex, steep Very limited Torriorthents, steep (60%)Slope (1.00)10.3 2.1% Depth to bedrock (1.00) Seepage (0.72) Rock outcrop, steep (25%)Slope (1.00) Depth to bedrock (1.00) Totals for Area of Interest 478.6 100.0% Pond Reservoir Areas— Summary by Rating Value Rating Acres in AOI Percent of AOI Very limited 478.6 100.0% Totals for Area of Interest 478.6 100.0% Custom Soil Resource Report 50 Rating Options—Pond Reservoir Areas Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Excavated Ponds (Aquifer-Fed) Excavated ponds (aquifer-fed) are pits or dugouts that extend to a ground-water aquifer or to a depth below a permanent water table. Excluded are ponds that are fed only by surface runoff and embankment ponds that impound water 3 feet or more above the original surface. Excavated ponds are affected by depth to a permanent water table, saturated hydraulic conductivity (Ksat) of the aquifer, and quality of the water as inferred from the salinity of the soil. Depth to bedrock and the content of large stones affect the ease of excavation. The ratings are both verbal and numerical. Rating class terms indicate the extent to which the soils are limited by all of the soil features that affect the specified use. "Not limited" indicates that the soil has features that are very favorable for the specified use. Good performance and very low maintenance can be expected. "Somewhat limited" indicates that the soil has features that are moderately favorable for the specified use. The limitations can be overcome or minimized by special planning, design, or installation. Fair performance and moderate maintenance can be expected. "Very limited" indicates that the soil has one or more features that are unfavorable for the specified use. The limitations generally cannot be overcome without major soil reclamation, special design, or expensive installation procedures. Poor performance and high maintenance can be expected. Numerical ratings indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the use (1.00) and the point at which the soil feature is not a limitation (0.00). The map unit components listed for each map unit in the accompanying Summary by Map Unit table in Web Soil Survey or the Aggregation Report in Soil Data Viewer are determined by the aggregation method chosen. An aggregated rating class is shown for each map unit. The components listed for each map unit are only those that have the same rating class as listed for the map unit. The percent composition of each component in a particular map unit is presented to help the user better understand the percentage of each map unit that has the rating presented. Other components with different ratings may be present in each map unit. The ratings for all components, regardless of the map unit aggregated rating, can be viewed by generating the equivalent report from the Soil Reports tab in Web Soil Survey or from the Soil Data Mart site. Onsite investigation may be needed to validate these interpretations and to confirm the identity of the soil on a given site. Custom Soil Resource Report 51 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Excavated Ponds (Aquifer-Fed) MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Very limited Somewhat limited Not limited Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Tables—Excavated Ponds (Aquifer-Fed) Excavated Ponds (Aquifer-Fed)— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Component name (percent)Rating reasons (numeric values) Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Very limited Ildefonso (90%)Depth to water (1.00) 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes Very limited Potts (85%)Depth to water (1.00) 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes Very limited Potts (60%)Depth to water (1.00) 109.8 22.9% Ildefonso (30%)Depth to water (1.00) 66 Torriorthents-Camborthids- Rock outcrop complex, steep Very limited Torriorthents, steep (45%)Depth to water (1.00) 125.1 26.1% Camborthids, steep (20%)Depth to water (1.00) 67 Torriorthents-Rock outcrop complex, steep Very limited Torriorthents, steep (60%)Depth to water (1.00) 10.3 2.1% Totals for Area of Interest 478.6 100.0% Excavated Ponds (Aquifer-Fed)— Summary by Rating Value Rating Acres in AOI Percent of AOI Very limited 478.6 100.0% Totals for Area of Interest 478.6 100.0% Rating Options—Excavated Ponds (Aquifer-Fed) Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Custom Soil Resource Report 54 Soil Properties and Qualities The Soil Properties and Qualities section includes various soil properties and qualities displayed as thematic maps with a summary table for the soil map units in the selected area of interest. A single value or rating for each map unit is generated by aggregating the interpretive ratings of individual map unit components. This aggregation process is defined for each property or quality. Soil Qualities and Features Soil qualities are behavior and performance attributes that are not directly measured, but are inferred from observations of dynamic conditions and from soil properties. Example soil qualities include natural drainage, and frost action. Soil features are attributes that are not directly part of the soil. Example soil features include slope and depth to restrictive layer. These features can greatly impact the use and management of the soil. Depth to Any Soil Restrictive Layer A "restrictive layer" is a nearly continuous layer that has one or more physical, chemical, or thermal properties that significantly impede the movement of water and air through the soil or that restrict roots or otherwise provide an unfavorable root environment. Examples are bedrock, cemented layers, dense layers, and frozen layers. This theme presents the depth to any type of restrictive layer that is described for each map unit. If more than one type of restrictive layer is described for an individual soil type, the depth to the shallowest one is presented. If no restrictive layer is described in a map unit, it is represented by the "> 200" depth class. This attribute is actually recorded as three separate values in the database. A low value and a high value indicate the range of this attribute for the soil component. A "representative" value indicates the expected value of this attribute for the component. For this soil property, only the representative value is used. Custom Soil Resource Report 55 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Depth to Any Soil Restrictive Layer MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings 0 - 25 25 - 50 50 - 100 100 - 150 150 - 200 > 200 Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Depth to Any Soil Restrictive Layer Depth to Any Soil Restrictive Layer— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating (centimeters)Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes >200 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes >200 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes >200 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep 43 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep 43 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Depth to Any Soil Restrictive Layer Units of Measure: centimeters Aggregation Method: Dominant Component Component Percent Cutoff: None Specified Tie-break Rule: Lower Interpret Nulls as Zero: No Drainage Class "Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water regime by human activities, either through drainage or irrigation, are not a consideration unless they have significantly changed the morphology of the soil. Seven classes of natural soil drainage are recognized-excessively drained, somewhat excessively drained, well drained, moderately well drained, somewhat poorly drained, poorly drained, and very poorly drained. These classes are defined in the "Soil Survey Manual." Custom Soil Resource Report 58 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Drainage Class MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings Excessively drained Somewhat excessively drained Well drained Moderately well drained Somewhat poorly drained Poorly drained Very poorly drained Subaqueous Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Drainage Class Drainage Class— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes Well drained 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes Well drained 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes Well drained 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep Well drained 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep Well drained 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Drainage Class Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Hydrologic Soil Group Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long- duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Custom Soil Resource Report 61 Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink-swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Custom Soil Resource Report 62 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Hydrologic Soil Group MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings A A/D B B/D C C/D D Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Hydrologic Soil Group Hydrologic Soil Group— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes B 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes B 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes B 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep D 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep D 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Hydrologic Soil Group Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Higher Representative Slope Slope gradient is the difference in elevation between two points, expressed as a percentage of the distance between those points. The slope gradient is actually recorded as three separate values in the database. A low value and a high value indicate the range of this attribute for the soil component. A "representative" value indicates the expected value of this attribute for the component. For this soil property, only the representative value is used. Custom Soil Resource Report 65 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Representative Slope MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings 0 - 5 5 - 15 15 - 30 30 - 45 45 - 60 Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Representative Slope Representative Slope— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating (percent)Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes 35.0 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes 9.0 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes 19.0 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep 43.0 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep 43.0 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Representative Slope Units of Measure: percent Aggregation Method: Dominant Component Component Percent Cutoff: None Specified Tie-break Rule: Higher Interpret Nulls as Zero: No Unified Soil Classification (Surface) The Unified soil classification system classifies mineral and organic mineral soils for engineering purposes on the basis of particle-size characteristics, liquid limit, and plasticity index. It identifies three major soil divisions: (i) coarse-grained soils having less than 50 percent, by weight, particles smaller than 0.074 mm in diameter; (ii) fine- grained soils having 50 percent or more, by weight, particles smaller than 0.074 mm in diameter; and (iii) highly organic soils that demonstrate certain organic characteristics. These divisions are further subdivided into a total of 15 basic soil groups. The major soil divisions and basic soil groups are determined on the basis of estimated or measured values for grain-size distribution and Atterberg limits. ASTM D 2487 shows the criteria chart used for classifying soil in the Unified system and the 15 basic soil groups of the system and the plasticity chart for the Unified system. The various groupings of this classification correlate in a general way with the engineering behavior of soils. This correlation provides a useful first step in any field or laboratory investigation for engineering purposes. It can serve to make some general interpretations relating to probable performance of the soil for engineering uses. For each soil horizon in the database one or more Unified soil classifications may be listed. One is marked as the representative or most commonly occurring. The representative classification is shown here for the surface layer of the soil. Custom Soil Resource Report 68 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Unified Soil Classification (Surface) MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings CH CL CL-A (proposed) CL-K (proposed) CL-ML CL-O (proposed) CL-T (proposed) GC GC-GM GM GP GP-GC GP-GM GW GW-GC GW-GM MH MH-A (proposed) MH-K (proposed) MH-O (proposed) MH-T (proposed) ML ML-A (proposed) ML-K (proposed) ML-O (proposed) ML-T (proposed) OH OH-T (proposed) OL PT SC SC-SM SM SP SP-SC SP-SM SW SW-SC SW-SM Not rated or not available Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Unified Soil Classification (Surface) Unified Soil Classification (Surface)— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes CL 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes CL 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes CL 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Unified Soil Classification (Surface) Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: Lower Layer Options: Surface Layer Water Features Water Features include ponding frequency, flooding frequency, and depth to water table. Flooding Frequency Class Flooding is the temporary inundation of an area caused by overflowing streams, by runoff from adjacent slopes, or by tides. Water standing for short periods after rainfall or snowmelt is not considered flooding, and water standing in swamps and marshes is considered ponding rather than flooding. Frequency is expressed as none, very rare, rare, occasional, frequent, and very frequent. "None" means that flooding is not probable. The chance of flooding is nearly 0 percent in any year. Flooding occurs less than once in 500 years. "Very rare" means that flooding is very unlikely but possible under extremely unusual weather conditions. The chance of flooding is less than 1 percent in any year. Custom Soil Resource Report 71 "Rare" means that flooding is unlikely but possible under unusual weather conditions. The chance of flooding is 1 to 5 percent in any year. "Occasional" means that flooding occurs infrequently under normal weather conditions. The chance of flooding is 5 to 50 percent in any year. "Frequent" means that flooding is likely to occur often under normal weather conditions. The chance of flooding is more than 50 percent in any year but is less than 50 percent in all months in any year. "Very frequent" means that flooding is likely to occur very often under normal weather conditions. The chance of flooding is more than 50 percent in all months of any year. Custom Soil Resource Report 72 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Flooding Frequency Class MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings None Very Rare Rare Occasional Frequent Very Frequent Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Flooding Frequency Class Flooding Frequency Class— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes None 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes None 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes None 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep None 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep None 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Flooding Frequency Class Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: More Frequent Beginning Month: January Ending Month: December Ponding Frequency Class Ponding is standing water in a closed depression. The water is removed only by deep percolation, transpiration, or evaporation or by a combination of these processes. Ponding frequency classes are based on the number of times that ponding occurs over a given period. Frequency is expressed as none, rare, occasional, and frequent. "None" means that ponding is not probable. The chance of ponding is nearly 0 percent in any year. "Rare" means that ponding is unlikely but possible under unusual weather conditions. The chance of ponding is nearly 0 percent to 5 percent in any year. "Occasional" means that ponding occurs, on the average, once or less in 2 years. The chance of ponding is 5 to 50 percent in any year. "Frequent" means that ponding occurs, on the average, more than once in 2 years. The chance of ponding is more than 50 percent in any year. Custom Soil Resource Report 75 T7S R96W T7S R95W3631 35 2526 R i c h a r d s o n R d 66 34 56 58 34 58 34 58 67 752400 752400 752600 752600 752800 752800 753000 753000 753200 753200 753400 753400 753600 753600 753800 753800 754000 754000 754200 754200 754400 754400 43 6 4 0 0 0 43 6 4 0 0 0 43 6 4 2 0 0 43 6 4 2 0 0 43 6 4 4 0 0 43 6 4 4 0 0 43 6 4 6 0 0 43 6 4 6 0 0 43 6 4 8 0 0 43 6 4 8 0 0 43 6 5 0 0 0 43 6 5 0 0 0 43 6 5 2 0 0 43 6 5 2 0 0 43 6 5 4 0 0 43 6 5 4 0 0 0 1,000 2,000 3,000500 Feet 0 300 600 900150 Meters 39° 24' 3'' 10 8 ° 2 ' 3 9 ' ' 39° 23' 14'' 10 8 ° 2 ' 4 1 ' ' 39° 23' 16'' 39° 24' 6'' 10 8 ° 4 ' 1 7 ' ' 10 8 ° 4 ' 1 5 ' ' Map Scale: 1:11,000 if printed on A size (8.5" x 11") sheet. Custom Soil Resource ReportMap—Ponding Frequency Class MAP LEGEND MAP INFORMATION Area of Interest (AOI) Area of Interest (AOI) Soils Soil Map Units Soil Ratings None Rare Occasional Frequent Political Features Cities PLSS Township and Range PLSS Section Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Map Scale: 1:11,000 if printed on A size (8.5" × 11") sheet. The soil surveys that comprise your AOI were mapped at 1:24,000. Warning: Soil Map may not be valid at this scale. Enlargement of maps beyond the scale of mapping can cause misunderstanding of the detail of mapping and accuracy of soil line placement. The maps do not show the small areas of contrasting soils that could have been shown at a more detailed scale. Please rely on the bar scale on each map sheet for accurate map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: http://websoilsurvey.nrcs.usda.gov Coordinate System: UTM Zone 12N NAD83 This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Rifle Area, Colorado, Parts of Garfield and Mesa Counties Survey Area Data: Version 6, Mar 25, 2008 Date(s) aerial images were photographed: 8/8/2005 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. Custom Soil Resource Report Table—Ponding Frequency Class Ponding Frequency Class— Summary by Map Unit — Rifle Area, Colorado, Parts of Garfield and Mesa Counties (CO683) Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 34 Ildefonso stony loam, 25 to 45 percent slopes None 164.8 34.4% 56 Potts loam, 6 to 12 percent slopes None 68.5 14.3% 58 Potts-Ildefonso complex, 12 to 25 percent slopes None 109.8 22.9% 66 Torriorthents-Camborthids-Rock outcrop complex, steep None 125.1 26.1% 67 Torriorthents-Rock outcrop complex, steep None 10.3 2.1% Totals for Area of Interest 478.6 100.0% Rating Options—Ponding Frequency Class Aggregation Method: Dominant Condition Component Percent Cutoff: None Specified Tie-break Rule: More Frequent Beginning Month: January Ending Month: December Custom Soil Resource Report 78 Soil Reports The Soil Reports section includes various formatted tabular and narrative reports (tables) containing data for each selected soil map unit and each component of each unit. No aggregation of data has occurred as is done in reports in the Soil Properties and Qualities and Suitabilities and Limitations sections. The reports contain soil interpretive information as well as basic soil properties and qualities. A description of each report (table) is included. Building Site Development This folder contains a collection of tabular reports that present soil interpretations related to building site development. The reports (tables) include all selected map units and components for each map unit, limiting features and interpretive ratings. Building site development interpretations are designed to be used as tools for evaluating soil suitability and identifying soil limitations for various construction purposes. As part of the interpretation process, the rating applies to each soil in its described condition and does not consider present land use. Example interpretations can include corrosion of concrete and steel, shallow excavations, dwellings with and without basements, small commercial buildings, local roads and streets, and lawns and landscaping. Roads and Streets, Shallow Excavations, and Lawns and Landscaping Soil properties influence the development of building sites, including the selection of the site, the design of the structure, construction, performance after construction, and maintenance. This table shows the degree and kind of soil limitations that affect local roads and streets, shallow excavations, and lawns and landscaping. The ratings in the table are both verbal and numerical. Rating class terms indicate the extent to which the soils are limited by all of the soil features that affect building site development. Not limited indicates that the soil has features that are very favorable for the specified use. Good performance and very low maintenance can be expected. Somewhat limited indicates that the soil has features that are moderately favorable for the specified use. The limitations can be overcome or minimized by special planning, design, or installation. Fair performance and moderate maintenance can be expected. Very limited indicates that the soil has one or more features that are unfavorable for the specified use. The limitations generally cannot be overcome without major soil reclamation, special design, or expensive installation procedures. Poor performance and high maintenance can be expected. Numerical ratings in the table indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the use (1.00) and the point at which the soil feature is not a limitation (0.00). Local roads and streets have an all-weather surface and carry automobile and light truck traffic all year. They have a subgrade of cut or fill soil material; a base of gravel, Custom Soil Resource Report 79 crushed rock, or soil material stabilized by lime or cement; and a surface of flexible material (asphalt), rigid material (concrete), or gravel with a binder. The ratings are based on the soil properties that affect the ease of excavation and grading and the traffic-supporting capacity. The properties that affect the ease of excavation and grading are depth to bedrock or a cemented pan, hardness of bedrock or a cemented pan, depth to a water table, ponding, flooding, the amount of large stones, and slope. The properties that affect the traffic-supporting capacity are soil strength (as inferred from the AASHTO group index number), subsidence, linear extensibility (shrink-swell potential), the potential for frost action, depth to a water table, and ponding. Shallow excavations are trenches or holes dug to a maximum depth of 5 or 6 feet for graves, utility lines, open ditches, or other purposes. The ratings are based on the soil properties that influence the ease of digging and the resistance to sloughing. Depth to bedrock or a cemented pan, hardness of bedrock or a cemented pan, the amount of large stones, and dense layers influence the ease of digging, filling, and compacting. Depth to the seasonal high water table, flooding, and ponding may restrict the period when excavations can be made. Slope influences the ease of using machinery. Soil texture, depth to the water table, and linear extensibility (shrink-swell potential) influence the resistance to sloughing. Lawns and landscaping require soils on which turf and ornamental trees and shrubs can be established and maintained. Irrigation is not considered in the ratings. The ratings are based on the soil properties that affect plant growth and trafficability after vegetation is established. The properties that affect plant growth are reaction; depth to a water table; ponding; depth to bedrock or a cemented pan; the available water capacity in the upper 40 inches; the content of salts, sodium, or calcium carbonate; and sulfidic materials. The properties that affect trafficability are flooding, depth to a water table, ponding, slope, stoniness, and the amount of sand, clay, or organic matter in the surface layer. Information in this table is intended for land use planning, for evaluating land use alternatives, and for planning site investigations prior to design and construction. The information, however, has limitations. For example, estimates and other data generally apply only to that part of the soil between the surface and a depth of 5 to 7 feet. Because of the map scale, small areas of different soils may be included within the mapped areas of a specific soil. The information is not site specific and does not eliminate the need for onsite investigation of the soils or for testing and analysis by personnel experienced in the design and construction of engineering works. Government ordinances and regulations that restrict certain land uses or impose specific design criteria were not considered in preparing the information in this table. Local ordinances and regulations should be considered in planning, in site selection, and in design. Report—Roads and Streets, Shallow Excavations, and Lawns and Landscaping [Onsite investigation may be needed to validate the interpretations in this table and to confirm the identity of the soil on a given site. The numbers in the value columns range from 0.01 to 1.00. The larger the value, the greater the potential limitation. The table shows only the top five limitations for any given soil. The soil may have additional limitations] Custom Soil Resource Report 80 Roads and Streets, Shallow Excavations, and Lawns and Landscaping– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Pct. of map unit Local roads and streets Shallow excavations Lawns and landscaping Rating class and limiting features Value Rating class and limiting features Value Rating class and limiting features Value 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso 90 Very limited Very limited Very limited Slope 1.00 Slope 1.00 Slope 1.00 Large stones content 1.00 Large stones content 1.00 Large stones content 0.84 Cutbanks cave 0.10 Droughty 0.13 56—Potts loam, 6 to 12 percent slopes Potts 85 Very limited Somewhat limited Somewhat limited Low strength 1.00 Cutbanks cave 0.10 Slope 0.04 Shrink-swell 0.50 Slope 0.04 Slope 0.04 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts 60 Very limited Very limited Very limited Slope 1.00 Slope 1.00 Slope 1.00 Low strength 1.00 Cutbanks cave 0.10 Shrink-swell 0.50 Ildefonso 30 Very limited Very limited Very limited Slope 1.00 Slope 1.00 Slope 1.00 Large stones content 1.00 Large stones content 1.00 Large stones content 0.84 Cutbanks cave 0.10 Droughty 0.13 66—Torriorthents- Camborthids-Rock outcrop complex, steep Torriorthents, steep 45 Very limited Very limited Not rated Depth to hard bedrock 1.00 Depth to hard bedrock 1.00 Slope 1.00 Slope 1.00 Camborthids, steep 20 Very limited Very limited Very limited Slope 1.00 Depth to hard bedrock 1.00 Slope 1.00 Shrink-swell 0.50 Slope 1.00 Depth to bedrock 0.02 Low strength 0.22 Cutbanks cave 0.10 Droughty 0.01 Depth to hard bedrock 0.02 Rock outcrop, steep 15 Not rated Not rated Not rated Custom Soil Resource Report 81 Roads and Streets, Shallow Excavations, and Lawns and Landscaping– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Pct. of map unit Local roads and streets Shallow excavations Lawns and landscaping Rating class and limiting features Value Rating class and limiting features Value Rating class and limiting features Value 67—Torriorthents- Rock outcrop complex, steep Torriorthents, steep 60 Very limited Very limited Not rated Depth to hard bedrock 1.00 Depth to hard bedrock 1.00 Slope 1.00 Slope 1.00 Rock outcrop, steep 25 Not rated Not rated Not rated Soil Chemical Properties This folder contains a collection of tabular reports that present soil chemical properties. The reports (tables) include all selected map units and components for each map unit. Soil chemical properties are measured or inferred from direct observations in the field or laboratory. Examples of soil chemical properties include pH, cation exchange capacity, calcium carbonate, gypsum, and electrical conductivity. Chemical Soil Properties This table shows estimates of some chemical characteristics and features that affect soil behavior. These estimates are given for the layers of each soil in the survey area. The estimates are based on field observations and on test data for these and similar soils. Depth to the upper and lower boundaries of each layer is indicated. Cation-exchange capacity is the total amount of extractable cations that can be held by the soil, expressed in terms of milliequivalents per 100 grams of soil at neutrality (pH 7.0) or at some other stated pH value. Soils having a low cation-exchange capacity hold fewer cations and may require more frequent applications of fertilizer than soils having a high cation-exchange capacity. The ability to retain cations reduces the hazard of ground-water pollution. Effective cation-exchange capacity refers to the sum of extractable cations plus aluminum expressed in terms of milliequivalents per 100 grams of soil. It is determined for soils that have pH of less than 5.5. Soil reaction is a measure of acidity or alkalinity. It is important in selecting crops and other plants, in evaluating soil amendments for fertility and stabilization, and in determining the risk of corrosion. Calcium carbonate equivalent is the percent of carbonates, by weight, in the fraction of the soil less than 2 millimeters in size. The availability of plant nutrients is influenced by the amount of carbonates in the soil. Gypsum is expressed as a percent, by weight, of hydrated calcium sulfates in the fraction of the soil less than 20 millimeters in size. Gypsum is partially soluble in water. Custom Soil Resource Report 82 Soils that have a high content of gypsum may collapse if the gypsum is removed by percolating water. Salinity is a measure of soluble salts in the soil at saturation. It is expressed as the electrical conductivity of the saturation extract, in millimhos per centimeter at 25 degrees C. Estimates are based on field and laboratory measurements at representative sites of nonirrigated soils. The salinity of irrigated soils is affected by the quality of the irrigation water and by the frequency of water application. Hence, the salinity of soils in individual fields can differ greatly from the value given in the table. Salinity affects the suitability of a soil for crop production, the stability of soil if used as construction material, and the potential of the soil to corrode metal and concrete. Sodium adsorption ratio (SAR) is a measure of the amount of sodium (Na) relative to calcium (Ca) and magnesium (Mg) in the water extract from saturated soil paste. It is the ratio of the Na concentration divided by the square root of one-half of the Ca + Mg concentration. Soils that have SAR values of 13 or more may be characterized by an increased dispersion of organic matter and clay particles, reduced saturated hydraulic conductivity and aeration, and a general degradation of soil structure. Custom Soil Resource Report 83 Chemical Soil Properties– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Depth Cation- exchange capacity Effective cation- exchange capacity Soil reaction Calcium carbonate Gypsum Salinity Sodium adsorption ratio In meq/100g meq/100g pH Pct Pct mmhos/cm 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso 0-8 5.0-20 —7.4-8.4 5-15 0 0.0-2.0 0 8-60 5.0-15 —7.9-8.4 15-35 0 0.0-4.0 0 56—Potts loam, 6 to 12 percent slopes Potts 0-4 5.0-15 —7.4-7.8 0-2 0 0 0 4-28 10-20 —7.4-7.8 0-5 0 0 0 28-60 5.0-15 —7.9-9.0 5-15 0 0.0-2.0 0 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts 0-4 5.0-15 —7.4-7.8 0-2 0 0 0 4-28 10-20 —7.4-7.8 0-5 0 0 0 28-60 5.0-15 —7.9-9.0 5-15 0 0.0-2.0 0 Ildefonso 0-8 5.0-20 —7.4-8.4 5-15 0 0.0-2.0 0 8-60 5.0-15 —7.9-8.4 15-35 0 0.0-4.0 0 66—Torriorthents-Camborthids- Rock outcrop complex, steep Torriorthents, steep 0-4 ——6.1-8.4 0-5 0 0.0-2.0 0 4-30 5.0-20 —6.1-8.4 0-5 0 0.0-2.0 0 30-34 ——————— Camborthids, steep 0-4 5.0-20 —6.1-8.4 5-10 0-2 0.0-2.0 0 4-30 5.0-20 —6.1-8.4 5-10 0-2 0.0-2.0 0 30-34 ——————— Rock outcrop, steep 0-60 —————0 — Custom Soil Resource Report 84 Chemical Soil Properties– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Depth Cation- exchange capacity Effective cation- exchange capacity Soil reaction Calcium carbonate Gypsum Salinity Sodium adsorption ratio In meq/100g meq/100g pH Pct Pct mmhos/cm 67—Torriorthents-Rock outcrop complex, steep Torriorthents, steep 0-4 ——6.1-8.4 0-5 0 0.0-2.0 0 4-30 5.0-20 —6.1-8.4 0-5 0 0.0-2.0 0 30-34 ——————— Rock outcrop, steep 0-60 —————0 — Custom Soil Resource Report 85 Soil Physical Properties This folder contains a collection of tabular reports that present soil physical properties. The reports (tables) include all selected map units and components for each map unit. Soil physical properties are measured or inferred from direct observations in the field or laboratory. Examples of soil physical properties include percent clay, organic matter, saturated hydraulic conductivity, available water capacity, and bulk density. Particle Size and Coarse Fragments This table shows estimates of particle size distribution and coarse fragment content of each soil in the survey area. The estimates are based on field observations and on test data for these and similar soils. Depth to the upper and lower boundaries of each layer is indicated. Particle size is the effective diameter of a soil particle as measured by sedimentation, sieving, or micrometric methods. Particle sizes are expressed as classes with specific effective diameter class limits. The broad classes are sand, silt, and clay, ranging from the larger to the smaller. Sand as a soil separate consists of mineral soil particles that are 0.05 millimeter to 2 millimeters in diameter. In this table, the estimated sand content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. Silt as a soil separate consists of mineral soil particles that are 0.002 to 0.05 millimeter in diameter. In this table, the estimated silt content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. Clay as a soil separate consists of mineral soil particles that are less than 0.002 millimeter in diameter. In this table, the estimated clay content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. The content of sand, silt, and clay affects the physical behavior of a soil. Particle size is important for engineering and agronomic interpretations, for determination of soil hydrologic qualities, and for soil classification. The amount and kind of clay affect the fertility and physical condition of the soil and the ability of the soil to adsorb cations and to retain moisture. They influence shrink- swell potential, saturated hydraulic conductivity (Ksat), plasticity, the ease of soil dispersion, and other soil properties. The amount and kind of clay in a soil also affect tillage and earthmoving operations. Total fragments is the content of fragments of rock and other materials larger than 2 millimeters in diameter on volumetric basis of the whole soil. Fragments 2-74 mm refers to the content of coarse fragments in the 2 to 74 millimeter size fraction. Fragments 75-249 mm refers to the content of coarse fragments in teh 75 to 249 millimeter size fraction. Fragments 250-599 mm refers to the content of coarse fragments in the 250 to 599 millimeter size fraction. Custom Soil Resource Report 86 Fragments >=600 mm refers to the content of coarse fragments in the greater than or equal to 600 millimeter size fraction. Reference: United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI. (http://soils.usda.gov) Custom Soil Resource Report 87 Particle Size and Coarse Fragments– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Horizon Depth Sand Silt Clay Total fragments Fragments 2-74 mm Fragments 75-249 mm Fragments 250-599 mm Fragments >=600 mm In L-RV-H Pct L-RV-H Pct L-RV-H Pct RV Pct RV Pct RV Pct RV Pct RV Pct 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso H1 0-8 -42--38-15-20- 25 27 13 9 —5 H2 8-60 -42--38-15-20- 25 59 23 12 —24 56—Potts loam, 6 to 12 percent slopes Potts H1 0-4 -44--41-10-15- 20 ————— H2 4-28 -33--36-27-31- 34 ————— H3 28-60 -42--38-15-20- 25 ————— 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts H1 0-4 -44--41-10-15- 20 ————— H2 4-28 -33--36-27-31- 34 ————— H3 28-60 -42--38-15-20- 25 ————— Ildefonso H1 0-8 -42--38-15-20- 25 27 13 9 —5 H2 8-60 -42--38-15-20- 25 59 23 12 —24 Custom Soil Resource Report 88 Particle Size and Coarse Fragments– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Horizon Depth Sand Silt Clay Total fragments Fragments 2-74 mm Fragments 75-249 mm Fragments 250-599 mm Fragments >=600 mm In L-RV-H Pct L-RV-H Pct L-RV-H Pct RV Pct RV Pct RV Pct RV Pct RV Pct 66—Torriorthents- Camborthids-Rock outcrop complex, steep Torriorthents, steep H1 0-4 ———————— H2 4-30 -61--19-5-20- 35 14 10 4 —— H3 30-34 ———————— Camborthids, steep H1 0-4 ——15-23- 30 0 0 0 —0 H2 4-30 -37--35-20-28- 35 9 7 2 —— H3 30-34 ———————— Rock outcrop, steep H1 0-60 ——0- 0- 0 ————— 67—Torriorthents- Rock outcrop complex, steep Torriorthents, steep H1 0-4 ———————— H2 4-30 -61--19-5-20- 35 14 10 4 —— H3 30-34 ———————— Rock outcrop, steep H1 0-60 ——0- 0- 0 ————— Custom Soil Resource Report 89 Physical Soil Properties This table shows estimates of some physical characteristics and features that affect soil behavior. These estimates are given for the layers of each soil in the survey area. The estimates are based on field observations and on test data for these and similar soils. Depth to the upper and lower boundaries of each layer is indicated. Particle size is the effective diameter of a soil particle as measured by sedimentation, sieving, or micrometric methods. Particle sizes are expressed as classes with specific effective diameter class limits. The broad classes are sand, silt, and clay, ranging from the larger to the smaller. Sand as a soil separate consists of mineral soil particles that are 0.05 millimeter to 2 millimeters in diameter. In this table, the estimated sand content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. Silt as a soil separate consists of mineral soil particles that are 0.002 to 0.05 millimeter in diameter. In this table, the estimated silt content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. Clay as a soil separate consists of mineral soil particles that are less than 0.002 millimeter in diameter. In this table, the estimated clay content of each soil layer is given as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. The content of sand, silt, and clay affects the physical behavior of a soil. Particle size is important for engineering and agronomic interpretations, for determination of soil hydrologic qualities, and for soil classification. The amount and kind of clay affect the fertility and physical condition of the soil and the ability of the soil to adsorb cations and to retain moisture. They influence shrink- swell potential, saturated hydraulic conductivity (Ksat), plasticity, the ease of soil dispersion, and other soil properties. The amount and kind of clay in a soil also affect tillage and earthmoving operations. Moist bulk density is the weight of soil (ovendry) per unit volume. Volume is measured when the soil is at field moisture capacity, that is, the moisture content at 1/3- or 1/10- bar (33kPa or 10kPa) moisture tension. Weight is determined after the soil is dried at 105 degrees C. In the table, the estimated moist bulk density of each soil horizon is expressed in grams per cubic centimeter of soil material that is less than 2 millimeters in diameter. Bulk density data are used to compute linear extensibility, shrink-swell potential, available water capacity, total pore space, and other soil properties. The moist bulk density of a soil indicates the pore space available for water and roots. Depending on soil texture, a bulk density of more than 1.4 can restrict water storage and root penetration. Moist bulk density is influenced by texture, kind of clay, content of organic matter, and soil structure. Saturated hydraulic conductivity (Ksat) refers to the ease with which pores in a saturated soil transmit water. The estimates in the table are expressed in terms of micrometers per second. They are based on soil characteristics observed in the field, particularly structure, porosity, and texture. Saturated hydraulic conductivity (Ksat) is considered in the design of soil drainage systems and septic tank absorption fields. Custom Soil Resource Report 90 Available water capacity refers to the quantity of water that the soil is capable of storing for use by plants. The capacity for water storage is given in inches of water per inch of soil for each soil layer. The capacity varies, depending on soil properties that affect retention of water. The most important properties are the content of organic matter, soil texture, bulk density, and soil structure. Available water capacity is an important factor in the choice of plants or crops to be grown and in the design and management of irrigation systems. Available water capacity is not an estimate of the quantity of water actually available to plants at any given time. Linear extensibility refers to the change in length of an unconfined clod as moisture content is decreased from a moist to a dry state. It is an expression of the volume change between the water content of the clod at 1/3- or 1/10-bar tension (33kPa or 10kPa tension) and oven dryness. The volume change is reported in the table as percent change for the whole soil. The amount and type of clay minerals in the soil influence volume change. Linear extensibility is used to determine the shrink-swell potential of soils. The shrink- swell potential is low if the soil has a linear extensibility of less than 3 percent; moderate if 3 to 6 percent; high if 6 to 9 percent; and very high if more than 9 percent. If the linear extensibility is more than 3, shrinking and swelling can cause damage to buildings, roads, and other structures and to plant roots. Special design commonly is needed. Organic matter is the plant and animal residue in the soil at various stages of decomposition. In this table, the estimated content of organic matter is expressed as a percentage, by weight, of the soil material that is less than 2 millimeters in diameter. The content of organic matter in a soil can be maintained by returning crop residue to the soil. Organic matter has a positive effect on available water capacity, water infiltration, soil organism activity, and tilth. It is a source of nitrogen and other nutrients for crops and soil organisms. Erosion factors are shown in the table as the K factor (Kw and Kf) and the T factor. Erosion factor K indicates the susceptibility of a soil to sheet and rill erosion by water. Factor K is one of six factors used in the Universal Soil Loss Equation (USLE) and the Revised Universal Soil Loss Equation (RUSLE) to predict the average annual rate of soil loss by sheet and rill erosion in tons per acre per year. The estimates are based primarily on percentage of silt, sand, and organic matter and on soil structure and Ksat. Values of K range from 0.02 to 0.69. Other factors being equal, the higher the value, the more susceptible the soil is to sheet and rill erosion by water. Erosion factor Kw indicates the erodibility of the whole soil. The estimates are modified by the presence of rock fragments. Erosion factor Kf indicates the erodibility of the fine-earth fraction, or the material less than 2 millimeters in size. Erosion factor T is an estimate of the maximum average annual rate of soil erosion by wind and/or water that can occur without affecting crop productivity over a sustained period. The rate is in tons per acre per year. Wind erodibility groups are made up of soils that have similar properties affecting their susceptibility to wind erosion in cultivated areas. The soils assigned to group 1 are the most susceptible to wind erosion, and those assigned to group 8 are the least susceptible. The groups are described in the "National Soil Survey Handbook." Wind erodibility index is a numerical value indicating the susceptibility of soil to wind erosion, or the tons per acre per year that can be expected to be lost to wind erosion. Custom Soil Resource Report 91 There is a close correlation between wind erosion and the texture of the surface layer, the size and durability of surface clods, rock fragments, organic matter, and a calcareous reaction. Soil moisture and frozen soil layers also influence wind erosion. Reference: United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI. (http://soils.usda.gov) Custom Soil Resource Report 92 Physical Soil Properties– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Depth Sand Silt Clay Moist bulk density Saturated hydraulic conductivity Available water capacity Linear extensibility Organic matter Erosion factors Wind erodibility group Wind erodibility indexKwKfT In Pct Pct Pct g/cc micro m/sec In/In Pct Pct 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso 0-8 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.10-0.13 0.0-2.9 1.0-2.0 .15 .28 5 4L 86 8-60 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.07-0.09 0.0-2.9 0.5-1.0 .15 .37 56—Potts loam, 6 to 12 percent slopes Potts 0-4 -44--41-10-15- 20 1.25-1.40 4.23-42.34 0.14-0.17 0.0-2.9 1.0-2.0 .28 .28 5 4L 86 4-28 -33--36-27-31- 34 1.25-1.40 1.41-4.23 0.17-0.20 3.0-5.9 0.5-1.0 .24 .24 28-60 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.14-0.17 0.0-2.9 0.0-0.5 .43 .43 58—Potts- Ildefonso complex, 12 to 25 percent slopes Potts 0-4 -44--41-10-15- 20 1.25-1.40 4.23-42.34 0.14-0.17 0.0-2.9 1.0-2.0 .28 .28 5 4L 86 4-28 -33--36-27-31- 34 1.25-1.40 1.41-4.23 0.17-0.20 3.0-5.9 0.5-1.0 .24 .24 28-60 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.14-0.17 0.0-2.9 0.0-0.5 .43 .43 Ildefonso 0-8 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.10-0.13 0.0-2.9 1.0-2.0 .15 .28 5 4L 86 8-60 -42--38-15-20- 25 1.25-1.40 4.23-42.34 0.07-0.09 0.0-2.9 0.5-1.0 .15 .37 Custom Soil Resource Report 93 Physical Soil Properties– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Depth Sand Silt Clay Moist bulk density Saturated hydraulic conductivity Available water capacity Linear extensibility Organic matter Erosion factors Wind erodibility group Wind erodibility indexKwKfT In Pct Pct Pct g/cc micro m/sec In/In Pct Pct 66— Torriorthents- Camborthids- Rock outcrop complex, steep Torriorthents, steep 0-4 ————1.40-42.00 0.04-0.18 —0.5-1.0 4-30 -61--19-5-20- 35 1.30-1.50 4.23-14.11 0.10-0.18 0.0-2.9 0.0-0.5 .32 .32 30-34 ————0.42-1.41 ——— Camborthids, steep 0-4 ——15-23- 30 1.20-1.30 1.41-42.34 0.06-0.10 0.0-2.9 0.5-1.0 .15 .28 2 8 0 4-30 -37--35-20-28- 35 1.40-1.50 4.23-14.11 0.12-0.16 3.0-5.9 0.0-0.5 .28 .28 30-34 ————0.42-1.41 ——— Rock outcrop, steep 0-60 ——0- 0- 0 —0.00-1.40 0.00 ——8 0 67— Torriorthents- Rock outcrop complex, steep Torriorthents, steep 0-4 ————1.40-42.00 0.04-0.18 —0.5-1.0 4-30 -61--19-5-20- 35 1.30-1.50 4.23-14.11 0.10-0.18 0.0-2.9 0.0-0.5 .32 .32 30-34 ————0.42-1.41 ——— Rock outcrop, steep 0-60 ——0- 0- 0 —0.00-1.40 0.00 ——8 0 Custom Soil Resource Report 94 Soil Qualities and Features This folder contains tabular reports that present various soil qualities and features. The reports (tables) include all selected map units and components for each map unit. Soil qualities are behavior and performance attributes that are not directly measured, but are inferred from observations of dynamic conditions and from soil properties. Example soil qualities include natural drainage, and frost action. Soil features are attributes that are not directly part of the soil. Example soil features include slope and depth to restrictive layer. These features can greatly impact the use and management of the soil. Soil Features This table gives estimates of various soil features. The estimates are used in land use planning that involves engineering considerations. A restrictive layer is a nearly continuous layer that has one or more physical, chemical, or thermal properties that significantly impede the movement of water and air through the soil or that restrict roots or otherwise provide an unfavorable root environment. Examples are bedrock, cemented layers, dense layers, and frozen layers. The table indicates the hardness and thickness of the restrictive layer, both of which significantly affect the ease of excavation. Depth to top is the vertical distance from the soil surface to the upper boundary of the restrictive layer. Subsidence is the settlement of organic soils or of saturated mineral soils of very low density. Subsidence generally results from either desiccation and shrinkage, or oxidation of organic material, or both, following drainage. Subsidence takes place gradually, usually over a period of several years. The table shows the expected initial subsidence, which usually is a result of drainage, and total subsidence, which results from a combination of factors. Potential for frost action is the likelihood of upward or lateral expansion of the soil caused by the formation of segregated ice lenses (frost heave) and the subsequent collapse of the soil and loss of strength on thawing. Frost action occurs when moisture moves into the freezing zone of the soil. Temperature, texture, density, saturated hydraulic conductivity (Ksat), content of organic matter, and depth to the water table are the most important factors considered in evaluating the potential for frost action. It is assumed that the soil is not insulated by vegetation or snow and is not artificially drained. Silty and highly structured, clayey soils that have a high water table in winter are the most susceptible to frost action. Well drained, very gravelly, or very sandy soils are the least susceptible. Frost heave and low soil strength during thawing cause damage to pavements and other rigid structures. Risk of corrosion pertains to potential soil-induced electrochemical or chemical action that corrodes or weakens uncoated steel or concrete. The rate of corrosion of uncoated steel is related to such factors as soil moisture, particle-size distribution, acidity, and electrical conductivity of the soil. The rate of corrosion of concrete is based mainly on the sulfate and sodium content, texture, moisture content, and acidity of the soil. Special site examination and design may be needed if the combination of factors results in a severe hazard of corrosion. The steel or concrete in installations that intersect soil boundaries or soil layers is more susceptible to corrosion than the steel Custom Soil Resource Report 95 or concrete in installations that are entirely within one kind of soil or within one soil layer. For uncoated steel, the risk of corrosion, expressed as low, moderate, or high, is based on soil drainage class, total acidity, electrical resistivity near field capacity, and electrical conductivity of the saturation extract. For concrete, the risk of corrosion also is expressed as low, moderate, or high. It is based on soil texture, acidity, and amount of sulfates in the saturation extract. Custom Soil Resource Report 96 Soil Features– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Restrictive Layer Subsidence Potential for frost action Risk of corrosion Kind Depth to top Thickness Hardness Initial Total Uncoated steel Concrete In In In In 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso ——0 —Low Moderate Low 56—Potts loam, 6 to 12 percent slopes Potts ——0 —Low High High 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts ——0 —Low High High Ildefonso ——0 —Low Moderate Low 66—Torriorthents- Camborthids- Rock outcrop complex, steep Torriorthents, steep Lithic bedrock 4-30 —Indurated 0 —Low High Low Camborthids, steep Lithic bedrock 15-60 —Indurated 0 —Low High Low Rock outcrop, steep Paralithic bedrock 0 —Moderately cemented 0 —None 67—Torriorthents- Rock outcrop complex, steep Torriorthents, steep Lithic bedrock 4-30 —Indurated 0 —Low High Low Rock outcrop, steep Paralithic bedrock 0 —Moderately cemented 0 —None Custom Soil Resource Report 97 Water Features This folder contains tabular reports that present soil hydrology information. The reports (tables) include all selected map units and components for each map unit. Water Features include ponding frequency, flooding frequency, and depth to water table. Water Features This table gives estimates of various soil water features. The estimates are used in land use planning that involves engineering considerations. Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long- duration storms. The four hydrologic soil groups are: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink-swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Surface runoff refers to the loss of water from an area by flow over the land surface. Surface runoff classes are based on slope, climate, and vegetative cover. The concept indicates relative runoff for very specific conditions. It is assumed that the surface of the soil is bare and that the retention of surface water resulting from irregularities in the ground surface is minimal. The classes are negligible, very low, low, medium, high, and very high. The months in the table indicate the portion of the year in which a water table, ponding, and/or flooding is most likely to be a concern. Water table refers to a saturated zone in the soil. The water features table indicates, by month, depth to the top (upper limit) and base (lower limit) of the saturated zone in most years. Estimates of the upper and lower limits are based mainly on observations of the water table at selected sites and on evidence of a saturated zone, namely Custom Soil Resource Report 98 grayish colors or mottles (redoximorphic features) in the soil. A saturated zone that lasts for less than a month is not considered a water table. Ponding is standing water in a closed depression. Unless a drainage system is installed, the water is removed only by percolation, transpiration, or evaporation. The table indicates surface water depth and the duration and frequency of ponding. Duration is expressed as very brief if less than 2 days, brief if 2 to 7 days, long if 7 to 30 days, and very long if more than 30 days. Frequency is expressed as none, rare, occasional, and frequent. None means that ponding is not probable; rare that it is unlikely but possible under unusual weather conditions (the chance of ponding is nearly 0 percent to 5 percent in any year); occasional that it occurs, on the average, once or less in 2 years (the chance of ponding is 5 to 50 percent in any year); and frequent that it occurs, on the average, more than once in 2 years (the chance of ponding is more than 50 percent in any year). Flooding is the temporary inundation of an area caused by overflowing streams, by runoff from adjacent slopes, or by tides. Water standing for short periods after rainfall or snowmelt is not considered flooding, and water standing in swamps and marshes is considered ponding rather than flooding. Duration and frequency are estimated. Duration is expressed as extremely brief if 0.1 hour to 4 hours, very brief if 4 hours to 2 days, brief if 2 to 7 days, long if 7 to 30 days, and very long if more than 30 days. Frequency is expressed as none, very rare, rare, occasional, frequent, and very frequent. None means that flooding is not probable; very rare that it is very unlikely but possible under extremely unusual weather conditions (the chance of flooding is less than 1 percent in any year); rare that it is unlikely but possible under unusual weather conditions (the chance of flooding is 1 to 5 percent in any year); occasional that it occurs infrequently under normal weather conditions (the chance of flooding is 5 to 50 percent in any year); frequent that it is likely to occur often under normal weather conditions (the chance of flooding is more than 50 percent in any year but is less than 50 percent in all months in any year); and very frequent that it is likely to occur very often under normal weather conditions (the chance of flooding is more than 50 percent in all months of any year). The information is based on evidence in the soil profile, namely thin strata of gravel, sand, silt, or clay deposited by floodwater; irregular decrease in organic matter content with increasing depth; and little or no horizon development. Also considered are local information about the extent and levels of flooding and the relation of each soil on the landscape to historic floods. Information on the extent of flooding based on soil data is less specific than that provided by detailed engineering surveys that delineate flood-prone areas at specific flood frequency levels. Custom Soil Resource Report 99 Water Features– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map unit symbol and soil name Hydrologic group Surface runoff Month Water table Ponding Flooding Upper limit Lower limit Surface depth Duration Frequency Duration Frequency Ft Ft Ft 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso B Medium Jan-Dec ————None —— 56—Potts loam, 6 to 12 percent slopes Potts B High Jan-Dec ————None —— 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts B High Jan-Dec ————None —— Ildefonso B Low Jan-Dec ————None —— 66—Torriorthents- Camborthids-Rock outcrop complex, steep Torriorthents, steep D High Jan-Dec ————None —— Camborthids, steep D High Jan-Dec ————None —— Rock outcrop, steep D Very high Jan-Dec ————None —— 67—Torriorthents-Rock outcrop complex, steep Torriorthents, steep D High Jan-Dec ————None —— Rock outcrop, steep D Very high Jan-Dec ————None —— Custom Soil Resource Report 100 Water Management This folder contains a collection of tabular reports that present soil interpretations related to water management. The reports (tables) include all selected map units and components for each map unit, limiting features and interpretive ratings. Water management interpretations are tools for evaluating the potential of the soil in the application of various water management practices. Example interpretations include pond reservoir area, embankments, dikes, levees, and excavated ponds. Ponds and Embankments This table gives information on the soil properties and site features that affect water management. The degree and kind of soil limitations are given for pond reservoir areas; embankments, dikes, and levees; and aquifer-fed excavated ponds. The ratings are both verbal and numerical. Rating class terms indicate the extent to which the soils are limited by all of the soil features that affect these uses. Not limited indicates that the soil has features that are very favorable for the specified use. Good performance and very low maintenance can be expected. Somewhat limited indicates that the soil has features that are moderately favorable for the specified use. The limitations can be overcome or minimized by special planning, design, or installation. Fair performance and moderate maintenance can be expected. Very limited indicates that the soil has one or more features that are unfavorable for the specified use. The limitations generally cannot be overcome without major soil reclamation, special design, or expensive installation procedures. Poor performance and high maintenance can be expected. Numerical ratings in the table indicate the severity of individual limitations. The ratings are shown as decimal fractions ranging from 0.01 to 1.00. They indicate gradations between the point at which a soil feature has the greatest negative impact on the use (1.00) and the point at which the soil feature is not a limitation (0.00). Pond reservoir areas hold water behind a dam or embankment. Soils best suited to this use have low seepage potential in the upper 60 inches. The seepage potential is determined by the saturated hydraulic conductivity (Ksat) of the soil and the depth to fractured bedrock or other permeable material. Excessive slope can affect the storage capacity of the reservoir area. Embankments, dikes, and levees are raised structures of soil material, generally less than 20 feet high, constructed to impound water or to protect land against overflow. Embankments that have zoned construction (core and shell) are not considered. In this table, the soils are rated as a source of material for embankment fill. The ratings apply to the soil material below the surface layer to a depth of 5 or 6 feet. It is assumed that soil layers will be uniformly mixed and compacted during construction. The ratings do not indicate the ability of the natural soil to support an embankment. Soil properties to a depth even greater than the height of the embankment can affect performance and safety of the embankment. Generally, deeper onsite investigation is needed to determine these properties. Soil material in embankments must be resistant to seepage, piping, and erosion and have favorable compaction characteristics. Unfavorable features include less than 5 feet of suitable material and a high content of stones or boulders, organic matter, or Custom Soil Resource Report 101 salts or sodium. A high water table affects the amount of usable material. It also affects trafficability. Aquifer-fed excavated ponds are pits or dugouts that extend to a ground-water aquifer or to a depth below a permanent water table. Excluded are ponds that are fed only by surface runoff and embankment ponds that impound water 3 feet or more above the original surface. Excavated ponds are affected by depth to a permanent water table, Ksat of the aquifer, and quality of the water as inferred from the salinity of the soil. Depth to bedrock and the content of large stones affect the ease of excavation. Information in this table is intended for land use planning, for evaluating land use alternatives, and for planning site investigations prior to design and construction. The information, however, has limitations. For example, estimates and other data generally apply only to that part of the soil between the surface and a depth of 5 to 7 feet. Because of the map scale, small areas of different soils may be included within the mapped areas of a specific soil. The information is not site specific and does not eliminate the need for onsite investigation of the soils or for testing and analysis by personnel experienced in the design and construction of engineering works. Government ordinances and regulations that restrict certain land uses or impose specific design criteria were not considered in preparing the information in this table. Local ordinances and regulations should be considered in planning, in site selection, and in design. Report—Ponds and Embankments [Onsite investigation may be needed to validate the interpretations in this table and to confirm the identity of the soil on a given site. The numbers in the value columns range from 0.01 to 1.00. The larger the value, the greater the potential limitation. The table shows only the top five limitations for any given soil. The soil may have additional limitations] Ponds and Embankments– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Pct. of map unit Pond reservoir areas Embankments, dikes, and levees Aquifer-fed excavated ponds Rating class and limiting features Value Rating class and limiting features Value Rating class and limiting features Value 34—Ildefonso stony loam, 25 to 45 percent slopes Ildefonso 90 Very limited Very limited Very limited Slope 1.00 Large stones content 1.00 Depth to water 1.00 Seepage 1.00 56—Potts loam, 6 to 12 percent slopes Potts 85 Very limited Very limited Very limited Slope 1.00 Piping 0.99 Depth to water 1.00 Seepage 1.00 Custom Soil Resource Report 102 Ponds and Embankments– Rifle Area, Colorado, Parts of Garfield and Mesa Counties Map symbol and soil name Pct. of map unit Pond reservoir areas Embankments, dikes, and levees Aquifer-fed excavated ponds Rating class and limiting features Value Rating class and limiting features Value Rating class and limiting features Value 58—Potts-Ildefonso complex, 12 to 25 percent slopes Potts 60 Very limited Very limited Very limited Slope 1.00 Piping 0.99 Depth to water 1.00 Seepage 1.00 Ildefonso 30 Very limited Very limited Very limited Slope 1.00 Large stones content 1.00 Depth to water 1.00 Seepage 1.00 66—Torriorthents- Camborthids-Rock outcrop complex, steep Torriorthents, steep 45 Very limited Very limited Very limited Slope 1.00 Thin layer 1.00 Depth to water 1.00 Depth to bedrock 1.00 Seepage 0.72 Camborthids, steep 20 Very limited Very limited Very limited Slope 1.00 Piping 0.99 Depth to water 1.00 Seepage 0.72 Thin layer 0.59 Depth to bedrock 0.59 Rock outcrop, steep 15 Very limited Not rated Not rated Slope 1.00 Depth to bedrock 1.00 67—Torriorthents- Rock outcrop complex, steep Torriorthents, steep 60 Very limited Very limited Very limited Slope 1.00 Thin layer 1.00 Depth to water 1.00 Depth to bedrock 1.00 Seepage 0.72 Rock outcrop, steep 25 Very limited Not rated Not rated Slope 1.00 Depth to bedrock 1.00 Custom Soil Resource Report 103 References American Association of State Highway and Transportation Officials (AASHTO). 2004. Standard specifications for transportation materials and methods of sampling and testing. 24th edition. American Society for Testing and Materials (ASTM). 2005. Standard classification of soils for engineering purposes. ASTM Standard D2487-00. Cowardin, L.M., V. Carter, F.C. Golet, and E.T. LaRoe. 1979. Classification of wetlands and deep-water habitats of the United States. U.S. Fish and Wildlife Service FWS/OBS-79/31. Federal Register. July 13, 1994. Changes in hydric soils of the United States. Federal Register. September 18, 2002. Hydric soils of the United States. Hurt, G.W., and L.M. Vasilas, editors. Version 6.0, 2006. Field indicators of hydric soils in the United States. National Research Council. 1995. Wetlands: Characteristics and boundaries. Soil Survey Division Staff. 1993. Soil survey manual. Soil Conservation Service. U.S. Department of Agriculture Handbook 18. http://soils.usda.gov/ Soil Survey Staff. 1999. Soil taxonomy: A basic system of soil classification for making and interpreting soil surveys. 2nd edition. Natural Resources Conservation Service, U.S. Department of Agriculture Handbook 436. http://soils.usda.gov/ Soil Survey Staff. 2006. Keys to soil taxonomy. 10th edition. U.S. Department of Agriculture, Natural Resources Conservation Service. http://soils.usda.gov/ Tiner, R.W., Jr. 1985. Wetlands of Delaware. U.S. Fish and Wildlife Service and Delaware Department of Natural Resources and Environmental Control, Wetlands Section. United States Army Corps of Engineers, Environmental Laboratory. 1987. Corps of Engineers wetlands delineation manual. Waterways Experiment Station Technical Report Y-87-1. United States Department of Agriculture, Natural Resources Conservation Service. National forestry manual. http://soils.usda.gov/ United States Department of Agriculture, Natural Resources Conservation Service. National range and pasture handbook. http://www.glti.nrcs.usda.gov/ United States Department of Agriculture, Natural Resources Conservation Service. National soil survey handbook, title 430-VI. http://soils.usda.gov/ United States Department of Agriculture, Natural Resources Conservation Service. 2006. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture Handbook 296. http://soils.usda.gov/ 104 United States Department of Agriculture, Soil Conservation Service. 1961. Land capability classification. U.S. Department of Agriculture Handbook 210. Custom Soil Resource Report 105 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Geologic and Soils Hazard Report Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 Grand River Gathering LLC Olsson Associates High Mesa Compressor Station Grand Junction, CO February 2012 OA Project # 012-0539 1 GEOLOGIC AND SOIL HAZARDS REPORT Introduction Grand River Gathering LLC has proposed a High Mesa Compressor Station Facility that will be located south of Parachute and I-70, west of Richardson Road and lies between Dry Creek and Pete and Bill Creek in Garfield County Colorado. This proposed Compressor Station will be located in Section 36, Township 7 South, Range 96 West, of the Sixth Principal Meridian. The vicinity of this proposed Compressor Station Facility is shown on a map provided in figure VM-1 as an attachment to this document. The Grand River Gathering LLC, Compressor Station Facility project is located basically on the eastern edge of the Piceance Basin near the Grand Hogback consisting of approximately 2,200 acres. It lies adjacent to areas undergoing natural gas development by Noble Energy Inc. and Grand River Gathering LLC. The natural gas resources that are being developed are underlain by bedrock of the Tertiary age Wasatch Formation, including the lower Fort Union Equivalent at the base and the Ohio Creek Formation. Geology The proposed project is located near the eastern margin of the Piceance Basin; an irregularly- shaped elongated basin formed by tectonic forces that downwarped the earth’s crust as a result of the uplift of the Colorado Rocky Mountains. Areas on all sides of the Piceance Basin have been uplifted by these same tectonic forces. Structural Geology The Piceance Basin is the major structural geologic feature in the region. It is bound to the east by the Grand Hogback monocline, the White River Uplift to the northeast, the Gunnison Uplift to the south, the Uncompahgre Uplift to the southwest, the Douglas Creek Arch to the west- northwest, and the axial basin uplift to the north (Grout and Verbeek, 1992). The Grand Hogback monocline is a sinuous feature comprised of Upper Cretaceous age bedrock of the Mesaverde Group, which includes the Williams Fork Formation and the underlying Mancos Shale. The Grand Hogback forms part of the boundary between two major physiographic provinces, the Colorado Plateau and the Rocky Mountain foreland. The Grand Hogback bends abruptly to the north of the Gibson Gulch Quadrangle and strata along the west- Grand River Gathering LLC Olsson Associates High Mesa Compressor Station Grand Junction, CO February 2012 OA Project # 012-0539 2 to southwest-facing, steep limb of the monocline typically dip basinward at an angle of 45° or are even overturned in some areas (Grout and Verbeek, 1992). A series of west-northwest trending, broad, gentle anticlines and synclines, are present within the Piceance Basin to the west of the Grand Hogback. The Wolf Creek Anticline and the Divide Creek Anticline are the two closest of these structures. The axis of the Divide Creek anticline crosses the southwest ern part of the Gibson Gulch Quadrangle. There are a total of eight joint sets, or fracture-pattern trends, that have been mapped in the Wasatch and Mesaverde Group bedrock units in the area (Grout and Verbeek, 1992). These joint sets are the result of structural deformation of these sedimentary rock units through geologic time. Surficial Geology The location of the proposed facility is underlain by bedrock of the Tertiary age Wasatch Formation, including the lower Fort Union Equivalent at the base and the Ohio Creek Formation. The Wasatch Formation is divided into an upper section that ranges from 400 feet to 1,600 feet thick, a middle section that ranges from 0 to 400 feet thick, and a lower section that ranges from 400 feet to 900 feet thick. The upper section consists of variegated shale and clay and some lenticular sandstone, conglomerate, and limestone beds. The middle section consists of massive fine-to coarse-grained sandstone that is gray to brown in color, in part conglomeratic, and forms conspicuous ledges where exposed in outcrop. The lower section is composed of variegated shale and clay and some lenticular beds of sandstone, conglomerate, and limestone. Soils A copy of a NCRS Custom Soil Resource Report for the project site has been provided. According to information prepared by the Natural Resources Conservation Commission Soil Survey, soils in these sections have been mapped as Ildefonso stony loam, (34), Potts loam, (56), and the Potts-Ildefonso complex, (58). Ildefonso stony loam (34), soils are developed on 25 percent to 45 percent slopes. Consist of well drained soils in land setting of alluvial fans, and valley sides. Elevations range from 5,000 to 6,500 feet above mean sea level. The parent material of this soil is mixed alluvium derived from basalt. The Potts loam, (56) is developed on 6 percent to 12 percent slopes, at elevations of 5,000 to 7,000 feet. Found in landform setting of valley sides, benches, and mesas. The parent material of this soil is alluvium derived from basalt and/or alluvium derived from sandstone and shale. The Potts-Ildefonso complex, (58) soils are developed on 12 to 25 percent slopes, and consist of well drained soils on mountainsides and ridges at elevations of 5,000 to 6,500 feet. These soils are found in landform setting of valley sides, alluvial fans, and mesas. The parent material of this soil is alluvium derived from basalt and/or alluvium derived from sandstone and shale. Grand River Gathering LLC Olsson Associates High Mesa Compressor Station Grand Junction, CO February 2012 OA Project # 012-0539 3 Conclusions and Summary According to the information provided by Garfield County, Colorado - GIS Department pertaining to the location of the Compressor Station Facility, the overall geologic and soil hazards appear to be minor slope hazard, and low for soil hazards. As depicted on the attached Slope Hazards Map, the location for the proposed facility is not within any identified slope hazard areas. The nearest slope hazard area exists approximately 1.5 miles northwest of the proposed site. Stormwater controls and best management practices should take into consideration the geology and soil types present at this location. These engineering controls and practices should be used temporarily and permanently to divert stormwater away from the construction areas and to prevent additional weight which could trigger a debris flow or landslide. Pits are required to be lined by COGCC rules, but pit liners may also prevent water infiltration into unconsolidated sediments which could trigger slope failure. Pits and catchment basins should be sited and designed so as not to add weight to potentially unstable areas. Olsson appreciates the opportunity to provide this information to Grand River Gathering LLC pertaining to the assessment of geologic and soil hazards associated with the proposed High Mesa Compressor Station Facility in Garfield County, Colorado. Olsson can conduct field work to assist with the site specific assessments of the proposed project, to determine the degree to which these hazards may affect the specific locations. Sincerely, Olsson Associates Inc. Tammie Lee Crossen Associate Geologist Attachments: Figure V-1 – Vicinity Map Figure SM- 1 – Soils Map Figure SH- 1 – Surface Hazards Figure G-1 – Geology Grand River Gathering LLC Olsson Associates High Mesa Compressor Station Grand Junction, CO February 2012 OA Project # 012-0539 4 References Grout, Marilyn A. and Verbeek, Earl R., 1992, U.S.G.S. Bulletin 1787-Z, Fracture History of the Divide Creek and Wolf Creek Anticlines and Its Relation to Laramide Basin-Margin Tectonism, Southern Piceance Basin, Northwestern Colorado, 32 p. Online References Colorado Oil and Gas Conservation Commission http://cogcc.state.co.us/ Natural Resources Conservation Service - Soil Survey http://www.nrcs.usda.gov/ Garfield County, Colorado - GIS Department http://www.garfield-county.com/ 70 6 Parachute High Mesa Compressor Station Legend High Mesa Compressor Station 2409-361-00-048 (Area: 320 acres) 3-mile radial circle Highway/Interstate County Roads Parcels 0 1 20.5 Miles 3-mile radium indicated by dark red circle PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/12/12 VICINITY MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE V - 12 High Mesa Compressor Station 66 34 56 58 34 58 34 58 Legend High Mesa Compressor Station Parcels Highway/Interstate County Roads Soil Type 33 - Ildefonso stony loam, 6-25% slopes 34 - Ildefonso stony loam, 25-45% slopes 56 - Potts loam, 6-12% slopes 58 - Potts-Ildefonso complex, 12-25% slopes 66 - Torriorthents-Camborthids-Rock outcrop complex, steep 67 - Torriothents-Rock outcrop complex, steep 0 400 800200 Feet PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/9/12 SOILS MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE SM - 14 70 6 High Mesa Compressor Station Stone Quarry Spring Creek Wallace Creek Gardner Tamarisk R i c h a r d s o n Ol d o n e Q u a r r y Ra i n b o w Blac k h a w k Placer Fo u r C o r n e r Monument Morningstar Eme r a l d Par a c h u t e P e t e & B i l l D r a w Ho r i z o n Oa k W a l l a c e C r e e k Legend High Mesa Compressor Station SlopeHazard Parcels - 2409-361-00-048 Parcels Highway/Interstate County Roads 0 0.5 10.25 Miles Slope data obtained from the Garfield County GIS PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/27/12 SLOPE HAZARDS MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE SH - 15 High Mesa Compressor Station Two Qgo Qgo Legend Geology Type Qgo - Old Gravels and Alluvium Two - Wasatch Formation & Ohio Creek Formation High Mesa Compressor Station Parcels - 2409-361-00-048 Parcels Highway/Interstate County Roads 0 500 1,000250 Feet Geologic Data obtained from the USGS PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/27/12 GEOLOGY MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE G - 13 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Wildlife and Vegetation Impact Analysis Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 ENCANA OIL & GAS (USA) INC. High Mesa Compressor Site Impact Analysis: Section 4-502 E (8) Environmental Effects Garfield County Unified Land Use Resolution 2008 Cover Photo: View of Encana’s existing High Mesa Compressor site in March 2012. Prepared for: Encana Oil & Gas Inc. 10654 County Road 215 Parachute, CO 81635 Prepared by: WestWater Engineering, Inc. 2516 Foresight Circle #1 Grand Junction, CO 81505 Michael Klish-Principal Environmental Scientist In cooperation with: Olsson Associates 826 21 ½ Road Grand Junction, CO 81505 March 2012 WestWater Engineering Page 1 of 8 March 2012 INTRODUCTION At the request of Olsson Associates (Olsson) on behalf of Encana Oil & Gas Inc. (Encana), WestWater Engineering (WWE) biologists conducted assessments of wildlife, wildlife habitats, and sensitive plant species for Encana’s existing High Mesa Compressor Site (Cover Photo; Figure 1). This document reports the results and analysis of the findings that are pertinent to Garfield County Land Use regulations (2008) that apply to this project. The project area is located in Section 36, T7S, R96W, 6th Principal Meridian. The elevation is approximately 6,250 feet. The site is accessed via Garfield County Road 300 and private roads in the vicinity of Pete and Bill Creek (Figure 1). SURVEY METHODS A preliminary review of the project area using aerial photographs was conducted to familiarize biologists with the project area and as an aid to help determine the potential presence of wildlife and any threatened, endangered, or sensitive species including plants. Field data collected during the survey were documented and/or recorded with the aid of a handheld global positioning system (GPS) receiver utilizing NAD83 map datum, with all coordinate locations based on the Universal Transverse Mercator (UTM) coordinate system in Zone 13. WWE biologists conducted a site visit in the project area on March 7, 2012 to identify and document wildlife species, wildlife sign, vegetative communities, and wildlife habitats. Thorough raptor nest surveys were conducted within 0.25 miles of the compressor in April 2011 using call-playback and walk- through methodology with transect intervals of approximately 50 meters (WWE 2011). Vegetation types were determined through field identification of plants, aerial photography, and on-the-ground assessments of plant abundance. Biologists evaluated the habitat conditions for threatened, endangered, and sensitive plants within 100 meters of project features. Weed surveys were conducted within an approximate 100 foot radius of the project site. Photographs were taken of the general project area. SECTION 4-502 E. - ENVIRONMENTAL EFFECTS EXISTING ENVIRONMENTAL CONDITIONS WATERS OF THE U.S.--Army Corps of Engineers WWE biologists determined that no wetlands or drainages showing characteristics of Waters of the U.S. (WOUS) were located on the site. VEGETATION Unaltered native vegetation near the site consists of pinyon-juniper woodlands, mountain shrub, and sagebrush communities consistent with similar communities found throughout the region. Native plants observed near the site are presented in Table 1. Table 1. Native plant species observed near the site in unaltered vegetation communities. Common Name Scientific Name Astragalus spp. Astragalus spp. Bitterbrush Purshia tridentata Gambel oak Quercus gambelii Indian ricegrass Oryzopsis hymenoides Mountain mahogany Cercocarpus montanum WestWater Engineering Page 2 of 8 March 2012 Table 1. Native plant species observed near the site in unaltered vegetation communities. Common Name Scientific Name Needlegrass spp. Achnatherum spp. Penstemon spp. Penstemon spp. Bluegrass spp. Poa spp. Sagebrush Artemesia tridentata Serviceberry Amelanchier alnifolia Smooth brome Bromus intermis Snowberry Symphoricarpos oreophilus Wheatgrass, intermediate Thinopyrum intermedium Wild rose Rosa woodsii Yarrow Achillea millefolium Yellow rabbitbrush Chrysothamnus nauseosus Threatened, Endangered, Sensitive Plant Species A review of the Colorado Rare Plant Field Guide (Spackman et. al. 1997) indicated that no threatened, endangered, or sensitive plant species would be expected near the site. Noxious Weeds Noxious weed surveys did not detect any State or Garfield County listed noxious weed species with the exception of widely scattered cheatgrass (Bromus tectorum—State C list). Noxious weed control efforts on the compressor site, access road, and adjacent well pad appear to be adequate, although non-native nuisance species such as kochia, tumble mustard, and Russian thistle are abundant and negatively impact revegetation and reclamation efforts. WILDLIFE Threatened & Endangered Wildlife No threatened, endangered, or candidate species of wildlife or suitable habitat for these species exists within the survey area or would be affected by this project. Raptors At a minimum, eleven raptor species have potential to inhabit the area surrounding the site and are listed in Table 2. The most common raptor species observed in the area include American Kestrel, Cooper’s Hawk, and Red-tailed Hawk. Table 2. Raptor species that may be present in the project area. Common Name Scientific Name BCC* American Kestrel Falco sparverius No Cooper’s Hawk Accipiter cooperii No Great Horned Owl Bubo virginianus No Golden Eagle Aquila chrysaetos Yes Flammulated Owl Otus flameolus Yes Long-eared Owl Asio otus No Northern Goshawk§ Accipiter gentilis No Northern Harrier Circus cyaneus No Northern Saw-whet Owl Aegolius acadicus No WestWater Engineering Page 3 of 8 March 2012 Table 2. Raptor species that may be present in the project area. Common Name Scientific Name BCC* Red-tailed Hawk Buteo jamaicensis No Sharp-shinned Hawk Accipiter striatus No * BCC = U.S. Fish and Wildlife Service Bird of Conservation Concern (USFWS 2008). § BLM Sensitive Species No raptor nests were detected within 0.25-mile of the site. The vegetation within the raptor survey area is composed of pinyon-juniper woodlands, sagebrush, and mountain shrub communities (Figure 1). Raptor nesting habitat in the pinyon-juniper woodlands is mostly poor quality due to low tree height and an open canopy, although some pockets of more suitable raptor nesting habitat exist. Migratory, Non-migratory, and Birds of Conservation Concern (other than raptors) WWE biologists conducted pedestrian surveys and reviewed existing literature to determine the potential for the presence of any bird species that could potentially be affected by the project. Particular attention was given to identifying birds that are listed as sensitive by the Bureau of Land Management (BLM), the U.S. Fish and Wildlife Service (USFWS), and the Colorado Parks and Wildlife (CPW). Birds of Conservation Concern (BBC) are species listed by the USFWS that are priorities for conservation action (USFWS 2008). The goal is to prevent or remove the need to list additional species under the Endangered Species Act (ESA) by implementing proactive management and conservation actions. Species with potential to occur in the project area are listed in Table 3. Table 3. BLM Sensitive birds and Birds of Conservation Concern that may occur within the project area. Species Common Name Species Scientific Name Status Habitat Description Habitat and Species Observations Brewer’s Sparrow Spizella breweri BCC BLM Inhabits sagebrush dominated shrublands. Habitat-Yes Species-Not observed. Cassin’s Finch Carpodacus cassinii BCC Occurs in open conifer woodlands, including pinyon-juniper. Habitat-Yes Species-Not observed. Juniper Titmouse Baeolophus griseus BCC Pinyon-juniper woodlands. Habitat-Yes Species-Not observed. Pinyon Jay Gymnorhinus cyanocephalus BCC Pinyon-juniper woodlands. Habitat-Yes Species-Not observed. The woodlands, sagebrush, and mountain shrublands in the area surrounding the project site provide nesting and foraging habitat for various migratory and non-migratory bird species, depending on the season of the year (Andrews & Righter 1992). The area immediately surrounding the High Mesa Compressor is composed of sagebrush and pinyon-juniper woodlands which provide valuable foraging habitat and nesting habitat for a multitude of bird species. American Elk and Mule Deer The site is located in CPW Game Management Unit (GMU) 42. The compressor site is within CPW- NDIS mapped mule deer and American elk winter ranges (Figures 2 & 3) (NDIS 2011). The site is located within a mule deer winter concentration area and is approximately 0.34 miles from mule deer WestWater Engineering Page 4 of 8 March 2012 severe winter range. The compressor site is within an elk winter concentration area. The area provides valuable winter habitat for migrating and resident big game year-round. Black Bear and Mountain Lion CPW-NDIS mapping shows the site to be within overall range for black bear and mountain lion, but not within a human conflict area with either species (NDIS 2011). Both species could be observed within the general area year-round, though black bear typically hibernate from mid-November through May. Small Mammals Common small mammal species in the project area include coyote (Canis latrans), cottontail (Sylvilagus spp.), least chipmunk (Tamias minimus), and a multitude of additional rodent species. Reptiles Western terrestrial garter snakes (Thamnophis elegans) would be the most common snakes expected in the vicinity (Hammerson 1999). Midget faded rattlesnake (BLM Sensitive – Crotalus viridis concolor) may inhabit the area but have not been observed. Several lizard species could inhabit the area. Amphibians Since there are no permanent water sources near the site no amphibian species are expected to occupy the area and none would be potentially affected. SECTION 4-502 (8) (a) Determination of Long and Short-term Effects on Flora and Fauna FAUNA Raptors Approximately 1.84 acres of pinyon-juniper woodlands was removed for construction of the compressor station. Judging from woodland characteristics surrounding the site, the trees removed likely provided poor raptor nesting habitat. There is a low possibility for effects related to the increased human presence and activity associated with operation and maintenance of the compressor in the midst of other activities in the area including agriculture and natural resource production. American Elk and Mule Deer Human presence and activity may affect animal distribution or have temporal affects on habitat use. The direct loss of approximately 1.84 acres of mixed shrubland/woodland in this area likely has little if any affect on big game given the amount of undisturbed rangeland and agricultural pastures nearby. Black Bear and Mountain Lion Potential encounters of black bear with personnel could occur if garbage or food is available to bears and incidences of human-black bear interactions sometimes result in the euthanasia of offending bears by the CPW. Mountain lion would not be affected. Small Mammals, Birds (BCC), and Reptiles Human presence and activity may affect animal distribution or have temporal affects on habitat use. The affects of 1.84 acres of vegetation removal include loss of nesting habitat for birds and loss of foraging habitat for all species. FLORA Approximately 1.84 acres of native vegetation has been affected for the development of the High Mesa Compressor site. No TESS plants have been affected. It appears that the current noxious weed WestWater Engineering Page 5 of 8 March 2012 management strategy has been effective although non-native invasive species have become well established and affect revegetation and reclamation efforts. SECTION 4-502 (8) (c) (1) Determination of the effect on significant environmental resources-- critical wildlife habitat Potential issues are outlined below. Loss of nesting habitat for migratory birds, forage for big game and other wildlife: Construction of the compressor station has removed approximately 1.84 acres of nesting and foraging habitat for migratory birds, including BCC species. The vegetation removal has also resulted in a reduction in forage availability for big game and other wildlife. Indirect construction effects: In addition to direct removal of vegetation, operation of the facility and increased human presence and noise creates an avoidance area surrounding the site resulting in an indirect loss of habitat. Since the site exists amid significant human presence related to other activities in the area, the additional disturbance from this project is low but does contribute to cumulative effects. Big Game winter range and migration corridors: The compressor site is situated within deer and elk winter ranges including a deer winter concentration area and elk winter concentration area. No specific deer or elk migration corridors are affected, though migration occurs in and around the site. Potential affects could result from vehicle collisions, direct loss of forage, and indirect habitat loss due to avoidance areas. REFERENCES Andrews, R., and R. Righter. 1992. Colorado Birds: A Reference to Their Distribution and Habitat. Denver Museum of Natural History, Colorado. Garfield County. 2008. Garfield County Unified Land Use Resolution. Final Draft dated July 1, 2008. Glenwood Springs, Colorado. Hammerson, G. A. 1999. Amphibians and Reptiles in Colorado, Second Edition. Colorado Division of Wildlife, Denver. NDIS. 2011. Natural Diversity Information Source—Colorado Parks and Wildlife. http://ndis.nrel.colostate.edu/wildlife.asp. Accessed November 2011. Spackman, S., B. Jennings, J. Coles, C. Dawson, M. Minton, A. Kratz, and C. Spurrier. 1997. Colorado Rare Plant Field Guide, Prepared for the U.S. Bureau of Land Management, the U.S. Forest Service and the U.S. Fish and Wildlife Service by the Colorado Natural Heritage Program. USFWS. 2008. Birds of Conservation Concern 2008. U.S. Fish and Wildlife Service, Division of Migratory Bird Management, Arlington, Virginia. WWE. 2011. Encana Oil & Gas (USA) Inc. High Mesa 16-inch discharge pipeline raptor survey report. April 2011. Grand Junction. WestWater Engineering Page 1 of 11 November 2011 Legend CJ 114 Mil• Surwy Atu CJ Compre$$0r fJ<ponMOn m Mute Oeer Wnter Concentt1!$0n Ma D Mull O.•r S.V.re 'Motor Range LJ BLM Figure 2 Encana Oil & Gas (USA) Inc. High Mesa Compressor Garfield County Limited Impact Review Mule Deer Activities n 'INe stwater Enginee ri ng "'-:a Conwtuti9 ~9""""' ~ Sc5tnti.sb 0 .... "' ..... Mar ch 2012 - WestWater Engineering Page 2 of 11 November 2011 Legend c:::J 114 Mile Survey AIU c:::J CompreSSOf EJ<pansion m El< \Mnter Co-ntr>tion ArH LJ BLM Figure 3 Encana Oil & Gas (USA ) Inc. High Mes a Compressor Garfield County Limited Impact Review Elk Activities ;~~~~:f~~~~i~~~~~~~~~==~~ """'1Nes1wa1er engineering -:a (Of'lwtdtl9 ~9lr'lfff'J ~ Sc5tnfub ,,,,,. ............ 1 • ·----=====----·~"============='"' ..... March 2012 ·-- ENCANA OIL & GAS (USA) INC. HIGH MESA COMPRESSOR SITE Section 7-202 Protection of Wildlife Habitat Areas Garfield County Unified Land Use Resolution 2008 Cover Photo: View of Encana’s existing High Mesa Compressor site in March 2012. Prepared for: Encana Oil & Gas Inc. 10654 County Road 215 Parachute, CO 81635 Prepared by: WestWater Engineering, Inc. 2516 Foresight Circle #1 Grand Junction, CO 81505 In cooperation with: Olsson Associates 826 21 ½ Road Grand Junction, CO 81505 March 2012 WestWater Engineering Page 1 of 2 March 2012 WILDLIFE Raptors Activities associated with the compressor site have minimal potential to impact raptor populations as the small amount of nesting habitat directly affected is of poor quality due to tree height and canopy cover, and no occupied raptor nests have been documented near the site in 2011. Activities assoiciated with operation of the compressor will have little indirect effect on raptors given the cumulative scale of ongoing activities in the area and the large amount of unaffected habitat surrounding the site. American Elk and Mule Deer The area surrounding the compressor is of high value to big game species. Noxious weed control strategies appear effective and unused areas around the compressor have been revegetated, further reducing the chance for noxious weed establishment and ensuring forage availability to the greatest extent possible. Several species of invasive, non-native nuisance weeds have become established on the site, however, and reduce the value of the revegetated areas for wildlife. These species include kochia, tumble mustard, and Russian thistle, and control of these species would benefit big game. Human activities at the site should be limited to the daylight hours as much as possible, particularly during winter months, to reduce stress on big game animals during the important foraging hours near dawn and dusk. Speed limits on the access roads are low (approximately 15-20 miles-per-hour) and maintaining these low speed limits would prevent collisions with wildlife. Black Bear Black bear may forage near the compressor during all but the winter months. Personnel may be unfamiliar with wildlife in the area and should be informed of the potential for bear interactions. Bears that become habituated to human presence and unnatural food sources are often euthanized if they become a threat to humans. Personnel should not feed bears at any time. Bears should not be approached if encountered in the project area. Bear-proof dumpsters were noted on the compressor site and are a good mitigation measure to prevent conflicts with bears. All other garbage and any food items should be removed from the site on a daily basis. Mitigation of Habitat Loss to Birds Approximately 1.84 acres of vegetation removal has occurred within a mixed shrubland/woodland area. This type of habitat has high nesting and foraging habitat value for many passerine birds in this area. The current noxious weed control strategies appear effective and unused areas around the compressor have been revegetated, further reducing the chance for noxious weed establishment and ensuring forage availability to the greatest extent possible. Small Mammals and Reptiles There are no seasonal restrictions or special requirements for development related to these species. PRESERVATION OF NATIVE VEGETATION The compressor site has resulted in the removal of approximately 1.84 acres of native vegetation from the site. Revegetation of disturbed areas surrounding the compressor consists of a combination of native and non-native grasses, and some shrub species have become established. WestWater Engineering Page 2 of 2 March 2012 The current revegetation efforts appear adequate for mitigating erosion and with increased control of non-native invasive species habitat loss will have been mitigated to the fullest extent possible. Treatment and Control of Noxious Weed Infestations Current weed management strategies appear to be adequate and should be maintained. The highest priority for noxious weed management is to prevent the establishment of any noxious weed infestation of the project site. Noxious weeds aggressively compete with native vegetation. Most have come from Europe or Asia, either accidentally or as ornamentals that have escaped. Once established they tend to spread quickly because the insects, diseases, and animals that normally control them are absent. Prevention is especially valuable in the case of noxious weed management. Noxious weeds are spread by man, animals, water, and wind. Prime locations for the establishment of noxious weeds include roadsides, construction sites, wetlands, riparian corridors, and areas that are overused by animals or humans. Subsequent to soil disturbances, vegetation communities can be susceptible to infestations of invasive or exotic weed species. Vegetation removal and soil disturbance during construction can create optimal conditions for the establishment of invasive, non-native species. Construction equipment traveling from weed- infested areas into weed-free areas could disperse noxious or invasive weed seeds and propagates, resulting in the establishment of these weeds in previously weed-free areas. Several simple practices should be employed to prevent most weed infestations. The following practices should be adopted for any activity to reduce the costs of noxious weed control through prevention. The practices include: Prior to delivery to the site, equipment should be thoroughly cleaned of soils remaining from previous construction sites which may be contaminated with noxious weeds. If working in sites with weed-seed contaminated soil, equipment should be cleaned of potentially seed-bearing soils and vegetative debris at the infested area prior to moving to uncontaminated terrain. All maintenance vehicles should be regularly cleaned of soil. Avoid driving vehicles through areas where weed infestations exist. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Noise Study Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 ATCO Emissions Management 464 Park Grove Lane, Suite A Katy TX 77450 Tel: 281-741-6013 Cell: 832-277-2940 E-mail: info@atcoem.com Monday, September 30, 2013 Mike Rose Summit Midstream Partners MRose@summitmidstream.com Acoustical Summary of High Mesa Gas Compressor Facility Mr. Rose, Per your direction, ATCO has completed an acoustical assessment of the High Mesa Compressor Facility located southwest of Parachute, Colorado in Garfield County. The site consists of seven (7) Cat G3516 engine driven compressors and Air-X-Changers 156EH vertical coolers and one (1) Cat G3616 compressor with one (1) process and unit cooler. The site must adhere to Section 802 of the COGCC Aesthetic and Noise Control Regulations which states that nighttime noise levels in a residential or agricultural zone cannot exceed 50 dBA as measured 350-ft from the noise source or property line, whichever is greater. As the High Mesa property is relatively small, the larger 350-ft from the noise source designation applies in the design. Included herein are noise contours of two operating scenarios. The first scenario is with one bank of four (4) Cat G3516 units (Unit #1-#4) and one (1) Cat G3616 unit (Unit #8) running at full load. The second scenario consists of seven (7) Cat G3516 units (Unit #1-#7) and one (1) Cat G3616 unit (Unit #8) operating at full load. In both scenarios, acoustic mitigation consists of acoustic building(s), acoustically mitigated powered ventilation systems, engine exhaust silencers, as well as cooler inlet/discharge silencers and acoustical barriers. Figure below shows the acoustical buildings and cooler silencers for Unit #1-#7. High Mesa Acoustic Mitigation Sketch for Units #1 - #7 ATCO Emissions Management 464 Park Grove Lane, Suite A Katy TX 77450 Tel: 281-741-6013 Cell: 832-277-2940 E-mail: info@atcoem.com The acoustic model and subsequent noise contours were developed using the widely accepted Cadna/A modeling software which is based on the ISO 9613-2 standard for outdoor noise propagation. Inputs to the noise model were based on field measurements of the actual equipment in operation. Meteorological conditions are 50°F and 50% RH with slight downwind in all directions. Topography of the surrounding area is also included. The model assumes all building doors are closed and the existing acoustic barriers removed. Scenario 1: High Mesa Noise Contour, Unit #1 - #4 and Unit #8 in Operation 350’ 350’ 350’ 350’ ATCO Emissions Management 464 Park Grove Lane, Suite A Katy TX 77450 Tel: 281-741-6013 Cell: 832-277-2940 E-mail: info@atcoem.com Scenario 2: High Mesa Noise Contour, Unit #1 – Unit #7 and Unit #8 in Operation I trust the information herein to be useful. Please contact me with questions or concerns. Ankit Chadha Acoustician ankit.chadha@atcoem.com 832-277-2940 350’ 350’ 350’ 350’ 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Air Quality Permits Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 Permit # Qty Permitted Item Description Model # Serial # 06GA0851 2 300 BBL fixed roof storage tanks used to store condensate N/A N/A 08GA0887 Equipment leaks (Fugitive VOCs) from a natural gas compression facility N/A N/A 08GA1194 1 Caterpillar G3516LE WPW00191 08GA1195 1 Caterpillar G3516LE WPW00189 08GA1196 1 Caterpillar G3516LE 4EK05031 08GA1197 1 Caterpillar G3516LE 4EK04910 08GA1198 1 Caterpillar G3516LE 4EK04903 08GA1199 1 Caterpillar G3516LE 4EK04857 08GA1200 1 Caterpillar G3516LE 4EK04855 10GA1308 1 Triethylene glycol (TEG) natural gas dehydration unit TBD TBD 10GA1959 1 Caterpillar 3616TALE TBD STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC H E ALTH AND ENVCRONMENT AJR POLLUTION CONTROL DJVlSION TELEP HONE: (303) 692-3150 CONSTRUCT ION PERMIT PE RMIT NO: DAT E ISSUE D: 06GA0851 MAY 1 8 2010 Issuance 2 ISSUED T O: EnCana Oil & G as (USA) Inc. THE SO UR CE TO WHI CH T HIS PERM IT AP PLIES IS DESCRI B ED AN D L OC ATED A S FOL L OW S: Natural gas gathering facility, known as the High Mesa Compressor Station , located at Section 36 , Range 96 West, Townshi p 7 South , in Garfield County, Colorado . T HE SPEC IFIC EQUIPMEN T OR AC TIVITY SU BJECT TO TH IS PERMIT IN CLUDE S THE F OLLOWIN G: Facility AIRS Equipment Poi n t Descr iption ID CT-01 005 Two (2 ) 300 BBL fixe d roof storage tanks used to store c onden s ate. THIS PERMIT IS GRANTED SUBJECT TO ALL RU L ES AN D RE GULATIONS O F T HE COLORADO AIR QUALITY CONTROL COMMISSION A ND TH E COLORA DO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq), T O THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE F OLLOWIN G SPEC IFIC T ERMS AND CO NDITI O NS : REQUIREMENT S TO SELF-CERTIFY FO R FI NAL AUTHORIZATION 1 . Th is construction perm it represents fi na l per mit approva l and authority to operate this emissions source (Regu lation 3, Pa rt B, Section 111.G.5). 2. T he perm it number sha ll be marked on the subject equipment for ease of identificati on . (Reference : Regulation Number 3, Pa rt B, 111 .E.) (State only enforceab le) EMISSION LIMITATIONS AND RECOR DS 3. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's prel iminary anal ysis). (Reference : Regulation No. 3, Part B , Section 11 .A.4) Annua l Limits: Facility AIRS Tons per Year Equipment ID Po i nt NOx v oe co Em i ssion Type CT -01 005 4 .8 Point See "Notes to Permit Holder #4 " for tnformat1on on emission factors and methods used to calculate limits. AIRS ID : 045/1046/005 Page 1of6 Condensate Tank Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 06GA0851 Issuance 2 Colorado Department of Public Health and Environment Air Pollution Control Division Compliance with the annual lirr ts shall be determined on a rolling (12) month total. By the end of each month a new twe 1e month total is calculated based on the previous twelve months' data. The permit holdE r shall calculate monthly emissions and keep a compliance record on site, or at a local fielc office w ith site responsibility for D ivision review. PROCESS LIMITATIONS AND RECORDS 4 . This source shall be limited tc the following maximum consumption , processing and/or operational rates as listed belo r.t . Monthly records of the actual consumption rate shall be maintained by the applicant anc made available to the Division for inspection upon request. (Reference: Regulation 3 , Part B, 11 .A .4) Process/Consumption Limits Facility Equipment ID CT-01 AIRS Point 005 Process Parameter Annual Limit Condensate processed 913 bbl Compliance with the yearly car sumption limits shall be determined on a rol ling twelve (12) month total. By the end of ead month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly consumption of natural gas and keep a com ~~l iance record on site or at a local field office with site responsibility, for Division reviel N. I STATE OR FEDERAL REGULAT ~1 tRY REQUIREMENTS 5 . Visible emissions shall not exc 'ed twenty percent (20%) opacity during normal operation of the source. During periods ,f startup , process modification , or adjustment of control equipment visible emissions s h bll not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Re f erence: Regulation No. 1, Section II.A 1. & 4 .) 6 . This source is subject to the od ol r requirements of Regulation No. 2 . (State only enforceable) OPERATING & MAINTENANCE R E QUIREMENTS 7 . There are no requirements unc er this heading . COMPLIANCE TESTING AND SA VIPLING 8. The operator shall complete sit1 I specific sampling including a compositional analysis of the pre-flash pressurized condense te routed to these storage tanks and a sales oil analysis to determine RVP and API gravity Testing shall be in accordance with the guidance contained in PS Memo 05-01 . Resu Its of i es ting shall be used to determine a site-specific emissions factor using Division approved nnethods. Results of site-specific sampling and analysis shall be submitted to the Division !is part of the self-certification and used to demonstrate compliance with the emissions actors chosen for this emissions point. ADDITIONAL REQUIREMENTS 9 . A revised Air Pollutant Emissior. Notice (APEN) shall be filed : (Reference: Regulation No. 3 , Part A , 11.C) a. Annually whenever a si 1Bnificant increase in emissions occurs as follows: AIRS ID: 045/1046/005 Page 2 of 6 EnCana Oil & Gas (USA) Inc . Permit No. 06GA0851 Issuance 2 Colorado Department of Public Health and Environment A i r Pollution Control Division For any c ri teria poll utant: For sources emitting less t han 100 tons per yea r, a change in actual emissions of five (5) tons per year or more , above the level reported on the last APEN ; or For an y non-c riteria reportab le pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed , or whenever a different type of control equipment replaces an exist ing type of control equipment; or d. Whenever a permit limitation must be modified ; or e . No later than 30 days before the ex ist i ng APEN expires. 10 . This source is subject to the provisions of Regulation Number 3 , Part C, Operating Permits {Title Vof the 1990 Federa l Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The app lication forthe modification to the Operating Perm it is due w ithin one year of commencement of operation of the equipment or modification covered by this permit. GENERAL TERMS AND COND ITIONS 11. This permit and any attachments must be reta ined and made available for inspection upon request at the location set forth herein . The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No . 3 , Part B, Section 11.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee . 12 . Issuance of a construction permit does not provide "fina l" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance w ith the provisions of 25-7-114 .5{12)(a) C.R.S . and AQCC Regu lation No. 3 , Part B , Section 111.G . Final authorizat ion cannot be granted until the operation or activity commences and has been verifi ed by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division , it will provide written documentation of such final authorization . De tails for obta ining fin a l auth orization to operate are located in th e R equir ements to Self-Certify for Fin al Auth orization section of th is permit. 13 . This permit is issued in reliance upon the accuracy and comp leteness of information supplied by the applicant and is conditioned upon conduct of tlhe activity, or construction , installation and operation of the source , in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 14 . Unless specifically stated otherwise , the gene ra l and specific conditions contained in this permit have been determined by the APCD to be necessary to assu re compliance with the provis ions of Section 25-7-114.5(7)(a), C.R.S. 15 . Each and every condition of this permit is a mater ial part hereof and is not severable. Any challenge to or appeal of a condition h ereo f sh al l constitute a rejection of the ent ire permit and upon such occurrence, this permit s hall be deemed denied ab initio. This permit may be revoked at any time prior to self-certifi cation and final authorization by the Air Pollution AIRS ID: 045/1046/005 Page 3 of 6 EnCana Oil & Gas (USA) Inc. Permit No . 06GA0851 Colorado Department of Public Health and Environment Air Pollution Control Division Issuance 2 16 . 17 . AIRS I Control Division (APCD) on grlLnd s set forth in the Colorado Air Quality Control Act and regulations of the Air Quality ont rol Commission (AQCC), including failure to meet any express term or condition of th permit. If the Division denies a permit, conditions imposed upon a permit are contested by he applicant, or the Division revokes a permit, the applicant or owner or operator of a sourc may request a hearing before the AQCC for review of the Division's action . Section 25-7-114.7(2)(a), C .R. . requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration . If a source o activity is to be discontinued , the owner must notify the Division in writing requesting ca n cellatio n of the permit. Upon notification, annual fee billing will terminate . Violation of the terms of a perm! or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulatio s of the AQCC may result in administrative, civil or criminal enforcement actions under Se tio ns 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122 .1 (criminal pe lties), C .R.S . By: ' ... Permit Engineer Air Pollution Control Div sion Permit History Issuance Date Description Issuance 1 February 2~6 . Issued to Encana Oil & Gas (USA) Inc. 2009 Issuance 2 This lssu d ri ce Rev ised equ ipment description . D : 045/1046/005 Page 4 of 6 EnCana Oil & Gas (USA) Inc. Perm it No. 06GA0851 Issuance 2 Colorado Department of Publ ic Health and Environment A i r Pollution Control Division Notes to Permit Holder: 1) The production or raw material processing limits and em ission limits contained in this permit are based on the consumption rates requested in the permit appl ication. These limits may be revised upon request of the permittee providing there is no exceedance of any specific em ission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be subm itted with a request for a permit revision . 2) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission lim it or limits state d in this permit as soon as poss ib le , but no later than noon of the next working day, followed by written notice to the Division addressing al l of the criteria set forth in Part 11.E .1 of the Common Provisions Regulation . See: http://www . cdphe. state. co . us/regulations/airregs/1 00 102aqcccommonprovis ionsreg . pdf. 3) The following em issions of non-criteria reportab le air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's ana lysis of the specific compounds emitted if the source(s) operate at the permitted limitations . Uncontrolled Emission Are the Controlled AIRS Rate em issions Emission Point Pollutant CAS# BIN (lb/yr) reportable? Rate (lb/yr) Benzene 71432 A 55 YES NA 005 Toluene 108883 c 61 NO NA 4) The emission levels conta ined in this perm it are based on the following emiss ion factors : Points 005: Emission Factors Emission Factors CAS# Pollutant Uncontrolled Controlled Source lb/BBL Co ndensate lb/BBL Condensate Throughput Throughput voe 10.5 10 .5 Source 71432 Benzene 0.059 0.059 Source 108883 Toluene 0.067 0.067 Source 5) In accordance with C.R.S . 25 -7-114.1 , the Air Po llutant Em ission Notice (APEN) associated with this permit is va lid for a term of five years. The f ive-year term for this APEN expires on September 11, 2011. A rev ised APEN shall be submitted no later than 30 days before the five-year term expires . 6) This facility is classified as fo llows: Applicable Status Requirement Operating Permit Synthetic Minor Source : voe Major: NOx, CO , HAPs PSD True Minor Source NOx, co, voe MACT HH Synthetic Minor Source : Toluene , Total HAPs AIRS ID: 045/1046/005 Page 5 of 6 EnCana Oil & Gas (USA) Inc. Permit No. 06GA0851 Issuance 2 Colorado Department of Public Health and Environment A ir Po ll ution Control Division MACT ZZZZ I Maj o r Sou rce 7) Ful l text of the Title 40 , Protection of Er v iro nment Electronic Code of Federal Regulations can be found at the website listed below: http://ec fr.g poaccess .gov/ Part 60: Standards of Performancu for New Stationary Sources NSPS 60.1-End $ubpart A-Subpart KKKK NSPS Part 60 , Append ixes ,~ppend ix A -Appendix I Part 63: National Emission Stand< rds for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600 -63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 ls ubpart EEE -Subpart PPP MACT 63.1440-63 .6175 $ubpart QQQ -Subpart YYYY MACT 63.6580-63 .8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNNNN -Subpart XXXXXX 8) An Oil and Gas Industry Construction !Dermit Se lf-Certification Form is included with this permit packet. Please use th is form to comp lete the s ~ If-certification requ irements as specified in the permit conditions. Further guidance on self-certification d an be foun d on our website at: http ://www .cdphe .state .co.us/ap/oilga~·pe r mitting.ht ml AIRS ID: 045/1046/005 Page 6 of 6 STATE OF COLORADO C OLORADO D EPARTMENT OF PUBLIC H EALTH AND ENVIRONMENT ATR POLLUTION CO NTROL D I V l SION TELEPH ONE: (303) 692-3 150 CONSTRUCTION PERMIT PERMIT NO: 08GA0887 Issuance 1 DATE ISSUED: FEBRUARY 3,. 2009 ISSUED TO: EnCana Oil & Gas {USA) Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas gathering facility , known as the High Mesa Compressor Station , located at Section 36, Range 96 West, Township 7 South, i n Garfield County, Colo rado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING : I Facility AIRS Equipment Point Description ID FUG-2 006 Equi pment leaks (fugitive VOCs) from a natural gas compression f acili ty. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7 -101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. YOU MUST notify the APCD no later than thirty days after commencement of the permitted operation or activity by submitting a Notice of Startup (NOS) form to the APCD. The Notice of Startup (NOS) form may be downloaded onl ine at www.cdphestateco.us/ap/downloadforms .html. Fail ure to notif y t heAPCD of startup of the permitted source is a violation of Section 25-7-114.5(12)(a), C .R.S. and AQCC Regulation No . 3 , Part B , Section 111.G .1 and can result in the revo cation of the permit. 2. W ithi n one hundred and eighty days (180) after commencement of operation , compliance with the conditions contained on this perm it s h all be demonstrated to the D ivision . It is the permittee's responsi bility to self-certify comp liance with the conditions. Failure to demonst rate compliance within 180 days may resu lt in revocatio n of the permit. (Reference: Regulation No . 3 , Part B, 11.G .2). 3. Th is per mit shall e xpi re if the owner or operator of the source for which this permit was issued: (i) d oes not commence construction/mod ificat ion or operation of th is source within 18 months after e ither, the date of issuan ce of this construction permit or the date on which A IRS ID: 045/1046/006 Page 1 of 6 Fugitive Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA0887 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3 , Part B, 111.F .4.b. (Reference: Regulation No. 3 , Part B , 111.F.4.) 4 . The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3 , Part B , Section 111.E.) 5. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 6 . Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference : Regulation No. 3, Part B, Section 11.A.4) Annu al Limi ts: Facility AIRS To ns p e r Yea r Emissi o n Ty p e Equi pme nt ID Point NOx vo e c o FUG-2 006 12.0 Fugitive See "Notes to Permit Holder #4" for information on emission factors and methods used to calculate limits. Compliance with the annual limits shall be determined on a rolling (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site, or at a local field office with site responsibility for Division review. 7. Compliance with the emission limits in this permit shall be demonstrated using the most recent gas analysis. PROCESS LIMITATIONS AND RECORDS 8. There are no requirements under this heading. STAT E OR FEDERAL REGULATORY REQUIREMENTS 9. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup , process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section 11.A.1 . & 4 .) 10. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) OPERATING & MAINTENANCE REQUIREMENTS 11 . There are no requirements under this heading. AIRS ID: 045/1046/006 Page 2 of 6 EnCana Oil & Gas (USA) Inc. Permit No. 08GA0887 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 12 . The permittee shall complete extended gas analysis of gas samples that are representative of gas that may be released as fugitive emissions . 13 . Within one hundred and eighty days (180) after commencement of operation , the operator shall complete a hard count of components at the source and establish the number of components that are operated in "heavy liquid service", "light liquid service" and "gas service". Periodic Testing Requirements 14 . The permittee shall complete extended gas analysis on an annual basis of gas samples that are representative of gas that may be released as fugitive emissions. Results of the extended gas analysis shall be used to calculate emissions of criteria pollutants and hazardous air pollutants per Condition no. 6 . ADDITIONAL REQUIREMENTS 15 . A revised Air Pollutant Emission Notice (APEN) shall be filed : (Reference: Regulation No. 3 , Part A , 11.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division . b. Whenever there is a change in the owner or operator of any facility , process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 16 . This source is subject to the provisions of Regulation Number 3, Part C, Operating Permits (T itle Vofthe 1990 Federal Clean A ir Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. GENERAL TERMS AND CONDITIONS: 17 . This permit and any attachments must be retained and made available for inspection upon request at the location set forth herein. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3 , Part 8 , Section 11.8 upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. AIRS ID: 045/1046/006 Page 3 of 6 EnCana Oil & Gas (USA) Inc. Permit No. 08GA0887 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division 18. Issuance of a construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C .R.S . and AQCC Regulation No. 3, Part 8 , Section 11 1.G . Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 19. This permit is issued in reliance upon the accuracy and completeness of inform ation supplied by the applicant and is condit ioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operation s or activity specifically ident ified on the permit. 20. Unless specifically stated otherwi se , the general and specific conditions contained in this permit have been determine d by the A P C D to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C .R.S. 21 Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence , this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 22 . Section 25-7-11 4 .7(2)(a), C.R.S. re quires that all sources req uired to file a n Air Pollution Emission N otice (APEN) mu st pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notif y the D ivision in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 23. Violation o f the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the re g ulatio ns of the A Q CC may result in administrative, civil or cr iminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties}, C .R.S. /'\ By: Carissa Money, P .E. Permit Engineer Pe rmit History Iss uance Date Issuance 1 T his Issuance A IRS ID : 045/1046/006 Descri ption Issued to EnCana Oi l & Gas (U SA) Inc. P age 4 of 6 EnCana Oil & Gas (USA) Inc. P ermit No . 08GA0887 Issuance 1 Colorado Department of Publi c Health a n d Environme nt Air Po ll ution C ontrol Division Notes to Permit Holder: 1) The production or raw m aterial processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be subm itted with a request for a permit revision. 2) This source is subject to the Common Provisio ns Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in t his permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division add ressing all of the c riteria set forth in Part 11.E.1 . of the Common Provisions Regulation. See: http://www. cd phe. s tate. co . us/regulations/airregs/1001 02agcccom man provisionsreg . pdf. 3) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Point Pollutant CAS# BIN (lb/yr) reportable? Rate (lb/yr) Benzene 71432 A 85 YES N/A Toluene 108883 c 127 NO N/A 006 Ethyl benzene 1004 14 c 2 NO N/A Xylene 1330207 c 40 NO N/A Hexane 110543 c 531 NO NI A 4 ) The emission levels contained in this permit are based on the following emission factors : Component Count: ~ --· Component Gas Service Water/Oil Light Oil Heavy O it Service Valves 500 35 255 0 Connectors 1240 85 640 0 Flanges 170 15 90 0 Seals 0 0 9 0 Open-ended Lines 150 I 15 80 0 Other* 50 0 0 0 VOC Content {wt"/o) 6.7% 0% 100% 0% *Other equipment type includes compressors , pressure relief valves, relief va lves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors (kg/hr-component): Component Gas Service Water/O il Service Light Oil Heavy Oil Valves 4 .5E-03 9.8E-05 2.5E-03 8.4E-06 Connectors 2.0E-04 1.1 E-04 2.1E-04 7.5E-06 AIRS ID: 045/1046/006 Page 5of6 EnCana Oil & Gas (USA) Inc. Permit No. 08GA0887 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Flanges 3.9E-04 2.9E-06 1.1 E-04 3.9E-07 Seals 2 .4E-03 2.4E-05 1.3E-02 NA Open-ended Lines 2 .0E-03 2 .5E-04 1.4E-03 1.4E-04 Other 8.8E-03 1.4E-02 7.5E-03 3.2E-05 Source: EPA-453/R95-017 Compliance with emissions limits will be demonstrated by using the TOC emission factors (listed in the table above) multiplied by the VOC content from the most recent gas analysis. 5) In accordance with C .R.S. 25-7-11 4 .1, the Air Pollutant Emission Notice (APEN ) associated with this permit is valid for a term of five years. The five-year term for this A PEN expires on September 11 , 2011 A revised A PE N shall be submitted no later than 30 days before the five-year term expires. 6) This facility is classified as follows: Applicable Reauirement Status Operating Permit Synthetic Minor voe Major Source: NOx, CO, HAPs PSD True Minor: NOx, CO, VOC MACT HH Synthetic Minor: Toluene, Total HAP MACT ll.ZZ Major Source: Formaldehyde, Toluene, T otal HAP 7) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below- http://ecfr.gpoaccess.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A -Subpart KKK K NSPS Part 60, Appendixes Appendix A-Appendix I Part 63 : National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNNN N -Subpart XXXXXX 8) An Oil a no Gas Industry Construction Permit Self-Certification Form is included with this permit packet. Please use this form to complete the self-certification requirements as specifi ed in the permit cond itions. Further guidance on self-certification can be found on our website at: http , ivw..,. cdphe.stcite.co us.ap/01 gasperm1~tmg .htrr .. A IRS ID: 045/1046/006 Page 6of6 STATE OF COLOMDO Bill Altier, Jr., Governor James B. Ma rti n, Executive Director Dedicated to protecting and improving the health and envi ronm ent of the people of Colorado 4300 Cherry Creek Dr. S . Laboratory Services Division Denver, Colo rado 80246-1530 8100 Lowry Blvd . Phone (303) 692-2000 Denver .. Colorado 80230-6928 TDD Line (303) 691-7700 (303) 692-3090 Located in Glendale, Colorado http://www.cdphe.state.co.us C indy A llen Enc ana USA. Inc . 3 70 l 71h Street Sui te 1700 De nve r. C O 802 02 Ms . Allen: OIL AND GAS CONSTRUCTION PERMIT FINAL AUTHORIZATION TO OPERATE Colorado Department of Public Health and Environment The Air Pollution Contro l Division has reviewed and approved the information supplied with the self~ certification for the permit listed below. Accordingly, you are now issued this final authorization to operate under the terms and conditions of the pennit. This Final Authorization to Operate letter is valid upon issuance and a copy must be maintained with the associated permit. This letter must be made available to the Division for inspection upon request. Company Name: Encana USA, Inc. Source Name: High M es a Com pre ssor Station Source Location : Section 36 , T 7S, R96W, in Garfield County AIRS ID: 045 /] 04 6/006 Permit Number: 080/\0887 Issuance Number: I 1 I Authorization Letter Issue Date: If you have any questions about this authorization letter, please contact the Division at 303-692-3189 . Sincerely, Dou g Ryde Final Approva Coordinator Air Pollution Control Division Page I of I STATE OF COLORADO C OLORADO DEPARTMENT OF PUBLIC HEAL TH AND ENVIRONMENT A IR POLLUTION CONTROL DIVISION T ELEPHONE: (303) 692-3 150 CONSTRUCTION PERMIT PERMIT NO : 08GA1194 DATE ISSUED: JUI 31 2009 Issuance 1 ISS UED T O: EnCana Oil & Gas (USA) Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Nat ural gas compression faci l ity, known as the High Mesa Compressor Station, located in SENW Section 36 , Township 7S, Range 96W, in Garfield County, Colorado. THE SPEC IFIC EQUIPMENT O R ACTIVITY SUBJECT TO T HIS PERMIT INC LUDES T H E FOLLOWING: Facility A IRS Equipme nt Point Description ID One (1 ) Caterpillar, Model G3516LE, Serial NumberWPW00191 , natural gas-fired , turbo-charged , 4SLB reciprocating intern al HM03 008 combustion engine, site rated at 1 ,208 horsepower at 1 ,400 RPM . This engine shall be equipped with an oxidation catalyst and air- fuel ratio control. This emission unit is used for natural gas compression . This engine may be replaced with another engine in accordance wi t h the temporary engine replacement provision or with another C aterpill a r G 351 6 LE engine in accordance w ith the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this perm it as Attachment A THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY C ONTROL COMMISSION AND THE C OLORADO AIR POLLUTION PREVENTION AND C ONTROL ACT C .R.S. (25-7-101 et s eq), TO THOSE GENERAL TERMS AN D C ONDITIONS INCLUDED IN THIS DOC UMENT AND THE FOLLOWING SPEC IFIC TERMS AND C ONDITIO NS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. This construction permit represents final perm it approva l and authority to operate this emissions source (Regulation 3 , Part B, Section 11 1.G .5). A IRS ID : 045/1046/008 Page 1 of 17 N GEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LIMITATIONS AND RECORDS 2. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B , Section 11.A.4) M thl L . ·1 on IV 1m 1 s: Facilit y AIRS Pounds p er M o nth Equipment ID Point NOx voe co Emiss ion Type HM03 008 2972 486 306 Point Monthly limits are based on a 31-day month . A nnual Limits: Facility AI RS Tons per Year Equ i pment ID Point NOx voe co Em ission Type HM03 008 17.5 2.9 1 8 Point See ·Notes to Permit Holder #4 for mformat1on on em1ss1on factors and methods used to calcul ate limits During the first twelve (12) months of operation . compliance with both the monthly and yearly emission limitations shall be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required. Compliance with the synthetic minor status of this facility shall be determined by recording the facility's annual criteria pollutant emissions, from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. T he permit holder shall calculate monthly emissions and keep a compliance record on site , or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all emission units, requiring an APEN , at this facility. 3. This eng i ne shall be equipped with an oxidation catalyst and air-fuel ratio control. T he selective oxidation catalyst shall be capable of reducing uncontrolled emissions of VOC and CO from the unit to the emission levels listed in Condition 2 , above. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3, Part B , Section 111.E.) PROCESS LIMITATIONS AND RE CORDS 4. This source shall be limited to the following maximum consumption. processing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B , 11.A.4) Process/Consu mpti on Limits I Facility AIRS Annua l Monthly Equipment Point Process Parameter Lim i t Limit (31 ID days) HM03 008 Consumption of natural gas as a 90.9 7 .72 fuel MMscf/yr MMscf/month AIRS ID: 04 5/1046/008 Page 2of17 I EnCana Oil & G a s (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division During the first twelve (12) months of operation, compliance with both the monthly and yearly consumption limitations shall be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Compliance with the yearly consumption limits shall be determined on a rolling twelve ( 12) month total. By the end of each month a new twelve-month total is calculated based on the p revious twelve months' data. T he permit holder shall calculate monthly consumption of natural gas and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 5. Visib le emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modificat ion, or adjustment of contr ol equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1 , Section 11.A .1. & 4 .) 6 . This source is subject to the odor requirements of Regulation No . 2 . (State only enforceable) 7. The permit number and AIRS ID number s h all be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3 , Part B, 111.E.) (State only enforceable) 8 . This sou rce is subject to the requirement s of: • Regulation No. 8, Part E , Subpart 111.FFFF: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Part E, Subpart I.A, National Emission Standards for Hazardous Air Pollutants for Source Categories: General Provisions, 40 CFR Part 63 including, but not limited to, the following : • Emission and Operating Limitations o 63.6600(b) -If you own or operate a new or reconstructed 4SLB s tationary R ICE with a site rating of more than 500 b rake HP located at major source of H AP emissions you must comply with the following emission limitations (Table 2a, Subpart ZllZ to Part 63): • reduce CO emissions by 93 percent or more; or • limit concent ration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. A IRS ID: 045/1046/008 Page 3 of 17 EnCana Oil & Gas (USA) Inc . Permit No. 08GA1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart UZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 perc ent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your st ationary RICE exhaust so that t he catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F . • General Compliance Requirements o §63.6606(a) -You m ust be in compliance w ith the emiss ion limitations a nd operating limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction . o §63.6605(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE, including air pollution control and monitoring equipment, i n a manner consistent w ith good a ir pollution control practices for minimizing emissions at all t imes, including during startup, shutdown, and malfunction. • Testing and Initial Compliance Requirements o §63.6610(a) -You must conduct the initial performance test or other initial compliance demonstrations in Table 4 to Subpart UU of Part 63 that apply to you within 180 days after the compliance date that is specified for your stationary RICE in §63.6595 and according to the provisions in §63. 7(a)(2). o §63.6615 -If you must comply with the emission limitations and operating limitations, you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart UU to Part 63). After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limitation, or you deviate from any of your operating limitations, you must resume semiannual performance t ests. o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZUZ of P art 63 that apply to you. o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/008 Page 4 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Public Health and E nv ironment Air Pollution Control Division o §63.6630(a) -You must demonstrate in it i al compli ance with each emission and operating limitation that applies t o you according to Table 5 of Subpart ZZZZ t o Part 63. o §63.6630(b) -During the initial performance test, y ou must establish each operating lim itation in Tables 1 b and 2b o f Subpart ZZZZ t o Part 63 that applies to you. o §63.6630{c ) -You m ust submit the Notification of Compliance Status containing the results of the in it ial compli ance demonstration ac cord ing t o the requir ements in §63.6645. • Continuous Compliance Requirements o §63 .6635(b) -E xcept for monitor malfunct ions, associate d repairs , and required quality assurance or control activities (includin g , as applicable, calibr ation checks and required zero and span adj ustments), yo u must monitor continuously at all t imes that the statio nary RICE is operat ing. o §63.6635(c) -You may not use data recorded duri ng monitoring malfunctions, associated repairs , and requ ired quality assurance or control activit ies in data av erages and calculations used t o report emission or operating levels . Y ou must, how ever, use all t he valid dat a collected during all other periods. o §63 .6640(a) -You must demonstrate continuous compliance w ith each emission li mitation and operating limitation in T ables 1 a and 1 b and Tables 2a and 2b of su b part ZZ2.Z of Part 63 that apply to you accordi ng to methods specified in Table 6 of Subpart ZZZZ of P art 63. o §63 .6640(b) -You must report each instance in which you d id not meet each emission limitatio n or operating limitation in Tables 1a and 1b and Tab les 2a and 2b of Subpart ZZZ2. of P art 63 that apply to y o u . T hese instan ces are deviations from t he emission and operating limitations in this subpart. These devi at ions mu st be reported according to the requ irements in §63.66 50. If you change your catalyst, you must r eest ablish the v alues of the operating parameter s measured during the initial performance test. When you reestablish the values of y ou r operating p arameters , you must also conduct a p erforman ce test to demonstrate that you are meetin g the required emission li mitation appli cable to your stationary RICE. o §63 .6640(d) -Consistent with §§63.6 (e ) and 63.7 (e)(1 ), deviations from t he emission or operati ng lim itations t h at occur during a period of st a rtup , shutdown, or malfunction are not vio lations if you demonstrate to th e Admi nistrat or's satisfaction that you were operating in accordance w ith §63.6(e)(1 ). F or new, reconstructed, and rebuilt stationary R ICE, deviation s from the emission or operati ng limitations that occur during the first 200 hours of operation from engine startup (engine bum-in period) are not violations. AIRS ID: 045/1046/008 Page 5 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division c-§63.6640(e) -You must also report each i nstance in which you did not meet the requirements in Table 8 of Subpart ZZ.Z.Z to Part 63 that apply to you . • Notifications, Reports and Records o §63.6645(a) -If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.?(b) and (c), 63 .8(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified . o §63.6645(c) -If you start up your new or reconstructed stationary RICE w ith a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6646(g) -If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63.7(b)(1). o §63.6645(h) -If you ar e required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart Z.Z.Z.Z to Part 63, you must submit a Notification of Compliance Status according to §63.9(h)(2)(ii). • §63.6645(h)(2) -For each initial compliance demonstration required in Table 5 of Subpart Z.ZZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results, before the close of business on the 60th day following the completion of the performance test according to §63.10( d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZ.Z.Z to Part 63 that applies to you . o §63.6650(b) -You must submit each report by the date in Table 7 of Subpart Z.Z.Z.Z to Part 63 and according to the requirements in paragraphs (b)(1) through (5) of §63.6650. o §63.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63.6650(e) -For each deviation from an emission or operating limitation occurring for a stationary RICE where you are using a CMS to comply with the emission and operating limitations in Subpart Z.Z.Z.Z to Part 63, you must include information in paragraphs (c)(1) through (4) and (e)(1) through (12) of §63.6650. AIRS ID : 045/1046/008 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Perm it No. 08GA 1 194 Issuance 1 Colora do D epartment of Public H e alth and E nvironm ent A i r Poll ution Cont rol Division o §63.6655(a) -If you must compl y w ith the emission and operating limitations, you must keep the re cords described in §63.6655(a)(1) through (a )(3), §63.6655 (b)(1) t hrough (b )(3) and §63.6655 (c). o §63.6655(d) -You must keep the records required in Table 6 of Subpart ZZZZ of Part 63 to show continuous compliance with each emission or operating limitation that applies to you. o §63.6660(a) -Your records must be in a form suitable and readily av ailable for expeditious review according to §63.1 O(b )(1 ). o §63 .6660(b) -As specified in §63.1 O(b)(1 ), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance, corrective action , report , or record . o §63.6660(c) -You m ust keep each recor d read ily accessible in hard copy or elect ronic form on-sit e for at least 2 year s after the d a t e of each occur rence , measure m ent, m a i nt enance, corrective action, report, or record, according to §63.1 O(b)(1 ). You can kee p the recor ds off-site for the remaini n g 3 year s . • Other Requirements and Information o §63 .6665 -T able 8 to this subpart shows which parts of the General P rovisions in §§63.1 through 63.15 apply to you. OPERA TING & MAINTENANCE REQUIREMENTS 9 . Upon startup of this point, t he applicant shall follow the operating a nd m a intenance (O&M) plan and record keeping form at approved by t he Division, in order to d emonstrate compliance on an ongoing basis wit h the requir ements of this pe r m it. Revisions to y o ur O&M plan are subject to Division approval prior to implementation. (Refer ence: Regulation No. 3 , Part B , Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. T h is engine is subject to the periodic testing requirements of 40 C .F .R P art 63, Subpart ZZll.. 11 . T h is engine is subject t o the periodic t esting requirements as specified in the oper at ing a nd m a int ena nce (O&M ) p lan as approved by the D ivision . Revisions to your O&M plan a r e subject to Division approval. Replacements of t his unit complet ed as A lternative Operating Scenarios may be subject to additional testing requir ements as s pecified in Attachment A. A IRS ID : 045/1046/008 Page 7 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1194 Issuance 1 Colorado Department of Public Health and Environment A ir Pollution Control Division ADDITIONAL REQUIREMENTS 12 . A revised Air Pollutant Emission Notice (APEN) shall be filed : (Reference : Regulation No. 3 , Part A , 11.C) a . Annually whenever a significant increase i n emissions occurs as follows : For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN ; or For any non-criteria reportable pollutant: If the emiss ions increase by 50% or five (5) tons per year, whichever is less , above the level reported on the last APEN submitted to the Division. b . Whenever there is a change in the owner or operator of any facility, process, or activity; or c . Whenever new control equipment is installed, or whenever a different type of contro l equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires . f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A The A PEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). T he provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14. Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that th is source becomes major solely by virtue of a relaxation in any permit condition . Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No. 3 Part D , Vl.8.4) GENERAL TERMS AND CONDITIONS: 15. This permit and any attachments must be retained and made available for i nspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/008 Page 8 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1194 Issuance 1 Colorado Department of Public Health and Environment Ai r Pollution Control Division AQCC Regul ation No. 3, Part B, Sect ion 11.B upon a request for transfer of ownershi p and the subm ittal of a revised A PEN and the required f ee. 16 . Issuance of a construction permit does not provide ''final" authority for this activity or operation of this source. Final authorization of the permit must be secu red f rom t he APCD in writi ng in accordance with the provisions of 25-7-114.5(12)(a) C.R.S . and AQCC Reg ulation No. 3 , Part B, Section 11 1.G . Fina l authoriz ation cannot be granted until the operation or activity commences an d has been verified by the A PC D as conforming in all respects with the condi tions of the pe rmit. Once se lf-certification of all po i nts has been reviewed and approved by t he Division , it w ill provide writte n documentation of such fina l authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit . 17. This permit is issued i n reli ance upon the accuracy and completeness of i nformation supplied by the applicant and is con d itioned upon conduct of the activity , or const ruction , installation and operation of the source , in accordance wit h this information and with representations made by the applicant or applicant's agent s. It is valid only for the equipment and operations or activity specifically identified on the permit. 18. Unless specifically stated ot herwise , the general and specific conditions contained in this permit have been determined by the A PCD to be necessary to assure compliance wi th the provisions of Section 25-7-1 14.5(7)(a), C .R.S . 19. Each and every condition of this permit is a materia l part hereof and is not severable . Any challenge to or appea l of a condition hereof sh a ll constitute a rejection of the ent ire perm it and upon such occu rrence, th is permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certificati on and final authorization by the A ir Pollution Cont rol Divisi on (APCD) on grounds set f orth in the Colorado Air Qual ity Control Act and regulat ions of the Air Quality Con trol Commission (AQCC ), including failure to meet any express term or condition of the permit. If the Division d en ies a permit, con d it ions imposed upon a permit are contested by the applicant, or the Division revokes a permit , t he applicant or owner or operator of a source m ay request a hearing before the AQCC for review of the Division 's action . 20. Section 25-7-114 .7(2)(a ), C.R.S . re quires that all sources required to file an A ir Pollution Emission Notice (APEN) must pay an annual f ee to cover the costs of inspections and administration. If a source or activity is to be discontinued , the owner must notify the Division in writing requesting a cancellation of the permit. Upon not ification, annual fee billi ng w i ll term inate. 21 . Violation of t he terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative , civil or crimi nal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties ), -122 .1 (criminal penalties), C.R.S. 22 . This permit replaces the following permit, wh ich is cancel ed upon issuance of this permit A IRS ID : 045/1046/008 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Publ ic Health and Environment Air Pollution Control Division Permit No. AIRS ID I Notes 03P00738 777121921001 1 Engine-~M03 :. This equipment w i.11 now be covered under this stationary source permit. Carissa Money d Permit Engineer p "t H" t erm1 IS Ory Issuance Date Description Issuance 1 T his Issuance Canceled portable permit 03P00738 and issued as new stationary permit IA Modification Novem ber 28, Permit modified due to engi ne replacement with No. 1 for 2007 hi gher HP. O&M plan included due to control 03P00738 device and ability to locate at Syn . Minor sources. Final Approval November 15, Issued to EnCana Oi l & Gas for 03P00738 2005 Initial Approval October 29, Issued to EnCana Oil & Gas for 03P00738 2003. AIRS ID: 045/1046/008 Page 10 of 17 EnCan a Oil & Gas (USA) Inc. Permit No . 08GA 1194 Issuance 1 Notes to Permit Holder: Colorado Department of Public Health and Environment Air Pollution Control Division 1) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard . A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit rev ision. 2 ) This source is subject to the Common Provisions Regulation Part II , Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E.1 . of the Common Provis ions Regulation . See : http://www. cdphe. state .co. us/reg ulations/airregs/1001 02agcccommonprovisi onsreg. pdf. 3) T he following emissions of non-criteria reportable air po llutants are estimated based upon the process lim its as indicated in this perm it. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at t he permitted limitations . Unco ntrolled Emiss ion Are the Co nt rolled AIRS Rate emissi ons Emission Poi nt Pollutant CAS# BIN (lb/yr) r eportable? Rate (lb/yr) Formaldehyde 5000 A 5599 Yes 2800 A cetaldehyde 75070 A 760 Yes 380 Acro l e in 107028 A 467 Yes 234 008 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 7 1432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) T he emission levels contained in this permit are based on the following emission factors: Point 008: Emi ssion Factors -Uncontrolled Emission Factors -Controlled CAS Pollut ant lb/MM Btu g /bhp-hr Source lb/MM Btu g /bhp-hr Source NOx 0.3850 1.5000 Mfq 0.3850 1.5000 Mfq co 0.5673 2 .2100 Mfg 0.0397 0 .1547 Mfg voe 0 .1258 0.4900 Mfg 0.0629 0.2450 Mfg 5000 Formaldehyde 0.0616 0.2400 Mfq 0.0308 0.1200 Mfg AP-42; T able 75070 Acetaldehyde 0.0084 0 .0326 3.2-2 (7/2000); 0.0042 0.0163 Mfg Natural Gas AP-42 ; Table 107028 Acrolein 0 .0051 0 .0200 3.2-2 (7 /2000); 0.0026 0 .0100 Mfg Natural Gas 67561 Methanol 0.0025 0.0097 AP-42 ; Table 0.0013 0 .0049 Mfg 3.2-2 (7/2000); AIRS ID: 045/1046/008 Page 11of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1194 Issuance 1 Colorado Department of Public Health and En vironment Air Pollution Control Division Emission Factors -U ncontrolled Emissi on Factors -Controlled CAS Po lluta nt lb/MMBtu g/bhp-hr Sou rce lb/MMBtu I g/bhp-hr Natural Gas AP-42 ; Table 110543 n-Hexane 0 .0011 0.0043 3.2-2 (7/2000); 0 .0006 0 .0022 Natural Gas AP-42 ; T able 71432 Benzene 0.0004 0.0017 3.2-2 (7 /2000); 0 .0002 0 .0009 Natural Gas AP-42 ; T able 108883 Toluene 0 .0004 0 .0016 3.2-2 (7/2000); 0 .0002 0.0008 Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8,589 Btu/hp-hr, a site-rated horsepower value of 1,208, and a fuel heat value of 1,000 Btu/scf. 5) In accordance with C.R.S . 25-7-11 4.1 , the Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years. The five-year term for this APEN expires on November 9, 20 13. A revised APEN shall be submitted no later than 30 days befo re th e fiv e-year te rm expi res . 6) This facility is classified as follows: Applicable Status Requirement Operating Permit Major Source: NOx, HAPs Synthetic Minor Source: CO, VOC PSD Synthetic M inor Source: VOC MACT HH Synthetic M inor Source: Toluene , Total HAP MACT ZZZZ Major Source 7) Fu ll text of the T itle 40 , Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards o f Performance for New Statio nary So urces NSPS 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Appendixes Appendix A -Appendix I Part 63 : National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 S ubpart ZZZZ -Subpart MMMMM MACT 63.8980-End S ubpa rt NNN NN -Subpart XXXXXX A IRS ID: 045/1046/008 Page 12of 17 Source Mfg Mfg Mfg I EnCana Oil & G as (USA) Inc. Permit No . 08GA 1194 Issuance 1 Colorado Department of P ubli c Health a nd Environ ment Air Pollution Control Division A TTA CHMENT A: ALTERNATIVE OPERA TING SCENARIOS REC IPROCATING INTERNAL COMBUSTION ENGINES December 10, 20 08 The fo llowing A lternative Operating Scenario (AOS) fo r the temporary and permanent replacement of natural gas fired reciprocati ng intern al combustion eng ines h as been reviewed in accordance with the requirements of Regulation No. 3 ., Part A , Section IV.A , Operational Flexibility-Alternative Operating Scenarios, Regulation No. 3, Part B, Construction Permits , and Regulation No. 3, Part D, M ajor Stationary Source N ew Source Review and Prevention of Significant Deterio ration, and it has been found to meet all applicable substantive and procedural requirements. T his permit incorporates and shall be considered a Construction Per mit for any engi ne replacement perform ed in accordance with th is AOS, and the perm ittee shall be allowed to perform such engine replacement w ithout applying for a revision to thi s perm it or obtain ing a new Construction Perm it. A.1 Engine Replacement The fo llowin g AOS i s incorporated into this permit in o rder to dea l with a compressor engi ne breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days o r less in any 12 month period. "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period. The 90 day s is the total n umber of days that the engine is in operation. If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. T h e compliance demonstrations and an y periodic monitoring required by this AOS are in add ition to any compliance demonstrations or periodic monitoring required by this permit. A ll replacement engines are subjec t to all federally applicabl e and state-on ly requirements set forth in this permit (including monitoring and record keeping ). The resu lts of all tests and the associated ca lculations required by this AOS shall be submitted to the Division within 30 cal endar days of the test or within 60 days of the test if such testing is required to demonstrate compliance with NSPS or MACT requ irements. Results of all tests shall be kept on site for five (5) years and made av ailable to the Divi sion upon request. The permittee shall maintain a log on-site and contemporan eously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial n umber of the engine(s) that are repl aced during th e term of this permit , and the manufacturer, model n umber, horsepower, and serial number of the rep lacement engine. In addition to the log, the permittee shall maintain a copy of all Applicability Reports required under section A.1 .2 and make them available to t he D ivis ion upo n request A.1 .1 T he permittee may temporarily replace an existing compressor engine that i s subj ect to the emission limits set forth in this permit w ith an engine that is of the same m anufacturer, model , and horsepower or a different manufacturer, model , or horsepower as the existing engine without modifying this permit, so long as the em issions from the temporary replacement engine compl y with the emissi on limitations for the existing permitted eng ine as determined in section A.2 . Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2. A.1.2 The permittee may permanently replace the existing compressor eng ine with an engine that is of the same manufacturer, model and horsepower w ithout modifying thi s permit so long as the emissi ons from the p ermanent replacement engine comply w ith 1} the permitted annual emission limitat ions for the AIRS ID: 045/1046/008 P age 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing eng ine, 2) an y permitted short-term emission limitations for the existing perm itted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www cdphe state.co.us/ap/o ilgasperm itting .html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2 .2. An Air Pollutant Emissions Notice (APEN ) that includes the specific manufacturer, model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee , a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the re levant Applicability Reports for the replacement engine . Example Applicability Reports can be found in at http://www.cdphe .state.co .u s/ap/oilgaspermitting.html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true , accurate and c omplete". This AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Divis ion in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requ irements . In those instances, please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time period (i.e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition , if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine using a portable flue gas analyzer within seven (7) calendar days of commenc ing operation of the replacement engine. A ll portable ana lyzer testing required by th is permit shall be conducted using the Division's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at http://www.cdphe .state .co. us/ap/down/portanalyzeproto. pdf Results of the portable analyzer tests shall be used to monitor the comphance status of th is unit. For comparison with an annual (tons/year) or short term (lbs/unit of time) emission limit , the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to mon itor compliance. If a source is not limited in its hOurs of operation the test resul ts w ill be multipl ied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/008 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado D epartment of Public H e a lth and Environ ment Air Poll ution Control Division For comparison with a short-term limit that is either input based (lb/mmBtu), output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine Will be subject to, the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitations, in the absence of cred ib le evidence to the contrary , the source may certify that the engi ne is in compliance with both the NOX and CO emission limitations for the relevant t ime period. Subject to the provisions of C .R.S. 25-7-123.1 and in the absence of credible evidence to the contrary, if the portable ana lyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine w ill be conside red to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A .3 Applicable Regu lations for Permanent Engine Replacements A.3.1 Reasonably Availab le Control Technology (RACT): Reg 3 , Part B § 11.D .2 All permanent replacement engines that are located in an area t hat is classified as attainment/maintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainment/maintenance or nonattainment. Note that both VOC and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainment/maintenance or nonattainment, except as follows: In the Denver Metropolitan PM10 attainment/maintenance area, RACT applies to PM10 at any level of emi ssions and to N OX and S02, as p recursors to PM 10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM10: The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ T he emission limitations in NS PS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331 ) and 40 CFR Part 72 (§ 72.2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Emission Standards: Regulation No. 7, Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located w ith in the boundaries of an ozone nonattainment area is subject to the applicable control requirements specified in Regulation No. 7, section XVI, as specified below: Rich burn engines w ith a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission. AI R S ID: 045/1046/008 P age 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions . The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submi t copies of the relevant Applicability Reports required under Condition A.1 .2 . Emission Standards: Section XVll.E -State-only requirements Any permanent engine that i s either constructed or relocated to the state of Colorado from another state, after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent w ith technological l imitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below: I M ax E n g ine C ons truction or E mission Standards in G/hp-hr HP Relocation Date NOx co voe IOO<Hp <500 January 1, 2008 2.0 4.0 1.0 January 1, 2011 1.0 2.0 0.7 500,:SHp Jul y 1, 2007 2 .0 4 .0 1.0 July 1, 2 010 1.0 2 .0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 A.3.3 NSPS for spark ign ition internal combustion engines: 40 CFR 60, Subpart J J JJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 711/2008 for engines less tha n 500 hp, 7/112007 for e ngines g reater than or equal to 500 hp except for lean burn engines g reater tha n or e qua l to 500 h p and less than 1,350 hp, and 1/1/2008 for lean burn e ngines g reater than or equ a l to 50 0 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An a nalysis of app licab le monitoring , record keep ing , and reporting requi rements for the pe rmanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2 . A ny testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing requ ired by this AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. Note that under the provisions of Regulation No. 6 . Part 8 , section 1.8 . that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subj ect to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to t he m anufacture date for purposes o f determining the applicability of NSPS J J J J requirements}. However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulaliofl No. 6, Part 8 , § 1.8 (wl1ic/1 is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. A IRS ID: 045/104 6/008 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1194 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating internal combustion engine (R ICE) MACT: 40 CFR Part 63, Subpart ZZZZ A.3.4.1 Area Source for HAPs A permanent replacement engine located at an area source that commenced construction or reconstruction after June 12, 2006 as defined in § 63.2 , will meet the requirements of 40 CFR Part 63, Subpart -ZZ.ZZ by meeting the requirements of 40 CFR Part 60, Subpart JJJJ . An analysis of the applicable monitoring, recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1.2. Any testing required by the MACT is in addition to that required by this AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. A.4.3.2 Major source for HAPs A permanent replacement engine that is located at major source is subject to the requirements in 40 CFR Part 63 Subpart ZZZZ as follows : Existing, new or reconstructed spark ignition 4 stroke rich burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements in 40 CFR Part 63 Subpart -ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 2 stroke lean burn or 4 stroke rich burn engines with a site rating of 500 hp or less will meet the requirements of 40 CFR 63, Subpart -ZZ.ZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of less than 250 hp will meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitoring, recordkeeping , and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1.2. Any testing required by the MACT is in addition to that required by this AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. A.3.5 Additional Sources The replacement of an existing engine with a new engine is viewed by the Division as the installation of a new emissions unit, not "routine replacement" of an existing unil The AOS is therefore essentially an advanced construction permit review. The AOS cannot be used for additional new emission points for any site ; an engine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating permitting process prior to installation. AIRS ID: 045/1046/008 Page 17 of 17 STATE OF COLORADO C OLORADO DEPARTMENT OF PUBLIC HEAL TH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHON E: (303) 692-3 150 CONSTRUCTION PERMIT PERMIT NO: DATE ISSUED: IS SUED TO : 08GA1195 JUL 3 1 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas compression facility , known as the High Mesa Compressor Station , located in S ENW Section 36, T ownship 7S , Range 96W, in Garfield County, Colorado. THE SPECIFIC EQUI PMENT OR ACTIVITY SUBJ ECT TO T HIS PE R MIT INCLUDES THE FOLLOWING: Fac ility AIRS Equipment Point Description ID One (1 ) Ca terpillar, Model G3516L E, Serial NumberWPW00189, natural gas-fired , turbo-ch arged , 4S LB reciprocating internal HM07 009 combustion engine , site rated at 1,208 horsepower at 1,400 RPM . This eng ine shall be equ ipped with an ox idation catalyst and air- f uel ratio control. This emission unit is used for natural gas compression . This engine may be replaced w ith another engine in accordance wit h the temporary engine replacement provision or with another Caterpill ar G35 16LE engine in accordance with the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this permit as Attachment A. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUT ION PREVENTION AND CONTROL ACT C.R.$. (25-7-101 et s eq ), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. T his construction permit represents final permit approval and authority to operate this emissions source (Regulation 3 , Part B, Section 11 1.G .5). A l RS ID: 045/1046/009 Page 1 of 17 NGEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LIMITATIONS AND RECORDS 2. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference : Regulation No. 3, Part 8 , Section 11.A.4) M t hl L . ls on IY 1m 1 I Pou nd s per Mo nth Faci l ity AIRS Eq u ip ment ID Point NOx voe co Emission T y p e HMOi I 009 2972 486 306 Point Monthly limits are based on a 31-day month. Annual Limits: I Tons per Year Faci lit y AIRS Equipment ID Point NOx voe co Emiss ion T ype HM07 009 17.5 2.9 1.8 Point See "Notes to Pemut Holder #4 for information on em1ss1on factors and methods used to calculate limits. During the first twelve (12) months of operation , compliance with both the monthly and yearly emission limitations shall be required. After the first twelve (12) months of operation, com p liance with only the yearly limitation shall be required . Compliance with the synthetic minor status of this facility shall be determined by recording the facility's annual criteria pollutant emissions, from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site, or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all emission units, requiring an APEN , at this faci lity. 3. This engine shall be equipped with an oxidation catalyst and air-fu el ratio control The selective oxidation catalyst shall be capable of reducing uncontrolled emissions of VOC and CO from the unit to the emission levels listed in Condition 2 , above. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3, Part B , Section 111.E.) PROCESS LI MITATIONS AND RECORDS 4. This source shall be limited to the following maximum consumption , processing and/or operational rates as listed below. Monthly records of the actual consumption r ate shall be maintained by the applicant and made available to the Division for inspection upon request. (Referen ce: Regulation 3, Part B, 11.A.4) P JC f L . ·ts rocess ons ump ion 1m1 I Faci.lity I AI R S I Annual Monthly Equipment p . t Process Parameter Limit Limit (31 ID 0 1n d a ys) HMO? 009 Consumption of natural gas as a 90.9 7 .72 fuel MMscf/yr M Mscf/month AIRS ID : 045/1046/009 Page 2 of 17 I I I EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of P ublic Health and Envir onment Air Pollution Control Division During the first twelve (12) months of oper at ion, compliance with both the monthly and yearly consumption limitations shall be required. After the first twelve ( 12) months of op eration , compl iance with only the yearly limitation shall be required. Compliance with the yearly consumption limit s shall be determined on a rolling twelve (12) month total. B y the end o f each month a new twelve-month total is calculate d based on the previous twelve months' data. T he permit holder shall calcul ate mont hly consumption of natural gas and keep a compliance recor d on site o r at a local field office with s ite responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 5. Visi ble emissions shall not exceed twenty percent (20%) opacit y during normal operation of the source. During periods of startup, process modification, or adjustment of control equip ment visible emissions shall not exceed 30% opacity for more than six min utes in any sixty conse cutive minutes. (Ref e re nce: R egulation No . 1, Section 11.A.1. & 4 .) 6. T his source is subject to the odor requirements of Regulation No . 2. (State only enforceable) 7. The permit number and AI RS ID number sha ll be marked on the subject equipment for ease of identification. (Reference: Regulation N umber 3 , P a rt B, 111.E.) (Sta te o nly enforceable) 8. T his source is subj ect t o the requirem e nts of: • Regulation No. 8, Part E , Subpart 111.FFFF: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Part E, Subpart I.A , National Emissi on Standards for Hazardous A ir Pollutants for Source Categories: General Provisions, 40 CFR Part 63 including, but not limited to, the following : • Emission and Operating Limitations o 63.6600(b) -If you own or operat e a new or reconstructed 4SLB stationary R ICE with a site rating of more than 500 brake HP located at major sou rce of HAP emissions you must comply with the following emission limitations (Table 2a, Subpart ZZ:ZZ to Part 63): • reduce CO emissions by 93 percent or more; or • limit concentration of formaldehyde in the st ationary RICE exhau st to 14 ppmvd or less at 15 percent 02. AIRS ID: 045/1046/009 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart ZZZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 ° F. • General C om pl iance Requ irements o §63.6605(a) -You must be in compliance with the emission limitations and operating limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63 .66 05(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE , including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times, including during startup, shutdown, and malfunction. • Testi ng a nd Initial Compliance Requirements o §63.6610(a) -You must conduct the initial performance test or other initial compliance demonstrations in Table 4 to Subpart ZZZZ of Part 63 that apply to you within 180 days after the compliance date that is specified for your stationary RICE in §63.6595 and according t o the provisions in §63. 7(a)(2). o §63.661 5 -If you must comply with the emission limitations and operating limitations, you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecutive tests , you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limitation , or you deviate from any of your operating limitations, you must resume semiannual performance tests . o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZZZZ of Part 63 that apply to you . o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/009 Page 4 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1195 Issuance 1 Colorado Department of P ublic H ealth and Environment Air Po ll ution Control Division o §63 .6630(a) -You must demonstrate initial compliance with each emission and operating lim itation that applies to you according to Table 5 of Subpart Z2ZZ to Part 63. o §63 .6630(b) -During the initial performance test, you must establish each operating limitation in T ables 1 b and 2b of Subpart Z ZZZ to Part 63 that applies to you . o §63.6630(c) -You must submit the Notification of Compliance Stat us containing the results of the initial compl ia nce demonstration accordi ng to the requirements in §63.6645. • Continuous Compliance Requirements o §63.6635(b) -Except for monitor malfunctions , associated repairs , and requ ired quality assurance or control activit ies (includ ing , as applicable, calibrat ion checks and requi red zero and span adjustme nts), you must monitor continuously at all times t hat the stationary RICE is oper ating. o §63.6635(c) -You ma y not use data recorded during monitoring malfunctions, a ssociated repairs, a nd required qualit y assurance or control activities in data averages and calculations used to report em ission or operating levels . You must, however, use all the valid data collected during all other periods. o §63 .6640(a) -You must demonstrate continuous compliance with each emission l imitation and operat ing limitat ion in T ables 1a and 1b a nd T ables 2a an d 2b of subpart ZZZZ of Part 63 that apply to you according t o methods specified in Table 6 of Subpart ZZZZ of P art 63. o §63.6640(b) -You must report each instan ce in wh ich you did not meet each emission limit a tion or operating limitation in Tables 1 a and 1 b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . These instances are deviations from the emission and operating limitations in this subp art. These deviat ions must be reported according to the req uirements in §63.6650. If you ch ange your catalyst , you m ust reestablish the values of the operating parameters measu re d d uring the initial performance test. W hen you reestablish the values of your operating parameters, you m ust also conduct a performance test to demonst rate that you are meeting the required emission li mitation appli cable to your stationary RICE. o §63 .6640(d) -Consistent w ith §§63.6(e) and 63.7(e)(1), deviations from the em ission or operating limitations that occur during a period of startup, shutdown, or malf unction ar e not violat ions if you demonstrate to the Administrator's satisfaction that you were operating in accordance with §63.6(e}(1). For new, reconstructed , and rebuilt stationary RICE, deviations from the emission or operating limitations that occur during the first 200 hou rs of operation from engine startup (en gine burn-in period) are not violations. A IRS I D: 0 45/1046/009 Page 5 of 17 EnCana Oil & Gas {USA) Inc. Permit No. 08GA1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division 0 §63.6640(e) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart ZZ.ZZ. to Part 63 that apply to you. • Notifications, Re ports and Records o §63.6645(a) -If you own or operate a stationary R ICE with a site ra ting of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.7{b) and (c), 63.8{e}, {f)(4 ) and {f){6), 63.9(b) through {e}, and (g) and (h} that apply to you by the dates specified. o §63 .6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(9) ·If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63. 7(b)(1 ). o §63 .6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart ZZZZ to Part 63, you must submit a Notification of Compliance Status according to §63.9{h)(2)(i i). • §63.6645(h)(2) -For each initial compliance demonstration required in Table 5 of Subpart ll2.Z to Part 63 that includes a performance test condu cted according to the requirements in T a ble 3 to this subpart, you must subm it the Not ification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63.1 O(d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZ.ZZ. to Part 63 that applies to you. o §6 3.6650(b ) -You must submit each report by the date in Table 7 of Subpart ll2.Z to Part 63 and according to the requirements in paragraphs (b)(1) through (5) of §63.6650. o §63.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63.6650(e ) -For each deviation from an emission or operating limitation occurring for a stationary R IC E where you are using a CMS to comply with the emission and operating limitations in Subpart ZZZZ to Part 63, you must include information i n paragraphs {c)(1) through (4) and (e)(1 ) through (12) of §63.6650. AIRS ID: 045/1046/009 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Perm it No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Envi ronment Air Pollution Control Di vision o §63.6655(a) -If you must comply w ith the emiss ion and operating limitations, you must keep the records described in §63.6655(a)(1) through (a)(3), §63.6655 (b)(1) through (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records required in Table 6 of Subpart ZZZ.Z of Part 63 to show continuous compliance with each emission or operat ing lim itation that applies to you . o §63.6660(a) -Your records must be in a form suitable and readily available for expeditious review according to §63 .1 O(b )(1 ). o §63.6660(b) -As specified in §63.10(b){1), you must keep each record for 5 years following the date of each occurre n ce, measurement, maintenance, corrective action , report, or record . o §63 .6660(c) -You must keep each record readily accessible in hard copy o r electronic form on-site for at least 2 years after the date of each occurrence, measure ment , ma intenance, corrective action , report, or record, according to §63.1 O(b)(1 ). You can keep the records off-site for the remaining 3 year s. • Other Requirements and Information o §63.6665 -Table 8 to this subpart shows wh ich parts of the General Provisions in §§63.1 through 63.15 a pply to you. OPERA TING & MAINTENANCE REQUIREMENTS 9 . Upon st artup of this point , the applicant shall follow the operating and maintenance (O&M) plan and record keeping format approved by the Division , in order to demonstrate com pliance on an ongoing basis with the requirements of this permit. Revisions to your O&M pl an are subj ect t o Division approval prior to i mplementation . (Ref erence: Regulation No. 3, Part B, Section 111.G .7.) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. T his engine is subject to the p eriodic testing requirements of 40 C .F.R Part 63, Subpart ZZZZ. 11 . T his engine is subject to the periodic testing requireme nts as specified in the operating and mai ntenance (O&M) plan as approved by the Division. Revisio ns to your O&M plan are subj ect to Division approval. Replacements of this unit completed as Alternative Operati ng Scenarios may be subject to additional testing requirements as specified in Attachment A. AIRS ID : 0 45/1046/009 Page 7 of 1 7 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 12 . A revised Air Pollutant Emission Notice (APEN) shall be filed : (Reference: Regulation No. 3 , Part A , 11.C) a . Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b . Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment 1s installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires. f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an altemative~operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14 . Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as tho ugh construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No . 3 Part D , Vl.B.4) GENERAL TERMS AND CONDITIONS : 15. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/009 Page 8 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA1195 Issuance 1 Colorado D epartment of Publi c Health and Environment Air Pollution Control Division AQCC Regulation No. 3, Part 8 , Section 11.8 upon a request for transfer of ownership and the submittal of a revised AP EN and the requ ired fee . 16 . Issua nce of a construction permit does not provide "final" authority for this activity or operation of t his source . Final authorization of the permit must be secu red f rom the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R.S . and AQCC Regulation No. 3, Part 8 , Section 111.G . Final authorizat ion cannot be granted until the operation or activity commences and has been verified by the A PC D as conforming in all respects with the conditions of the permit. Once self-certification of all poin ts has been reviewed and approved by the Division , it will provide written documentation of such final authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 17. This perm it is issued in reliance upo n the accuracy and completeness of inform ation supplied by the a pplicant and is conditioned upon conduct of the activity, or construction, insta ll ation and operation of the source , in accordance with this information and with re p resentations made by the a pplicant or applicant's agents. It is valid only for the equipment and operations or activity specifica lly identified on the permit. 18. Unless specifically stated otherwise, the general and specific condit ions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.S(?)(a), C .R.S . 19 . Each an d every condition of t his pe rmit is a material part hereof and is not severable . Any challenge to or appeal of a condition hereof shall constit ute a rejection of the ent ire permit and upon such occurrence , this perm it sh all be deemed denied ab initio. T his permit may be revoked at any time prior to self-certification and final aut horization by the Air Pollution Control D ivision (APC D) on grounds set forth in the Colorado Air Quality Control Act and regu lations of the Air Q uality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If t he Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit , the applicant or owner or operator of a source may request a hearing before t he AQCC for review of the Division's action . 20 . Section 25-7-1 14.7(2)(a), C.R.S . requires that all sou rces required to file an Air Pollu tion Emission Not ice (APEN) must pay an annual fee to cove r the costs of inspections and administration . If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate . 21 . Viol ation of the terms of a permit or of the provisions of the Colorado Ai r Poll ution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25 -7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. 22 . This permit replaces the following permit , which is canceled upon issuance of this permit: A IRS ID: 045/1046/009 Page 9of17 EnCana Oil & Gas (USA) I nc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment A ir Pollution Control Division Permit No. AIRSID Notes 03P00929 77712213/001 Engine-HMO?: This equipment will now be covered under this stationary source permit. By: , ., .1ltm1 I Carissa Money {] Permit E ngineer p . H" erm1t 1story Issuance Date Description Issuance 1 This Issua nce Canceled portable p ermit 0 3 P00929 and issued as new stationary perm it Final Approva l M arch 7 , 2007 Issued to EnCa na Oil & Gas for 03P00929 Initi a l Approval F ebruary 3 , Issued to EnCana O il & Gas for 03P00929 2004 AIRS ID: 045/1046/009 Page 10 of 17 En Cana Oil & Gas (USA) Inc. Permit N o. 08GA1 195 Issu ance 1 Notes to Permit Holder: Colorado Department o f Public Health and Environment Air Pollution Control Division 1) The production or raw material processing li mits and emission limits contained in this permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard . A revised a ir pollution emission notice (APEN) and application form must be submitted with a request for a permit revision . 2) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Divi sion of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible , but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E.1. of the Common Provisions Regulation . See: http ://www. cd phe. state.co. us/reg u lati ons/airregs/100102aqcccommonprovisionsreg . pdf. 3) The foll owing emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this pe rmit. This information is listed to inform the operator of the Division 's analysis of the specific compounds emitted if the source(s) operate at the permitted limitat ions. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Point Pollutant CAS# BIN (lb/yr) reportable? Rate (lb/yr) Formaldehyde 5000 A 5599 Yes 2800 Acetaldehyde 75070 A 760 Yes 380 Ac role in 107028 A 467 Yes 234 009 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 71432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) T he emiss ion levels contained in this permit are based on the following emission factors : Point 009: Emission Factors -Uncontrolled Emission Factors -Controlled CAS Pollutant lb/MM Btu g/bhp-hr Source lb/MMBtu g /bhp-hr Source NOx 0.3850 1.5000 Mfg 0 .3850 1.5000 Mfg co 0.5673 2.2100 Mfg 0 .0397 0 .1547 Mfg voe 0 .1258 0.4900 Mfg 0 .0629 0 .2450 Mfg 5000 Formaldehyde 0.0616 0.2400 Mfq 0.0308 0 .1200 Mfg AP-42 ; T able 75070 Aceta ldehyde 0 .0084 0 .0326 3.2-2 (7 /2000); 0.0042 0 .0163 Mfg Natural Gas AP-42 ; Table 107028 Acrolein 0.0051 0.0200 3.2-2 (7/2000); 0.0026 0 .0100 Mfg Natural Gas 67561 Methanol 0 .0025 0 .0097 AP-42; T able 0 .0013 0 .0049 Mfg 3.2-2 (7/2000); AIRS ID: 045/1046/009 Page 11of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Emission Factors -Unc ontrolled Emission Factors -C o ntrolled CAS Po llu t ant lb/MM Btu g /bhp-hr Source lb/MM Btu g/bhp-hr Natural Gas AP-42; Table 110543 n-Hexane 0.0011 0.0043 3 .2-2 (7/2000); 0 .0006 0.0022 Natural Gas AP-42; Table 71432 Benzene 0.0004 0.0017 3 .2-2 (7/2000); 0 .0002 0 .0009 Natural Gas AP-42; Table 108883 Toluene 0.0004 0.0016 3.2-2 (7/2000); 0 .0002 0 .0008 Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8 ,589 Btu/hp-hr, a site-rated horsepower value of 1,208, and a fuel heat va lue of 1,000 Btu/scf. 5) In accordance with C.R S . 25-7-114.1, the Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years. The five-year term for th is APEN expires on Novem ber 9, 20 13. A revised APEN shall be submitted no later than 30 days before the five-year term e xpires. 6 ) This facility is c lassified as follows: Applicable Statu s Requirement Operating Permit Major Source: NOx. HAPs Synthetic Minor Source: CO, VOC PSD Synthetic Minor Source: VOC MACT HH Synthetic Minor Source: Toluene, Total HAP MACT 2ZZZ Major Source 7) Full text of the Title 40 , Protection of Environment Electronic Code of Federa l Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60 : Standards o f Performance for New Stationary Sources NSPS 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Appendixes Appendix A-Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for S o urc e Categor ies MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNNNN -Subpart XXXXXX AIRS ID: 045/1046/009 Pa ge 12 of 17 Source Mfg Mfg Mfg EnCana Oil & Gas (U SA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of P ublic Health and Environment Air Po ll ution Control Division ATTACHMENT A : ALTERNATIVE OPERA TING SCENARIOS RECIPROCATING INT ERNAL C OMBUSTION E NGINES December 10, 2008 The following A lternati ve Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance with the requirements of Regulation No. 3., Part A, Section IV.A , Operational Flexibility-Alternative Operating Scenarios, Regulation No . 3, Part 8 , Construction Permits, and Regulation No. 3 , Part D, Major Stationary Source New Source Review and Prevention of Significant Deterioration, and it has been found to meet all applicable substantive and procedural requirements. T his permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS , and the permittee shall be allowed to perform such engine replacement without applying for a rev ision to this permit or obtain ing a new Construction Permit. A.1 Eng ine Replacement The following AOS is incorporated into this permit in order to deal with a compressor engine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days or less in any 12 month period . "Permanenr is defined as in the same service for more than 90 operating days in any 12 month period . The 90 days is the total number of days that the engine is in operation . If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring required by this AOS are in addition to any compliance demonstrations or periodic monitoring required by this permit. All replacement engines are subject to all federally applicable and state-only requirements set forth in th is permit (includ ing monitoring and record keeping). The results of all tests and the associated calculations required by this AOS shall be submitted to the Division within 30 ca lendar days of the test or within 60 days of the test if such testing is requ ired to demonst rate compliance with NSP S or MACT requirements. Results of all tests shall be kept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this permit, and the manufacturer, model number, horsepower, and serial number of the replacement engine. In addition to the log, the permittee shall maintain a copy of all Applicability Reports required under section A.1 .2 and make them available to the Division upon request. A.1 .1 The permittee may t emporarily replace an existing compressor engine that is subject to the emission limits set forth in this permit with an eng ine that is of the same manufacturer, model, and horsepower or a different manufacturer, model , or horsepower as the existing engine without modifying this permit, so long as the emissions from the temporary replacement engine comply with the emission limitations for the exi sting permitted engine as determined in section A.2. Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2. A.1 .2 The permittee may permanently replace the existing compressor engine with an eng ine that is of the same manufacturer, model and horsepower without modifying this permit so long as t he emissions from the permanent replacement engine comply with 1) the permitted annual emission limitati ons for the A IRS ID : 045/1046/009 Page 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine, 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www.cdphe.state co us/ap/oilgaspermitting html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2.2. An Air Pollutant Emissions Notice (APEN ) that includes the specific manufacturer. model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine . The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the relevant Applicability Reports for the replacement engine. Example Applicability Reports can be found in at http://www.cdohe.state.co.us/ap/oilgaspermitting html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true , accurate and complete". This AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the period ic testing requirements specified by the permit for the relevant time period (i.e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition, if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine using a portable flue gas analyzer within seven (7) calendar days of commencing operation of the replacement engine. All portable analyzer testing required by this permit shall be conducted using the Division's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at: http://www.cdphe.state.co.us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison with an annual (tons/year) or short term (lbs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to monitor compliance. If a source is not limited in Its hours of operation the test results will be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/009 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mmBtu). output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to , the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Mon itoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitations, in the absence of credible evidence to the contrary, the source may certify that the engine i s in compliance with both the NOX and CO emission limitations fo r the relevant time period . Subject to the provis ions of C .R.S . 25-7-123 .1 and in the absence of credible evidence to the contrary, if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A.3 Applicable Regulations for Permanent Engine Replacements A.3.1 Reasonably Available Control Technology (RACT): Reg 3, Part B § 11.D.2 A ll permanent replacement engines that are located in an area that is classified as attainmenUmaintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainmenUmaintenance or nonattainment. Note that both voe and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainmenUmaintenance or nonatta inment, except as follows: In the Denv er Metropolitan PM1 O attainmenUmaintenance area, RACT applies to PM10 at any level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM10 : The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331) and 40 CFR Part 72 (§ 72 .2 ), natural gas contains 20. 0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Emission Standards: Regulation No. 7, Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area i s subject to the applicable control requirements specified in Regulation No. 7, section XVI , as specified below: Rich burn engines with a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission. AIRS ID: 045/1046/009 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 . Emission Standards: Section XVII. E -State-only requirements Any permanent engine that is either constructed or relocated to the state of Colorado from another state, after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below: I Max Engine Construction or Emission Standards in G/hp-hr HP Relocation Date --- NOx co voe IOO<Hp<SOO January l, 2008 2.0 4.0 1.0 January L 2011 1.0 2.0 0.7 500.::SHp July 1, 2007 2.0 4.0 1.0 July 1, 2010 1.0 2 .0 0.7 The source shall submit copies of the relevant Applicabiltty Reports required under Condition A.1 .2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp, 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1 ,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, record keeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1.2. Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division , provided that such test is conducted within the time frame specified in Condition A.2 Note that under the provisions of Regulation No. 6. Part B , section 1.8. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B, § J.B (which is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. AIRS ID: 045/1046/009 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Perm it No. 08GA 1195 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating interna l combustion engine (RICE) MACT: 40 CFR Part 6 3 , Subpart ZZZ.Z A.3.4 .1 Area So urce for HAPs A perm anent replacement engine located at an area source that commenced construction or reconstruction after June 12, 2006 as defined in§ 63 .2, will meet the requirements of 40 CFR Part 63, S ubpart ZZZZ by meeting the requ irements of 40 CFR Part 60, Subpart JJJJ. An an alysis of the applicable monitoring , recordkeeping , a nd reporting req uirements for the permanent engine replacement shall be included in the Applicability Reports requ ired under Cond ition A.1.2 . A n y testing required by the MACT is in addit ion to that required by this AOS. Note that t he initial test required by the MACT can serve as the testing required by th is AOS under Cond it ion A.2 , if approved i n advance by the Division, provided that such test is conducted withi n the time frame specified in Condition A.2 . A.4.3.2 Maj or source for HAPs A permanent replacement engine that is located at maj or source is subject to the requirements in 40 CFR Part 63 Subpart ZZZZ as follows: Exi sting , new or reconstructed spark ign ition 4 stroke rich burn eng ines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines with a site rating of more than 500 hp are subj ect to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12106) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements in 40 CFR Part 63 Subpart ZZZ.Z . New or reconstructed (construction or reconstruction commenced after 6/12/06 ) 2 stroke lean burn or 4 stroke rich burn engines w ith a site rating of 500 hp or less will meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requ irements of 40 CFR 60, Subpart JJJJ . New o r reconstructed (construction o r reconstruction commenced after 6/12106) 4 stroke lean burn engines with a site rating of less than 250 hp w ill meet the requirement s of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitori ng, recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Appl icabil ity Reports required under Condition A .1 .2 . Any testing required by the MACT is in addit ion to that required by this AOS. Note that the in it ial test required by the MACT can serve as the testing requ ired by th is AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted w ithin the time frame specified i n Condition A2. A.3.5 Addition al Sources The replacement of an exi sting engine w ith a new eng ine is viewed by the Division as the installation of a new emissions unit, not "routine replacement" of an existing un it. The AOS is therefore essentially an advanced const ruction permit review. The AOS cannot be used for additional new emission points fo r any s ite ; an eng ine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate C onstruction/Operating perm itting process prior to installation . AIRS ID: 045/1046/009 Page 17 of 17 STATE OF COLORl\00 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO : DATE ISSUED: ISSUED TO: 08GA1196 -.IUL 3 1 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO W HICH THIS PERMIT APPLIES IS DESCRIBED A ND LOCA TED AS FO LLOWS: Natural gas compression facility, known as the High Mesa Compressor Station , located in SENW Section 36, T ownship 7S , Range 96W, in Garfield County , Colorado. THE S PECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INC L UDES THE FOLLOWING: Facility AIRS Equipment Point Description ID One (1 ) Caterpillar, Model G3516LE, Serial Number 4 E K05031 , natu ral gas-fired, turbo-charged , 4S LB reciprocating internal HM04 010 combustion eng ine, site rated at 1,208 horsepower at 1,400 RPM . This engine shall be equipped with an ox idation catalyst and air- fuel ratio cont rol. This emission unit is used for natural gas compression . This engine may be replaced w ith another engine in accordance with the temporary engine replacement provision or with another C aterpillar G 35 l 6LE eng ine in accordance w ith the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this permit as Attachment A. THIS PERMIT IS GRANT ED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE C OLORADO AIR POLLUTION PREVENTION AND CONTROL A C T C.R.S . (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THI S DOCUMENT AND THE FOLLOWING SPEC IFI C TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. This construction permit represents final permit approval and authority to operate this emissions source (Regulation 3 , Part B , Section 11 1.G .5). AI RS ID: 045/1046/010 Page 1 of 17 NGEngine Version 2008-1 En Cana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 C olora do De partme nt of Public Health and Environment Air Poll ution Control D ivision EMISSION LIMITATIONS AND RECORDS 2. Emissions of air pollutants shall not exceed the followi ng limitat ions (as calculated in t he Division's prelimin ary analysis). (Reference : Regu lation No. 3 , Part 8 , Section 11.A.4 ) M onthly Limit s : Fac i lity I AI RS Pound s pe r Month Equipment ID I Poi nt NOx vo e co Emission Type HM04 I 010 2972 486 306 Point Monthly lim its are b as ed o n a 31 -day month . Annual Limi ts: Faci l ity AIRS Tons per Year Equipment ID Point NOx voe 1 co Emission Type HMO-' 0 10 17.5 29 I 1.8 Point Se e "Notes to Permit Holder #4 for mformat1on on em1ss1on factors and methods used to c alculate limits. During the first twe lve (12) months of operat ion, compliance with bot h the monthly and yearly emission limitations shall be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be requi red . Compliance with the synthetic minor status of this facil it y shall be determined by recording the facility's annual c riteria poll utant emissions, from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month t otal is c alculated based on the previous twelve month s ' data. The permit holder shall calculate monthly emissions and keep a compl iance record on site , or at a loc al field office with site respons ib ility , for Division review. This rolling twelve-month total shall apply t o all emission units, requiring an APEN , at this faci lity. 3. This eng ine shall be equipped with an o xidation catalyst and air-fue l ratio control. The selective o xi dation catalyst shall be c apable of reducing uncontrolled emissions of VOC and CO from the unit to the emission lev els listed in Condition 2 , above. O per ati ng par ameters o f the control equipment ar e ident ified in the operation a nd maintenance p lan. (Reference : Regulation No.3 , Part B , Section 11 1.E .) PROCESS LIMITATIONS AND RECORDS 4. This sou rce sha ll be limited to t he following m a xi mum consumpti on , processing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference : Regulation 3, Part B , 11.A.4) P IC f L " "ts r ocess onsump ion 1m1 Faci lity I AIRS I A nnu a l M o nthly Equipment p . t Proces s Parame t er Limit Limit (31 ID 0 1n davs) HM04 010 Consumption of natural gas as a 9 0.9 7.72 fuel MMscf/vr MMscf/month AIRS ID: 045/1 0 46/010 Page 2 of 17 I I I EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environ ment A ir P ollution Control Division During the first twelv e (12) months of operation, compliance with both the monthly and year ly consumption limitations shall be required . After the first twelve (12) months of operation, compliance w ith only the yearly limitation shall be required . Compliance with the yearly consumption limits shall be determined on a rolling twelve ( 12) month tot al. By t he end of each month a new twelve-month total is calculated based on the previou s twelve months' data. T he permit holder shall calculat e monthly consumption of n atural gas and keep a compliance record on site or at a local field office w ith s ite responsibil ity, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 5. V isible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Reference: Regula tion No . 1, Section II.A 1. & 4 .) 6. T h is sour ce is subject to the odor requi rements of Regulation No . 2. (State only enforceable) 7. T he permit number and AIRS ID number shall be marked on the subject equipment for ease of identification. (Refere nce: Regulation Number 3 , P art B, 11 1.E.) (St at e only enforceable ) 8 . T his sou rce is subject to the requirement s of: • Regulation No. 8, Parl E , Subparl 111.FFFF: Nati onal Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C. F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Parl E, Subparl I.A , National Emissi on Standards for Hazardous A i r Pollutants for Source Categories: General Provisions, 40 CFR Parl 63 includ ing, but not limited to, the following: • Emission a n d Operating Limitations o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary R IC E with a site rating of more than 500 brake H P located at major source of HAP emissions you must comply with the following emission limit ations (Table 2a, Subpart ZUZ to Part 63): • reduce CO emissions by 93 percent or more; or • limit concentration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. AIRS ID: 045/1046/010 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart ZZZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • General Compliance Requirements o §63.6605(a) ·You must be in compliance with the emission limitations and operating limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63.6605(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE, including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times, including during sta rtup , shutdown, and malfunction. • Testing and Initial Compliance Requirements o §63.6610(a) -You must conduct the initial performance test or other initial compliance demonstrations in Table 4 to Subpart ZZZZ of Part 63 that apply to you within 180 d a ys after the compliance date that is specified for your stationary RICE in §63.6595 and according to the provisions in §63.7(a)(2). o §63.6615 -If you must comply with the emission limitations and operating limitations, you must conduct subsequent performance tests semiannu ally (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annuall y. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limitation, or you deviate from any of your operating limitations, you must resume semiannual performance tests. o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZZZZ of Part 63 that apply to you . o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/010 Page 4 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1196 Issuance 1 Colorado Departm ent of Public Health and Environment A i r Poll ution Control Division o §63.6630(a) -You must demonstrat e initial compliance with each emission and operati ng lim itation that applies to you according to Table 5 of Subpart ZZZZ to Part 63. o §63.6630(b) -During the initial performance test, you must esta blish each operating li mitation in Tables 1 band 2b of Subpart ZZZZ to Part 63 that applies to you. o §63.6630(c) -You must submit the Notification of Compliance Stat us containing the result s of t he i nitia l compli ance demonstration according to the r equi rement s in §63.6645. • Continuous Compliance Requirements o §63 .6635(b) -E xcept for m onitor malfunctions, associated repairs , and required quality assurance or control activit ies (including , as applicable , calibrat ion checks and required zero and span adjustments), you must monitor continuously at a ll t imes t hat t he stationary R IC E is operating. o §63.6635(c) -You may not use data record ed during monitor ing malfunction s , associated repairs, and requ ired quality assurance or control activities in data aver ages and calculations used to report emission or operating lev els. Y ou must, however, use all the valid data collected during all othe r periods. o §63.6640(a) -You must demonstrate continuous compliance with each emission limita tion and operating limitat ion in Tables 1 a and 1 b a nd T ables 2a and 2b of subpart ZZZZ of Part 63 that apply to you according to methods spe cified in Table 6 of S ubpart ZZZZ of P art 63. o §63.6640(b) -You must report each instance in which you did not meet each emission limitation or operating li mitation in Tables 1 a and 1 b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . These instances are deviations from the emission and operating lim it ations i n this subpart. These dev iations must be reported according to the requirements in §63.6650. If you change your catalyst, you must reestablish the values of the operating parameters measured duri ng the initial performance test. When you reesta blish the val ues of your operating parameters, you must a lso conduct a performance t e st to demonstrate that you are m e e ting the require d emission limitation applicable to your stationary RICE. o §63.6640(d) -Consistent w ith §§63.6(e) and 63.7 (e)(1), deviations from the emission or operating li mitations that occur during a period of startup, shutdown, or malfunction are not violations if you demonstrate to t he Administrator's satisfaction that you were operating in accordance with §63.6 (e)(1). For new, reconstructed, and rebuilt stationary R ICE, deviations from the emission or operating limitations that occur during the fi rst 200 hours of operation from engin e startup (engine bum-in period) are not violat ions. A IRS ID: 04 5/1046/010 Page 5 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.664 0(e) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart ZZ2Z to Part 63 that apply to you. • Notifications, Re ports a nd Records o §63.6645(a) -If you own or operate a stationary R ICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.?(b) and (c), 63.S(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified. o §63 .6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(9 ) -If you are required to condu ct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63.7(b)(1). o §63.6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart ZZZZ to Part 63, you must submit a Notification of Compliance Stat us according to §63.9(h)(2)(ii). • §63.6645(h)(2) -For each initial compliance demonstration req u ired in T able 5 of Subpart ZZZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63.1 O(d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZZZ to Part 63 that applies to you. o §63.6650(b) -You must submit each report by the date in Table 7 of Subpart ZZZZ to Part 63 and according to the requirements in paragraphs (b )( 1) through (5) of §63.6650. o §6 3.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63.6650(e) -For each deviation from an emission or operating limitation occurring for a stat ionary RI CE w here you are using a C MS to comply with the emission and ope rating limitations in Subpart ZZZZ to Part 63, you must include information in paragraphs (c)(1) through (4) and (e)(1) through (12) of §63.6650. AIRS ID: 045/1046/010 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63 .6655(a) -If you must comply with the emission and operating limitations, you must keep the records described in §63.6655(a)(1 ) t hrough (a)(3), §63.6655 (b)(1) through (b)(3) and §63.6655 (c). o §63 .6655(d) -You must keep the records required in Table 6 of Subpart ZZZZ of Part 63 to show continuous compliance w ith each emission or operating limitation that applies to you . o §63.6660(a) -Your records must be in a form suitable and readily a vailable for expeditious review according to §63.1 O(b)(1 ). o §63.6660(b) -As specified in §63.1 O(b)(1 ), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance, corrective action , report, or record . o §63.6660(c) -You must keep each record readily accessible in hard copy or electronic form on-site for at least 2 years after the date of each occurrence , measurement, mai ntenance, corrective action, report, or record , according to §63.10(b)(1). You can keep the records off-site for the remaining 3 years . • Other Requi reme nts and Information o §63.6665 -Table 8 to this subpart shows which parts of the General Provisions in §§63.1 through 63.15 apply to you. OPERATING & MAINTENANCE REQUIREMENTS 9. Upon startup of this point, the applicant shall follow the operating and maintenance (O&M) plan and record keeping format approved by the Division , in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B , Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. This engine is subject to the periodic testing requirements of 40 C .F.R Part 63, Subpart zzzz . 11 . This engine is subject to the periodic testing requirements as specified in the operating and maintenance (O&M) plan as approved by the Division. Revisions to your O&M plan are subject to Division approval. Replacements of this unit completed as Alternative Operating Scenarios may be subject to additional testing requirements as specified in Attachment A. AIRS ID: 045/1046/010 Page 7 of 17 E nCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 12. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A , 11.C) a . Annually whenever a significant increase in emissions occurs as follows : For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non -criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b . Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires. f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3, Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14. Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition . Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No. 3 Part D, Vl.B.4) GENERAL TERMS AND CONDITIONS: 15. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/010 Page 8 of 17 EnCana O il & G as (USA) Inc. Permit No . 08GA 1 196 Issuance 1 Colorado Department of Public He alth and Environment A ir Pollution Control Division A QCC Regulation No. 3 , Part B , Section 11.B upon a request for transfer of ownership and the su bmittal of a revised A PEN and t he required fee. 16. Issua nce of a construct ion permit does not provide "final" a uthority for this activity or operation of this source. F inal author ization of the permit must be secured from the APCD in writi ng in accorda nce with the provisions of 25-7-11 4 .5 (12)(a) C .R.S. and AQCC R egulation No . 3 , Part B, Section 11 1.G . Final author ization cannot be granted u ntil the operation or activity commences and has been verified by the APCD a s conf orming in all respects with the conditions of the permit. Once self-certification of all points has been r eviewed a nd approved by the Division, it will provide written documentation of such final authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 17. T his permit is issued in relia nce upon the accuracy and completeness of information supplied by the applica nt and is cond itioned upon conduct of the activity, or construction, insta llation and operation of the source, in accorda nce w ith this information and with r epr esent at ions made by t he app lica nt or app licant 's agents. It is v a lid only for the equipment and operations or activity specifically identified on t he perm it. 18 . Unless s pecifically stated otherwise, t he genera l and specific condit ions cont ained in this permit have b e en deter mined by the A PCD to be necessary to a ssure compliance w ith the provisions of Section 25-7-1 14.5 (7 )(a), C .R.S. 19. E ach a nd every condition of this permit is a m aterial part hereof and is not severable. Any challenge to or appeal of a condition here of shall constitute a rejection of the entire permit and u p on s uch occurrence, t h is pe rmit shall be deemed d enied ab initio. T his permit may be revoked at any time pr ior to self-c e rtific ation and fi n al authorization by the Air Pollution Contr ol D ivision (A PCD) on grounds set forth in the Colorado Air Quality Cont rol Act and reg u lations of t he Air Q u al it y Control Commission (AQCC), including f ailure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are conteste d by t h e applicant, or the Division revokes a per mit, the applicant or owner or operator of a source m a y re quest a hearing before the AQCC for review of the Division's action. 20. Section 25-7-114.7(2 )(a), C .R.S. requires that all sources required to file an Air P ollution Emission Notice (APEN ) must pay an annual fee to cover the costs of i nspections and administration. If a source or activit y is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. U pon notification, annual fee billing w ill t erm inate. 21 . Violation of the terms of a permit or of the provisio ns of the Colorado Air P ollution Prevention and Control Act or the regulat ion s of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penaltie s ), -122.1 (criminal penalties), C .R.S. 22. T h is permit replaces the followin g permit, which is canceled upon issuance of this permit: AIRS ID: 045/1046/010 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Permit No. AIRS ID 04P00443 777/2273/001 By: /~, J Carissa Money Permit Engineer (f p •t H" t erm1 1s orv Issuance Date Issuance 1 This Issuance Initial Approval August 11 , for 04P00443 2004 AIRS ID: 045/1046/010 Notes Engine-HM04: This equipment will now be covered under this stationary source permit. Description Canceled portable permit 04P00443 and issued as new stationary permit Issued to EnCana Oil & Gas Page 10of17 EnCan a Oil & Gas (USA) Inc. Permit No . 08GA 1196 Issua nce 1 Notes to Perm it Holder: Colorado Department of P ublic Health and Environment A ir Poll ution Control Division 1) T he production or raw material processing limits and emission lim its contained in this permit are based on the consumption rates requested in the perm it application . T hese limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or an y ambient air quality standard . A rev ised a ir poll ution emission notice (APEN ) and application form must be submitted with a request for a permit revision . 2 ) Th is source is subject to the Common Provisions Regulation Part II , Subpart E, Affirmative Defense P rovision for Excess Em issions Du ri ng Malfunctions. The permittee shall notify the Div ision of a ny malfunction condition wh ich causes a violation of any emission limit or limits stated in t his permit as soon as possible , but no later than noon of the next working day, followed by written notice to the Division addressing a ll of the criteria set forth in Part 11. E.1 . of the Common Provis ions Regulation . See: http://www.cdp he . state . co. u s/reg u lati ons/airregs/ 1001 02aqcccommonprovisionsreg . pdf. 3) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as ind icated in this perm it. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations . Uncontrolled Emission Are t he Controlled AIRS Rate emissions Emiss ion Poin t Po llutant CAS# BIN (lb/y r) reporta ble ? Rate (lb/yr ) Fo rma ldehyde 500 0 A 5599 Yes 2800 A ceta ldeh y d e 75070 A 760 Yes 380 A c r o l ein 107028 A 467 Yes 234 010 Methanol 67561 c 227 No 11 4 n-Hexane 110543 c 101 No 50 Benzene 71432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) The emi ss ion levels contained in this permit are based on the following emission factors: Po int 0 10: Emission Factors -Uncont ro lled Em ission Factors -Contro lled CAS Po llutan t l b/MM Btu g/b hp-hr Source l b/MM Btu g/bhp-hr Source NOx 0 .3850 1.5000 Mfq 0.3850 1.5000 Mfg co 0.5673 2 .2100 Mfg 0.0397 0.1547 Mfq 0.4900 >--voe 0.1258 Mfg 0.0629 0.2450 Mfg 5000 Formaldehyde 0 .0616 0.2400 Mfg 0 .0308 0 .1200 Mfg AP-42; T able 75070 Acetaldehyde 0 .0084 0 .0326 3.2-2 (7 /2000); 0 .0042 0 .0163 Mfg Natura l Gas AP-42 ; Table 107 028 Acrole in 0.0051 0 .0200 3.2-2 (7/2000); 0.0026 0.0100 Mfg Natu ral Gas 67561 M ethanol 0.0025 0.0097 AP-42; T able 0.0013 0.0049 Mfg 3.2-2 (7/2000); A IRS I D: 04 5/1046/010 Page 11 of 17 EnCana Oil & G as (USA) Inc. Permit No. 08G A 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Divisi on Emission Factors -Uncontrolled Emissi on Factors -Controlled CAS Pollutant lb/MM Btu a /bho-hr Source lb/MM Btu c:i/bhp-h r Natural Gas A P-42; Table 110543 n-Hexane 0 .0011 0.0043 3.2-2 (7/2000); 0 .0006 0 .0022 Natural Gas AP-42 ; Table 71432 Benzene 0.0004 0.00 17 3.2-2 (7/2000), 0.0002 0 .0009 Natural Gas AP-42 ; Table 108883 I Toluene 0 .0004 0.0016 3.2-2 (7/2000), 0 .0002 0 .0008 Natura l Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8,589 Btu/n p-hr, a site-rated horsepower value o f 1,208, and a fuel heat value of 1,000 Btu/sc f. 5) In accordance with C .R.S . 25-7-114.1, the A ir Po llutant Emission Notice (APEN ) associate d with this permit is v alid for a term of fi ve years. The five-year term for this APEN expires on Novem ber 9, 2013 A re vised APEN shall be submitted no later tha n 3 0 days before the five-year term exp ires. 6) This facility is c lassified as follows: Applicable Status Requirement Operating Permit Maj or Sou rce: NOx, HAPs Synthetic Minor Source : CO, VOC PSD Synthetic Minor Source : VOC MACT HH Synthetic Mi nor Source : Toluene, Total HAP MACT ZZZZ Major Source 7) Full text of the Title 40, Protection of Environment Electronic Code of Federal Reg ulations can be found at the websi te listed below: http://ecfr.gpoaccess.gov/ Part 60: Standar ds of Performance for New Stationary Sources NSPS 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Append ixes Appendix A -Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categor ies MACT 63.1-63.599 Subpart A -Su bpart Z MACT 63.600-63.1199 Su bpart AA -Subpart ODD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.61 75 Subpart QQQ - Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNNNN -Subpart XXXXXX A I RS I D: 045/104 6/01 0 P age 12 of 17 Source Mfg Mfg Mfg EnCana Oil & Gas (USA) Inc. Permit N o . OBGA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A TTACHMENT A: ALTERNATIVE OPERA TING SCENARIOS RECIPROCATING INTERNAL CO MBUSTIO N ENGINES December 10, 2008 The following Alternative Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance w ith the requirements of Regulation No. 3 ., Part A , Section IV.A . Operational F lexibility-Alternative Operating Scenarios, Regulation No. 3 , Part B, Construction Permits, and Regulation No . 3, Part D, Major Stationary Source New Source Review and Prevention of S ignificant Deterioration , and it has been found to meet all applicable substantive and procedural requirements . This permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS, and the permittee shall be allowed to perform such engine replacement without applying for a revision to this pe rmit or obtaini ng a new Construction Permit. A.1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor eng ine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. 'Temporary" is defined as in the same service for 90 operating days or less in any 12 month period. "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period. The 90 days is the total number of days that the engine is in operation . If the engi ne operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring requ ired by th is AOS are in addition to any compliance demonstrations or periodic monitoring required by this permit. All replacement eng ines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping). The results of all tests and the associated calculations requ ired by th is AOS shall be submitted to the Divi sion within 30 calendar days of the test or within 60 days of the test if such testing is requ ired to demonstrate compliance w ith NS P S or MACT requirements . Results of all tests shall be kept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on -site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this permit , and the manufacturer. model number, horsepower . and serial number of the replacement engine. In addition to the log, the permittee shall maintain a copy of a ll Applicability Reports required under section A.1 .2 and make them available to the Division upon request. A.1 .1 The permittee may temporarily replace an existing compressor engine that i s subject to the emission lim its set forth in this permit w ith an engine that is of the same manufacturer, model, and horsepower or a different manufacturer. model , or horsepower as the existing engine without modifying th is permit, so long as the emissions from the temporary replacement engi ne comply with the emission limitations for the existing permitted engine as determined in section A.2 . Measurement of em issions from the temporary replacement engine shall be made as set forth in section A.2. A.1 .2 T he permittee may permanently replace the existing compressor engine w ith an engine that is of the same manufacturer. model and horsepower without modifying th is permit so long as the emissions from the permanent replacement engine comply w ith 1) the permitted annual emissi on limitations for the AIRS ID: 045/1046/010 Page 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine, 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www.cdphe.state.co.us/ap/oilgaspermitting html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2 .2. An Air Pollutant Emissions Notice {APEN) that includes the specific manufacturer, model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the relevant Applicability Reports for the replacement engine. Example Applicability Reports can be found in at http://www.cdphe .state co us/ap/oilgaspermitting html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true, accurate and complete" This AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time penod (i e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition , if approved in advance by the Division. The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine using a portable flue gas analyzer within seven (7) calendar days of commencing operation of the replacement engine. All portable analyzer testing required by this permit shall be conducted using the Division 's Portab e Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at: http://www.cdphe.state.co.us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison with an annual (tons/year) or short term (lbs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours rn the month or year (whichever applies) in order to monitor complrance. If a source 1s not limited in its hours of operation the test results will be multiplied by the maximum number of hours in the month or year (8760), whichever applies. A IRS ID: 045/1046/010 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mmBtu), output based (g/hp-hr) or concentration based (ppmvd@ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to, the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer resu lts indicate compliance with both the NOX and CO emission limitations, in the absence of credible evidence to the contrary , the source may certify that the engine is in compliance with both the NOX and CO emission limitations for the relevant time period . Subject to the provisions of C .R.S. 25-7-123.1 and in the absence of credible evidence to the contrary , if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A.3 Applicable Regulations for Permanent Engine Replacements A.3.1 Reasonably Available Control Technology (RACT): Reg 3 , Part B § 11 .D.2 All permanent replacement engines that are located in an area that is classified as attainment/maintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainment/maintenance or nonattainment. Note that both VOC and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainment/maintenance or nonattainment, except as follows: In the Denver Metropolitan PM10 attainment/maintenance area, RACT applies to PM1 Oat any level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM10 : The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331) and 40 CFR Part 72 (§ 72.2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Emission Standards: Regulation No. 7 , Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area is subject to the applicable control requirements specified in Regulation No. 7 , section XVI , as specified below: Rich burn engines with a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission. AIRS ID: 045/1046/010 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn eng ines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports required under Condition A 1.2 . Emission Standards: Section XVII. E -State-only requirements Any permanent engine that is either constructed or relocated to the state of Colorado from another state , after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below: Max Engine Construction o r Emis sion Standards in G/hp -hr HP R elocati o n Date NO x co voe 100<Hp<500 January I, 2008 2.0 4.0 l.O January 1, 2011 l.O 2.0 0 .7 500,:::Hp July 1, 2 007 2.0 4.0 1.0 July 1, 2010 1.0 2.0 0 .7 The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 711109 for emergency engines greater than 25 hp, 711/2008 for engines less than 500 hp, 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2. Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. Note that under the provisions of Regulation No. 6 . Part B, section 1.8. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B, § l.B (which is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. AIRS ID: 045/1046/010 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1196 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating internal combustion eng ine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ A.3.4.1 Area Sou rce for HAPs A permanent replacement engine located at an area sou rce that commenced construction or reconstr uction after June 12, 2006 as defined in§ 63.2, will meet the requirements of 40 CFR Part 63, Subpart ZZZZ by meeting the requirements of 40 CFR Part 60, Subpart JJJJ. An analysis of the applicable monitoring, record keeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports requ ired under Condition A.1 .2 . Any testing required by the MACT is in addit ion to that required by thi s AOS. Note that the in itial test required by the MACT can serve as the testi ng requi red by thi s AOS under Condition A .2 , if approved in advance by the Division , provided that such test is conducted with in the time frame specified in Condition A.2. A.4.3.2 Maj or source for HAPs A permanent repl acement engine that is located at major source is subj ect to the requirements in 40 CFR Part 63 Subpart ZZZZ as follows: Existing , new or reconstructed spark ignition 4 stroke rich burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines w ith a s ite rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6 /12/06) 4 stroke lean bum engines with a s ite rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ . New or reconstructed (construction or reconstruction commenced after 6/12/06) 2 stroke lean burn o r 4 stroke rich burn engines w ith a site rating of 500 hp or less w ill meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ . New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a s ite rating of less than 250 hp w ill meet the requ irements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitoring , recordkeeping, and reporting requ irements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A 1 .2. Any testi ng required by the MACT is in addition to that required by th is AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Divis ion , provided that such test is conducted w ith in the time frame specified in Condition A.2 . A.3.5 Additional Sources The replacement of an exi sting engine w ith a new engine is viewed by the Divis ion as the i nstallation of a new emissions unit, not "routine replacemenr of a n existing unit. The AOS is therefore essentially an advanced construction permit review. The AOS cannot be used for additional new emissi on points for any s i te; an eng ine that is being installed as an e ntirely new emission point and not as part o f an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating permitting process prior to installation. AIRS ID: 045/1046/010 Page 17 of 17 STATE OF COLORADO COLO RADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVIS ION TELEPHON E: (303) 692-31 50 CONSTRUCTION PERMIT PERMIT NO : DATE ISSUED: ISSUED TO: 08GA1197 JUL 3 ·1 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas compression facility , known as the High Mesa Compressor Station , located in SENW Section 36 , Township 7S , Range 96W, in Garfield County, Colorado. T HE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT IN CLUDES THE FOLL OWING: Facility AIRS Equipment Point Description ID One (1) Caterpillar, Model G3516LE, Serial Number 4EK04910, natural gas-fired, turbo-charged , 4SLB reciprocating internal HM05 011 combustion engine , site rated at 1,208 horsepower at 1,400 RPM . This engine shall be equipped with an oxidation catalyst and air- fuel ratio control. This emission unit is used for natural gas compression. This engine may be replaced with another engine in accordance with the temporary engine replacement provision or with another Caterpillar G35 16LE engine in accordance with the permanent replacement provision of the A lternate Operating Scenario (AOS), included in this permit as Attachment A. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE C O L ORADO AIR QUALITY CONTROL C OMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND C ONTROL ACT C.R.S. (25-7-10 1 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOC UMENT AND THE FOLLOWING SPECIFIC TERMS AND C ONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. This co nstruction permit represents final permit approval and authority to operate this emissions source (Regulation 3, Part 8 , Section 111.G .5). AIRS ID: 045/1046/011 Page 1 of 17 NGEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LI MITATIONS AND RECORDS 2. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3 , Part B, Section 11.A.4) M thl L' ·ts o n IY 1m1 Facility AIRS Pounds per Mo nth I Equipment ID Point NOx voe co Em iss ion Type HMOS Oll 2972 486 306 Point Monthly limits are based on a 31-day month. Ann ual Limits: Facility A IR S Tons per Year Equipment ID Point NOx voe co Em ission Type HMOS 011 17 5 2.9 1.8 Point See "Notes to Permit Holder #4 for information on em1ss1on factors and methods used to calculate limits. During the first twelve (12) months of operation , compliance with both the monthly and yearly emission limitations sha ll be required. After the first twelve (12) months of operation , compliance with only the yearly limitation shall be requi red . Compliance with the synthetic minor status of this facility shall be determined by recording the facility's annual criteria pollutant emissions , from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site, or at a local field office with site responsibility , for Division review. This rolling twelve-month total shall apply to all emission units , requiring an APEN, at this facility . 3. This engine shall be equipped wi t h an oxidation catalyst and air-fuel ratio control The selective oxidation catalyst shall be capable of reducing uncontrolled emissions of voe and CO from the unit to the emission levels listed in Condition 2 , above. Operati ng parameters of the control equipment are identified in the operation and maintenance plan . (Reference : Regulation No.3, Part B, Section 111.E.) PROCESS LIMITATIONS AND RECORDS 4. This source shall be limited to the following maximum consumption , processing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applica nt and made available to the Division for inspection upon request. (Reference: Regulation 3 , Part B, 11.A.4) P I C t' L ' •t rocess onsum p· 1on 1m1s I Faci.lit y I A IRS I Annual Monthly Eq u ipment p . t Process Paramete r Limit Limit (31 ID 01n days) HM05 011 I Consumption of natural gas as a 90.9 7 .72 fuel MMscf/yr MMscf/month AIRS ID: 045/1046/011 Page 2 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of P ublic Health and Environment Air P ollution Control Division During the fi rst twelve (12) months of operation, com pliance with both the monthly and yearly consumption limitations shall be required . After t he first twelve (12) months of operation, compliance w ith only the yearly limitation shall be required. Compliance with the yearly consumption limits shall be det ermined on a rolling twelve ( 12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculat e monthly consumption of n atural gas and keep a compliance record on s ite or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 5. Visible emissions shall not exceed twenty pe rcent (20%) opacit y during normal operation of the source. During periods of startup, process modificat ion, or adjustment of control equipment visible emissio ns shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Reference: Regulation No . 1 , Section 11.A.1 . & 4 .) 6 . This source is subject to the odor require m e nts of Regu lat ion No . 2. (State only enforceable) 7. The permit number and A IRS ID number shall be marked on the subject equipment for ease of identification. (Reference: Regulatio n Numbe r 3 , P a rt B, 111.E.) (State only enforceab le) 8 . T his source is subject to the requirements of: • Regulation No. 8, Part E , Subpart 111.FFFF: National Em issions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Part E, Subpart I.A , National Emission Standards for Hazardous Air Pollutants for Source Categori es: General Provisions, 40 CFR Part 63 includin g , but not limited to, the following : • Emission and Operating Limitations o 63.6600(b) -If you own or operate a new or reconst ruct ed 4SL B stationary R IC E with a site rating of more than 500 brake H P locat ed at major source of HAP emissions you must comply with t he following emission limitations (T able 2a, Subpart Z ZZZ to Part 63): • reduce CO emissions by 93 percent or more; or • limit concentration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. A IRS ID : 045/1046/011 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 6 3.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart ZZZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • General Compliance Requirements o §63.6605(a) -You must be in compliance with the emission limitations and operating limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63.6605(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE, including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times , including during startup, shutdown, and malfunction. • Te sting and Initial Compliance Requirements o §63.6610(a) -You must conduct the initial perform ance test or other initial compliance demonstrations in Table 4 to Subpart ZZZZ of Part 63 that apply t o you within 180 days after the compliance date that is specified for your stationary RICE in §63.6595 an d according to the provisions in §63.7(a)(2). o §63.661 5 -If you must comply with the emission limitations and operating limitations, you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecu tive tests, you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limitation , or you deviate from any of your operating limitations, you must resume semiannual performance tests . o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZZZZ of Part 63 that apply to you o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/011 Page 4 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1197 Issu ance 1 Colorado Department of Public Health and E nvironment Ai r Pollution Control Division o §63.6630(a) -You must demonstrate initial compliance with each emission and operating lim itation that applies to you according to T able 5 of S ubpart ZZZZ to Part 63. o §63.6630(b) - D uri ng the initial performance test, you must establish e ach operating limitation in Tables 1 b and 2b of Subpart ZLZZ. to Part 63 that applies to you . o §63.6630(c) -You must submit the N otification of Com pliance Stat us containing the results of the initial compl iance demonstration according to the requirements in §63.6645. • Continuous Compliance Requirements o §63.6635(b) -Except for monitor malfunctions, associated repairs, and req uired quality assur ance or control activities (including , as applicable, calibration checks and required zero and span adju stm e nts), you must monitor conti nuously at all times that the st ationary RICE is operati ng. o §63.6635(c) -You ma y not use d ata recorded durin g monitoring malfunctions, associated repairs, and required q ua li ty assurance or control activities in data averages and calculat ions used to report emission or operating levels . You must, however , use all the va li d data collected during all other periods . o §63.6640(a) -You must demonstrate continuous compliance with each emission limitation and operating limitation in T ables 1a and 1b and T ables 2a and 2b of subpart ZZZZ of Part 63 th at apply to you according to methods specified in T able 6 of Subpart ZZZZ of Part 63. o §63.6640(b) -You must report each instance in which you did not meet each emission limitation or operating limitation i n T ables 1a a nd 1b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . These instances are deviations from the emission and operating limit ations i n this subpart. T hese deviations must be reported accordi ng to the requirements in §63.6650 . If you chan ge your catalys t , you must reestablish t he values of the op erating parameters measured duri ng the initia l performance test. When you reestablish the values of you r operating parameters, you must also con duct a performance test to demonstrate t hat you are meeting the required emiss ion limitation applicable to your stationary RIC E. o §63.6640(d) -Consistent w ith §§63.6(e) and 63.7(e)(1), deviat io ns from the emission or operating limitations that occur during a period of startup, shutdown , or malfunction are not violat ions if you demonstrate to t he Administrator's sat isf action that you were operati ng in accordance w ith §63.6(e)(1). F or new, reconst ructed , and rebuilt stationary RICE, deviations from the emission or operating limitations that occur during the first 200 hours of oper ation from engine startup (engine bum-in period) are not violat ions . AIRS ID: 0 4 5/1046/011 Page 5 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6640(e) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart ZZZZ to Part 63 that apply to you. • Notifications, Reports and Records o §63.6645(a) -If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.7(b) and (c), 63.S(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified. o §63.6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(g) -If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63. 7(b)(1 ). o §63.6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart ZZZZ to Part 63, you must submit a Notification of Compliance Status according to §63.9(h)(2)(ii). • §63.6645(h)(2) -For each initial compliance demonstration required in Table 5 of Subpart ZZZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results , before the c lose of business on the 60th day following the completion of the performance test according to §63.1 O(d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZZZ to Part 63 that applies to you. o §63.6650(b) -You must submit each report by the date in Table 7 of Subpart ZZZZ to Part 63 and according to the requirements in paragraphs (b)(1) through (5) of §63.6650. o §63.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63 .6650(e) -For each deviation from an emission or operating limitation occurring for a stationary RICE where you are using a CMS to comply with the emission and operating limitations in Subpart ZZZZ to Part 63, you must include information in paragraphs (c)(1) through (4) and (e)(1) through (12) of §63.6650. AIRS ID: 045/1046/011 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6655(a ) -If you must comply with the emission and operating limitations, you must keep the records described in §63.6655(a)(1) through (a)(3), §63.6655 (b)(1) through (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records requi red in Table 6 of Subpart ZllZ of Part 63 to show continuous compliance wi t h each emission or operating limitat ion that applies to you. o §63.6660(a) -Your records must be in a form suitable and readily available for expeditious review according to §63.1 O(b)(1 ). o §63.6660(b) -As specified in §63.1 O(b)(1), you must keep each record fo r 5 years following the date of e ach occurrence , measurement, maintenance, corrective action , report, or record. o §63.6660(c) -You m ust keep each record readily accessible in hard copy or e lectronic form on-site for at least 2 years after the date of each occurrence , measurement, maintenance, corrective action, report , or record, according to §63.1 O(b)(1). You can keep t he records off-site for the remaining 3 years. • Other Requirements and Information o §63.6665 -T a ble 8 t o this subpart shows which parts of the General Provisions in §§63.1 through 63.15 apply to you. OPERATING & MAINTENANCE REQUIREMENTS 9. Upon startup of this point, the applicant shall follow the operating and maintenance (O&M) plan and record keeping format approved by the Division , in order to demonstrate compliance on an ongoing basis wit h the req uirements of t his permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part 8 , Section 11 1.G.7 .) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. T his engine is subject to the periodic testing requirements of 40 C.F.R Part 63, Subpart ZllZ. 11 . This engine is subject to the periodic testing requ irements as specified in the operating and maintenance (O&M) plan as approved by the Division. Revisions to your O&M plan are subject to Division approval. Replacement s of this unit completed as A lternative Operating Scenarios may be subject to additional test ing requirements as specified in Attachment A. A IRS ID: 045/1046/011 Page 7 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 12. A re vised Air Pollutant Emission Notice (APEN) shall be filed : (Reference: Regulation No. 3 , Part A , 11.C) a . Annually whenever a significant increase in emissions occurs as follows : For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, abov e the level reported on the last APEN ; or For any non-criteria reportable pollutant: If the emissions increase by 50% o r five (5) tons per year, whichever i s less, above the level reported on the last APEN submitted to the Division . b . Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment 1s installed, or whenever a d ifferent type of control equipment replaces an existi ng t ype of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (T itle V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due w ithin one year of commencement of operation of the equipment or modification covered by this permit. 14. Prevention of Sign ificant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full P SD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted . (Regulation No . 3 Part D , Vl.B.4) GENERAL TERMS AND CONDITIONS: 15. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/01 1 Page 8 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division AQCC Regulation No. 3 , Part B, Section 11.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 16. Issuance of a construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C .R.S. and AQCC Regulation No. 3 , Part B, Section 111.G . Fina l authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division , it will provide written documentation of such final authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 17 . This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity , or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 18. Unless specifically stated otherwise , the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7}(a}, C.R.S. 19 . Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the A ir Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the D ivision revokes a permit , the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division 's action. 20 . Section 25-7-114.7(2)(a), C .R.S . requi res that all sources required to file an Ai r Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be di scontinued, the owner must notify the D ivision in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 2 1. V iolation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or crimina l enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C .R.S. 22 . This permit replaces the following permit, which is canceled upon issuance of this permit: AIRS ID: 045/1046/01 1 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Hea lth and Environment Air Pollution Control Division Permit No. AIRS ID Notes 0 4P01278 777124081001 E ngine-HM 05: T h is e quipment w ill now be covered u nder this stationary sour ce permit. By: c 'a rissa Money (/ Permit Engi neer p . H" erm at astorv I ssuance Date Descri ption Iss uance 1 This Issuance Canceled portable permit 04P0127 8 and issued as new stationary permit Fi na l Approval April 14, 2006 Issued to EnCana Oil & Gas for 04P01278 Initial Approval January 13, Issued to EnCana Oil & Gas for 0 4P01278 200 5 AIRS ID: 045/1046/011 Page 10 of 17 EnCana Oil & Gas (U SA) Inc. Permit N o . 08GA 1197 Issuance 1 Notes to Permit Holder: Colorad o Department of P ublic H ealth and E n vironment Air Poll ution Control Division 1) The production or raw material processing limits and em ission limits contain ed In th is permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard . A rev ised a ir pollution emission notice (APEN) and application form must be submitted with a request for a permit revis ion . 2 ) This source is subject to the Common Provisions Regulation Part II , Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions . The permittee shall notify t he Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E .1. of the Common Provisions Regulation . See: http ://www. cd phe. state. co . us/reg u lations/airregs/ 100102aqcccommon provisionsreg . pdf. 3 ) The follow in g emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Divi sion 's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncon trolled Em ission A re t he Contro lled AIRS Rate emissions Emissi on Po int Po llutant CAS# BI N (lb/yr) reportabl e? Rate (lb/y r) Fo r maldehyde 5000 A 5599 Yes 2800 Acetaldehyde 75070 A 760 Yes 380 A c r o l ein 107028 A 467 Yes 234 011 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 71 4 32 A 40 No 20 Toluene 108883 c 37 No 19 4) The em ission levels contained in t his permit are based on the following emission factors: Point 0 11 : Emission Factors -U ncontrolled Emissio n Factors -Controlled CAS Pollutant lbf MMBtu g/bhp-hr Source l b/MMBt u g /b hp-hr Sourc e NOx 0.3850 1.5000 Mfg 0.3850 1.5000 Mfq co 0 .5673 2.2100 Mfq 0.0397 0.1547 Mfg voe 0 .1258 0.4900 Mfg 0.0629 0.2450 Mfg 5000 Formaldehyde 0.0616 0.2400 Mfg 0.0308 0.1200 Mfq AP-42 ; Table 75070 Acetaldehyde 0.0084 0 .0326 3.2-2 (7/2000); 0 .0042 0.0163 Mfg Natural Gas AP-42; T able 107028 Acrolein 0 .0051 0 .0200 3.2-2 (7/2000); 0.0026 0.0100 Mfg Natural Gas 67561 Methanol 0.0025 0.0097 AP-42 ; Table 0.0013 0 .0049 Mfg 3.2 -2 (7/2000); A I RS I D: 04 5/104 6/01 1 P age 11 of 17 EnCana Oil & Gas (USA) Inc. Perm it No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Emission Factors -Unc ontrolled Emission Factors -Controlled CAS Po lluta nt lb/MM Btu g/bhp-hr Source lb/MM Btu g /bhp-hr Natural Gas AP-42; T able 1 110543 n-Hexane 0.0011 0 .0043 3.2-2 (7/2000); 0 .0006 0.0022 Natural Gas ! 71432 AP-42 ; Table Benzene 0.0004 0.0017 3.2-2 (7/2000); 0.0002 0.0009 Natural Gas AP-42; Table 108883 Toluene 0.0004 0 .0016 3.2-2 (7/2000); 0 .0002 0.0008 Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8,589 Btu/hp-hr, a site-rated horsepower value of 1,208, and a fuel heat value of 1,000 Btu/scf. 5) In accordance with C.R S . 25-7-114.1, the Air Pollutant Emission Notice (APEN ) associated with this perm it is valid for a term of five years. The five-year term for this APEN expires on November 9, 20 13. A revised APEN shall be submitted no later than 30 days before the five-year term expires 6) This facility is classified as follows: Applicable Status Requirement Operating Permit Major Source : NOx, HAPs Synthetic M inor Source : CO, VOC PSD Synthetic Minor Source : VOC MACT HH Synthetic Minor Source: Toluene, Total HAP MACT ZZZZ Major Source 7) Full text of the Title 40 , Protection of En viron me nt Electronic Code of Federal Regula t ions can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards o f Performance for New Stationary Sourc es NSPS 60.1-End Subpart A -Subpart KKKK NSPS Part 60 , Appendixes Appendix A -Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63 .1199 Subpart AA -Subpart DOD MACT 63. 1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End S ubpart NNNNN -Su bpart XXXXXX A IRS I D : 045/1046/011 Page 12 of 17 Source Mfg Mfg Mfg EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1197 Issuance 1 Colorado Depart ment of Public Health and E nvironment Air Pollution Control Division A TTACH MENT A : ALTERNATIVE OPERA TING SCENARIOS RECIPRO CAT ING INT ERNAL COMBUSTION ENGI NES December 10, 2008 The following Alternative Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance with the requirements of Regulation No. 3., Part A, Section IV.A. Operational Flexibility-Alternative Operating Scenarios, Regulation No. 3, Part B, Construction Permits, and Regulation No. 3, Part D, Major Stationary Source New Source Review and Prevention of Significant Deterioration, and it has been found to meet all applicable substantive and procedural requirements. This permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS , and the permittee shall be allowed to perform such engine replacement without applying for a revision to this permit o r obtaining a new Construction Permit. A.1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor engine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days or less in any 12 month period . "Permanenf is defined as in t he same service for more than 90 operating days in any 12 month period . The 90 days is the total number of days that the engine is in operation . If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring required by this AOS are in addition to any compliance demonstrations or periodic monitoring required by this permit. All replacement engines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping). The results of all tests and the associated calcu lations required by this AOS shall be submitted to the Division within 30 calendar days of the test or within 60 days of the test if such testing is required to demonstrate compliance with NSPS or MACT requirements. Results of all tests shall be k ept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this permit, and the manufacturer, model number, horsepower, and serial number of the replacement engine. In addition to the log , the permittee shall maintain a copy of all Applicability Reports required under section A.1.2 and make them available to the Division upon request. A.1 . 1 T he permittee may temporarily replace an existing compressor engine that is subject to the emission limits set forth in this permit with an engine that is of th e same manufacturer, model, a nd horsepower or a different manufacturer, model, or horsepower as the existing engine without modifying this permit, so long as the emissions from the temporary replacement engine comply with the emission limitations for the existing permitted engine as determined in section A.2 . Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2 . A.1 .2 The permittee may permanently replace the existing compressor engine with an engine that is of the same manufacturer, model and horsepower without modifying this permit so long as the emissions from the permanent replacement engine comply with 1) the permitted annual emission limitations for the AIR S ID: 0 4 5/104 6/011 Page 13of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine, 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www.cdphe.state.co us/ap/oilgaspermittinq.html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2 .2. An A ir Pollutant Emissions Notice (APEN) that includes the specific manufacturer, model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the relevant Applicability Reports for the replacement engine. Example Applicability Reports can be found in at http://www.cdphe.state.co.us/ap/oilgaspermitting html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inqu iry , the statements and information included in the submittal are true, accurate and complete" Thts AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt eng ine or an engine tnat is not subject to emission limits . The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time period (i.e . if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition , if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engi ne using a portable flue gas analyzer within seven (7) calendar days of commencing operation of the replacement engine. All portable analyzer testing required by th is permit shall be conducted using the Divisi on 's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at: http://www. cd phe. state . co. us/a p/d own/portana lyzeproto . pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison with an annual (tons/year) or short term {lbs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to monitor compliance. If a source is not limited in its hours of operation the test results w ill be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/011 Page 14 of 17 EnCana O il & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mm Btu), output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to, the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitations, in the absence of credible evidence to the contrary, the source may certify that the engine is in compliance with both the NOX and CO emission limitations for the relevant time period . Subject to the provisions of C .R.S . 25-7-123.1 and in the absence of credible evidence to the contrary, if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A.3 Applicable Regulations for Permanent Engine Replacements A.3.1 Reasonably Available Control Technology (RACT): Reg 3, Part B § 11.0.2 All permanent replacement engines that are located in an area that is classified as attainmenUmaintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainment/maintenance or nonattainment. Note that both VOC and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainmenUmaintenance or nonattainment, except as follows: In the Denver Metropolitan PM10 attainmenUmaintenance area, RACT applies to PM10 at any level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM 10: The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331) and 40 CFR Part 72 (§ 72 .2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet A.3 .2 Control Requirements and Emission Standards: Regulation No. 7 , Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area is subject to the applicable control requirements specified in Regulation No. 7 , section XVI , as specified below: Rich burn engines with a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission . AIRS ID: 045/1046/011 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 . Emission Standards: Section XVll.E -State-only requirements Any permanent engine that 1s either constructed or relocated to the state of Colorado from another state, after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below· Max.Engine Construction or Emis sion Standards in G/hp-hr HP R e location Date - N Ox co voe 100<Hp<500 January L 2008 2.0 4.0 1.0 January 1, 2011 1.0 2 .0 0.7 500S Hp July 1, 2007 2.0 4.0 1.0 July 1, 2010 1.0 2 .0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp , 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1 ,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, record keeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A .1.2 . Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division , provided that such test is conducted within the time frame specified in Condit ion A.2. Note that under the provis ions of Regulation No 6 . Part B, section I. B. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS w ill be subject only under Federal Jaw. Once the D ivision adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B, § I. B (which is referenced in Part A), any e ng ine relocated from outside of the State of Colo rado into the State of Colorado is considered to be a n ew source, subj ect to the requirements of NSPS J JJJ . AIRS ID: 045/1046/011 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1197 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating internal combustion engine (RICE) MACT: 40 CFR Part 63, Subpart U2.Z A.3.4 .1 Area Source for HAPs A permanent replacement eng ine located at an area source that commenced construction or reconstruction after June 12, 2006 as defined in§ 63.2 , will meet the requirements of 40 CFR Part 63, Subpart U2.Z by meeting the requirements of 40 CFR Part 60, Subpart JJJJ. An analysis of the applicable monitoring , recordkeeping , and reporting requ irements for the permanent eng ine replacement shall be included in the Applicability Reports required under Cond ition A.1 .2 . Any testing requi red by the MACT is in addition to that required by this AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A .2 , if approved in advance by the Division , provided that such test is conducted within the time frame specified in Cond ition A.2. A.4.3.2 Major source for HAPs A permanent replacement eng ine that is located at major source is subject to the requirements in 40 CFR Part 63 Subpart Z2Z2. as follows: Existing, new or reconstructed spark ignition 4 stroke rich burn eng ines with a site ra t ing of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines w ith a site rating of more than 500 hp are subj ect to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subj ect to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12106) 2 stroke lean burn or 4 stroke rich burn engines with a site rating of 500 hp or less will meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a si te rating of less than 250 hp will meet the requirements of 40 CFR 63, Subpart Z2Z2. by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitoring, recordkeeping , and reporting requirements for the permanent engine rep lacement shall be included in the Applicability Reports required under Condition A.1 .2 . Any testing required by the MACT is in addition to that requ ired by th is AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condit ion A.2, if approved in advance by the Division , provided that such test is conducted within the time frame specified in Condition A .2. A.3.5 Additional Sources The replacement of an existing engine with a new engine is viewed by the Division as the installation of a new emissions unit, not "routine replacement" of an existing unit. The AOS is therefore essentially an advanced construction permit review. The AOS cannot be used for additional new emission points for any s ite ; an engine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating perm itting process prior to installati on . AIRS ID: 045/1046/011 Page 17 of 17 STATE OF COLORADO COLORADO DEPART MENT OF PUBLIC HEAL TH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHON E: (303) 6 92-3150 CONSTRUCTION PERMIT PERMIT NO: DA T E ISSUED: ISSUED TO : 08GA1198 JUL 3 ., 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas compression facility, known as the High Mesa Compressor Station, located in SENW Section 36 , Township 7S, Range 96W, in Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERM IT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID One (1) Caterpill ar, Model G3516LE, Serial Number 4EK04903, natural gas-fired, t urbo-charged, 4SLB reciprocat ing in ternal HM06 012 combustion engine, sit e rated at 1,208 horsepower at 1,400 RPM. T h is engine shall be equipped with an oxidation catalyst and air- fuel ratio control. T his emission unit is used for natural gas compression. T h is engine may be replaced w ith another engine in accordance with the temporary engine replacement provision or with another Caterpillar G35 16LE engine in accordance w ith the pe rmanent replacement provision of the Alternate Operating Scen ario (AOS}, included in this perm it as Attachment A. THIS PERMIT IS GRANT ED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND C ONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOL LOWING SPEC IFI C TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. This c o nstruction permit represents final permit appro v al and authority to operate this emissions source (Regulation 3, Part B , Section 111.G .5). AIRS ID: 045/1046/012 Page 1 of 17 N GEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LIMIT A TIO NS A ND RECORDS 2. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference : Regulation No. 3, Part B, Section 11.A.4) M hi L .. o n t IY 1m1t s: Facility A IRS Pounds p e r Mo nth Equipment ID Point NO x voe co Emiss ion Type HM06 0 12 2972 486 306 Point Mont hly limits are based on a 31-day month . Annual Limits : Facil ity I AIRS Tons per Year Equipment ID Point NOx voe co Emissi on Type HM06 I 012 17.5 29 1.8 Point See "Notes to Permit Holder #4 for information on em1ss1on factors and methods used to calculate limits. During the first twelve (12) months of operation , compliance with both the monthly and yearly emission limitations shall be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Compliance with the synthetic minor status of this facil ity shall be determined by recording the facility's annua l criteria pollutant emissions , from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site , or at a local field office with site responsibility , for Division review. This rolling twelve-month total shall appl y to all emission units, requiring an APEN , at this facility. 3. This engine shall be equipped with an oxidation catalyst and air-fuel ratio control T he selective oxidation catalyst shall be capable of reducing uncontrolled emissions of VOC and CO from the unit to the emission levels listed in Condition 2 , above . Operating parameters of the control equipment are identified in the operation and maintenance plan . (Reference: Regulation No.3, Part B, Section 111.E .) PROCESS LIMITATIONS AND RECORDS 4 . This source shall be limited to the following maximum consumption . processing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, 11.A.4) P /C f L. ·ts rocess onsump ion 1m1 Fac ili ty AIRS Annual Monthly Equipment Poi nt Process Param eter Limit Limit (31 ID days) HM06 012 Consumption of natural gas as a 90.9 7.72 fuel MMscf/yr MMscf/month AIRS ID: 045/1046/012 Page 2 of 17 I I EnCana O il & Gas (USA) Inc. Permi t No . 08GA 1 198 Issuance 1 Colorado Department of Public Health a n d E nvir onm ent Air Pollution Control Division During the first twelve (12) months of operation, compliance with both the mont hly and yearly consumption limitations shall be required . A fter the first twelve (12} months of operation, compliance with only the yearly limitation shall be requir ed. Compliance with the yearly consumption limit s shall be determined on a rolling twelve (12) month tot a l. B y the e nd of e a ch month a new twelve-month total is calculated based on the previous twelve months' data. T he permit holder s h a ll ca lcul ate monthly consumption of natu ra l gas and keep a compliance recor d on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULA TORY REQUIREMENTS 5 . Visible emissio n s shall not exceed twent y percent (20%) opacity during norma l operat ion of the source. During periods of startup, process modification, or adjustment of control equip ment v isible emissions shall not exceed 30% opacity for m o re than s ix m i nutes in any sixty consecutive minutes. (Reference: Regula tion N o . 1 , Section 11.A.1. & 4 .) 6 . T his source is subject to the odor requi rements of Regulat ion No . 2 . (State only enforceable) 7. The per mit number and A IRS ID number s h all be marked on the subject equipment for e a se of identification. (R eference: Regulation Number 3 , P a rt B, 111.E.) (State only enfor ceable) 8 . T his source is subject to the requ irements of: • Regul ation No. 8, Part E , Subpart 111.FFFF: National Emi ssions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulati on No. 8, Part E, Subpart I.A , National Emissi on Standards for Hazardous A ir Pollutants for Source Categories: General Provisions, 40 CFR Part 63 including , but not limited to, the following : • Emission and Operating Limitations o 63.6600(b) -If you own or operate a new or reconstructed 4SLB station ary R ICE with a s ite rating of more than 500 brake HP located at major source of H A P emission s you must comply with the following emission li mitations (Table 2a, Subpart ZZ.Z Z to Part 63): • reduce CO emissions by 93 percent or m o re; or • limit concentrati on of form aldehyde in the stationary R IC E ex haust to 14 ppmvd or less at 15 percent 02. A IRS ID: 045/1046/012 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Environment A ir Pollution Control Division o 63 .6600(b) -If you own or operate a new or reconstructed 4SLB stationary R ICE with a site rating of more than 500 brake H P located at major source of HAP emissions you must com ply with the following operating limitations (Table 2b, Subpart ZZZZ to Part 63): • mai ntain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • G en e ral Complia nce Requ ireme nts o §63.6605(a) -You must be in compliance with the emission limitations and operati ng limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63 .6605(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary R ICE, including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times, including during startup, shutdown, and malfunction. • Testing and Initial Compliance Requirements o §63 .6610(a) -You must conduct the initial p erformance test or other initial compliance d emonstrations in Table 4 to Subpart ZZZZ of Part 63 that apply to you within 180 days after the compli ance date that is specified for your stationary RICE in §63.6595 and according to the provisions in §63.7(a)(2). o §63.6615 -If you must comply with the emission limitations and operating limitations, you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance w ith the CO or formaldehyde emission limitation, or you deviate from any of you r operating limitations, you must resu m e semiannual perfor mance tests. o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in T ables 3 and 4 to Subpart ZZZZ of Part 63 that apply to you. o §63 .6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/012 Page 4 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6630(a) -You must demonstrate in itial compliance with each emission and operating limitation that applies to you according to Table 5 of Subpart ZZZZ to Part 63. o §63.6630(b) -During the in itial performance test, you must establish each operating limitation in Tables 1 b and 2b of Subpart ZllZ to Part 63 that applies to you . o §63.6630(c) -You must submit the Notification of Compliance Status contain ing the results of the initial compl iance demonstration according to the requ irements in §63.6645. • Continuous Compliance Requirements o §63.6635(b) -Except for monitor malfunctions, associated repairs , and required quality assurance or control activities (including, as applicable, calibration checks and required zero and span adjustments), you must monitor continuously at all times that the stationary RICE is operating. o §63.6635(c) -You may not use data recorded during monitoring malfunctions, associated repairs, and required quality assurance or control activities i n data averages and calculations used to report em ission or operating levels . You must, however, use all the valid data collected during all other periods . o §63.6640(a) -You must demonstrate continuous compliance with each emission limitation and operating limitation in Tables 1a and 1b and Tables 2a and 2b of subpart ZllZ of Part 63 that apply to you according to methods specified i n Table 6 of Subpart ZllZ of Part 63. o §63.6640(b) -You must report each instance in which you did not meet each emission limitation or operating limitation in Tables 1 a and 1 b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you. These instances are deviations from the emission and operating limitations in this subpart. These deviations must be reported according to the requirements in §63.6650. If you change your catalyst, you must reestablish the values of the operating parameters measured during the in itial performance test. When yo u reestablish the values of your operating parameters , you must also conduct a performance test to demonstrate that you are meeting the required emission limitation applicable to your stationary RICE. o §63.6640(d) -Consistent with §§63.6(e) and 63.7(e)(1 ), deviations from the emission or operating limitations that occur during a period of startup, shutdown, or malfunction are not violations if you demonstrate to the Administrator's satisfaction that you were operating in accordance with §63.6(e)(1). For new, reconstructed , and rebuilt stationary RICE, deviations from the emission or operating l imitations that occur during the first 200 hours of operation from engine startup (engine burn-in period) are not vi olations . AIRS ID: 045/1046/012 Page 5of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6640(e ) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart llll to Part 63 that apply to you . • Notifications, Reports a nd Rec ords o §63 .6645(a) -If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.?(b) and (c), 63.8(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified . o §63.6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(9) -If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63. 7(b)(1 ). o §63 .6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart llll to Part 63, you must submit a Notification of Compliance Status according to §63.9(h)(2)(ii). • §63 .6645(h)(2) -For each initial compliance demonstration required in Table 5 of Subpart llll to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63.10( d){2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZllZ to Part 63 that applies to you . o §63.665 0(b) -You must submit each r eport by the date in Table 7 of Subpart llZZ to Part 63 and according to the requirements in paragraphs (b)(1) through (5) of §63.6650. o §6 3.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63 .6650(e) -For each deviation from an emission or operating limitation occu rring for a stat ionary RI C E whe re you are usin g a C M S to comply with the emission and oper ating limitations in Subpart llll to Part 63, you must include information in paragraphs (c)(1) through (4) and (e)(1 ) through (12) of §63.6650. AIRS ID: 045/1046/012 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6655(a) -If you must comply wit h the em ission and operating li mitations, you must keep the records described in §63 .6655(a)(1 ) through (a )(3), §63.6655 (b)(1) t hrough (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records requi red in Table 6 of Subpart llZZ of Part 63 to show continuous compli ance w ith each em ission o r operating limitation that applies to you . o §63.6660(a) -You r records must be in a form suitable and readily ava ilable for expeditious review according to §63.1 O(b )(1 ). o §63.6660(b) -As specified in §63.1 O(b)(1 ), you must keep e ach record for 5 years following the date of e ach occurrence, measurement, maint enance , corrective action , report , or record . o §63 .6660(c) -You must keep each record readily accessible in hard copy or e lectronic form on-site for at least 2 years after the date of each occurrence, measurement, mai ntenance, corrective action , report, or record , according to §63.10(b)(1). You c an keep the records off-site for the remaining 3 years. • Other Requirements and Information o §63.6665 -Table 8 to this subpart shows wh ich parts of the General Provisions in §§63 .1 through 63.15 apply to you . OPERA TING & MAINTENANCE REQUIREMENTS 9. Upon startup of this poin t , t he ap plicant shall follow t he operating and maintenance (O&M) plan and record keepi ng format approved by the Di vision , in order to demonstrate compliance on an ongoing basis wi t h the requirements of t his permit. Revisions to your O&M plan are subject to Div ision approval prior to implementation . (Reference: Reg ulation No. 3 , Part B, Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. This eng ine is subject to the periodic testing requ irements of 40 C.F.R Part 63 , Subpart ZllZ. 11 . This engine is subject to the periodic t esting requirements as specified in the operating and maintenance (O&M) plan as approved by the Divis ion. Revisions to your O&M plan are subject to Division approva l. Replacements of this unit completed as A lternative Operating Scenarios may be subj ect to additional testing requirements as specified in Attachment A. A IRS I D : 045/1046/012 Page 7 of 17 EnCana Oil & Gas (USA} Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 12. A revised Air Pollutant Emission Notice (APEN} shall be filed : (Reference: Regulation No. 3, Part A , 11.C} a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitti ng less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN ; or For any non-criteria reportable pollutant: If the emissions increase by 50% o r five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility , process, or activity; or c . W henever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires. f. Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments}. The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14. Prevention of Significant Deterioration (PSD) requirements shall apply to thi s source at any such t ime that this source becomes major solely by vi rtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No. 3 Part D , Vl.8 .4) GENERAL TERMS AND CONDITIONS: 15 . This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/012 Page 8 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of P ublic Health and Environment Air P o ll ution Control Division AQCC Regulation No. 3 , Part B, Section 11.B upon a request for transfer of ownership and the submittal of a revised APE N and the required fee. 16. Issuance of a constr uction permit does n ot provide "final" authority for this activity or operation of t his source . Fina l authorization of the permit must be s e cured from the APCD i n writing in accordance with the p rovisions of 25-7-114.5(12 )(a) C .R.S. and AQCC Regulation No. 3, Part B , Section 111.G. F inal auth orization c annot be g r anted until t he operation or activity commences and has been ver ified by the A P CD as conforming in all respe cts with the conditions of the permit. Once self-certification of all points has been reviewed and approved by t he Division , it will provide written document ation of such fina l authorization. Details for obtaining final authorization to operat e are located in the Requirements to Self-Certify for Final Authorization section of this permit. 17 . This permit is issued in reliance upon the accuracy and com pleteness of information supplied by the applicant and is conditioned upon conduct of the activity, or cons t r uction, installation and operation of the source, in accordance with this informat ion and with representations made by the applicant or applicant's agent s. It is valid o nly for the equipment and operations or activity specifically identified on the permit. 18. U nless specifically stat ed otherwise, the general a n d specific cond itions conta ined in this permit have be en determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7 -114.5(7)(a ), C .R.S. 19. Each and every condit ion of this permit is a m aterial part he re of and is not severable. Any challen ge to or app eal of a condit ion hereof shall constitute a reject ion of the ent ire permit and u p on such occurrence, this permit shall be deemed denied ab initio. T his permit may be revoked at any time prior to self -certification and final authoriz ation by the Air Pollution Control Division (APC D) on grounds set forth in t he Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failu re to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit a re contested by the applicant, or the Divis ion revokes a per mit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 20 . Section 25-7-114.7(2)(a), C.R.S. requires tha t all sour ces required t o file an Air Pollution Emission N o t ice (APEN) must pay an annual fee to cover the costs of inspections and administration . If a source or activity is to be d iscontinued, the owner m u st notify the Division in writing requestin g a cancellat ion of t h e permit. Upon notification, annual fee billing will terminat e . 21 . Violation of the terms of a permit or of the provisions of the Colorado A ir Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7 -1 15 (enforcement), -121 (injunctions), -122 (civil pen alties), -122.1 (criminal penalties), C .R.S. 22 . This permit replaces the following permit, which is canceled upon issuance of this perm it: AIRS 1D : 045/1046/012 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Permit No. AIRSID 04P01436 77712445/001 By: \, d Carissa Money Permit Engineer P "t H" t erm1 IS Ory Issuance Date Issuance 1 This Issuance Final Approval February 7 , for 04P01436 2007 Initial Approval March 31 , 2005 for 04P01436 AIRS ID: 045/1046/012 Notes Engine-HM06: This equipment will now be covered under this stationary source permit. Description Canceled portable permit 04P01436 and issued as new stationary permit Issued to EnCana Oil & Gas Issued to EnCana Oil & Gas Page 10 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1198 Issuance 1 Notes to Perm it Holder: Colorado Department of Public Health and Environment Air Pollution Control Division 1) The production or raw material processing limits and emission limits contained in th is permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard . A revised a ir pollution emission notice (APEN) and application form must be submitted with a request for a permit rev ision . 2 ) This source is subject to the Common Provisions Regulation Part II , Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E.1. of the Common Provisions Regulation . See: http://www. cdphe. state. co. us/reg ulations/airregs/ 1001 02aqcccommonprovisionsreg. pdf. 3) The follow ing emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncont rolled Emission Are the Con t r o lled AI RS Rate emiss ions Emissi on Poin t Pollutant CAS# B IN (lb/yr) reportable? Rate (lb/yr) Fo r mald ehyde 5000 A 5599 Yes 2800 A c etaldehyde 75070 A 760 Yes 380 Ac ro l e in 107028 A 467 Yes 234 012 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 71432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) The emission levels conta ined in this permit are based on the following emission factors: Point 0 12: Emission Factors -Uncon t ro lled Emission Factors -Contr olled CAS Pollutant l b /MM Btu g /bhp-hr Source lb/MM Btu g /bhp-hr Source NOx 0 .3850 1.5000 Mfg 0.3850 1.5000 Mfg co 0.5673 2 .2100 Mfg 0.0397 0.1547 Mfg voe 0.1258 0.4900 Mfg 0.0629 0.2450 Mfg 5000 Formaldehyde 0.0616 0.2400 Mfq 0.0308 0.1200 Mfg AP-42; Table 75070 Acetaldehyde 0 .0084 0.0326 3.2-2 (7/2000); 0.0042 0.0163 Mfg Natural Gas AP-42 ; Table 107028 Acrolein 0 .0051 0 .0200 3.2-2 (7/2000); 0 .0026 0 .0100 Mfg Natural Gas 67561 Methanol 0 .0025 0 .0097 A P-42 ; Table 0.0013 0 .0049 Mfg 3.2-2 (7/2000); A IRS ID: 0 4 5/1046/012 Page 11 of 17 E nCana Oil & Gas (USA) Inc. P ermit N o . 08GA1198 Issua nce 1 Colorado Department of Public Health and E nvironment Air P ollution Control Division Emission Facto rs -Uncontrolled Emissi on Fa c tors -C ontr olled CAS Po llutant l b/MM Btu g/bhp-hr Source lb/MMBtu I g/bhp-hr Natural Gas AP-42; Table 110543 n-Hexane 0.001 1 0.0043 3.2-2 (7/2000); 0 .0006 0 .0022 Natural Gas AP-42 ; Table 71432 Benzene 0 .0004 0 .0017 3 .2-2 (7/2000); 0 .0002 0 .0009 Natural Gas AP-42 ; Table 108883 Toluene 0 .0004 0 .0016 3 .2-2 (7/2000); 0 .0002 0.0008 Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8,589 Btu/hp-hr, a site-rated horsepower val ue of 1,208, and a fuel heat value of 1,000 Btu/scf. 5) In accordance with C.R.S . 25-7-114.1, the A ir Pollu tant Emission Notice (APEN ) associated w ith this perm it is valid for a term of five years. The fi ve-year term for th is APEN expires o n Nove mber 9, 2013 . A revised APEN shall be submitted no later th an 30 days before th e five-year term e xpires . 6) T his facility is clas sified as follows: Applicable Status Requirement Operating Permit Major Source: NOx, HAPs Syntheti c M inor Source: CO, VOC PSD Synthe tic Minor Source: V OC MACT HH Synthetic Minor Source: Toluene, Total HAP MACT ZZZZ Major Source 7) Full text of the T itle 40 , Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60 : Standards o f Pe rformance for New Stationary So urces NSPS 60.1 -End Subpart A -Su bpart KKKK NSPS Part 60, Appendixes Appendix A-Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Sourc e Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1 199 Subpart AA - Subpart ODD MACT 63.1200-63.1439 S ubpa rt EEE - Subpart PPP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMM M M MACT 63.8980-End Subpart NNNNN -Subpart XXXXXX A IRS ID: 045/1046/012 Pag e 12 of 17 So urce Mfg Mfg Mfg EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Envir onm ent Air Poll ution Control Division ATTACHMENT A: ALTERNATIVE OPERA TING SCENARIOS RECIPROCATI N G INTERNA L C OMBUST I ON ENGINES December 10, 2008 The following Alternative Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines h as been reviewed in accordance with the requirements of Regulation No. 3 ., Part A , Section IV.A , Operational Flexibility-Alternative Operating Scenarios, Regulation No. 3, Part B, Construction Permits, and Regulation No . 3, Part D, Major Stationary Source New Source Review and Prevention of Significant Deterioration , and it has been found to meet all applicable substantive and procedural requirements. This permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS , and the permittee shall be allowed to perform such engine replacement without applying for a rev ision to th is permit or obtain ing a new Constructi on Perm it A 1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor eng ine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days or less in any 12 month period. "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period . The 90 days is the total number of days that t he engine is in operation . If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring required by this AOS a re in addition to any compliance demonstrations or periodic monitoring required by this permit. All replacement eng ines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping). The results of all tests and the associated calculations requ ired by this AOS shall be submitted to the Division within 30 calendar days of the test or within 60 days of the test if such testing is required to demonstrate compliance with NSPS or MACT requirements . Results of all tests shall be kept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this permit, and the manufacturer, model number, horsepower, and serial number of the replacement engine. In addition to the log, the permittee shall maintain a copy of all Applicability Reports required under section A.1 .2 and make them available to the Div ision upon request. A.1 .1 The permittee may temporarily replace an existing compressor engine that is subject to the emission limits set forth in this permit w ith an engine that is of the same manufacturer, model , and horsepower or a different manufacturer, model , or horsepower as the existing engine without modifying this permit. so long as the emissions from the temporary replacement engine comply w ith the emission limitations for the exi sting permitted eng ine as determined in section A.2 . Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2. A.1 .2 The permittee may permanently replace the existing compressor engine w ith an engine that is of the same manufacturer, model and horsepower w ithout modifying this permit so long as the emission s f rom the permanent replacement engine comply with 1) the permitted annual emissi on limitations for the A IRS ID : 04 5/1046/012 P age 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine , 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice {APEN) for the replacement engine (see http://www.cdphe.stateco.us/ap/oilgaspermittinq .html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2 .2. An Air Pollutant Emissions Notice (APEN) that includes the specific manufacturer, model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee , a cover letter explain ing that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a c opy of the relevant Applicability Reports for the replacement engine. Example Applicability Reports can be found in at http://www.cdphe.state.co.us/ap/oilgaspermittinq.html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information inclu ded in the submittal are true , accurate and complete". T his AOS cannot be used for permanent engine repl acement of a gran dfathered or permit ex empt engine or an engine that is not subject to emi ssion limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portab le Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Unit to d iscuss streamlin ing the testing requirements. Note that the testing required by this Cond ition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time period (i.e . if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition, if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine u sing a portable flue gas analyzer within seven (7) c alendar days of commencing operation of the replacement engine. All portable analyzer testing requ ired by this permit shall be conducted using the D ivision's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at: http://www.cdp he .state.co.us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison w ith an annual (tons/year) or short term (lbs/unit of time) emission limit , the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to monitor compliance. If a source is not limited in its hours of operation the test resu lts w ill be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/012 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mm Btu), output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to , the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitations, in the absence of credible evidence to the contrary, the source may certify that the engine is in compliance with both the NOX and CO emission limitations for the relevant time period . Subject to the provisions of C .R.S. 25-7-123.1 and in the absence of credible evidence to the contrary , if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A.3 Applicable Regulations for Permanent Engine Replacements A.3 .1 Reasonably Available Control Technology (RACT): Reg 3 , Part B § 11.D.2 All permanent replacement engines that are located in an area that is classified as attainmenUmaintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainmenUmaintenance or nonattainment. Note that both VOC and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainmenUmaintenance or nonattainment, except as follows: In the Denver Metropolitan PM10 attainmenUmaintenance area, RACT applies to PM10 at any level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM10: The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331 ) and 40 CFR Part 72 (§ 72.2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Emission Standards: Regulation No. 7 , Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area is subject to the applicable control requirements specified in Regulation No. 7 , section XVI , as specified below: Rich burn engines with a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission. AIRS ID : 045/1046/012 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2. Emission Standards: Section XVII. E -State-only requirements Any permanent engine that is either constructed or relocated to the state of Colorado from anothe~ state , after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below· Max Engine Construction or Emission Standards in G/hp-hr HP Relocation Date -NOx co voe 100<Hp<500 January 1, 2008 2.0 4.0 1.0 January L 2011 1.0 2.0 0.7 500:SHp July 1, 2007 2.0 4.0 1.0 July 1, 2010 1.0 2.0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp, 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ . An analysis of applicable monitoring, recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1.2. Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Division , provided that such test is conducted within the time frame specified in Condition A.2. Note that under the provisions of Regulation No. 6. Part B, section I. 8 . that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subj ect to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B, § l.B (which is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. AIRS ID: 045/1046/012 Page 16 of 17 EnCana O i l & Gas (USA) Inc. Permit No. 08GA1198 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating internal combustion eng ine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ A.3.4 .1 Area Source for HAPs A permanent replacement eng ine located at an area source t hat commenced construction or reconstruction after June 12, 2006 as defined in§ 63.2, will meet the requ irements of 40 CFR Part 63, Subpart ZZZZ by meeting the requirements of 40 CFR Part 60, Subpart JJJJ . An analysis of t he applicable monitoring, recordkeeping , and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2 . Any testing required by the MACT is in addit ion to that required by this AOS. Note that the in iti al test required by the MACT can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. A.4.3.2 Major source for HAPs A permanent replacement engine that is located at major source is subject to the requirements in 40 CFR Part 63 Subpart ZZZZ as follows: Existing , new or reconstructed spark ignition 4 stroke rich burn eng ines with a site rat ing of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines w ith a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements in 40 CFR Part 63 Subpart zzzz . New or reconstructed (construction or reconstruction commenced after 6/12106) 2 stroke lean burn or 4 stroke rich burn engines w ith a site rating of 500 hp or less will meet the requ irements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ . New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of less than 250 hp w ill meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ . An analysis of the applicable monitoring, recordkeeping , and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2 . Any testing required by the MACT is in addition to that required by this AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2 . A.3.5 Additional Sources The replacement of an existing engine with a new eng ine is viewed by the Division as the installation of a new emissions unit, not "routine replacemenr of an existing unit The AOS is therefore essentially an advanced construction permit review. The AOS cannot be used for additional new emission points for any site; an eng ine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating permitting process prior to installati on . AIRS ID: 045/1046/012 Page 17 of 17 STATE OF COLORADO C OLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3 150 CONSTRUCTION PERMIT PERMIT NO : DATE ISSUED : ISSUED TO: 08GA1199 JUL 3 1 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas compression facility, known as the H igh Mesa Compressor Station, located in SENW Section 36, T ownship 7S, Range 96W, in Garfield County, Colorado. THE S PECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INC LUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID One (1 ) Caterpillar, Model G3516LE , Serial Number 4EK04857, natural gas-fired , turbo-charged , 4SLB reciprocating internal HM01 013 combustion engine, site rated at 1,208 horsepower at 1,400 RPM . This engine sh all be equipped with an oxidation cata lyst and air- fuel ratio cont rol. This emission unit is used f or natural gas compression. This engine may be replaced w ith another engine in accordance with the temporary engine replacement provision or with another Caterpillar G35 16 LE engine in accordance with the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this perm it as Attachment A. THIS PER MIT IS GRANT ED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLO RADO AIR QUALITY CONTROL COMMISSION AND THE C OLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C .R.S . (25-7-101 et seq), TO THOSE GENERAL TERMS AND C ONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1 . T his construct ion permit represents final permit approval and authority to operate this emiss ions source (Regulation 3 , Part B, Sect ion 11 1.G.5). AIRS ID: 045/1046/013 Page 1 of 17 NGEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LIMITATIONS AND RECORDS 2. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section 11.A4) M hi L .. ont ly 1m1ts: Facility AIRS Pounds per Month Equipment ID Po int NOx voe co Emission Type HMOI 013 2972 486 306 Point Monthly limits are based on a 31-day month. Annual Limits: Facility AIRS Tons per Year Equipment ID Point NOx voe co Emission Type HM01 013 17 5 2.9 1.8 Point See "Notes to Permit Holder #4 for information on emission factors and methods used to calculate limits. During the first twelve (12) months of operation, compliance with both the monthly and yearly emission limitations sha ll be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Compliance with the synthetic minor status of this facility shall be determined by recording the facility's annual criteria pollutant emissions, from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site, or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all emission units, requiring an APEN , at this facility. 3. This engine shall be equipped with an oxidation catalyst and air-fuel ratio control. The selective oxidation catalyst shall be capable of reducing uncontrolled emissions of voe and CO from the unit to the emission levels listed in Condition 2 , above . Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3 , Part B , Section 111.E .) PROCESS LIMITATIONS AND RECORDS 4. This source shall be limited to the following maximum consumption, processing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regul ation 3, Part 8 , 11.A.4) P /C L .. rocess onsumpt1on 1m1ts Facility AIRS Annual Monthly Equipment Point Process Parameter Limit Limit (31 ID days) HM01 013 Consumption of natural gas as a 90.9 7 .72 fuel MMscf/yr MMscf/month AIRS ID: 045/1046/013 Page 2 of 17 I EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division During the first twelve (12) months of operation, compliance with both the monthly and yearly consumption limitations shall be required. After the first twelve (12) months of operation, compliance w ith only the yearly limitation shall be required . Compliance with the yearly consumption limits sha ll be determined on a rolling twelve ( 12) month total. By the e nd of each month a new twelve-month total is calculated based on the previous twelve months' data. T he permit holder shall calculate monthly consumption of natural gas and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULA TORY REQUIREMENTS 5. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six m inutes in any sixty consecutive minutes. (Ref erence: Regulation No. 1, Section 11.A.1 . & 4 .) 6. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 7. The permit number and AIRS ID number shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3 , Part 8 , 111.E.) (State only enforceable) 8 . This source is subject to the requirements of: • Regulation No. 8, Part E , Subpart 11/.FFFF: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Part E, Subpart I.A, National Emission Standards for Hazardous A ir Pollutants for Source Categories: General Provi sions, 40 CFR Part 63 including, but not limited to, the following: • Emission a nd Ope ra t ing Limitations o 63.6 6 0 0(b ) -If you own or operate a new or reconstructed 4SLB stationary RICE w ith a site rating of more than 500 brake HP located at major source of HAP emissions you must comply w ith the following emission limitations (Table 2a, Subpart ll.ZZ to Part 63): • reduce CO emissions by 93 percent or more; or • limit concentration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. AIRS ID: 045/1 046/013 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart ZZZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • mai ntain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • General Compliance Requirements o §63 .6605(a) -You must be in com pliance with the emission li mit ations and operating li mitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63.6605(b) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE, i ncluding air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times, includi ng during startup, shutd own , and malfunction. • Testing and Initial Compliance Requirements o §63.6610(a) -You must conduct the initial performance test or other initial compliance demonstrations in T able 4 to Subpart ZZZZ of Part 63 that apply to you within 180 days after the compliance date that is specified for your stationary RICE in §63.6595 and according to the provisions in §63.7(a)(2). o §63.6615 -If you must comply w ith the emission lim itations and operating limitations, you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limitation, or you deviate from any of your operati ng limitations, you must resume semiannual performance tests. o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZZZZ of Pa rt 63 that apply to you . o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requi rements in §63.8. AIRS ID: 045/1046/013 Page 4 of 17 EnCan a Oil & Gas (USA) Inc. Permit No. 08GA1199 Issuance 1 Colorado Department of Public Health a nd Environment A i r Pollution Control Division o §63.6630(a) -You must demonstrate initial compliance with each emission and operating lim itation that applies to you accordin g to Table 5 of Subpart llll to Part 63. o §63.6630(b) -During the initial performance test, y ou must establish eac h operating limit ation in Tables 1 band 2b of Subpart ZllZ to Part 63 that applies to you . o §63.6630(c) -You must submit the Notification of Compliance Status containing the results of the i nitial compliance demonstration according to the requirement s in §63.6645. • Continuous Compliance Requirements o §63.6635(b) -Except for monitor malfun ctions , associated repairs , a n d required quality assurance or cont rol activities (includ ing , as a pplicable, calibrat ion checks and required zero and span adjustments), you must monitor contin uously at a ll t imes that the stationary RICE is operati ng . o §63.6635(c) -You m a y not use d at a recorded during monitoring m a lfunctions, associated repairs, and required quality a ssurance or control activities in data averages and c alculat ions used to report emission or operating levels. You must, however, us e all the valid data collected d uring all other periods. o §63.6640(a) -You must d emonstrate continuous compliance with each emission l imitation and o p erating limitation in T ables 1 a and 1 b and Tables 2a and 2b of subpart ll2Z of Part 63 that apply to you accord i ng to methods specified i n Table 6 of Subpart ZZZZ of P art 63. o §63.6640(b) -You must report each inst a n ce in which you did not m e et each emission limitation or operating li mitation in Tables 1 a and 1 b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . These inst a nces are deviations from the emission and operating limit ations in this subp art. T h ese deviations must be reported according to the requi rements in §63.6650. If you change you r cataly st , y ou must r eestablish the values of the operating parameter s measured du r ing the initial performan ce test. When you reestablish the val ues of your operat ing parameters, you must also conduct a performance test to demonstrate that you are meeting the required emission limitation applic ab le to your stat ionary RICE. o §63.6640(d) -Consistent w ith §§63.6(e) and 63.7 (e)(1 }, deviations from the emission o r operati ng lim itations t hat occur during a per iod of startup, shutdown, or m alfunction are not violations if y ou demonstrate to t he A d ministrator's sat isf action that you were operating in accord ance with §63.6 (e)(1 ). F or new, reconstructed, and rebuilt stat ionary RI CE, deviations from the emission or operating limitations that occur during t he first 200 hours of operation from engi ne startup (engine burn-in period) are not violations. A IRS ID: 045/1046/013 Page 5 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6640(e) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart ZZZZ to Part 63 that apply to you . • Notifications, Reports and Record s o §63.6645(a) -If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.7(b) and (c), 63.8(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified. o §63.6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(g) -If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63.7(b)(1). o §63.6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart ZZZZ to Part 63, you must submit a Notification of Compliance Status according to §63.9(h}(2)(ii). • §63.6645(h)(2) -For each initial compliance demonstration required in Table 5 of Subpart ZZZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63.1 O(d)(2). o §6 3.6650(a) -You must submit each report in Table 7 of Subpart ZZZZ to Part 63 that applies to you. o §63 .6650(b) -You must submit each report by the date in Table 7 of Subpart ZZZZ to Part 63 and according to the requirements in paragraphs (b)(1) through (5) of §63 .6650. o §63.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63.66 50 (e) -F or each deviation from an emission or operating limitation occurring for a stationary RICE where yo u are using a C M S to comply with the emission and operating limitations in Subpart ZZZZ to Part 63, you must include mformat1on in paragraphs (c)(1) through (4) and (e)(1) through (12) of §63.6650. AIRS ID: 045/1046/013 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Depart ment of Public Health and Environment Air Pollution Control Division o §63.6655(a) -If you must comply with the emission and operating limitations, you must keep the records described in §63 .6655(a)(1) through (a)(3), §63.6655 (b){1) through (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records req u ired in T able 6 of Subpart ZZZ.Z of Part 63 to show continuous complian ce with each emission or operating limitation that applies to you. o §63.GGGO(a) -Your records must be in a form suitable and readily available for expeditious review according to §63.1 O(b)(1 ). o §63.6660(b) -As specified in §63.1 O(b)(1 ), you must keep each record for 5 years following the date of each occurre nce, measurement, maintenance, cor rective action , report, or record . o §63.6660(c) -You must keep each record readily accessible in h ard copy or electronic form on-site for at least 2 years after the date of each occurrence, measurement, maintenance, cor rective action, report, or record, according to §63.10(b)(1 ). You c an keep the records off-site for the remaining 3 years. • Other Requirements and Information o §63.6665 -Table 8 t o th is subpart shows which parts of the General P rovisions in §§63.1 through 63.15 ap ply to you . OPERATING & MAINTENANCE REQUIREMENTS 9. Upon startup of this point, the applicant sha ll follow the operating and maint enance (O&M ) plan and record keeping format approved by the Division , in order to demon strate complian ce on an ongoing basis with the req uirem ent s of this permit. Revisions to your O&M plan are subject to D ivision approval prior to implementation. (Reference: Regulation No. 3 , Part B , Section 111 .G.7.) COMPLIANCE TESTING AND SAMPLING Periodic Testing Requirements 10. T his engine is subject to the periodic testing requirements of 4 0 C .F.R Part 63, Subpart ZZZZ . 11 . This engine is subject to the periodic t esting requirements as specified in the operating and maintenance (O&M) plan as approved by the Division. Revisions to your O&M plan are subject to Division approval. Replacements of this unit completed as Alternative Operating Scenarios may be subject to additional testing requirements as specified in Attachment A. A I RS ID: 045/1046/013 Page 7of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL R EQ UI REMENTS 12. A revised Air Pollutant Emission Notice (APEN) shall be filed : (Reference: Regulation No. 3 , Part A, 11.C) a . Annually whenever a significant increase in emissions occurs as follows : For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility , process, or activity; or c. Whenever new c ont rol equipment is installed, or whenever a d ifferent type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires. f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine. 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14 . Prev ention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by v irtue of a relax ation in any permit condition . Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted . (Regulation No. 3 Part D , Vl.B.4) GENE RA L TERM S AND CONDITIONS: 15. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/013 Page 8 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA1199 Issuance 1 Colorado Department of P ubl ic Health and Environment Air Pollution Control Division AQCC Regulation No. 3, Part B , Section 11.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee . 16 . Issuance of a construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C .R.S. and AQCC Regulation No. 3 , Part B, Section 111.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the A PC D as conforming in all respects with the condit ions of the permit. Once self-certificat ion of all points has been reviewed and approved by t he Division , it will provide written documentation of such final authorization . Details for obtai ning final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 17. T his permit is issued in reliance upon the accuracy and completeness of informat ion supplied by the appl icant and is conditioned upon conduct of the activit y , or construction, installation and operation of the source, in accordance with this information and with represent ations made by the applicant or applicant's agents . It is valid only for the equipment and operations or activity specifically identified on the permit . 18. Unless sp ecifica lly stated otherwise, the gene ral and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S . 19 . Each and every condition of this perm it is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitut e a rejection of the e ntire permit and upon such occurrence , t his permit shall be deemed denied ab initio. T his permit may be revoked at any t ime prior to self-cert ification and final authoriz ation by the Air Pollution Control Division (APC D) on grounds set forth in the Colorado A ir Quality Control Act and regulations of the A ir Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are con tested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division 's action. 20. Section 25-7-114.7 (2)(a), C .R.S . requires that all sou rces requi red to file an Air Pollution E mission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon not ification, annual fee billing wi ll term inate . 21 . Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of t he AQCC may result in administrative , civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S . 22 . This permit replaces the following permit, which is canceled upon issuance of this permit: AIRS ID: 045/1046/013 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Permit No. AIRS ID Notes 05P00963 777126601001 Engine-~M01 :. This equipment wi.11 now be covered I under this stationary source permit. By: Carissa Money Permit Engineer ,})~ p "t H" t erm1 1s orv Issuance Date Issuance 1 This Issuance IA, Modification July 17, 2007 No. 1 for 05P00963 Initial Approval April 14, 2006 for 05P00963 AIRS ID: 045/1046/013 Description Canceled portable permit 05P00963 and issued as new stationary permit Change in fuel use, emissions, addition of control equipment Issued to EnCana Oil & Gas Page 10 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1199 Issuance 1 Notes to Permit Holder: Colorado Department of Public Health and Envi ronment A ir P o ll ution Control Division 1) The production or raw material processi ng limits and emission limits contained in th ~s permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard . A revised air pollution emission notice (APEN) and application form must be subm itted with a request for a permit revision . 2) This source is subject to the Common Provisions Regulation Part II , Subpart E , Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in t·his permit as soon as possible , but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E.1 . of the Common Provisions Regulation . See: http://www.cdphe.state.co.us/regulations/airregs/100102aqcccommonprovisionsreg.pdf. 3) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as ind icated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncon t r o lled Emission Are t he Con trolled AIRS Rate emissions Emissio n Poin t P o llutant CAS# B IN {lb/yr) reportable ? Rate (lb/yr) Formaldehyde 5000 A 5599 Yes 2800 A cetaldehyde 75070 A 760 Yes 380 Acr olein 107028 A 467 Yes 234 013 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 71432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) The emission levels contained in this permit are based on the following emission factors: Point 0 13: Emissi o n Factors -Uncontrolled Emission Factors -Controlled CAS Pollutant lb/M M Btu g/bhp-hr Sour c e lb/MM Btu g /bhp-hr Source NOx 0 .3850 1.5000 Mfg 0.3850 1.5000 Mfg co 0.5673 2 .2100 Mfq 0.0397 0 .154 7 Mfq voe 0 .1258 0.4900 Mfq 0.0629 0.2450 Mfq 5000 Formaldehyde 0.0616 0 .24 00 Mfg 0.0308 0 .1200 Mfg AP-42; T able 75070 Acetaldehyde 0.0084 0.0326 3.2-2 (7/2000); 0.0042 0 .0163 Mfg Natural Gas AP-42; Table 107028 Acrolein 0.0051 0.0200 3.2-2 (7/2000); 0.0026 0.0100 Mfg Natural Gas 67561 Methanol 0 .0025 0.0097 AP-42 ; Table 0.0013 0.0049 Mfg 3.2-2 (7/2000); AIRS ID : 0 45/104 6/013 P age 11of17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issua nce 1 Colorado Department of Public Health and Environment Air Pollution Control Division Emission Factors -Uncontrolled Emissi on Factors -Co ntrolled CAS Po llut ant l b/MMBtu g /bhp-hr Sou rce lb/MM Btu g /bhp-hr Natural Gas AP-42 ; T able 110543 n-Hexane 0 .0011 0.0043 3.2-2 (7/2000); 0 .0006 0.0022 Natural Gas AP-42; Table 71432 Benzene 0.0004 0.0017 3.2-2 (7/2000); 0 .0002 0.0009 Natural Gas AP-42 ; Table 108883 Toluene 0.0004 0.0016 3.2-2 (7/2000); 0 .0002 0.0008 Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8 ,589 Btu/hp-hr, a site-rated horsepower value of 1,208, and a fuel heat value of 1,000 Btu /scf. 5) In accordance with C .R S. 25-7-114 .1, the Air Pollutant Emission Notice (APEN) associated w ith this permit is valid for a term of five years. The five -year term for this APEN expires on November 9 , 20 13. A revised APEN shall be submitted no later than 30 days before the five-year term expires. 6) T his facility is clas sified as follows: Applicable Status Requirement Operating Permit Major Source: NOx, HAPs Synthetic Minor Source : CO, VOC PSD Synthet ic Minor Source: VOC MACT HH Synthetic Minor Source: Toluene, Total HAP MACT U.Z.Z. Major Source 7) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulat ions can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards of Pe rfor mance for New Stati onary So urc es NSPS 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Appendixes Append ix A -Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Su bpart EE E -Subpart P PP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart U.Z.Z. -Subpart MMMMM MACT 63.8980-End Subpart NN NNN -Subpart XXXXXX AIRS ID: 045/104 6/013 P age 12 of 17 Source Mfg Mfg Mfg I EnCana Oil & Gas (USA) Inc. Permit No . 08GA 1199 Issuance 1 Colorado Department of P ublic Health and Environment Air Pollution Control Division ATTACHMENT A : ALTERNATIVE OPERATING SCENARIOS REC IPROCAT ING INTERNAL COMBUSTION ENGINES December 10, 2008 The following Alternative Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance with the requirements of Regulation No. 3., Part A , Section IV.A, Operational Flexibility-Alternative Operating Scenarios, Regulation No. 3, Part 8 , Construction Permits , and Regulation No . 3, Part D, Major Stationary Source New Sou rce Review and Prevention of Significant Deterioration, and it has been found to meet all applicable substantive and procedural requirements. This permit incorporates and shall be considered a Construct ion Pe rmit for any engine replacement performed in accordance with this AOS, and the permittee shall be allowed to perform such engine replacement without applying for a revision to this permit or obtaining a new Construction Permit. A.1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor engine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days or less in any 12 month period. "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period. T he 90 days is the total number of days that the engine is in operation . If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring required by this AOS are in addition to any compliance demonstrations or periodic monitoring required by this permit. All replacement engines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping). The results of all tests and the associated calculations required by this AOS shall be submitted to the Division within 30 calendar days of the test or wit hin 60 days of the test if such testing is req uired to demonstrate compliance with NSPS or MACT requirements. Results of all tests shall be kept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine re placement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this permit, and the manufacturer, model number, horsepower, and serial number of the replacement engine. In addition to the log , the permittee shall maintain a copy of all Applicability Reports required under section A.1 .2 and make them available to the Division upon request. A.1 .1 T he permittee may temporarily replace an existing compressor engine that is subject to the emission limits set forth in this permit with an engine that is of the same manufacturer , model , and horsepower or a different manufacturer, model, or horsepower as the existing engine without modifying this permit, so long as the emissions from the temporary replacement engine comply with the emission limitations for the existing permitted engine as determined in section A.2 . Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2 . A.1 .2 The permittee may permanently replace the existing compressor engine with an engine that is of the same manufacturer, model and horsepower without modifying this permit so long as the emissions from the permanent replacement engine comply with 1) the permitted annual emission limitations for the AI RS ID : 045/1046/013 Page 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine, 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www.cdphe.state.co.us/ap/oilgaspermitting .html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2.2. An Air Pollutant Emissions Notice (APEN) that includes the specific manufacturer, model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the relevant Applrcability Reports for the replacement engine. Example Applicability Reports can be found in athttp://www.cdphestate.co.us/ap/oilqaspermittinq.html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true , accurate and complete". This AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances. please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time period (i.e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition , if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine using a portable flue gas analyzer within seven (7) calendar days of commencing operation of the replacement engine. All portable analyzer testing required by this permit shall be conducted using the Division's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division 's website at: http://www.cdphe.state.co.us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit For comparison with an annual (tons/year) or short term (l bs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to monitor compliance. If a source is not limited in its hours of operation the test results will be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/013 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mmBtu), output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to, the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitations, in the absence of credible evidence to the contrary , the source may certify that the engine is in compliance with both the NOX and CO emission limitations for the relevant time period. Subject to the provisions of C.R.S. 25-7-123.1 and in the absence of credible evidence to the contrary, if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offline. A.3 Applicable Regulations for Permanent Engine Replacements A.3.1 Reasonably Available Control Technology (RACT): Reg 3, Part B § 11.D.2 All permanent replacement engines that are located in an area that is classified as attainment/maintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainment/maintenance or nonattainment. Note that both voe and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainment/maintenance or nonattainment, except as follows: In the Denver Metropolitan PM10 attainment/maintenance area, RACT applies to PM10 at any level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX or S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines: voe: CO: NOX: S02: PM10: The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331) and 40 CFR Part 72 (§ 72.2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Emission Standards: Regulation No. 7 , Sections XVI. and XVl l.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area is subject to the applicable control requirements specified in Regulation No. 7 , section XVI , as specified below: Rich burn engines with a manufacturer's design rate greater than 500 hp shall use a non- selective catalyst and air fuel controller to reduce emission. A I RS ID: 045/1046/013 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports requ ired under Condition A.1 .2 . Emission Standards: Section XVII. E -State-only requirements Any permanent engine that is either constructed or relocated to the state of Colorado from another state, after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below: I Max Engine Cons truction or Emiss ion Standards in G/hp-hr HP Relocation Date NOx co voe IOO<Hp<500 January 1. 2008 2.0 4.0 1.0 January L 2011 1.0 2 .0 0.7 500.:SHp July 1, 2007 2.0 4.0 1.0 July 1, 2010 1.0 2.0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A.1 .2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp , 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, record keeping , and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2. Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2 . Note that under the provisions of Regulation No. 6 . Part B, section I. B. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal Jaw. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B. § J.B (which is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. AIRS ID: 045/1046/013 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1199 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A3.4 Reciprocating internal combustion engine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ A.3.4.1 Area Source for HAPs A permanent replacement eng ine located at an area source that commenced construction or reconstruction after June 12, 2006 as defined in § 63.2, will meet the requirements of 40 CFR Part 63, Subpart ZZZZ by meeting the requirements of 40 CFR Part 60, Subpart JJJJ. An analysis of the applicable monitoring , recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2 . Any testing required by the MACT is in add it ion to that required by this AOS . Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A2, if approved in advance by the Division, provided that such test is conducted with in the time frame specified in Condition A.2. A4.3.2 Major source for HAPs A permanent replacement eng ine that is located at maj or source is subject to the requirements in 40 CFR Part 63 Subpart ZZU as follows: Existing , new or reconstructed spark ign it ion 4 stroke rich burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZU. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements in 40 CFR Part 63 Subpart ZUZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 2 stroke lean burn or 4 stroke rich burn engines w ith a site rating of 500 hp or less will meet the requ irements of 40 CFR 63, Subpart Z2.Z2. by meeting the requirements of 40 CFR 60, Subpart JJJJ . New or reconstructed (construction or reconstruction commenced after 6 /12/06) 4 stroke lean burn engines with a site rating of less than 250 hp will meet the requirements of 40 CFR 63, Subpart UU by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitoring , recordkeeping , and reporting requirements for the permanent engine replacement shall be included in the Applicabil ity Reports required under Condition A.1 .2. Any testing required by the MACT i s in addit ion to that required by this AOS. Note that the initial test required by the MACT can serve as the testi ng required by th is AOS under Condition A2, if approved in advance by the Division , provided that such test is conducted within the time frame specified in Condition A.2 . A.3.5 Additional Sources The replacement of an existing engine with a new engine is viewed by the Division as the installation of a new emissi ons unit, not "routine replacement" of an existing unit. The AOS is therefore essentially an advanced const ruction permit review. The AOS cannot be used for additional new emission points for any s ite; an eng ine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating permitting process prior to installation. AIRS ID: 045/1046/013 Page 17 of 17 STATE OF COLORADO C OLORADO DEPARTMENT OF PUBLIC H EALT H A ND ENV IRONMENT AIR POL LUTION CONTROL DIVISION TELEPHONE: (303) 692-31 50 CONSTRUCTION PERMIT PERMIT NO : DATE ISSU ED : ISSUED TO: 08GA1200 JUL 3 1 2009 EnCana Oil & Gas (USA) Inc. Issuance 1 THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas compression faci lity, known as the High Mesa Compressor Station , located in SE NW Section 36, Township 7S, Range 96W, in Garfield County, Colorado . T HE SPEC IFIC EQUIPMENT OR A CTIVITY SUBJECT TO THIS PERMIT INC LUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID One (1 ) Caterpillar, Model G3516LE, Serial Number 4EK04855, natural gas-fired, turbo-charged , 4SLB reciproca ting internal HM02 0 14 combustion engine , site rated at 1,208 horsepower at 1,400 RPM . This engine shall be equ ipped with an oxidation catalyst and air- fuel ratio cont rol. This emission unit is used for natural gas compression. This engine may be repl aced with another engine in accordance with the temporary engine replacement provision or with another Caterpillar G351 6LE engine in accordance with the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this permit as Attachment A THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLO RADO AIR QUALITY C ONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL AC T C .R.S . (25-7-101 et s eq ), TO T HOSE GENERAL TERMS ANO CONDITIONS INC LUDE D IN T HIS D OCUMENT AND T HE FOL L OWING SPEC IFIC TERMS AND CONDITIONS: REQUIREM E NTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. This construction permit represents final perm it approval and authority to operate this em iss ions source (Regulation 3, Part 8 , Section 11 1.G.5). AIRS ID: 045/1046/014 Page 1 of 17 NGEngine Version 2008-1 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division EMISSION LIMITATIONS AND RECORDS 2 . Emissions of air pollutants shall not exceed the following limitations (as calculated i n the Division's preliminary analysis). (Reference : Regulation No. 3, Part B , Section 11 .A.4) M thl L" . on IV 1m1ts: Facility AIRS Pounds per Month Equipment ID Point NOx voe co Emission Type HM02 014 2972 486 306 Poi nt Monthly limits are based on a 31-day month. Annual Limits: Facility AIRS Tons per Year Equipment ID Point NOx voe co Emission Type HM02 014 17.5 2.9 1.8 Point See "Notes to Permit Holder #4 for information on emission factors and methods used to calculate limits. During the first twelve (12) months of operation , compliance with both the month ly and yearly emission limitations shall be required. After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Compliance with the synthetic minor status of this facility shall be determined by recording the facility's annual criteria pollutant emissions, from each emission unit, on a rolling (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site , or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all emission units, requiring an APEN , at this facility . 3. This engi ne shall be equipped with an oxidation catalyst and air-fuel ratio control The selective oxidation catalyst shall be capable of reducing uncontrolled emissions of VOC and CO from the unit to the emission levels l isted in Condition 2 , above. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference. Regulation No.3 , Part 8 , Section 111.E .) PROCESS LIMITATIONS AND RECORDS 4 . This source shall be limited to the following maximum consumption, proc essing and/or operational rates as listed below. Monthly records of the actual consumption rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3 , Part 8 , 11.A.4) P /C f L " . rocess onsump ion 1m1ts Facility AIRS Annual Monthly Equipment Point Process Parameter Limit Limit (31 ID days) HM02 014 Consumption of natural gas as a 90.9 7 .72 fuel MMscf/vr MMscf/month AIRS ID: 045/1046/014 Page 2 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division During the first twelve (12) months of operation , compliance with both the monthly and yearly consumption limitations shall be required. After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Com pliance wit h the yearly consumption limits s hall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve month s ' data. T he permit h older shall calculate monthly consumption of n atura l gas and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 5 . Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecut ive minutes. (Reference: Regulation No . 1, Section 11.A.1 . & 4 .) 6. T his source is subject to the odor requir ements of Regulation No. 2 . (State only enforceable) 7. T he permit number and AI RS ID number shall be marked on the subject equipment for ease of identificati on. (Reference: Regula tion N umber 3 , Part B, 111.E.) (State o nly enforceable) 8. T his source is subject to the require ments of: • Regulation No. 8, Part E , Subpart 111.FFFF: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation No. 8, Part E, Subpart I.A, National Emission Standards for Hazardous Air Pollutants for Source Categories: General Provisions, 40 CFR Part 63 including, but not limited to , the following : • Emission and Operating Limitations o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RIC E with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following emis sion limitations (T able 2a, Subpart ZZZZ to Part 63): • redu ce CO emissions by 93 percent or more; or • limit concent ration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. AIRS ID: 045/1046/014 Page 3 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b, Subpart ZZ.ZZ to Part 63): • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load p lus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test; and • maintain the temperature of your stationary RICE exhaust so that the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • General Complia nce Re quireme nts o §63 .660 5(a) -You must be in compliance with the emission limitations and operating limitations in this subpart that apply to you at all times, except during periods of startup, shutdown, and malfunction. o §63.6605(b ) -If you must comply with emission limitations and operating limitations, you must operate and maintain your stationary RICE, including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing emissions at all times, including during startup, shutdown , and malfunction. • Testi ng and Initial Compliance Requirements o §63.6610(a) -You must conduct the initial performance test or other initial compliance demonstrations in Table 4 to Subpart ZZ.ZZ of Part 63 that apply to you w ithin 180 days after the compliance date that is specified for your stationary R ICE in §63.6595 and according to the provisions in §63.7(a)(2). o §6 3.6615 -If you must comply with the emission limitations and operating limitations. you must conduct subsequent performance tests semiannually (as per Table 3 of Subpart ZZ.ZZ to Part 63). After you have demonstrated compliance for two consecutive tests, you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent annual performance test indicate the stationary RICE is not in compliance w ith the CO or formaldehyde emission limitation, or you deviate from any of your operating limitations, you must resume semiannual performance tests. o §63.6620 -You must conduct performance test and other procedures in §63.6620 and in Tables 3 and 4 to Subpart ZZ.ZZ of Part 63 that apply to you. o §6 3.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install, operate, and maintain each CPMS according to the requirements in §63.8 . AIRS ID: 045/1046/014 Page 4 of 17 EnCana O i l & G a s (USA) Inc. Permit No. 08GA1200 Issuance 1 Colorado Departm ent of P ublic Health and Environm ent Air Poll ution C ontrol Div ision o §63.6630(a) -You must demonstrate in itial compliance with each emission and operating limitation that applies to you according t o T able 5 of Subpart zzzz to Part 63. o §63.6630(b) -During the in it ial performance test, you m ust establish each operating l imitation in T ables 1 band 2b of Subpart Z ZZZ to P art 63 that applies to you. o §63.6630(c) -You must s u bmit the Notification of Compliance Status containing the results of t h e initial compliance demonstration according to the requirements in §63.6645. • Continuous Compliance Requirements o §63.6635(b) -Except for monitor malfunction s , associa ted repa irs , an d r equi red quality assurance o r control activities (including, as a p plicable , calibration checks and req u ired zero and span adjustments), you must monitor cont inuously at a ll times that the station ary RICE is operating. o §63.6635(c) -You may not use d ata recorded during monitoring malfunctio n s , associate d repairs, and required qualit y assurance or control act ivities in data averages and calculations used to report emission o r operating levels. Y ou must, however, use all the v al id data collected during all other periods. o §63.6640(a) -You must demonstrate continuous compliance w ith each emission limitation and operating limitation in T ables 1 a and 1 b and T ables 2a and 2b of subpart ZZZZ of Part 63 that apply to you ac cordi ng to methods specified in Table 6 of Subpart ZZZZ of P art 63. o §63.6640(b) -You must report each instance in which you did not meet each emission limit ation or oper ating limitation in T ables 1a and 1 b and T a bles 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . T hese instances are deviations f rom the emission and oper at ing limitations in t h is subpart. These deviations must be reported according to the requirements in §63.6650. If you change your catalyst, you must reesta blish the values of the operating parameters m e asured during the in it ial performance test. When you reestablish the values of your operating parameters, you must also conduct a performance test to demonstrat e that you are meeting t he requir ed emission limitation applicable to your st ationary R ICE. o §63.6640(d) -Consistent with §§63.6(e) and 63.7(e)(1 ), deviations from the emission or operating limitations that occur during a period of st artup, shut down, or malfunction are not violations if you demonstrate to the Administrator's satisfaction that you were operating in accordance wit h §63.6(e)(1 ). F or new, reconstructed, and rebuilt stationary RI C E , deviations from the emission or operating limitations that occur during the first 200 hours of operation from engine startup (engine burn-in period) are not violations . A I RS I D : 045/1046/014 Page 5 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63 .6640(e ) -You must also report each instance in which you did not meet the requirements in Table 8 of Subpart ZllZ to Part 63 that apply to you. • No tific ations , Re po rts and Records o §63.6645(a) -If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions you must submit all of the notifications in §§63.7(b) and (c), 63.S(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified . o §63.6645(c) -If you start up your new or reconstructed stationary RICE with a site rating of more than 500 brake HP located at a major source of HAP emissions on or after August 16, 2004, you must submit an Initial Notification not later than 120 days after you become subject to this subpart. o §63.6645(g) -If you are required t o conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63.7(b)(1). o §63.6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified in Tables 4 and 5 of Subpart ZZZZ to Part 63, you must subm it a Notification of Compliance Status according to §63.9(h)(2)(ii). • §63.6645(h )(2) -For each initial compliance demonstration required in Table 5 of Subpart llZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart, you must submit the Notification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63.10( d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZ2Z to Part 63 that applies to you. o §63.6650 (b ) -You must submit each report by the date in Table 7 of Subpart llZZ to Part 63 and according to the requirements in paragraphs (b )( 1) through (5) of §63.6650. o §63.6650(c) -The Compliance report must contain the information in paragraphs (c)(1) through (6) of §63.6650. o §63.6650(e) -For each deviation from an emission or operating li mitation occurring for a stationary RICE where you are using a CMS to comply with the emission and operating limitations in Subpart ZZ2Z to Part 63, you must include information in paragraphs (c)(1) through (4) and (e)(1 ) through (12) of §63 .6650. AIRS ID: 045/1046/014 Page 6 of 17 EnCana Oil & Gas (USA) Inc. Permit No . 08GA1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division o §63.6655(a) -If you must comply with the emission and operating limitations , you must keep the records described in §63.6655(a){1) through (a)(3), §63 .6655 (b )(1) through (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records required in Table 6 of Subpart ZZZZ of Part 63 to show continuous compliance with each emission or operating l imitation that applies to you . o §63.6660(a) -Your records must be in a form suitable and readily available for exped itious review according to §63.1 O(b)(1 ). o §63.6660(b) -As specified in §63.1 O(b)(1 ), you must keep each record for 5 years following the date of each occurrence, measurement. maintenance, corrective action , report, or record . o §63.6660(c) -You must keep each record readily accessible in hard copy or electronic form on-site for at least 2 years after the date of each occu rrence , measurement, maintenance, corrective action, report, or r ecord, according to §63.10(b)(1). You can keep the records off-s ite for the remaining 3 years . • Other Requirements and Information o §63.6665 -Table 8 to this subpart shows which part s of the General Provisions in §§63.1 through 63.15 apply to you. OPERATING & MAINTENANCE REQUIREMENTS 9. Upon startup of this point, the applicant shall follow the operating and maintenance (O&M ) plan and record keeping format approved by the Division , in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Refer ence: Regulation No. 3 , Part B , Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Periodic Te sting Require ments 10. This engine is subject to the periodic testing requirements of 40 C .F.R Part 63, Subpart UZZ. 11 . T his engine is subject to the periodic testing requirements as specified in the operating and maintenance (O&M) plan as approved by the Divis ion. Revisions to your O&M plan are subject to Division approv al. Replacements of this unit com pleted as Alternative Operating Scenarios may be subject to additional testing requirements as spec ified in Attachment A. AIRS ID: 045/1046/0 14 Page 7 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 12 . A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference : Regulation No. 3 , Part A , 11.C) a . Annually whenever a significant increase in emissions occurs as follows : For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN ; or For any non-criteria reporta ble pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division . b . Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified; or e . No later than 30 days before the existing APEN expires. f . Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement eng ine . 13. This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 14. Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No. 3 Part D, Vl.B.4) GENERAL TERMS AND CONDITIONS: 15 This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 045/1046/014 Page a of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issu ance 1 Color ado Department of P ublic Health and E nvironment Air Po llution Control Division AQCC Regulation No. 3, Part B, Section 11.B upon a request for transfer of ownership and the submittal of a rev ised A PE N and the required fee. 16 . Issu a nce of a construct ion permit does not p rovi de "fin al" authority for this activ ity or operation of this source. Final authorizat ion of the permit must be secured f rom the APCD in writi ng in accord a nce with the p rovisions of 25-7 -114.5(12)(a) C .R.S. and AQCC Regulation No. 3 , Part B , Section 11 1.G . F inal authorization cannot b e granted unti l the operation or activity commences and h as been verified by the A P CD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authori zation section of thi s permit. 17. T h is p ermit is issued in reliance upon the accuracy and completeness of i nformation supplied by the applicant a nd is conditioned upon conduct o f t he activity, or construction , install at ion and ope ration of the source, in accordance with this information and with representatio ns made by the applicant or app licant's agent s. It is valid only for the e q uipment and operations or activity spe cifically ident ified on th e permit. 18 . Unless specifically sta ted otherwise, the general a nd specific conditions contained i n this permit have been determ ined by the APCD to be necessa ry to assu re compliance with the provis ions of Section 25-7 -114.5 (7 )(a ), C.R.S. 19. Each and every condition of this per mit is a material part hereof and is not severa b le . Any challenge to or appeal of a conditio n hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. T his permit may be revoked at any time prior to self-certification and final authoriz ati on by the Air Pollution Control D ivision (APCD) on grounds set forth in the Colorad o A ir Quality Control Act and reg u lations of the Ai r Quality Control Commission (AQCC), including f a ilure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Divisio n r ev okes a permit , the applicant or owner or operator of a source may request a hearing before the AQCC for re view of t he Division 's action. 20. Section 25-7-114.7 (2)(a), C .R.S . requires that all sources requ ired to file an Air Pollut ion E mission Notice (APEN ) must pay an annual fee to cov e r the cost s of inspections and admi nistration. If a source or activity is to be d iscontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual f ee b illing will term inate. 2 1. Violation of the terms of a permit or of the provisions of the Colorado Air Poll ution Prevention and Control Act or the regulations of t he AQCC may result in admi nistrative, c iv il or cri m i nal enf orcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (crim inal penalties), C .R.S. 22. This permit replaces the foll owing permit , which is canceled upon issuance of this p ermit: A IRS ID: 0 45/1046/014 Page 9 of 17 EnCana Oil & Gas (USA) Inc. Permit No. OBGA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Permit No. AIRS ID Notes 05P00964 777126611001 Engine-HM02: This equipment will now be covered under this stationary source permit. By: ...... l < • h ,_-r1'2r>yu Ll Carissa Money ([ Permit Engineer p erm1 IS Ory Issuance Date Description Issuance 1 This Issuance Canceled portable permit 05P00964 and issued as new stationary permit IA, Modification July 17, 2007 Change in fuel use, emissions, addition of control No. 1 for equipment 05P00964 Initial Approval April 14, 2006 Issued to EnCana Oil & Gas for 05P00964 AIRS ID: 045/1046/014 Page 10 of 17 EnCana Oil & G a s (USA) Inc. P ermit No. QSGA 1200 Issua nce 1 Notes to Permit Holder: Colorado Departm ent of P ublic Hea lth and Envir on ment Air Pollution Control D ivision 1) The production or raw materia l processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specif ic emission control regulation or any ambient air quality standard . A rev ised a ir pollution emission notice {APEN) and application form must be submitted with a request for a permit revision . 2) This sou rce is subject to the Common Provisions Regulation Part 11 , Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a vio lation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by w ritten notice to the Division addressing a ll of the criteria set forth in Part 11.E.1 . of the Common Provisions Regul ation . See: http ://www.cdphe . state. co. us/reg u lations/airregs/ 1001 02aqcccommonprovis ionsreg . pdf. 3) T he following emissions of non-criteria reportable air pollutants are estimated based upon t he process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted lim itations. Uncontrolled Emissi o n Are the Cont ro lled AIRS Rate e missi o ns Emis sio n Point Pollutant CAS# BIN (l b/y r ) reportable? Rat e (lb/yr) Forma lde hyde 5000 A 5599 Yes 2800 Acetald ehy de 75070 A 760 Yes 380 A crol e in 107028 A 467 Yes 234 014 Methanol 67561 c 227 No 114 n-Hexane 110543 c 101 No 50 Benzene 71432 A 40 No 20 Toluene 108883 c 37 No 19 4 ) The emission levels contained in t his permit are based on the following em ission factors: Point 014 : Emissio n Factors -Uncon trolled Emission Factors - Co ntrolled CA S Pollutant lb/MM Btu g/b hp-hr Source l b/MM B t u g /b h p -hr Source NOx 0 .3850 1.5000 Mfq 0 .3850 1.5000 Mfg co 0 .5673 2.2100 Mfg 0 .0397 0.1547 Mfq voe 0.1258 0.4900 Mfg 0 .0629 0.2450 Mfq 5000 Formaldehyde 0 .0616 0 .24 00 Mfq 0.0308 0 .1200 Mfg AP-42 ; Table 75070 Acetaldehyde 0 .0084 0 .0326 3.2-2 (7/2000); 0.0042 0 .0163 Mfg Natural Gas AP-42 ; Table 107028 Acrolein 0 .0051 0.0200 3.2-2 (7/2000); 0.0026 0.0100 Mfg Natural Gas 67561 Methanol 0.0025 0.0097 AP-42; T able 0 .0013 0 .0049 Mfg 3.2-2 (7/2000); A IRS ID: 0 45/104 6/014 P age 11 of 17 EnCana O il & Gas (USA) Inc. Colorado Department of Public H ealth and E nvironment Permit N o . 08GA 1200 Air Pollution Contr o l Division Issuance 1 Emission Fac tors -Uncontrolled Emission Fac tors - C o ntrolle d CAS Po llut a nt lb/MM Btu a /bhp-hr Source l b/MM Btu g /bhp-hr I Source Natural Gas A P-42; Table 110543 n-Hexane 0 .0011 0.0043 3.2-2 (7/2000); 0 .0006 0 .0022 Mfg Natural Gas AP-42; Table 71432 Benzene 0 .0004 0.001 7 3.2-2 (7/2000); 0 .0002 0 .0009 Mfg Natura l Gas AP-42; Table 108883 Toluene 0.0004 0.0016 3.2-2 (7/2000); 0 .0002 0 .0008 Mfg Natural Gas Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8 ,589 Btu/hp-hr, a site-rated horsepower value of 1,208, and a fuel heat value of 1,000 Btu/set. 5) In accordance with C .R.S. 25-7-114.1, the Air Pollutant Emission Notice (APEN ) associated with this permit is valid for a term of five years. The five-year term for this APEN expires on November 9, 2013 . A revised APEN shall be submitted no later than 30 days before the five-year term expires. 6) This facility is classified as follows: Applicable Status Requirement Operating Permit Major Source: NOx, HAPs Synthetic Minor Source: CO, VOC PSD Synthetic Minor Source: VOC MACT HH Synthet ic Minor Sourc e: T o l uene, Total HAP MACT ZZZZ Major Source 7) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards of Performance for New Stationary Sources NS P S 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Appendixes Appendix A-Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Subpart Z MACT 63.600-63.1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP M ACT 63.1440-63.6175 S ubpart Q QQ -Subpa rt YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNNNN -Subpart XXXXXX A IRS ID: 045/104 6/014 Page 12 o f 17 EnCa na Oil & G as (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorad o Department of Public Health a n d E nvironment Air P ollution Control Division A TT ACHMEN T A: ALTERNATIVE OPERATI NG SCENARIOS RECIPROCAT ING INTERNAL COMBU STION ENGINES December 10, 2008 The following Alternative Operating Scenario (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance with the requirements of Regulation No . 3 ., P art A , Section IV.A, Operational Flexibility-Alternative Operating Scenarios, Regulation No. 3, Part B, Construction Permits, and Regulation No . 3, Part D, Major Stationary Source New Source Review and Prevention of Significant Deterioration , and it has been found to meet all applicable substantive and procedural requirements . This permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS, and the permittee shall be allowed to perform such engine replacement without applying for a revision to this permit or obtaining a new Construction Permit. A.1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor eng ine breakdown or period ic routine maintenance and repair of an existing onsite engine that requires the use o f either a temporary or permanent replacement engine. "T emporary" is defined as in the same service for 90 operating days or less in any 12 month period. "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period . The 90 days is the total number of days that the engine is in operation . If the engine operates only part of a day, that day shall count as a single day towards the 90-day total. The compliance demonstrations and any periodic monitoring re quired by this AOS are in addition to any compliance demonstrations or periodic monitoring required by this permit All replacement engines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping). The results of all tests and the associated calculations required by t his AOS shall be submitted to the Division within 30 calendar days of the test or w ithin 60 days of the test if such testing is required to demonstrate compliance wit h NSPS or MACT requirements. ResLJlts of all tests shall be kept on site for five (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number, horsepower, and serial number of the engine(s) that are replaced during the term of this perm it , and the manufacturer, model number, horsepower, and serial number of the replacement engine. In addition to the log, the permittee shall maintain a copy of a ll Applicability Reports required under section A.1 .2 and make them available to the Division upon request. A.1 .1 The permittee may tem pora rily replace an existing compressor engine that is subject to the emission limits set forth in this permit w ith an engine that is of the same manufacturer, model , and horsepower or a different manufacturer, model , or horsepower as the existing engine w ithout modifying this permit, so long as the emissions from the temporary replacement engine comply with the emission limitations for the existing permitted engine as determined in section A.2. Measurement of emissions from the temporary replacement engine shall be made as set forth in section A.2. A.1.2 The permittee may perman ently rep lace the existing compressor engine with an eng ine that is of the same manufacturer, model and horsepower w ithout modifying this permit so long as the emissions from the permanent replacement engine comply with 1) the permitted annual emission limitations for t he AI RS ID : 0 4 5/104 6/014 Page 13 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine , 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissios Notice (APEN) for the replacement engine (see http://www.cdphe.state.co.us/ap/01lgaspermittinq .html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section 2.2. An Air Pollutant Emissions Notice (APE N) that includes the specific manufacturer. model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replacement engine, and a copy of the relevant Applicability Reports for the replacement engine . Example Applicability Reports can be found in athttp://www.cdphe .stateco.us/ap/oilgaspermittinq.html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true, accurate and complete". This AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note: In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Un it to discuss streamlining the testing requirements. Note that the testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the relevant time period (i.e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition, if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the replacement engine using a portable flue gas analyzer within seven (7) calendar days of commencing operation of the replacement engine. All portable analyzer testing required by this permit shall be conducted using the Division 's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division 's website at: http://www.cdphe.state.co. us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison with an annual (tons/year) or short term {lbs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) in order to monitor compliance. If a source is not limited in its hours of operation the test results will be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/014 Page 14 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison w ith a short-term limit that is either input based (l b/mmBtu), output based (g/hp-hr) or concentration based (ppmvd@ 15% 02) that the existing un it is currently subject to or the replacement e ngine will be subject to , the results of the test shall be converted to the appropri ate units as described in the above-mentioned Portable Analyzer Mon itoring Protocol document. If the portable analyzer results ind icate compliance with both the NOX and CO emission limitations. in the absence of credible evidence to the contrary, the source may certify that the eng ine is in compliance w ith both the NOX and CO emission limitations for the relevant time period . Subject to the provisions of C .R.S . 25 -7-123.1 and in t he absence of credibl e e vidence to the contrary, if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission lim itations or u ntil the engine is taken offiine. A3 Applicable Regulations for Permanent Engine Replacements A.3.1 Reason ably Available Control Technology (RACT): Reg 3, Part B § 11.D.2 All permanent replacement engines that are located in an area that is classified as attainment/maintenance or nonattainment must apply Reaso nably Available Control Technology (RACT) for the po llutants for w hich the area is attainment/maintenance or nonattainment. Note th at both voe and NOX are precursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainment/maintenance or nonattainmen t, except as follows: In the Denver Metropolitan PM10 attainment/maintenance area , RACT applies to PM10 at an y level of emissions and to NOX and S02, as precursors to PM10, if the potential to emit of NOX o r S02 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion eng ines: voe: CO: NOX: S02: PM10 : The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (§ 60.331 ) and 40 CFR Part 72 (§ 72.2), natural gas con tains 20.0 grains or less of total sulfur per 100 standard cubic feet. A.3.2 Control Requirements and Em ission Standards: Regulation No. 7 , Sections XVI. and XVll.E (State-Only conditions). Control Requirements: Section XVI Any permanent replacement engine located w ith in the boundaries of an ozone nonattainment area i s subject to the applicable control requirements specified in Regulation No. 7 , section XVI , as specified below: Rich bu rn engines w ith a manufacturer's design rate greater than 500 hp shall use a non- selecti ve catalyst and air f u el controller to reduce emission. AIRS ID: 045/1046/014 Page 15 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications. The source shall submit copies of the relevant Applicability Reports required under Condition A.1.2 . Emission Standards: Section XVII. E -State-only requirements Any permanent engine that is either constructed or relocated to the state of Colorado from another state, after the date listed in the table below shall operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below: Max Engine Construction or Emission Standards in G/hp-hr HP Relocation Date - NOx co voe 100<Hp<500 January 1, 2008 2.0 4.0 l.O January l. 2011 1.0 2.0 0.7 500~Hp July 1, 2007 2.0 4.0 1.0 July 1, 2010 1.0 2.0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A 1.2 A.3.3 NSPS for spark ignition internal combustion engines: 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp, 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A.1 .2. Any testing required by the NSPS is in addition to that required by this AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition A.2. Note that under the provisions of Regulation No. 6. Part B, section l.B. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements}. However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time es it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ, there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6, Part B, § l.B (which is referenced in Part A), any engine relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ. AIRS ID: 045/1046/014 Page 16 of 17 EnCana Oil & Gas (USA) Inc. Permit No. 08GA 1200 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division A.3.4 Reciprocating interna l combustion engine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ A.3.4 .1 Area Source for HAPs A permanent replacement engine located at an area source that commenced construction or reconstruction after June 12, 2006 as defined in § 63.2 , will meet the requirements of 40 CFR Part 63, Subpart ZZZZ by meeting the requirements of 40 CFR Part 60, Subpart JJJJ. An analysis of the applicable monitoring , recordkeeping, and reporting requirements for the permanent engine replacement shall be included in the Applicabil ity Reports required under Condition A.1 .2 . Any testing required by the MACT is in addition to that requ ired by this AOS . Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the Di vision , provided t hat such test is conducted within the time frame specified in Condition A.2. A.4.3.2 Maj or source for HAPs A permanent replacement eng ine that is located at major source is subject to the requirements in 40 CFR Part 63 Subpart ZZZZ as follows: Existing , new or reconstructed spark ign ition 4 stroke rich burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 12/19/02) 2 stroke and 4 stroke lean burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn eng ines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requ irements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 2 stroke lean burn or 4 stroke rich burn engines w ith a site rating of 500 hp or less will meet the requirements of 40 CFR 63, Subpart ZZ..ZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of less than 250 hp w ill meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ . An analysis of the applicable monitoring, recordkeeping , and reporting requ irements for the permanent engine replacement shall be included in the Applicability Reports requ ired under Condition A.1.2. Any testing required by the MACT i s in addition to that required by this AOS. Note that the initial test required by the MACT can serve as the testing required by this AOS under Condi tion A.2 , if approved in advance by the Division , provided that such test i s conducted w ithin the time frame specified in Condition A.2. A.3.5 Additional Sources The replacement of an existing engine w ith a new engine is viewed by the Division as the installation of a new emissions unit, not "routine replacemenr of an existing unit. The AOS is therefore essentially an advanced construction permit review. The AOS cannot be used for additional new emission points for any site; an engine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating perm itting process prior to installation . AIRS ID: 045/1046/014 Page 17 of 17 STATE OF COLORl\00 COLORADO DEPARTMENT OF PUBLIC HEAL TH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 10GA1308 Issuance 1 DATE ISSUED: FEBRUARY 8, 2011 ISSUED TO: EnCana O il & G a s (USA), In c. THE SOURCE TO WHICH TH IS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOW S: Natural gas compression facility , known as the H igh Mesa Compressor Station , located at Section 36 , Township 7 South, Range 96 West, in Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: F acil ity AIRS Equi pmen t Point Description I D One (1) Triethylene glycol (TEG) natural gas dehydration unit (make: TBD, 75 MMSCF/D , serial number: TBD) with a design capacity of 75 MMscf per day. This emissions unit is equipped with two (2) electric-glycol pumps (make and model: TBD) w ith a D U03 015 design capacity of 9 .0 gallons per minute. This unit is equipped with a flash tank, reboiler and still vent. Stri pping gas is not used. Emissions from the still vent are routed to an air-cooled condenser and then to the combustor (TCI 2000). Emissions from the flash tank are routed directly to the combustor (TCI 2000). THIS PERM IT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO A IR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION A ND CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND T HE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIRE MENTS TO SELF-CERTIFY FOR FINAL A UTHO R IZATIO N 1. YOU M UST notify the APCD no later than thirty days after commencement of the permitted operation or activity by submitting a Notice of Startup (NOS} form to the APCD. The Notice of Startup (NOS) form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the APCD of startup of the permitted source is a violation of AQCC Regulation No. 3 , Part B , Section 111.G .1 and can result in the revocation of the permit. 2. Within one hundred and eighty days (180) after commencement of operation, compliance w ith the conditions contained on this permit shall be demonstrated to the Division . It is the permittee's responsibility to self-certify compliance with the conditions. Failure to AIRS ID: 045/1046/015 Page 1 of 13 Dehy Ve rsion 2009-1 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3. Part 8, 11.G.2). 3 . This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit ; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3 , Part 8 , 111.F.4 .b. (Reference: Regulation No 3 , Part B 111.F.4 .) 4 . The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference· Regulation No. 3 , Part 8 , Section 111.E .) 5 . The manufacturer and senal number of the subject equipment shall be provided to the Div1s1on within thirty days (30) after commencement of operation . This information shall be included on the Notice of Startup (NOS) submitted for the equipment. (Reference Regulation No. 3 Part 8 , 111.E.) 6 The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification , with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7 Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference : Regulation No. 3 Part 8 , Section 11.A.4) Monthly Limits: Faci lity AIRS Pounds per Mont h Equipment ID Point NOx DU03 I 015 Monthly limits are based on a 31-day month Annual Limits: voe 1638 I Facility AIRS Tons per Year Equipment ID Point NOx voe DU03 I 015 964 I I co Emission Type Point -Emission Type co Point l See UNotes to Permit Holder #4" for information on emission factors and methods used to calculate limits. During the first twelve (12) months of operation, compliance with both the monthly and yearly emission limitations shall be required . After the first twelve (12) months of operation. compliance with only the yearly limitation shall be required . Compliance with the annual limits shall be determined on a rolling (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly emissions and keep a compliance record on site or at a local field office with site responsibility for Division review. AIRS ID: 045/1046/015 Page 2 of 13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division 8. Compliance with the emission limits i n this permit shall be demonstrated by runni ng the GRI GlyCalc model version 4 .0 or higher on a monthly basis using the most recent wet gas analysis and recorded operational values (includ ing gas throughput, lean glycol recirculation rate , and other operational values specified in the O&M Plan). Recorded operational values, except for gas throughput, shall be averaged on a monthly basis for input into GRI GlyCalc. 9. This unit shall be configured such that the flash tank vapors are routed to the combustor and still vent vapors are routed to an air-cooled condenser then the combustor. The combustor shall be capable of reducing uncontrolled emissions of VOC from the TEG dehydration un it to the emission levels listed in Condition 7 , above. Operati ng parameters of the control equipment are identified in the operation and maintenance p lan. (Reference: Regulation No.3 , Part 8 , Section 11 1.E.) PROCESS LIM ITATIONS A N D RECORDS 10. This source shall be limited to the fo ll owing maximum consumption, processing and/or operational rates as listed below. Monthly records of the actual natural gas throughput rate shall be ma intained by the app licant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part 8 , 11.A.4) Process/Consumption Limits Facility AIRS Annual Monthly Limit Equipment Point Process Paramete r Limit (31 days) ID DU03 015 I Natura l gas th roughput 27,375 2,325 MMscf/y r MMscf/month During the first twelve (12) months of operation , compl iance with both the monthly and yearly natural gas throughput limitations shall be required. After the first twelve (12) months of operation , compliance with on ly the yearly limitation shall be required . Compl iance with the yearly natural gas throughput li mits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate monthly natural gas throughput and keep a compliance record on site or at a local field office with site respons ibility, for Division review. 11 . This source shall be limited to a maximum lean glycol reci rculation pump rate as calculated per 40 CFR, Part 63, Subpart HH , §63.764 (d)(2). The owner or operator shall maintain monthly records of the actual lean glycol recirculation rate and make them available to the Division for inspection upon request. If operator demonstrates exemption from §63.764(d)(2), then maxi mum recirculation rate shall not exceed 9.0 gallons per m inute. STATE AND FEDERAL REGULATORY REQUIREMENTS 12. T he permit number and AIRS ID number shall be marked on the subject equipment for ease of identification . (Reference : Regulation Number 3 , Part B , 111.E .) (State only enforceable) 13. Visible emissions shall not exceed twenty per cent (20 %) opacity during normal operation of the source. During periods of startup, process modification , or adjustment of control equipment v isible emissions shall not exceed 30% opacity for more than s ix minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section 11.A.1 . & 4 .) 14. This source is subject to the odor requirements of Regulation No. 2 . (State only enforceable) AIRS ID: 045/1046/015 Page 3of13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division 15 . The flare covered by this permit is subject to Regulation No. 7, Section XVll.B General Provisions (State only enforceable). If a flare or other combustion device is used to control emissions of volatile organic compounds to comply with Section XVII , it shall be enclosed , have no visible emissions during normal operations , and be designed so that an observer can , by means of visual observation from the outside of the enclosed flare or combustion device, or by other convenient means approved by the Division , determine whether it is operating properly. The operator shall comply with all applicable requirements of Section XVII. 16. This equipment is subject to the control requirements for glycol natural gas dehydrators under Regulation No . 7 , Section XVll.D (State only enforceable). Beginning May 1, 2008, uncontrolled actual emissions of volatile organic compounds from the still vent and vent from any gas-condensate-glycol (GCG) separator (flash separator or flash tank), if present, shall be reduced by an average of at least 90 percent through the use of air pollution control equipment. This source shall comply with all applicable general provisions of Regulation 7, Section XVII. 17. When th is source is not subject to area source requirements of 40 CFR, Part 63, Subpart HH . Section §63.760 , this source is subject to the TEG dehydrator area source requirements of 40 CFR, Part 63, Subpart HH -National Emission Standards for Hazardous Air Pollutants for Source Categories from Oil and Natural Gas Production Facilities including , but not limited to, the following: • §63.764 -General Standards o §63.764 (e)(1) -The owner or operator is exempt from the requirements of paragraph (c)(1) and (d) of this section if the criteria listed in paragraph (e)(1 )(i) or (ii) of this section are met, except that the records of the determination of these criteria must be maintained as required in §63.774(d)(1). • §63.764 (e)(1)(i)-The actual annual average flowrate of natural gas to the glycol dehydration unit is less than 85 thousand standard cubic meters per day (3 .0 MMSCF/day), as determined by the procedures specified in §63.772(b)(1 ) of this subpart; or • §63. 764 (e)(1 )(ii) -The actual average emissions of benzene from the glycol dehydration unit process vent to the atmosphere are less than 0 .90 megagram per year, as determined by the procedures specified in §63. 772(b )(2) of this subpart. • §63.772-Test Methods, Compliance Procedures and Compliance Demonstration o §63.772(b) -Determination of glycol dehydration unit flowrate or benzene emissions. The procedures of this paragraph shall be used by an owner or operator to determine glycol dehydration unit natural gas flowrate or benzene emissions to meet the criteria for an exemption from control requirements under §63.764(e)(1 ). • §63. 772(b)(1) -The determination of actual flowrate of natural gas to a glycol dehydration unit shall be made using the procedures of either paragraph (b)(1)(i) or (b)(1)(ii) of this section. • §63. 772(b)(1 )(i)-The owner or operator shall install and operate a monitoring instrument that directly measures natural gas flowrate to the g lycol dehydration unit with an accuracy of plus or AIRS ID: 045/1046/015 Page 4 of 13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division minus 2 percent or bette r . The owner or operator shall convert annual natural gas flowrate to a daily average by dividing the annual flowrate by the number of days per year the glycol dehydration unit processed natura l gas. • §63.772(b)(1)(ii) -The owner or operator shall document, to the Administrator's satisfaction, that the actual annual average na tural gas flowrate to the g lyco l dehydration unit is less than 85 thousand standard cubic meters per day. • §63. 772(b)(2) -The det ermination of actual average benzene emissions from a g lycol deh ydration unit shall be made using the procedures of either paragraph (b)(2)(i) or (b)(2)(i i) of this sectio n . Em issions shall be determined eit her u ncontrolled, o r with federally enforceable controls in place. • §63.772(b)(2)(i) -The owner or operator shall determine actual average benzene emissions using the model G R l-G LYCalc TM , Version 3 .0 or h igher, and the procedu res presente d i n the associated GRl-GLYCalc ™Technical Reference Manua l. In puts to the model shall be r ep resentative of actual operati ng conditions of the g lycol dehydration unit and may be dete rmi ned using the procedures documented in the Gas Resea rch Instit ute (GRI) report entitled "Atmospheric R ich/Lean Method for Determini ng Glycol Dehydrat or Emissions" (G R l-95/0368.1 ); or • §63 .772(b)(2)(ii) -T he owner or operator shall determine a n averag e mass rate of benzene emissions in kilograms per hour through direct measurement using the methods in §63.772(a)(1 )(i) o r (ii), or an alternative method according to §63.?(f). Annual emissions in k ilograms per yea r shall be determined by multiplying t h e m a ss rate by the number of hours the unit is operated per year. This result shall be converted to megagrams per yea r. • §63 .774 -Recordkeepi ng Requirements o §63.774 (d)(1) -An owner o r operator of a glycol dehydration unit that m e ets the exemption criteria in §63.764(e)(1)(i) or §63.764(e)(1 ){ii ) shall maintain the records specified i n paragraph (d)(1 )(i) or paragr aph (d )(1 )(i i) of this section, as appropriate, for that glycol dehydration unit. • §63.774 (d)(1 )(i)-The actual annual average natural gas throu g hput (in terms of natural gas flowrate to the glycol dehydration unit per day) as determined in accordance with §63.772(b)(1 ), or • §63. 77 4 ( d)(1 )(ii) -The actual average benz ene emissions (in terms of benze ne emissions per year) as determined in accordance with §63.772(b)(2). 18. When this source is not subject t o area source requirements of 40 CFR , P art 63, Subpart HH. Section §63.764, it is subject to the T EG dehydrat or a rea source requ irements of 40 C F R , Part 63, Subpart H H -National Emission Standards for Hazardous A ir Pollutants for AIRS ID: 0 45/10 4 6/015 Page 5 of13 EnCana Oil & Gas (USA}, Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Source Categories from Oil and Natural Gas Production Facilities including. but not limited to, the following : • §63. 760 -Applicability and designation of affected source o §63.760 (f) -The owner or operator of an affected major source shall achieve compliance with the provisions of this subpart by the dates specified in paragraphs (f}(1} and (f}(2} of this section. The owner or operator of an affected area source shall achieve compliance with the prov isions of this subpart by the dates specified in paragraphs (f}(3) through (f}(6) of this section. • §63.760 (f)(6) -The owner or operator of an affected area source that is not located in an Urban-1 county, as defined in §63.761 , the construction or reconstruction of which commences on or after July 8 , 2005, shall achieve compliance with the provisions of this subpart immediately upon initial startup or January 3 , 2007, whichever date is later. • §63.764 -General Standards o §63.764 (d)(2) -Each owner or operator of an area source not located in a UA plus offset and UC boundary (as defined in §63 761 ) shall comply with the provisions specified in paragraphs (d)(2(i) through (iii) of this section . • §63.764 (d)(2)(i) -Determine the optimum glycol circulation rate using the following equation: l =I l '*~ogalTEG.(F*(/ 0) ""' . ) .). lb H ,O 24hr day Where: L opr = Optimal circulation rate. gal/hr. F = Gas flowrate (MMSCF/D) I = Inlet water content (lb/MMSCF) 0 = Outlet water content (lb/MMSCF) 3 .0 = The industry accepted rule of thumb for a TEG-to water ratio (gal TEG/lbH20) 1.15 =Adjustment factor included for a margin of safety. • §63.764 (d)(2)(ii) -Operate the TEG dehydration unit such that the actual glycol circulation rate does not exceed the optimum glycol circulation rate determined in accordance with paragraph (d)(2)(i) of this section. If the TEG dehydration unit 1s unable to meet the sales gas specification for moisture content using the glycol circulation rate determined in accordance with paragraph (d}(2)(i), the owner or operator must calculate an alternate circulation rate using GRl-GL YCalcTM , Version 3.0 or higher The owner or operator must document why the TEG dehydration unit must be operated using the alternate circulation rate and submit this documentation with the initial notification in accordance with §63.775(c)(7) • §63.764 (d)(2)(iii) -Maintain a record of the determination specified 1n paragraph (d)(2)(ii) in accordance with the requirements in §63.774(f) and submit the Initial Notification in accordance with the requirements in §63 775(c)(7). If operating conditions change and a modification to the AIRS ID: 045/1046/015 Page 6of13 EnCana Oi l & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department o f Public Health and Environment Ai r Pollution Control D ivision optimum glycol c i rcu lation rate is req uired, the owner or operator shall prepa re a new determi nation i n accordance with paragraph (d)(2)(i) or (ii) of t his section and submit the information specified under §63.775(c)(7)(ii) through (v). • §63.774 -Recordkeeping Requirements o §63.774 (b) -E xcept as specified in paragraphs (c), (d ), and (f) of this section , each owner or operator of a facility subject to this subpart shall maintain the records specified i n paragraphs (b)(1 ) through (11 ) of this section : • §63.77 4 (b)(1) -The owner or operato r of an affected source subj ect to the p rovisions of this subpart shall maintain files of all infor mation (including all reports and notification s) required by this subpart. T he files shall be retai ned for at least 5 ye ars following the date of e ach occu r rence, measurement, maintenance, corrective action , report or period . • §63.774 (b)(1)(i)-All app licable records shall be mai ntai ned in such a manner that they ca n be readily accessed . • §63.774 (b)(1 )(ii) -The most recent 12 months of records shall be retained on site or sh all be accessible from a central locati on by computer or othe r means that provides access within 2 hours after a request. • §63 .774 (b)(1)(ii i) -The remaining 4 years of records may be re tained offsite . • §63 .774 {b)(1)(iv)-Records may be maint ained in hard copy or com puter-readable form including , but not limited to, on paper, microfilm, computer, floppy disk, magnetic tape , or microfiche. o §63. 77 4 (f} -The owne r or operator of an area source not locate d w ithin a UA pl us offset and UC b oundary must keep a record of the calculation used to determine the optimum glycol circulation rate in accordance with §63.764(d)(2)(i) or §63.764(d)(2)(ii), as applicable. • §63 .775-Reporting Requirements o §63.775 (c) -Except as provided in paragraph (c)(8), each owner or operator of an area source subject to this subpart shall submit the information li sted in paragraph ( c)(1) of this section. If the source is located within a UA plus offset and UC boundary, the owner or operator shall also submit the information li sted in paragraphs (c)(2) through (6) of th is section . If the source is not located with in any UA p lus offset and UC bounda ries, the own er or operator s hall also submit the information listed w ithin pa ragraph (c)(7). • §63.775 (c)(1) -T he initial notifications requi red under §63.9(b)(2) not later than January 3, 2008. In add ition to s ubmitting your i nitial notification to the addressees specified under §63.9(a), you must also submit a copy of the initial notification to EPA's Office of Air Qu ality Planning and . Stan dards. Sen d your notification via e-mail to CCG- ONG@E PA GOV or via U .S. mail or other mail delivery service to U .S. EPA, Sector P oli cies and Programs Division/Coatings and Chemicals AIRS ID : 045/1046/015 Page 7 of1 3 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Group (E143-01), Attn: Oil and Gas Project Leader, Research Triangle Park, NC 27711 . • §63.775 (c)(7) -The information listed in paragraphs (c)(1)(i) through (v) of this section . This information shall be submitted with the initial notification. • §63.775 (c)(7)(i)-Documentation of the source's location relative to the nearest UA plus offset and UC boundaries. This information shall include the latitude and longitude of the affected source; whether the source is located in an urban cluster with 10,000 people or more; the distance in miles to the nearest urbanized area boundary if the source is not located in an urban cluster with 10,000 people or more: and the names of the nearest urban cluster with 10,000 people or more and nearest urbanized area. • §63.775 (c)(7)(ii) -Calculation of the optimum glycol circulation rate determined in accordance with §63. 764(d)(2)(i). • §63. 775 (c)(7)(iii) -If applicable, documentation of the alternate glycol circulation rate calculated using GRl-GL YCalcTM , Version 3 .0 or higher and documentation stating why the TEG dehydration unit must operate using the alternate glycol circulation rate. • §63.775 (c)(7)(iv)-The name of the manufacturer and the model number of the glycol circulation pump(s) in operation. • §63.775 (c)(7)(v) -Statement by a responsible official , with that official's name, title, and signature, certifying that the facility will always operate the glycol dehydration unit using the optimum circulation rate determined in accordance with §63.764(d)(2)(i) or §63.764(d)(2}(ii), as applicable. o §63. 775 (f) -Notification of process change. Whenever a process change is made, or a change in any of the information submitted in the Notification of Compliance Status Report, the owner or operator shall submit a report within 180 days after the process change is made or as a part of the next Periodic Report as required under paragraph (e) of this section, whichever is sooner. The report shall include : • §63.775 (f)(1) -A brief description of the process change: • §63. 775 (f)(2) -A description of any modification to standard procedures or quality assurance procedures • §63.775 (f)(3) -Revisions to any of the information reported in the original Notification of Com.p liance Status Report under paragraph (d) of this section; and • §63. 775 (f)(4) -Information required by the Notification of Compliance Status Report under paragraph (d) of this section for changes involving the addition of processes or equipment. OPERA TING & MAINTENANCE REQUIREMENTS AIRS ID: 045/1046/015 Page 8of13 EnCana Oil & Gas (USA), In c. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division 19. Upon startup of this po int, the applicant shall follow the operatin g and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requ irements of this per mit. Revisions to your O&M plan are subject to Division approv a l prior to implementation. (Reference: Regulation No. 3 , Part B, Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 2 0 . The owner or operator shall demonstrat e compliance with Condition 15, using EPA Method 22 to measure opacity from the flare . 21. The owner or operator shall complete the in itial annual extended wet gas analysis testing required by this permit and submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits . (Reference: Regulation No. 3 , Part B, Section 111 .E.) 22. A source initial compliance test shall be conducted on emissions point 015 to measure the emission rate(s) for the pollutants listed below in order to demonstrate compliance with the emissions limits contained i n this permit. The test protocol must be in accordance with the requirements of the A ir Pollution Control Division Compliance Test Manual and shall be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test shall be conducted without prior approval from the Division . Any compliance test conducted to show compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averag ing time by multiplying the test results by the allowable number of operating hours for that averaging time (Reference: Regulation No. 3 , Part B ., Section 111.G .3) Volatile Organic Compounds using EPA approved methods. Benzene, Tol uene, Ethylbenzene, Xylenes and n-Hexane using EPA approved methods. Periodic Testing Requirements 23. The owner or operator shall complete an extended wet gas analysis prior to the inlet of the TEG dehydrator on an annual basis. Results of the wet gas an alysis shall be used to ca lcu late emissions of criteria pollutants and hazardous air pollutants per Condition no. 7 . ADDITIONAL REQUIREMENTS 24 . A revised Air Pollutant Emission Notice (APEN) shall be fi led: (Reference: Regulation No. 3, Part A , 11.C) a. Annually whenever a s ignificant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change i n the owner or operator of any facility, process, or activity; o r AIRS ID: 045/1046/015 Page 9of13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division c. Whenever new control equipment is installed , or whenever a different type of control equipment replaces an existing type of control equipment; or d Whenever a permit limitation must be modified or e. No later than 30 days before the existing APEN expires. 25 . This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (Title Vofthe 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due within one year of commencement of operation of the equipment or modification covered by this permit. 26 Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition Any relaxation that i ncreases the potential to emit above the applicable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed the PSD threshold until a PSD permit is granted (Regulation No. 3 Part D , Vl.8.4) GENERAL TERMS AND CONDITIONS: 27 This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3 , Part 8 , Section 11.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee 28 If this permit specifically states that final authorization has been granted, then the remainder of this condition is not applicable. Otherwise , the issuance of this construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12}(a) C .R.S . and AQCC Regulation No. 3, Part B, Section 111.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization . Details for obtaining final authorization to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 29. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction. installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 30 Unless specifically stated otherwise, the general and specific conditions contained in this perrrit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S 31 Eacr and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any AIRS ID: 045/1046/015 Page 10 of 13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 32 . Section 25-7-114.7(2)(a), C .R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay a n a nnual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 33. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties}, -122 .1 (criminal penalties}, C.R.S . By: Sfepl;lanie Chaousy, P .E. ( \ Permit Engineer .) p "t H" t erm1 IS O ry Issuance Date D escri ption Issuance 1 This Issuance Addition of 75 MMSCFD TEG dehydrator at a Major Facility for NOx, VOC and HAPs. Synthetic minor facility for CO. AIRS ID: 045/1046/015 Page 11 of 13 EnCana Oil & Gas (USA), Inc. Permit No. 1OGA1308 Issuance 1 Notes to Perm it Holder: Colorado Department of Public Health and Environment Air Pollution Control Division 1) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application . These limits may be revised upon request of the permittee providing there is no exceedance of any specific emission con t rol regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be subm itted with a request for a perm it revision . 2) This source rs subject to the Common Provisions Regulation Part 11 , Subpart E, Affirmat ive Defense Provision for Excess Emissions During Malfuncti ons. The permittee shall notify the Divi sion of any malfunction condition which causes a v iolation of a ny emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part 11.E.1. of the Common Provisions Regulation . See: http://www.cdphe .state.co . us/requ lations/airreqs/100102agcccom monprovisionsreq . pdf. 3) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Divis ion's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Un contro lled Emis sio n Are the Controlled AIRS Rate emissions Emissio n Po int Po lluta nt GAS # BIN (lb/yr) reportable? Rate (lbl yrl Benzene 71432 A 42164 Yes 2108 Toluene 108883 c 113267 Yes 5663 015 Ethyl benzene 10041 4 c 5591 Yes 280 Xylene 1330207 c 78168 Yes 3908 Hexane 110543 c 4917 Yes 246 4) The emission levels contained in this permit are based on information provided in the application and the GRI GlyCalc 4 .0 model 5) The following equipment is currently exempt from construction permitting requirements and/or APEN reporting requirements based on information provided by the operator for the Division 's analys is: I I AIRS ID Facility ID Description Notes NA DU03 Dehy unit reboile r, rated This unit is exempt from APEN reporting Re boiler at 1.0 MMBtu/hr requirements becau se th e design rate is Burner less t han 5 MMBtu/hr (Regulation No. 3, Part A , 11.0 .1.k). a nd is therefore also exempt from constru c tion permitting requ irements (Regulation no. 3, Part B, 11.D.1.a). I Criteria pol lutan t emission levels for this unit are based on factors from AP-42, Chapter 1.4 , Small Boilers < 100 MM Btu/h r (7/1 998). 6) In accordance with C.R.S . 25-7-11 4 .1 , t he Air Pollutant Emissio n Notice (APE N) associated with t his perm it is v alid f or a term of five years. The five-year term fo r this APE N expires on March 23, 2015 . A revised APEN shall be submitted no later than 30 days before the five-yea r term expires. AIRS ID: 045/1046/015 Page 12 of 13 EnCana Oil & Gas (USA}, Inc. Permit No. 10GA1308 Issuance 1 Colorado Department of Public Health and Envi r onment Air Pollution Control D ivision 7) This facili ty is classified as follows: Applicable Status Requirement Operating Perm it Maj or Source: NOx, HAPs Synthet ic Minor Source : CO , VOC PSD Synthetic Minor Source : VOC MACT HH Area Sou rce Requ irements: Applicable 8) Fu ll text of the T itle 40, Protection of Environmen t Electronic Code of Federal Regulations can be found at the w e bs ite listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards of Performance for New Stationary Sources NS PS 60.1-End Subpart A -Subpart KKKK NSPS Part 60, Appendixes 1 Appendix A -Appendix I Part 63 : National Emissio n Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A -Su bpart Z MACT 63.600-63.1199 Subpart AA -Subpart ODD MACT 63.1200-63.1439 Subpart EEE -Subpart PPP MACT 63.1440-63.61 75 Subpart QQQ -Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End Subpart NNN NN -Subpart XXXXXX 9) An O il and Gas Industry Construction Permit Self-Certification Form is included with th is permit packet. Please use this form to complete the self-certification requi remen t s as spec ified in the permit conditions. Further g uidance on self-certification can be found on our website at: http://www.cdphe .state.co.us/ap/o ilgaspermitting.html AIRS ID: 045/1046/015 Page 13of 13 Colo rado Department of Public Health and Environment Air Pollution Control Div ision OIL AND GAS INDUSTRY CONSTRUCTION PERMIT SELF-CERTIFICATION FORM PERMIT NO : 10GA1308 AIRS ID : 045/1046 Issuance 1 ISSUED TO : EnCana O il & Gas (USA), Inc . IMPORTANT NOTICE TO PERMIT HOLDER: The following Self-Certification document must be completed and submitted within 180 days of starting any and all equipment described in the above permit. PURSUANT TO C.R.S.§25-7-114.5, FAILURE TO SUBMIT A COMPLETE SELF-CERTIFICATION FOR EACH UNIT WITHIN 180 DAYS OF START-UP MAY RESULT IN FORMAL ENFORCEMENT ACTION AUTHORIZED BY C .R.S. §25-7-115, UP TO AND INCLUDING PERMIT REVOCATION. This document must be completed and s igned b y a respons ible official as defined under Colorado A ir Quality Control Commission Regulation No. 3 , P art A , §1.8.38. To complete this form, initial on the appropriate lines below. All supporting documentation must be submitted with this form. A Construction Permit Final Authoriza tion to Operate will be issued only if all perm it condit ions are bei ng met. Please save a copy of this completed form for your records. 1 . Start-up The following equipment as described in permit number 10GA1308 has been installed and started: All equipment described in this permit has been installed and started. Notice of Start-up(s) have been filed, and this self-certification document encompasses all equipment listed on the permit. 2. Opacity I certify this equipment is generating no visible emissions in excess of permit limits. (Formal Visible Emissions reading NOT required). 3. Emissions and Process Limits A IRS ID: 0 45/1046/015 Perm it Number: 1OGA1308 Issuance 1 Page 1 of 3 Colorado Department of Publ ic Health and Environment Air Poll ution Control Division I certify that this source is in compliance with the permit's process limits for natural gas throughput. I certify that this source is in compliance with the permit's process limits for maximum lean glycol recirculation pump rate. 4. Operations and Maintenance Plan I certify that upon start-up, this source began following the O&M plan submitted with the permit application, and continues to do so. I certify that to calculate emissions, this source is using the emission factors or methodology described in the permit. I certify that this source is in compliance with the permit's short-term emissions limits. 5. Compli ance Testing and Sampling I certify that the requir ed compliance testi ng for the equipment described in Section 1 above has been completed, and the results: 0 were submitted to the Division on ______ (DATE). 0 will be submitted to the Division on or before ______ (DATE). 6. NSPS & MACT I certify this source is in compliance with the applicable requirements of: NSPS NESHAP/MACT Not a pp cable 40 CFR 63 Sub part HH 7 . Other Requirements I certify that the make and serial #were submi tted with the Notice of Start-up. A I RS ID: 0 45/1046/015 Permit Number: 1OGA1308 Issuance 1 Page 2 of 3 Colorado Department of Public Health and Environment Air Pollution Control D ivision I certify that the each piece of equipment has been marked with the permit number and AIRS ID. Results of the GRI GlyCalc model run using the most recent wet gas analysis and recorded operational values (including gas throughput, lean glycol recirculation rate and inlet gas temperature) have been submitted to the Division as part of the self-certification process. I certify that this dehydrator is in compliance with the emission standards of Colorado Regulation No. 7, XVlll.D. The responsible official whose signature appears below further certifies to the following: I have reviewed the above paragraphs, the terms and conditions of the Construction Permit referenced above, and the information being submitted for final approval of this permit in its entirety. Based on information and belief formed after reasonable inquiry, I certify that the source is in full compliance with each permit condition of this construction permit, and the statements and infonnation contained in this submittal are true, accurate and complete. Please note that the Colorado Statutes state that any person who knowingly, as defined in § 18-1-501(6), C.R.S., makes any false material statement, representation, or certification in this application is guilty of a misdemeanor and may be punished in accor dance with the provisions of§ 25-7 122.1, C.R.S. Printed or Typed Name Signature AIRS ID: 045/1046/015 Permit Number: 1OGA1308 Issuance 1 T itle Date Signed Page 3 of 3 STATE OF COLORl\00 COLORA DO DEPARTMENT OF PUBLIC HEAL TH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 10GA1959 Issuance 1 DATE ISSUED: J UNE 21, 2011 ISSUED TO: EnCana Oil & Gas {USA) Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Natural gas c om pression facility, known as t he High Mesa Compressor Station, located in SENW Section 36, Township 7S , Ra nge 96W, i n Garfield County, Colorado. THE SPECIFIC EQUIPMENT OR A CTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facil i t y A I RS Descripti on Equipment ID Point One (1 ) Caterpillar, Model 36 16TA LE , Serial N umber To Be Determ ined. natural gas-fired , turbo-charged , 4SLB CE08 016 reciprocating internal com bustion eng ine, des ign-rated at 4735 horsepower at 1000 R PM . This engine sha ll be equi pped with an oxidation catalyst and air-fue l ratio control. 1 This em iss ion unit is used for natural gas compression. This e ngine ma y be replac ed wi th another eng ine in accord ance with the tem pora ry engine repl acem ent provision or with another Caterpillar 3616TALE engine i n accorda nce w ith the permanent replacement provision of the Alternate Operating Scenario (AOS), included in this permit as Attachment A THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE C OLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C .R.S. (25 -7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWI NG SPECIFIC TERMS AND CONDITIONS: REQU I R EMENT S TO SEL F-CER TIFY FO R F I N A L AUTHORI Z ATI ON 1. YOU MU ST notify the APCD no later than fifteen days after commencement of t he per mitted oper ation or activity by submitting a Not ice of Startup (NOS) form to t he APCD. T he N otice of Startup (NOS) form m ay be downloaded online at www.cdphe state co us/apidownloadfo1 ms.htm. Fai lure to notify the APCD of startup of the permitted source is a violation of AQCC Regulation No. 3, Part 8 , Section 111.G .1 and can result in the r evocation of the permit 2 W ithin one hundred and e ighty days (180) after commencement of operation , compl iance with the conditions conta ined o n this permit shall be demonstrated to the A IRS ID : 045/1046/016 Pa ge 1 of 16 N GEn gine Version 2009 -1 EnCana Oil & Gas (USA) Inc. Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Division It is the permittee's responsibility to self-certify compliance with the conditions . Failure to demonstrate comp liance within 180 days may result 1n revocation of the permit. (Reference: Regulation No. 3, Part B. 111.G.2). 3 This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source withir 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit: (i i) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date The Division may grant extensions of the deadline per Regulation No. 3 , Part B . 111.F 4 .b. (Reference: Regulation No. 3, Part B, 111.F.4.) 4 . The operator shall complete all initial compliance testing and sampling as required in this perm't and submit the results to the Division as part of the self-certification process (Reference: Regulation No 3 , Part B Section 111.E .) 5 The serial number of the subject equipment shall be provided to the Division within fifte en days (15) after commencement of operation . This information shall be included on the Notice of Startup (NOS) submitted for the equipment. (Reference: Regulation No. 3 , Part B , 11 1.E.) 6. The operator shall retain the permit final authorizat ion letter issued by the Division after completion of self-certificat ion, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7 Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference Regulation No. 3 , Part B , Section 11.A.4) Monthly Limits: Facility j AIRS Pounds per Month Equipment ID Poi nt NO x voe eEOS I 016 3884 4000 ·- Monthly limits are based on a 31-day month. Annual Limits: I T o ns per Year Facility AIRS Equipment ID Point NOx voe eE08 I 016 -- 22.9 23.6 Emission Type - co 1496 Point co Emission Type 8 .8 Point See "Notes to Permit Holder #4 for information on emission factors and methods used to calculate limits During the first twelve (12) months of operation compliance with both the montnly and yearly emission limitations s h all be required. After the first twelve {12) mon ths of operation, compliance with only the yearly limitation shall be required . AIRS ID : 045/1046/016 Page 2 of 16 I I I EnCana Oil & Gas (USA) Inc. Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Compliance with the annual limits shall be determined on a rolling (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. T he permit holder shall calculate monthly emissions and keep a compliance record on site or at a local field office with site responsi bility for Division review . 8 This engine shall be equipped with an oxidation catalyst and air-fuel ratio control. The oxidation catalyst shall reduce uncontrolled emissions to the emission levels listed in this section , above. Operating parameters of the control equ ipment are identified i n the operation and ma intenance plan. (Reference: Regulation No.3 , Part B , Section 111.E .) PROCESS LIMITATIONS AND RECORDS 9 This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part 8 , 11.A.4) Proc ess/Cons umptio n Limits Fa c ilit y A IRS Annual M o n t hly Limit Equipment Po int Process Par am eter Limit (3 1 days) ID C E08 016 Consumption of natural gas as a fuel 350 29.7 MMscf/yr MMscf/month During the first twelve (12 ) months of operation , compliance with both the monthly and yearly consumption limitations shall be required . After the first twelve (12) months of operation, compliance with only the yearly limitation shall be required . Compliance with the yearly consumption limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months ' data. The permit holder shall calculate monthly consumption of natural gas and keep a compliance record on site or at a local field office with site responsibility, for Division review . STATE AND FEDERAL REGULATORY REQUIREMENTS 10 The permit number and AIRS ID number shall be marked on the subject equipment for ease of identification . (Reference : Regu lation Number 3 , Part 8 , 111.E .) (State only enforceable). 11. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source . During periods of startup, process modification , or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six m inutes in any sixty consecutive minutes. (Reference : Regulation No. 1, Section 11.A.1 . & 4 .) 12 This source is subject to the odor requirements of Regulation No. 2 . (State only enforceable) 13 This source is subject to the requirements of: • Regulation No. 8, Part E . Subpart 111.FFFF: National Emissions Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and AIRS ID: 045/1046/016 Page 3 of 16 EnCana Oil & Gas (USA) Inc Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division • Regulation No. 8, Part E, Subpart I A. National Emission Standards for Hazardous Air Pollutants for Source Categories: General Provisions, 40 CFR Part 63 including but not limited to the following : • Emission and Ope ra ti ng Li m itations o 6 3.6600(b ) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following emission limitations (Table 2a , Subpart ZZZZ to Part 63): • reduce CO emissions by 93 percent or more, or • hmit concentration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02 o 63.6600(b) -If you own or operate a new or reconstructed 4SLB stationary RICE with a site rating of more than 500 brake HP located at major source of HAP emissions you must comply with the following operating limitations (Table 2b Subpart ZZZZ to Part 63) • maintain your catalyst so that the pressure drop across the catalyst does not change by more than 2 inches of water at 100 percent load plus or minus 10 percent from the pressure drop across the catalyst that was measured during the initial performance test ; and • maintain the temperature of your stationary RICE exhaust so t1at the catalyst inlet temperature is greater than or equal to 450 °F and less than or equal to 1350 °F. • General C omplianc e Requirements o §63.6605(a) -You must be in compliance with the emission limitations and operating limitations in this subpart that apply to you at all times, except during periods of startup , shutdown, and malfunction . o §63.6605(b) -If you must comply with emission limitations and operating limitations you must operate and maintain your stationary RICE . including air pollution control and monitoring equipment, in a manner consistent with good air pollution control practices for minimizing em1ss1ons at all times , including during startup, shutdown , and malfunction • Te st ing and Initia l Compl i ance Requirements o §63 .661 O(a ) -You must conduct the initial performance test or other initial com pliance demonstrations in Table 4 to Subpart ZZZZ of Part 63 that apply to you within 180 days after the compliance date that is specified for your stationary RICE in §63 6595 and according to the provisions 1n §63.7(a)(2) o §63.6615 -If you must comply with the emission limitations and operating limitations , you must conduct subsequent pe rformance tests semiannually (as per Table 3 of Subpart ZZZZ to Part 63). After you have demonstrated compliance for two consecutive tests , you may reduce the frequency of subsequent performance tests to annually. If the results of any subsequent A IRS ID: 045/1046/016 Pa ge 4 of 16 EnCana Oil & Gas (USA) Inc Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division annual performance test indicate the stationary RICE is not in compliance with the CO or formaldehyde emission limit ation , or you deviate from any of your operating limitations, you must resume semiannua l performance tests . o §63 .6625(a) -If you elect to install a GEMS as specified in Table 5 of this subpart, you must install , operate, and maintain a GEMS to monitor CO and either oxygen or C02 at both the inlet and the outlet of the control device according to the requirements in paragraphs 63.6625(a)(1) through 63 6625(4) of Subpart Z2ZZ to Part 63. o §63.6625(b) -If you are required to install a continuous parameter monitoring system (CPMS) as specified in Table 5 of this subpart, you must install , operate, and maintain each CPMS according to the requirements i n §63.8. o §63.6630(a) -You must demonstrate initial compliance with each emission and operating limitation that applies to you according to Table 5 of Subpart ZllZ to Part 63. o §63.6630(b) -During the 1nit1al performance test, you must establish each operating limitation in Tables 1 b and 2b of Subpart ZZZZ to Part 63 that applies to you . o §63.6630(c) -You must submit the Notification of Compliance Status containing the results of the initial compliance demonstration according to the requirements in §63.6645. • Continuous Compliance Require ments Delete this entire section if the engine is not one of the following : o §63.6635(b) -Except for monitor malfunctions, associated repairs , and required quality assurance or control activities (including , as applicable calibration checks and required zero and span adjustments}, you must monitor continuously at all times that the stationary RICE is operating. o §63.6635(c) -You may not use data recorded during monitoring malfunctions, associated repairs , and re quired quality assurance or control activities in data averages and calculations used to report emission or operating levels. You must, however, use all the valid data collected during all other periods. o §63.6640(a) -You must demonstrate continuous compliance with each emission limitation and operating limitation in Tables 1 a and 1 b and Tables 2a and 2b of subpart ZZZZ of Part 63 that apply to you according to methods specified in Table 6 of Subpart ZZZZ of Part 63. o §6 3.6640(b) -You must report each instance in which you d id not meet each emission limitation or operating limitation in Tables 1 a and 1 b and Tables 2a and 2b of Subpart ZZZZ of Part 63 that apply to you . These instances are deviations from the emission and operating limitations in this subpart. These deviations must be reported according to the requirements in §63.6650. If you change your catalyst. you must reestablish the values of the operating parameters measured during the initial performance test. When you reestablish the values of your operating parameters, you must also conduct a AIRS ID: 045/1046/016 Page 5 of 16 EnCana Oil & Gas (USA) Inc. Perm it No. 10GA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division performance test to demonstrate that you are meeting the required emission limitation applicable to your stationary RICE. o §63.6640(d) -Consistent with §§63 .6(e) and 63. 7(e)(1), deviations from the emission or operating limitations that occur during a period of startup, shutdown , or malfunction are not violations if you demonstrate to the Administrator's satisfaction that you were operating in accordance with §63.6(e)(1). For new, reconstructed, and rebuilt stationary RICE, deviations from the emission or operating limitations that occur during the first 200 hours of operation from engine startup (engine burn-in period) are not violations c §63.6640(e) -You must also report each instance 1n which you did not meet the requirements in Table 8 of Subpart ZZZZ to Part 63 that apply to you • Notifications, Reports and Record s o §63.6645(a) · If you own or operate a stationary RICE with a site rating of more than 500 brake HP located at a major sourc e o f HAP e missions you must submit all of the notifications in §§63.7(b) and (c), 63.B(e), (f)(4) and (f)(6), 63.9(b) through (e), and (g) and (h) that apply to you by the dates specified . o §63.6645(9) -If you are required to conduct a performance test, you must submit a Notification of Intent to conduct a performance test at least 60 days before the performance test is scheduled to begin as required in §63 . 7(b)(1 ). o §63 .6645(h) -If you are required to conduct a performance test or other initial compliance demonstration as specified 1n Tables 4 and 5 of Subpart ZZZZ to Part 63, you must submit a Notification of Compliance Status according to §63. 9(h)(2)(ii). • §63.6645(h)(1) -For each initial compliance demonstration required in Table 5 of Subpart ZZZZ to Part 63 that does not include a performance test, you must submit the Notification of Compliance Status before the close of business on the 30th day following the completion of the initial compliance demonstration . • §63 .6645(h)(2) -For each 1n1t1al compliance demonstration req..Jired in Table 5 of Subpart ZZZZ to Part 63 that includes a performance test conducted according to the requirements in Table 3 to this subpart. you must submit the Notification of Compliance Status, including the performance test results , before the close of business on the 60th day following the completion of the performance test according to §63 .1 O(d)(2). o §63.6650(a) -You must submit each report in Table 7 of Subpart ZZZZ to Part 63 that applies to you. o §63.6655(a) -If you must comply with the emission and operating limitations , you must keep the records described in §63.6655(a)(1) through (a)(3), §63.6655 (b)(1) through (b)(3) and §63.6655 (c). o §63.6655(d) -You must keep the records required in Table 6 of Subpart ZZZZ of Part 63 to show continuous compliance with each emission or operating limitation that applies to you. AIRS ID: 045/1046/016 Page 6 of 16 EnCana O il & Gas (USA) Inc. Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Envi ronment A ir Pollution Control Division o §63.6660(a) -Your records must be in a form suitable and readily available for exped it ious review according to §63 .1 O(b)(1 ). o §63.6660(b) -As specified 1n §63.10(b)(1), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance. corrective action , report, or record . o §63.6660(c) -You must keep each record readily accessible in hard copy or electronic form on-s ite for at least 2 years after the date of each occurrence. measurement. ma intenance. corrective action , report , or record, according to §63.10(b)(1). You can keep the records off-site for the remai ning 3 years. • O the r Requirements and Informat io n o §63.6665 -Table 8 to th is subpart shows which parts of the General Provisions in §§63.1 through 63 .15 apply to you . OPERATING & MAINTENANCE REQUIREMENTS 14 . Upon startup of this point , the applicant shall follow the operating and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to you r O&M plan are subject to Division approval prior to implementation . (Reference: Regulation No. 3, Part B, Section 111.G .7 .) COMPLIANCE TESTING AND SAMPLING Initial Te sting Requ i rements 15. A source initial compliance test shall be conducted on emissions point 016 to measure the em ission rate(s) for the pollutants listed be low in order to demonstrate compliance w ith the emissions li mits contained in this permit. The test protocol must be in accordance with the requi rements of the Air Pollution Control Division Compliance Test Manual and shall be submitted to the Division for review and approval at least thirty (30) days prior to testing . No compliance test shall be conducted without prior approval from the Division . Any compliance test conducted to show compliance with a monthly or annual emission l imitation shall have the results projected up to the monthly or annual averaging time by mu ltiplying the test results by the allowable number of operating hours for that averaging time (Reference Regulation No . 3, Part B .. Section 111.G 3) Oxides of Nitrogen Carbon Monoxide Periodic Testing Requirements 16 This engine is subject to the periodic testing requirements as specified in the operating and mai ntenance (O&M ) plan as approved by the Divis ion . Revisions to your O&M plan are subject to Divis ion approval. Replacements of th is unit completed as Alternative Operating Scenarios may be subject to additional testing requirements as specified in Attachment A. ADDI T IONAL REQUIREMENTS 17. A revised Air Pollutant Em ission Notice (APEN) shall be filed : (Reference : Regulation No 3 , Part A , 11.C ) a. Annually whenever a significant increase in emissions occurs as fo llows : A IRS ID: 045/1046/016 Page 7 of 16 EnCana Oil & Gas (USA} Inc. Permit No. 10GA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For a ny criteria po llutant: For sources emitting less than 100 t o ns per year. a change in actual emissions of fi ve (5) to ns per year or more. above the level reported on the last APEN ; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5 ) tons per year, whichever is less , above the level reported on the last APEN submitted to the Division b . Whenever there is a change in the owner or operator of any facility process , or activity ; or c . Whenever new control equipment is install ed, or whenever a different type of control equipment replaces an existing type of control equipment; or d . Whenever a permit limitation must be modified or e. No later than 30 days before the existing A PEN expires f . W ithin 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this per'llit as Attachment A. The APE N shall include the specific manufacturer model and serial number and horsepower of the permanent replacement engine , the appropriate APEN filing fee and a cover letter explaining that the permittee is exercising an alternative-operating scenario and is installing a permanent replacement engine . 18 This source is subject to the provisions of Regulation Number 3 , Part C , Operating Permits (T itl e V of the 1990 Federal Clean Air Act Amendments). The provisions of this construction permit must be incorporated into the operating permit. The application for the modification to the Operating Permit is due w ithin one year of commencement of operation of the equ ipment or modification covered by th is permit. 19. Prevention of Significant Deterioration (PSD) requirements shall apply to this source at any such time that this sou rce becomes major solely by virtue of a relaxation in any perm it condition. Any relaxa tion that increases the potential to emit above the appl icable PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source . The source shall not exceed the PSD threshold until a PSD permit is granted. (Regulation No . 3 Part D , Vl.B.4) GENERAL TERMS AND CONDITIONS: 20 . This permit and any atta chments must be retained and made ava il able for inspection upon request. T he permit may be reissued to a new owner b y t he APCD as provided in AQCC Regulation No . 3, Part B , Section 11.8 upon a requ est for transfer of ownership and the submittal of a revised APEN and the required fee 21. If this permit specifica lly states that final authorization has been granted , then the remainder of this condition is not applicable . Otherwise , the issuance of th is construction permit does not provide "fin al" a uthority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in w riting in accordance with the provisions of 25-7-114 5(12)(a) C.R.S. and AQCC Regu lation No . 3, Part B . Section 111.G Final authorization cannot be granted until the operation or activity commences and has been verified by the A PCD as conforming in all respects with the conditions of the permit. Once self-certifica tion of all poi nts has been revi ew ed and approved by the AI R S ID: 045/1046/016 Page 8 of 16 EnCana Oil & Gas (USA) Inc. Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Division , it will provide written documentation of such final authorization. Details for obtaining final authorization to ope rate are located in th e Requirements to Self- Certify for Final Authorization section of this permit. 22 This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction , installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 23 Unless specifically stated otherwise , the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114 .5(7)(a), C.R.S . 24. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio . This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC). including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant , or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division 's action . 25 Section 25-7-114.7(2)(a), C .R.S . requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration . If a source or activity is to be discontinued , the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification , annual fee billing will terminate . 26 Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122 .1 (criminal penalties), C.R.S . By : 1J.. s . /{) Stephanie Chaousy , PE Permit Engineer P ·t H" t e rm1 IS O ry Issuance Date Issuance 1 This Issuance AIRS ID: 045/1046/016 De scription New engine at a major source facility . Page 9 of 16 EnCana Oil & Gas (USA) Inc Permit No 1OGA1959 Issuance 1 Notes to Permit Holder· Colorado Department of Public Health and Environment Air Pollution Control Division 1) The production or raw material processing limits and em1ss1on limits contained in this perrnt are based on the consumption rates requested in the permit application. These limits may be revised upon request of the permittee providing there 1s no exceedance of any specific emission control regulation or any ambient air quality standard. A revised a ir pollution emission notice (APEN) and appl ication form must be submitted with a request for a permit revision. 2) Th is source is subject to the Common Prov1s1ons Regu lation Part II . Subpart E, Affirmative Defense Prov·sion for Excess Em1ss1ons Dunng Malfunctions The perm1ttee shall notify the Division of any malfunction condition which causes a violation of any emission hm1t or limits stated in this permit as soon as possible , but no later than noon of the next working day 'allowed by wntten notice to the Division addressing all of the criteria set forth in Part 11.E 1. of the Common Provisions Regulation . See: http.//www. cdphe. state. co. us/regulation s/airregs/1 00102aqcccommonprovisionsreg. pdf. 3) The following emissions of non-criteria reportable air pollutants are estimated based upon the process imits as indicated n this permit. This information is listed to inform the operator of the D1v 1s1 o n s ana ysis of the spec 'ic compounds emitted 1f the source(s) operate at the permi tted limitations I I I Uncontrolled Emission I Are the Controlled AIRS I Rate emissions Emission Point Pollutant CAS# BIN (lb/yr) reportable? Rate (l b/yr ) Formaldehyde 50000 A 36578 ' Yes 9145 - Acetaldehyde 75070 A 2972 Yes 1486 Acrolein 107028 A 1828 Yes 914 016 Methanol 67561 c 889 No 889 n-Hexane 110543 c 395 No 395 Toluene + 108883 c I 145 I No 145 1 1,3-Butadiene 106990 A 95 Yes 95 4) The emission levels contained in this permit are based on the following emission factors· Point 016: Emission Factors - I Emission Factors - Uncontrolled Controlled CAS Pollutant lb/MM Btu Q/bhp-hr lb/MM Btu g/bhp-hr NOx 0.1286 0.5 0.1285 0.5 co I 0.7073 0.0495 -2.75 0.1925 ---voe 0 2649 1 03 0.1325 I 0.515 -50000 Formaldehyde 0.1029 0.4 I 0.0257 I 0.1 -I I -75070 Acetaldehvde 0.0084 0.0325 I 0.0042 0.0163 107028 Acrolein 0 .0051 0.0199 I 0.0026 0 0099 -67561 Methanol 0.0025 0.0097 0 .0025 0 0097 110543 n-Hexane 0.0011 0.0043 0 .001 1 0.0043 -108883 Toluene 0.0004 0.0016 0.0004 0.00 16 106990 1,3-Butadiene 0.0003 0.0010 0.0003 0 .0010 Emission factors are based on a Brake-Specific Fuel Consumption Factor of 8572 Btuhp-hr, a site-rated horsepower value of 4735 , and a fuel heat value of 1020 Btu/set AIRS ID: 045/1046/016 Page 10 of 16 EnCana Oil & Gas (USA) Inc. Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Emission Factor Sources: CAS I Pollutant Uncontrolled EFSource Controlled EF Source I NOx Manufacturer Manufacturer co Manufacturer M anufacturer 1 voe Manufacturer Manufacturer 50000 Formaldehyde Manufacturer Manufacturer 5 ) In accordance w ith CR S 25-7-114.1 the Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years. The five-year term for this APEN expires on 8/24/2015. A revised APEN shall be submitted no later than 30 days before the five-year term expires. 6 ) This facility is classified as follows: Applicable I Requirement Status Operating Permit Major Source NOx, voe, HAPS PSD Synthetic Minor Source co. voe MACT HH Area Source Requirements: Not Applicable MACT ZZZZ Maj or Source Requiremen ts: Applicable 7 ) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the websi te listed below: http://ecfr.gpoaccess.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A -Subpart KKKK N S P S I Part 60, Append ixes A ppendix A -Appendix I - Part 63: National Emi ssion Standards for Hazardous Air Pollutants for Sour ce Categories MACT 63.1-63 599 Subpart A -Subpart Z MACT I 63.600-63 1199 Subpart AA -Subpart DOD MACT 63.1200-63.1439 Subpart EEE -Subpart P PP MACT 63.1440-63.6175 Subpart QQQ -Subpart YYYY MACT 63 6580-63 8830 Subpart ZZZZ -Subpart MMMMM MACT 63.8980-End S ubpart N NNN N - Su bpart XXX XXX 8 ) An Oil and Gas Industry Construction Permit Self-Certification Form 1s included with this permit packet. Please use th is form to complete the self-certification requirements as specified in the permit conditions. Further guidance on self-certification can be found on our website at hap ,,11,•.w.cdpt1e Slci:e co .... s.apm1lgaspe; m1tt1 .. ~ h< .... AIRS ID: 045/1046/016 Page 11 of 16 EnCana Oil & Gas (USA) Inc. Permit No. 10GA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division ATTACHMENT A: ALTERNATIVE OPERA TING SCENARIOS RECIPROCATING INTERNAL COMBUSTION ENGINES December 10 , 2008 The following Alternative Operating Scenano (AOS) for the temporary and permanent replacement of natural gas fired reciprocating internal combustion engines has been reviewed in accordance with the requirements of Regulation No. 3 Part A , Section IV A , Operational Flexibility-Alternative Operating Scenarios , Regulation No. 3 Part B, Construction Permits. and Regulation No 3 . Part D Ma1or Stationary Source New Source Review and Prevention of Significant Deterioration, and it has been found to meet a ll applicable substantive and procedural requirements This permit incorporates and shall be considered a Construction Permit for any engine replacement performed in accordance with this AOS and the permittee shal be allowed to perform such engine replacement without applying for a revision to this permit or obtaining a new Construction Permit A .1 Engine Replacement The following AOS is incorporated into this permit in order to deal with a compressor engine breakdown or periodic routine maintenance and repair of an existing onsite engine that requires the use of either a temporary or permanent replacement engine. "Temporary" is defined as in the same service for 90 operating days or less in any 12 month period "Permanent" is defined as in the same service for more than 90 operating days in any 12 month period The 90 days 1s the total number of days that the engine is in operation. If the engine operates only part of a day, that day shall count as a single day towards the 90-day total The compliance demonstrations and any penod1c monitoring required by this AOS are in addition to any compliance demonstrations or periodic monitoring required by th is permit. All replacement engines are subject to all federally applicable and state-only requirements set forth in this permit (including monitoring and record keeping) The results of all tests and the associated calculations required by this AOS shall be submitted to th e Division within 30 calendar days of the test or within 60 days of the test 1f such testing 1s required to demonstrate compliance with NSPS or MACT requirements. Results of all test s shall be kept on s ite for f ive (5) years and made available to the Division upon request. The permittee shall maintain a log on-site and contemporaneously record the start and stop date of any engine replacement, the manufacturer, date of manufacture, model number. horsepower, and serial number of the engine(s) that are repl aced during the term of this permit , and the manufacturer, model number. horsepower. and serial number of the replacement engine In addition to the log, the permittee shall maintain a copy of all Applicability Reports required under section A 1.2 and make them available to the Division upon request. A 1.1 The perm1ttee may temporarily replace an existing compressor engine that is sub1ect to the emission limits set forth in this permit with an engine that is of the same manufacturer model. and horsepower or a different manufacturer, model or horsepower as the existing engine without modifying this permit , so long as the emissions from the temporary replacement engine comply with the emission limitations for the existing permitted eng ine as determined in section A.2 . Measurement of emissions from the temporary replacement engine s hall be made as set forth 1n section A.2. A.1 2 The perm1ttee may permanently replace the existing compressor engine with an engine that 1s of the same manufacturer. model and horsepower without modifying this permit so long as the emissions from the permanent replacement engin e comply with 1) the permitted annual emission limitations for the AIRS ID: 045/1046/016 Page 12 of 16 EnCana Oil & Gas (USA) Inc Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division existing engine, 2) any permitted short-term emission limitations for the existing permitted engine, and 3) the applicable emission limitations as set forth in the Applicability Report submitted to the Division with the Air Pollutant Emissions Notice (APEN) for the replacement engine (see http://www.cdphestate.co us/ap/oilgaspermitting html for example applicability report formats). Measurement of emissions from the permanent replacement engine and compliance with the applicable emission limitations shall be made as set forth in section A.2 An Air Pollutant Emissions Notice (APEN ) that includes the specific manufacturer model and serial number and horsepower of the permanent replacement engine shall be filed with the Division for the permanent replacement engine within 14 calendar days of commencing operation of the replacement engine. The APEN shall be accompanied by the appropriate APEN filing fee, a cover letter explaining that the permittee is exercising an alternative operating scenario and is installing a permanent replaceme1t engine, and a copy of the relevant Applicability Reports for the replacement engine. Example Applicability Reports can be found at http //www cdphe .state .co.us/ap/oilgaspermitting .html. This submittal shall be accompanied by a certification from a person legally authorized to act on behalf of the source indicating that "based on the information and belief formed after reasonable inquiry, the statements and information included in the submittal are true . accurate and complete" Thts AOS cannot be used for permanent engine replacement of a grandfathered or permit exempt engine or an engine that is not subject to emission limits. The permittee shall agree to pay fees based on the normal permit processing rate for review of information submitted to the Division in regard to any permanent engine replacement. A.2 Portable Analyzer Testing Note. In some cases there may be conflicting and/or duplicative testing requirements due to overlapping Applicable Requirements. In those instances, please contact the Division Field Services Unit to discuss streamlining the testing requirements. Note that tne testing required by this Condition may be used to satisfy the periodic testing requirements specified by the permit for the re levant time period (i e. if the permit requires quarterly portable analyzer testing , this test conducted under the AOS will serve as the quarterly test and an additional portable analyzer test is not required for another three months). The permittee may conduct a reference method test, in lieu of the portable analyzer test required by this Condition, if approved in advance by the Division . The permittee shall measure nitrogen oxide (NOX) and carbon monoxide (CO) emissions in the exhaust from the repl acement engine using a portable flue gas analyzer within seven (7) calendar days of commenci1g operation of the replacement engine. All portable analyzer testing required by this permit shall be conducted using the Division 's Portable Analyzer Monitoring Protocol (ver March 2006 or newer) as found on the Division's website at: http://www.cdphe .state.co us/ap/down/portanalyzeproto.pdf Results of the portable analyzer tests shall be used to monitor the compliance status of this unit. For comparison w ith an annual (tons/year) or short term (lbs/unit of time) emission limit, the results of the tests shall be converted to a lb/hr basis and multiplied by the allowable operating hours in the month or year (whichever applies) m order to monitor compliance If a source is not limited in its hours of operation the test results will be multiplied by the maximum number of hours in the month or year (8760), whichever applies. AIRS ID: 045/1046/016 Page 13 of 16 EnCana Oil & Gas (USA) Inc Permit No. 1OGA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division For comparison with a short-term limit that is either input based (lb/mmBtu), output based (g/hp-hr) or concentration based (ppmvd @ 15% 02) that the existing unit is currently subject to or the replacement engine will be subject to. the results of the test shall be converted to the appropriate units as described in the above-mentioned Portable Analyzer Monitoring Protocol document. If the portable analyzer results indicate compliance with both the NOX and CO emission limitat ions, in the absence of credible evidence to the cont rary, the source may certify that the engine is in compliance with both the NOX and CO emission limitations for the relevant time period. Subject to the provisions of C R S 25-7-123. 1 and in the absence of credible evidence to the cortrary if the portable analyzer results fail to demonstrate compliance with either the NOX or CO emission limitations, the engine will be considered to be out of compliance from the date of the portable analyzer test until a portable analyzer test indicates compliance with both the NOX and CO emission limitations or until the engine is taken offhne. A .3 Applicable Regulations for Permanent Engine Replacements A 3 .1 Reasonably Available Contra. Technology (RACT). Reg 3 , Part B § II D .2 All permanent replacement engines that are located in an area that 1s classified as attainment/maintenance or nonattainment must apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is attainment/maintenance or nonattainment. Note that both voe and NOX are orecursors for ozone. RACT shall be applied for any level of emissions of the pollutant for which the area is in attainment/maintenance or nonattainment except as follows· In the Denver Metropolitan PM10 attainment/maintenance area, RACT applies to PM10 at any level of emissions and to NOX and S02. as precursors to PM 10, if the potential to emit of NOX or S02 exceeds 4 0 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural-gas fired reciprocating internal combustion engines voe CO. NOX- S02 PM10 The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ The emission limitations in NSPS JJJJ Use of natural gas as fuel Use of natural gas as fuel As defined m 40 CFR Part 60 Subparts GG (§ 60.331) and 40 CFR Part 72 (§ 72 2), natural gas contains 20.0 grains or less of tota l sulfur per 100 standard cubic feet A.3.2 Control Requirements and Emission Standards: Regulation No. 7, Sect ions XVI. and XVll.E (State-Only conditions) Control Requirements. Section XVI Any permanent replacement engine located within the boundaries of an ozone nonattainment area is subject to t he applicable control requirements specified in Regulation No. 7, section XVI, as specified below: Rich burn engin es with a manufacturer's design rate greater than 500 hp shall use a non- select1ve catalyst and air fuel controller to reduce emission AIRS I D: 045/1046 /016 Page 14 of 16 EnCana Oil & Gas (USA} Inc. Permit No. 10GA1959 Issuance 1 Colorado Department of Public Health and Environment Air Pollution Control Division Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. The above emission control equipment shall be appropriately sized for the engine and shall be operated and maintained according to manufacturer specifications The source shall submit copies of the relevant Applicability Reports required under Condition A 1.2 . Emission Standards_ Section XVll.E -State-only requirements Any permanent engine that 1s either constructed or relocated to the state of Colorado from another state, after the date listed in the table below sha ll operate and maintain each engine according to the manufacturer's written instructions or procedures to the extent practicable and consistent with technological limitations and good engineering and maintenance practices over the entire life of the engine so that it achieves the emission standards required in the table below· Max Engine HP Construction or Emission Standards in G /hp-hr Relocation Date NOx co voe January 1, 2008 2.0 4 .0 1.0 100<Hp<500 January 1. 2011 1.0 2 .0 0.7 5005_Hp July 1, 2007 2.0 4 .0 1 .0 July 1, 2010 1.0 2 .0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition A 1.2 A3.3 NSPS for spark ignition internal combustion engines· 40 CFR 60, Subpart JJJJ A permanent replacement engine that is manufactured on or after 7/1/09 for emergency engines greater than 25 hp, 7/1/2008 for engines less than 500 hp, 7/1/2007 for engines greater than or equal to 500 hp except for lean burn engines greater than or equal to 500 hp and less than 1,350 hp, and 1/1/2008 for lean burn engines greater than or equal to 500 hp and less than 1 ,350 hp are subject 40 CFR 60, Subpart JJJJ. An analysis of applicable monitoring, record keeping, and reporting requirements for the permanent engine replacement sha ll be included in the Applicability Reports required under Condition A.1.2. Any testing required by the NSPS is in addition to that required by th is AOS. Note that the initial test required by NSPS Subpart JJJJ can serve as the testing required by this AOS under Condition A.2 , if approved in advance by the D1vis1on . provided that such test is conducted within the time frame specified in Condition A2 Note that under the provisions of Regulation No. 6 Part B. section I. B. that Relocation of a source from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of Regulation No. 6 (i.e., the date that the source is first relocated to Colorado becomes equivalent to the manufacture date for purposes of determining the applicability of NSPS JJJJ requirements). However, as of November 1, 2008 the Division has not yet adopted NSPS JJJJ. Until such time as it does, any engine subject to NSPS will be subject only under Federal law. Once the Division adopts NSPS JJJJ there will be an additional step added to the determination of the NSPS. Under the provisions of Regulation No. 6. Part B, § 1.8 (which is referenced in Part A). any engme relocated from outside of the State of Colorado into the State of Colorado is considered to be a new source, subject to the requirements of NSPS JJJJ A 34 Reciprocating internal combu stion engine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ AIRS ID: 045/1046/016 Page 15 of 16 EnCana Oil & Gas (USA) Inc. Permit No. 10GA1959 Issuance 1 A.3 4.1 Area Source for HAPs Colorado Department of Public Health and Environment Air Pollution Control Division A permanent replacement engine located at an area source that commenced construction or reconstruction after June 12 2006 as defined in § 63 2, will meet the requirements of 40 CFR Part 63 Subpart ZZll by meeting the requirements of 40 CFR Part 60 Subpart JJJJ An analysis of the applicable monitoring, recordkeeping and reporting requirements for the permanent engine replacement shall be included in the Applicability Reports required under Condition A 1 2 Any testing required by the MACT is 1n addition to tliat required by this AOS Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A 2 if approved in advance by the Div:sion provided that such test is conducted within the time frame specified in Condition A.2 . A.3 .4 .2 Major source for HAPs A permanent replacement engine that is located at major source is subject to the requirements in 40 CFR Part 63 Subpart ZllZ as follows Existing , new or reconstructed spark ignition 4 stroke · 1ch burn engines w·th a s'te rating of more than 500 hp are subject to the requirements m 40 CFR Part 63 Subpart ZZll New or reconstructed (construction or reconstruction commenced after 12, 19/02) 2 stroke and 4 stroke lean burn engines with a site rating of more than 500 hp are subject to the requirements in 40 CFR Part 63 Subpart ZZZZ. New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of greater than or equal to 250 but less or equal to 500 hp and were manufactured on or after 1/1/08 are subject to the requirements m 40 CFR Part 63 Subpart zzzz . New or reconstructed (construction or reconstruction commenced after 6/12/06) 2 stroke lean bum or 4 stroke nch burn engines with a site rating of 500 hp or ess will meet the requirements of 40 CFR 63, Subpart ZZll by meeting the requirements of 40 CFR 60 Subpart JJJJ New or reconstructed (construction or reconstruction commenced after 6/12/06) 4 stroke lean burn engines with a site rating of less than 250 hp will meet the requirements of 40 CFR 63, Subpart ZZZZ by meeting the requirements of 40 CFR 60, Subpart JJJJ. An analysis of the applicable monitoring recordkeeping. and reporting requirements for the permanent engine replacement shall be included 1n the Applicability Reports required under Condition A 1 2 Any testing required by the MACT 1s m addition to that required by this AOS Note that the initial test required by the MACT can serve as the testing required by this AOS under Condition A2 if approved in advance by the Division, provided that such test 1s conducted within the time frame specified in Cond1t1on A.2 . A.3 5 Additional Sources The replacement of an existing engine with a new engine is viewed by the Division as the installation of a new emissions unit, not "routine replacement" of an existing unit. The AOS is therefore essent ially an advanced construction permit review The AOS cannot be used for additional new emission points for any site· an engine that is being installed as an entirely new emission point and not as part of an AOS- approved replacement of an existing onsite engine has to go through the appropriate Construction/Operating permitting process prior to installation AIRS ID: 045/1046/016 Page 16 of 16 Colorado Department of Public Health and Environment Air Pollution Control Division OIL AND GAS INDUSTRY CONSTRUCTION PERMIT SELF- CERTIFICATION FORM PERMIT NO: 10GA1959 AIRS ID: 045/1046/016 Issuance 1 ISSUED TO: EnCana Oil & Gas (USA) Inc. IMPORT ANT NOTICE TO PERMIT HOLDER: The following Self-Certification document must be completed and submitted within 180 days of starting any and all equipment described in the above permit. PURSUANT TO C .R.S.§25-7-114.5, FAILURE TO SUBMIT A COMPLETE SELF-CERTIFICATION FOR EACH UNIT WITHIN 180 DAYS OF START-UP MAY RESULT IN FORMAL ENFORCEMENT ACTION AUTHORIZED BY C.R.S. §25-7-115, UP TO AND INCLUDING PERMIT REVOCATION. This document must be completed and signed by a responsible official as defined under Colorado Air Quality Control Commission Regulation No. 3 , Part A , §1.8.38. To complete this form, initial on the appropriate lines below. All supporting documentation must be submitted with this form. A Construction Permit Final Authorization to Operate will be issued only if all permit conditions are being met. Please save a copy of this completed form for your records. 1. Start-up The following equipment as described in permit number 1OGA1959 has been installed and started: All equipment described in this permit has been installed and started. Notice of Start-up(s) have been filed, and this self-certification document encompasses all equipment listed on the permit. 2. Opacity I certify this equipment is generating no visible emissions in excess of permit limits. (Formal Visible Emissions reading NOT required). 3. Emissions and Process Limits AIRS ID : 045/1046/016 Perm it Number: 1 OGA1959 Issuance 1 Page 1of3 Colorado Department of Publ ic Health and Environment Air Pollution Control Division I certify that this source is in compliance with the permit's process limits for Natural Gas Consumption. 4 . Operations and Maintenance Plan I certify that upon start-up, this source began following the O&M plan submitted with the permit application, and continues to do so. I certify that to calculate emissions, this source is using the emission factors or methodology described in the permit. I certify that this source is in compliance with the permit's short-term emissions limits. 5. Compliance Testing and Sampling I certify that the required compliance testing for the equipment described in Section 1 above has been completed, and the results: D were submitted to the Division on ______ (DATE). D will be submitted to the Division on or before ______ (DATE). 6. NSPS & MACT I certify this source is in compliance with the applicable requirements of: NSPS NESHAP/MACT Not applicable 40 CFR 63 Subpart ZZZZ. requirements for engines greater than 500 hp at major sources of HAPs Note that NSPS JJJJ, MACT ZZZZ requirements for engines at area sources and MACT ZZZZ requirements for e ngines less than or equal to 500 horsepower at major sources of HAP are not currently adopted in to Colorado Regulation No. 6 and are therefore not incorporated into Issuance 1 of Permit No. 1OGA1959 7. Other Requirements I certify that the serial #was submitted with the Notice of Start-up. AIRS ID: 045/1046/016 Permit Number : 1OGA1959 Issuance 1 Page 2 of 3 Colorado Department of Public Health and Environment Air Pollution Control Division I certify that the each piece of equipment has been marked with the permit number and AIRS ID. The responsib le official whose signature appears below further certifies t o the following : I have reviewed the above paragraphs, the terms and conditions of the Construction Permit referenced above, and the information being submitted for final approval of this permit in its entirety. Based on information and belief formed after reasonable inquiry, I certify that the source is in full compliance with each permit condition of this construction permit, and the statements and information contained in this submittal are true, accurate and complete. Please note that the Colorado Statutes state that any person who knowingly, as defined in § 18-1 -501(6), C.R.S., makes any false material statement, representation, or certification in this application is guilty of a misdemeanor and may be punished in accordance with the provisions of§ 25-7 122.1, C .R.S. Printed or Typed Name Signature A IRS ID : 045/1046/016 Permit Number: 1OGA1959 Issuance 1 Title Date Signed Page 3 of 3 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Fugitive Dust Control Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 - 1 - Summit and Grand River Gathering, LLC Fugitive Dust Control Plan Piceance Basin Natural Gas Development Projects Piceance Unit Scope The scope of these guidelines is to outline some basic principles to minimize and control fugitive dust emissions during land development. Requirements Encana places the highest priority on the health and safety of our workforce and protection of our assets and the environment. Applicable Documents Departm ent of Public Health and Environment Air Quality Control Commission Regulation 1 5CCR 1001-3 Quality These guidelines will be reviewed periodically and will be shared with employees and contractors to ensure that they have adequate knowledge to minimize fugitive dust emissions. 1.0 Introduction Land development activities, including clearing, excavating, and grading, release fugitive dust, a pollutant regulated by the Air Pollution Control Division (Division) at the Colorado Department of Public Health and Environment. However, small land development activities that are less than 25 contiguous acres and less than 6 months in duration do not need to report air emissions to the Division, but must use appropriate control measures to minimize the release of fugitive dust from the site. This Fugitive Dust Control Plan addresses how dust will be kept to a minimum at the Summit/Grand River Gathering’s Project sites. This plan focuses action on: 1. Identifying specific individual sources of fugitive dust. 2. Control options for unpaved roadways. 3. Control options for disturbed areas. 4. Control options for transport, storage and handling of bulk materials. 5. Contingency Plan for alternative action in the event that control strategies are not adequate, effective, or practicable. 2.0 Specific Sources Specific types of fugitive dust sources may appear to have negligible dust emissions, but when combined with other specific sources underway at the same time can create dust plumes that are visible beyond that which is appropriate for designated speeds and designs and may exceed nuisance emission limitation guidelines. It is important to consider all activities on the site together in determining compliance with federal, state, and local air quality regulations. - 2 - Task: Provide field personnel and contractors with the information required to limit fugitive particulate matter (fugitive dust) from all specific sources to include: • Unpaved Roadways and traffic areas. • Construction activities including Earth Moving and excavation. • Bulk Material (i.e. gravel and soils). • Storage and handling of materials 3.0 Control Options for Unpaved Roadways Any owner or operator responsible for construction or maintenance of any (existing or new) unpaved roadway is required to use all available, practical methods to minimize dust emissions: Task: Provide guidelines for minimizing fugitive dust emissions from all specific sources on unpaved roadways and traffic areas: • Require that all passenger vehicles, construction equipment, and truck traffic obey the posted speed limits on all unpaved County roads to and from the project site. • Ensure that vehicle speeds on new and existing access roads on the project site do not exceed • 15 miles per hour by posting speed limits along these roads. • Restrict vehicle traffic to existing roads by posting signs and/or providing the locations of allowable access routes to all field personnel and visitors. • Encourage carpooling to and from the project site to limit traffic on existing County roads. • Roads and well locations will be surfaced with compacted gravel to protect against wind erosion, to reduce the amount of fugitive dust generated by traffic and other activities, and to reduce carryout/trackout. • Use dust inhibitors (surf acing materials, water, or non-saline dust suppressants) on all unpaved collector, local, and resource roads to prevent fugitive dust problems (ensure that any dust suppressants used are appropriate for road conditions and will not compromise the safety of workers on the project site). • Restrict vehicular access during periods of inactivity using gates, fencing, and/or onsite security personnel. 4.0 Control Options for Disturbed Areas Disturbed areas include new roads, well pads, parking and staging areas, and materials storage areas that have been cleared of vegetation, leveled, or excavated. These areas are susceptible to wind erosion and are a major source of fugitive dust emissions that require the appropriate controls and dust mitigation methods. Note that specific sources are subject to change as project conditions change, and will require an evaluation of current control options to ensure effectiveness and practicality. Task: Limit the adverse impacts of fugitive dust emissions through control measures and operational procedures designed so that no off-property transport emissions occur at the project site: - 3 - • Ensure that land clearing, grading, earthmoving, and excavation activities are suspended when wind speeds exceed a sustained velocity of 20 miles per hour. • Surface all bare ground with gravel as soon as practicable after clearing, leveling, and grading. • Use dust inhibitors (surfacing materials, water, or non-saline dust suppressants) on all disturbed areas as necessary to prevent fugitive dust problems. • Identify the water source to be used for dust suppression, and ensure that contract water haulers are available when needed. • Reduce the amount of time between initially disturbing the soil and revegetating or other surface stabilization. • Apply vegetative or synthetic cover to topsoil and spoil piles as soon as practicable following stockpiling to prevent wind erosion and fugitive dust emissions. • Compact the soil on disturbed areas that will not be surfaced with gravel or revegetated immediately following construction. • Minimize surface disturbance to only that necessary for safe and efficient construction and operations. • Use vegetative mulch, reseeding, or other methods of surface stabilization on all areas adjoining development to include shoulders, borrow ditches, and berms if practical. • Restrict vehicular access during periods of inactivity using gates, fencing, and/or onsite security personnel. • Identify any new sources of fugitive dust emissions and evaluate and implement the appropriate control methods for that source. • Incorporate fugitive dust controls in all lands projects. 5.0 Control Options for Transport, Storage and Handling of Bulk Materials Transporting bulk materials, such as gravel and fill material, can result in off-property dust emissions and other impacts (i.e. broken windshields) over some distance if the appropriate control measures are not implemented. Storage and handling of bulk materials once they arrive at the project site also requires that controls are in place to ensure that these materials do not exceed regulated nuisance dust emissions. Task: Use control measures and operational procedures designed so that no off-property transport emissions occur along public roadways to and from the project site: • Enclose, cover, water, or otherwise treat loaded haul trucks to minimize the loss of material to wind and spillage. • Require that all contract haul vehicles obey the posted speed limits on all public roadways to and from the project site. • Ensure that haul truck speeds on new and existing access roads on the project site do not exceed 15 miles per hour by posting speed limits along these roads. • Restrict haul trucks to existing roads and pad locations. • Do not attempt to load/unload haul trucks when wind speeds exceed a sustained velocity of 20 miles per hour. • Promptly remove dust-forming material from haul trucks to minimize entrainment of fugitive particulate matter. • Avoid storage and handling of bulk material any more than necessary to complete construction. - 4 - • Use covers, enclosures, wind breaks, or watering to prevent fugitive dust emissions from material storage piles • Restrict access to construction areas and storage piles during periods of inactivity using gates, fencing, and/or onsite security personnel. 6.0 Contingency Planning Alternative control measures may become necessary in the event that the current dust control strategy is not adequate or effective for conditions. An alternative plan may require addition planning, permitting, or other regulatory compliance requirements to implement. In this case, the current activities at the project site would necessarily be suspended until such time as the alternate dust control methods could be put into place. Task: Implement alternative action to fugitive dust control plan and to each specific source if deemed necessary to comply with federal, state, and local air quality regulations: • Provide field personnel and contractors with contact information for responsible individuals in cases where control measures need to be escalated in response to weather conditions (i.e. increased windiness). • Use an appropriate alternative dust inhibitor if water does not prove to be effective under normal circumstances, and obtain all regulatory permissions for the use of chemical suppressants on the project site. • Use vegetative blankets or other methods for cover of topsoil, spoil, and bulk material storage piles if immediate cover becomes necessary. • Attempt to locate alternative sources of bulk material closer to the project site if fugitive dust emissions or other impacts from contract haul trucks on state or federal highways become an issue with public safety or regulatory compliance. - 5 - Appendix A Contacts - 6 - SUMMIT/GRAND RIVER GATHERING PERSONNEL Name Title Office Cell - 7 - CONTRACT CONSTRUCTION 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Access Documents Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 70 6 240926400137THROM, DONALD R 240926400150 NOBLE ENERGY INC 240719300955 BUREAU OF LAND MANAGEMENT 240935400122HELEY, WILLIAM & SANDY A 240935400123JONES, LINDA High Mesa Compressor Station BUREAU OF LAND MANAGEMENT BUREAU OF LAND MANAGEMENT DAYBREAK REALTY LLC KLEBOLD, LARRY A & KAREN K ENCANA OIL & GAS (USA) INC DAYBREAK REALTY LLC BUREAU OF LAND MANAGEMENT 240721400954 240925100954 240719300162 240935100136 240936100048 240719300162 240936400955 Legend High Mesa Compressor Station Parcels Route to High Mesa Compressor Station Highway/Interstate County Roads 0 0.25 0.50.125 Miles Parcels represented with labels are witihin 200' of affected parcel PROJECT NO: DRAWN BY: DATE: 011-2059 Jenna Muhlbach 4/25/12 ROAD ACCESS MAP *5$1'5,9(5*$7+(5,1*//& HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE R - 1 70 6 240926400137THROM, DONALD R 240926400150 NOBLE ENERGY INC 240719300955BUREAU OF LAND MANAGEMENT 240935400122HELEY, WILLIAM & SANDY A 240935400123JONES, LINDA High Mesa Compressor Station BUREAU OF LAND MANAGEMENT BUREAU OF LAND MANAGEMENT DAYBREAK REALTY LLC KLEBOLD, LARRY A & KAREN K ENCANA OIL & GAS (USA) INC DAYBREAK REALTY LLC BUREAU OF LAND MANAGEMENT 240721400954 240925100954 240719300162 240935100136 240936100048 240719300162 240936400955 Legend High Mesa Compressor Station Proposed Communication Tower Parcels Route to Proposed Tower Highway/Interstate County Roads 0 0.5 10.25 Miles PROJECT NO: DRAWN BY: DATE: 011-2059 Jenna Muhlbach 4/12/12 ADJACENT PARCEL MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE $31 PURCHASE AND SALE AGREEMENT This PURCHASE AND SALE AGREEMENT dated as of February 17, 2006, (the "Agreement") is between CANYON GAS RESOURCES, LLC, a Delaware limited liability company (as "Seller"), and ENCANA OIL & GAS (USA) INC., a Delaware corporation (as "Buyer''). WHEREAS, Seller and Buyer are successors-in-interest to a Gas Gathering Agreement between Canyon Gas Resources, Inc. and Tom Brown, Inc. effective Apri l I, 2001 (the "Gathering Agreement"); WHEREAS, pursuant to an amendment to the Gathering Agreement dated October 27, 2005 (the "Amendment"), Seller agreed to sell and transfer, and Buyer agreed to purchase, certain natural gas gathering facilities located in Garfield County, Colorado, referred to and described below as the Pipelines and Assets; and WHEREAS, Buyer desires to purchase and Seller desires to sell the Pipelines and Assets, upon the terms and subject lo the conditions hereinafter set forth . 1. PURCHASE AND SALE: Upon the terms and subject to the conditions hereinafter set forth, Seller agrees to sell to Buyer and Buyer agrees to purchase from Seller all of Seller's right, title, and interest in, to, and under all of the properties, privileges, rights, interests, in the natural gas gathering pipelines described in Exhibit A, attached hereto and made a part hereof (the "Pipelines") together with the meters, valves, and other equipment and tangible personal property installed on the Pipelines, including, without limitation the following (collectively referred to as the "Assets"): The Assets shall include all of the following: (a) all rights-of-way, easements, and o ther rights and interests in and to real property and appurtenances thereto owned by Seller and relating to or used in connection with the Pipelines (including but not limited to those interests described in Exhibit B attached hereto and made a part hereof {the "Real Property Interests")), save and except those Real Property Interests related to or used in connection with the Retained Interests (as hereinafter defined); (b) Copies of all records related to engineering or operating the Pipelines, including deeds, property records , drawings, maps, charts, surveys, prints, cost information, reports, and environmental studies or plans ("Asset Books and Records"); and ( c) All licenses, permits, franchises, authorities, consents or approvals of a governmental authority relating to or used in connection with any portion of the Pipelines ("Permits"). Notwithstanding any other provision of this Agreement, it is understood and agreed that Seller does not intend to assign to Buyer any interest in Seller's South Parachute 8" trunkline gas gathering pipeline, as described in the attached Schedule I (the "Retained In terests"), and Seller hereby reserves all right, title and interest in and to the Retained Interests. 2. PURCHASE PRICE: The Purchase Price for the Pipelines and Assets as identified on Schedule 2 South Parachute Well Connect Invoice Totals shall be $2,457,583.69 (the "Closing Amount") and shall be paid by Buyer to Seller in immediately availab le funds at Closing. Upon payment of the Closing Amount, and subject to the provisions of Section S(i) below, the parties agree as follows : (a) no additional amounts will be owed Seller under Section 9 of the Amendment; {b) Buyer shall have been deemed to satisfy its obligations under Section 9 of the Amendment; and, (c) Buyer shall have no obligation to indemnify Seller pursuant to Section 6.01 of the Gathering Agreement with respect to the Pipelines and Assets . 3. CLOSING: Closing shall occur, subject to the provisions of Section S{i) below, on or before June 30, 2006, except as mutually agreed. The "Effective Time" shall be 7:00 A.M local time on the date of Closing. "Closing" shall mean the transfer of title to the Pipelines and Assets to Buyer, including e xecution and delivery of all documents required under this Agreement. Upon Closing, the parties agree to execute the Assignment and Bill of Sale in the form attached hereto and made a part hereof (the "Assignment") and, upon Seller's receipt of the Closing Amount from Buyer, Seller shall deliver the executed Assignment to Buyer. 4. WARRANTIES: UPON CLOSING AND FROM AND AFTER THE EFFECTIVE TIME, SELLER AGREES TO WARRANT AND DEFEND TITLE TO THE PIPELINES AND ASSETS UNTO BUYER AND ITS SUCCESSORS AND ASSIGNS FOREVER AGAINST ALL PERSONS LAWFULLY CLAIMING ANY INTEREST IN THE PIPELINES AND ASSETS BY, THROUGH AND UNDER SELLER, BUT NOT OTHERWISE. SELLER COVENANTS WITH THE BUYER, ITS SUCCESSORS AND ASSIGNS THAT THE PIPELINES AND ASSETS ASSIGNED HEREUNDER ARE FREE AND CLEAR OF ALL LIENS, ENCUMBRANCES AND ADVERSE CLAIMS, OTHER THAN SELLER'S EXISTING MORTGAGE WHICH SHALL BE RELEASED FOLLOWING CLOSING. THE ASSIGNMENT SHALL BE MADE IN THE FORM ATTACHED HERETO WITHOUT WARRANTY, EITHER EXPRESS OR IMPLIED, AS TO THE MERCHANTABILIITY OR FITNESS FOR PARTICULAR USE OR PURPOSE OF THE PIPELINES AND ASSETS, AND AS SUCH THE PIPELINES AND ASSETS ARE CONVEYED AS IS, WHERE IS AND IN THEIR CURRENT CONDITION. 2 S. ENVIRONMENT AL REPRESENTATIONS AND WARRANTIES: Seller represents and warrants to Buyer that to its knowledge the following are true as o f the Effective Time, except as set forth on Schedule 5 attached hereto: (a) Seller, to its knowledge, has not caused or allowed the accumulation, generation, use, treatment, storage, or disposal of Hazardous Materials (as hereinafter defined) in connection with or near the Pipelines, except in accordance with applicable Environmental Laws (as hereinafter defined); (b) To Seller's knowledge, there have been no releases of Hazardous Materials that are required to be reported under Environmental Laws for which any notice of violation was issued or other action taken by any regulatory authority; (c) Seller, to its knowledge, has secured and holds all Pennits required under Environmental Laws for the operation of the Pipelines and Assets ; (d) Seller, to its knowledge, has not received written inquiry or notice of any actual or threatened claim or of any civil, criminal or administrative proceeding related to or arising under any Environmental Laws relating to the Pipelines or Assets; (e) Seller, to its knowledge, has operated the Pipelines and Assets in material compliance with all applicable Environmental Laws . (f) For purposes of this Agreement , "Hazardous Materials" shall mean : (i) any chemicals, materials or substances defined or included in the definition of "hazardous substances," "hazardous materials," "toxic substances," "solid wastes," "pollutants," "contaminants," or words of similar import, under any Environmental Law, or (ii) any radioactive materials, friable asbestos, and polychlorinated biphenyls, or (iii) any petroleum, including spills or releases of petroleum products. In addition, "Environmental Laws" shall mean all laws, statutes, ordinances, permits, orders, judgments, rules or regulations which are issued or enacted by a governmental entity or tribal authority having appropriate jurisdiction that relate to (i) the prevention of pollution (ii) the remediation of pollution or (iii) the protection of the environment generally, including without limitation, the Clean Air Act, as amended , the Clean Water Act, as amended, the Comprehensive Envi ronmental Response, Compensation and Liability Act of 1980, as amended, the Federal Water Pollution Control Act, as amended , the Resource Conservation and Recovery Act of 1976, as amended, the Safe Drinking Water Act, as amended, the Toxic Substance and Control Act , as amended, the Superfund Amendments and Reauthorization Act of 198 6, as amended, the Hazardous and the Solid Waste Amendments Act of 1984, as amended, and the Oil Pollution Act of 1990, as amended. 3 (g) "Environmental Claims" shall mean all claims (including remediation, removal response, abatement, clean-up, investigative, and/or monitoring costs and any other related costs and expenses), settlements, expenses, charges, and assessments, (i) pursuant to any agreement, order, notice, requirement, or directive (including directives embodied in Environmental Laws), injunction , judgment or similar documents (including settlements) arising under or in connection with any Environmental Laws, or (ii) pursuant to any claim by a governmental entity or other person or entity for personal injury, property damage, damage to natural resources, remedi ation, or s imilar costs or expenses incurred or asserted by such entity or person pursuant to common law or statute arising out of the use, handling, treatment, storage, disposal, or release of any Hazardous Materials. (h) Buyer has contracted with Cordilleran Compliance Services, the "Environmental Consultant", to perfonn a Phase I limited environmenta l assessment and Buyer and its Environmental Consultant agree not to p erform any Phase II or other environmental assessments prior to Closing without written consent of Seller. Seller hereby agrees to reimburse Buyer for the actual, out-of- pocket costs of such assessment, estimated to be $5,000 . The limited environmental assessment is expected to require one month to complete, at which time a report shall be issued to both Seller and Buyer, specifically setting out any Environmental Defects identified up to that point in time. "Environmental Defects" shall mean any environmental conditions identified in the environmental assessment that are reasonably determined to be a potential or actual violation of Environmental Law. The Environmental Consultant shall not be required to finalize the report until it has had an opportunity to re-inspect vegetation growth on the site of the Assets, taking into account the impacts of Buyer's construction and operation activities on the lands associated with the Assets and Pipelines; however, the final report shall be issued and notice of any Environmental Defects shall be made on or before June 15, 2006. Upon written notification to Seller of any Environmental Defects identified (which notification shall be Buyer's exclusive obligation), Seller agrees, subject to Section 5(i) below , to take all action necessary, as identified in the Environmental Defect notice, to : (i) remediate, remove, abate, or clean up , any Hazardous Materials on the Assets and/or relating to operation of the Pipelines; (ii) comply with Environmental Laws and/or secure any Permits necessary to operate the Pipelines and Assets in compliance with Environmental Laws; and, (iii) address, assume responsibility for, and resolve any actual or potential Environmental Defects identified in th e environmental assessment. During the period of time between execution of th is Agreement and Closing, the parties agree to cooperate in respect of gathering, measurement and redelivery of natural gas into and through the Pipeline and Assets . 4 (i) In the event Seller elects not to satisfy any or all of the requirements, if any, of Section 5(h) (i)-(iii) as to any of the Environmental Defects identified in the environmental assessment, the following shall occur as to the affected individual Pipelines and/or Assets : (i) Buyer's obligation to purchase such Assets and/or Pipelines from Seller and Seller's obligation to sell, only as to such Assets and/or Pipelines to Buyer, shall tenninate, (ii) Seller shall assume liability for, and indemnify, defend, and hold the Buyer harmless from and against, any and all Environmental Claims, causes of action, or claims relating to, arising out of, or connected, directly or indirectly, with such Pipelines and/or Assets, unless caused by the Buyer with respect to Buyer's operation of the PI 36 and the PF 31 Pipelines as described in Exhibit A ("Seller Operated Pipelines") during Buyer's period of use; (iii) Seller and Buyer shall have no further obligations under Section 9 of the Amendment with respect to such Pipelines and/or Assets; (iv) Buyer shall have no obligation to indemnify Seller pursuant to Section 6.01 of the Gathering Agreement with respect to such Pipelines and/or Assets; and, (v) Seller shall continue to accept gas delivered by Buyer utilizing such Pipelines and/or Assets, except to the extent that such gas is delivered to Buyer's Aggregation Facilities as defined in the Amendment. Seller will notify Buyer by June 26, 2006, or such other mutually agreeable date, whether it will satisfy the requirements, if any, of Section S(h)(i)-(iii) as to any of the Environmental Defects identified in the environmental assessment. To the extent that Buyer elects not to satisfy the requirements of Section S(h)(i)-(iii) as to individual Pipelines and/or Assets, the Closing Amount shall be reduced by the value of those Pipelines and/or Assets as set out in Schedule 2 and Seller and Buyer shall be obligated to Close the transaction as to all other unaffected Assets and Pipelines per the terms of this Agreement. 6. OBLIGATIONS OF BUYER: From and after Closing, and subject to the provisions of Section 5(i) above, Buyer hereby covenants and agrees to assume all of the duties, liabilities and obligations of the Seller relating to the Pipelines and Assets from and after the Effective Time. 7. COVENANTS OF SELLER: From the date hereof until Closing, without first obtaining the consent of Buyer, Seller will not (a) waive any right of material value relating to the Pipelines and Assets, other than in the ordinary course of business; (b) convey, encumber, mortgage, pledge or dispose any of the Pipelines and Assets, other than Seller's existing mortgage entered into in the ordinary course of business (which shall be released following Closing); (c) enter into, modify or terminate any contracts relating to the Pipelines and Assets, other than in the ordinary course of business; or (d) contract or commit itself to do any of the foregoing. In addition, Seller covenants that there are no preferential or similar rights to purchase any portion of the Pipelines and Assets. 5 8. CONDITIONS PRECEDENT TO CLOSING: Buyer shall be obligated to consummate the sale of the Pipelines and Assets as contemplated by this Agreement, provided the following condition precedent has been satisfied or has been waived by Buyer: (a) all representations and warranties of Seller contained in this Agreement shall be true and correct in all material respects at and as of Closing; and, (b) Seller shall provide to Buyer a Certificate of Non-Foreign Status that satisfies Internal Revenue Code Section 1445 and the accompanying Treasury Regulations in the form of Exhibit C. 9. TAXES: To the best of its knowledge, as of the Effective Time, Seller bas filed all material Tax returns that are due, all Taxes shown to be due on such returns have been paid, and there is no material dispute or claim concerning any Tax liability with respect to the Pipelines and Assets. "Tax" or "Taxes" means any federal, state, or local ad valorem tax, excise tax, sales tax, use tax, real or personal property tax, transfer tax, gross receipts tax, environmental tax, severance tax, license tax or other tax, assessment, duty, fee , levy, or other govenunental charge, together with and including without limitation, any and all interest, fines, penalties and additions to tax resulting from, relating to , or incurred in connection with any such tax or any contest or dispute thereof. All ad valorem or similar Taxes accrued but not yet due and payable with respect to the Pipelines and Assets shall be prorated between Buyer and Seller as of the Effective Time. Such Taxes shall .be prorated as though payable in twelve equal monthly installments. Accordingly, after Closing, (i) Buyer expressly assumes all obligations and liabilities for all Taxes with respect to the Pipelines and Assets for all periods after the Effective Time and (ii) Seller expressly assumes all obligations and liabilities for all Taxes with respect to the Pipelines and Assets for all periods before the Effective Time. Seller will receive and pay the ad valorem and property taxes attributable to the Pipelines and Assets for 2006 and Seller shall invoice Buyer in accordance with this Section 9 and Buyer agrees to promptly pay its proportionate share of such taxes to Buyer. 10. GOVERNINGLAW: This Agreement shall be governed by and construed under the Laws of the State of Colorado, excluding any choice of law rules which may direct the application of the Laws ofanother jurisdiction. 6 11. ENTIRE AGREEMENT: This Agreement supersedes all prior and contemporaneous negotiations, understandings, letters of intent and agreements (whether oral or written) between the parties relating to the sale and purchase of the Pipelines and Assets and constitutes the entire understanding and agreement between the parties with respect to the sale and purchase of the Pipelines and Assets. 12 . COOPERATION: Seller and Buyer shall take all further actions and execute, acknowledge and deliver all further documents that are necessary or useful in carrying out the purposes of this Agreement. So long as authorized by applicable law to do so, each of Seller and Buyer shall execute, acknowledge and deliver to the other all other additional instruments, notices, and other documents and to do all other further acts and things as may be necessary to more fully and effectively grant, assign and convey to Buyer the Pipelines and Assets. 13. MISCE L LANEOUS: This Agreement may be executed in any number of counterparts, and each counterpart hereof shall be deemed an original instrument, but all such counterparts shall constitute but one assignment. This Agreement shall be binding upon and inure to the benefit of Seller, Buyer, and their respective successors in title and assigns. IN WITNESS WHEREOF, the parties have caused this Agreement to be duly executed by their respective authorized officers as of this ~ day of April 2006. SELLER: CANYON GAS RESOURCES, LLC A De laware Limited Liability Company By: l>A«.IA ~ ~~"" Name: David B. Kenyon l,)o)~ Title: Vice President 7 BUYER : ENCANA OIL & GAS (USA) lNC. A Delaware Corporation By:S2__· Name: Dean Purcelli '5~ ~fl, Title: Vice President ~J 111 Exhibit A ASSETS This Exhibit A is attached to and made part of the Purchase and Sale Agreement dated as of February 17, 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). The Assets, which are more particularly described in the attached Exhibit A-1 (Well Connect Pipeline Maps) and Exhibit A-2 (Equipment List), include the following : PA36 PIPELINE The PA36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following : 949 ft of 6.625" OD, 0.188" wt, API SL-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PA36 Pipeline connected the following wells or planned wells: Daybreak 25-16 (Meter# 70216) Daybreak 36-1 (Meter # 70217) Daybreak Federal 36-lBB (Future) Daybreak 25-16BB (Future) Daybreak 25-15 (Meter# 70218) Daybreak 36 -2BB (Future) PC36 PIPELINE The PC36 Pipeline is located in Sec. 36-T7 S-R96W, Garfield County, Colorado and con~sts of the following: 1,721 ft of6.625" OD, 0 .188" wt, API SL-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PC36 Pipeline connected the following wells or planned wells : South Parachute TBI 36-12 (Meter # 70124) TBI 25-14 (Future) TBI 26-3BB (Future) PF36 PIPELINE The PF36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 107 ft of6.625" OD, 0.188" wt, API 5L-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment 8 The PF36 Pipeline connected the following wells or planned wells: South Parachute TBI 36-22 (Meter# 70125) TBI Federal 36-12C (Meter# 70220) TBI Federal 36-4 (Meter # 70222) TBI Federal 36-5 (Meter# 70221) PG36 PIPELINE The PG36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 1,204 ft of6.625" OD, 0.188" wt, API SL-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PG36 Pipeline connected the following wells or planned wells : South Parachute TBI 36-23 (Meter# 70126) TBI 36-2 (Future) TBI 36-9BB (Future) TBI 36-1 lBB (Future) TBI 36-10 (Future) PH36 PIPELINE The PH36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 815 ft of6.625" OD, 0.188" wt, API SL-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PH36 Pipeline connected the following wells or planned wells: South Parachute TBI 36-24 (Meter# 70128) Pl36 PIPELINE The PJ36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 3,105 ft of 4.500" OD, 0.188" wt Pipeline 3,089 ft of 6 .625" OD, 0.188" wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The Pl36 Pipeline co1U1ected the following wells or planned wells: South Parachute TBI 36-34 (Meter# 70136) TBI Federal 31-5 (Meter# 70229) TBI Federal 31-12 (Meter# 70228) TBI Federal 31-13 (Meter# 70227) TBI Federal 36-16 (Meter# 70226) TBI Federal 36-ISBB (Future) TBI Federal 31-16BB (Future) TBI Federal 3l-13BB (Future) 9 PK36 PIPELINE The PK36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 137 ft of 8.625" OD, 0.188" wt Pipeline 1,666 ft of 6.625" OD, 0.188" wt Pipeline 1,531 ft of 6.625" OD, 0 .188" wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The PK36 Pipeline connected the following wells or planned wells: South Parachute TBI 36-32 (Meter# 70131) South Parachute TBI 36-33D (Meter# 70132) TBI Federal 36-13 (Meter# 70240) TBI Federal 36-14 (Meter # 70241) TBI Federal 36-15 (Meter# 70242) PH2S PIPELINE The PH25 Pipeline is located in Sec. 25-T7S-R96W and Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following : 554 ft of 6.625" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PH25 Pipeline connected the following wells or planned wells: Federal H-25 (Future) Federal 25-1 (Future) Federal 25-2 (Meter# 70268) Federal 25-7 (Future) Federal 25-9 (Future) PK2S PIPELINE The PK25 Pipeline is located in Sec. 25 and 36-T7S-R96W, Garfield County, Colorado and consists of the following: 2,611 ft of 4.500" OD, 0.188" wt Pipeline 3,690 ft of 6.625" OD, 0.188" wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The PK25 Pipeline connected the following wells or planned wells: South Parachute Federal 25-32 (Meter# 70143) Federal 25-12 (Meter# 70250) Federal 25-13 (Meter# 70252) Federal 25-10 (Meter# 70251) Federal 25-1 lBB (Future) Federal 25-1 OBB {Future) 10 PN25 PIPELINE The PN25 Pipeline is located in Sec. 25-T7S-R96W, Garfield County, Colorado and consists of the following: 125 ft of 4.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PN25 Pipeline connected the following wells or planned wells: South Parachute Federal 25-42 (Meter# 70146) PAJO PIPELINE The PA30 Pipeline is located in Sec. 29 and 30-T7S-R95W, Garfield County, Colorado and consists of the following: 4,562 ft of3.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The P A30 Pipeline connected the following wells or planned wells: South Parachute Federal 30-14 (Meter# 70148) Federal 20-13 (Future) Federal 19-16 (Future) Federal 30-lBB (Meter# 70281) PB30 PIPELINE The PB30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 2,441 ft of 6.625" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PB30 Pipeline connected the following wells or planned wells: Daybreak Federal 19-15 (Future) Daybreak Federal 30-2BB (Meter# 70262) Daybreak Federal 30-2 (Future) Daybreak Federal 19-14 (Future) PD30 PIPELINE The PD30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: l,207 ft of 6.625" OD, 0.188" wt Pipeline 4,497 ft ofS.625" OD, 0.188" wt Pipeline 1,232 ft of 6.625" OD, 0 .188" wt Pipeline Loop Misc valves, fittings, meters, EFMs and related equipment 11 The PD30 Pipeline connected the following wells or planned wells: Federal 30-11 (Future) Federal 30-3BB (Future) Federal 30-3 (Future) Federal 19-14BB (Future) Federal 30-5 (Future) Federal 30-5BB (Future) Federal 19-13 (Future) Federal 30-4BB (Future) Federal 30-4 (F uture) PG30 PIPELINE The PG30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 118 ft of 4.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PG30 Pipeline connected the following wells or planned wells: Federal 30-9 (Meter# 70269) Federal 30-6 (Future) Federal 30-7 (Future) Federal 30-8 (Future) PNJO PIPELINE The PN30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 2,866 ft of 6 .625" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PN30 Pipeline connected the following wells or planned wells: South Parachute Federal 30-42 (Meter# 70129) Federal 30-15 (Future) PF31 PIPELINE The PF31 Pipeline is located in Sec. 3 l-T7S-R95W and Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following : 2,032 ft of 4 .500" OD, 0.188" wt Pipeline 2,022 ft of 6.625" OD, 0.188" wt Pipeline Loop Mi sc valves, fittings, meters, EFMs and related equipment 12 The PF3 l Pipeline connected the following wells or planned wells: South Parachute Federal 31-22 (Meter# 70147) Federal 3 l-3BB (Future) Federal 3 l-5BB (Future) Federal 31-12BB (Future) Federal 31-6 (Future) Federal 31 -7 (Meter# 70255) Federal 31-11 (Meter# 70256) F ederal 31-llBB (Meter# 70257) PA29 PIPELIN E The PA29 Pipeline i s located in Sec. 29-T7S-R95W, Garfield County, Colorado and consists of the following: 3,308 ft of 4.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The P A29 Pipeline connected the following wells or planned wells: South Parachute Federal 29-14 (Meter # 70142) South Parachute Federal 29-24D (Meter# 70141) Federal 20-15 (Future) Federal 29-l (Future) Federal 28-4 (Future) PF29 PIPELINE The PF29 Pipeline is located in Sec. 29-T7S-R95W, Garfield County, Colorado and consists of the following: 985 ft of 6 .625" OD, 0 .188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PF29 Pipeline connected the following wells or planned wells: South Parachute Federal 29-22 (Meter# 70123) Federal 29-3 (Meter# 70272) Federal 29-12 (Meter# 70273) 13 Exhibit A -1 Well Connect Pipeline Maps 14 -------·- EXISTING PA36 PAD DAYBREAK 25-16 DAYBREAK 36-1 DAYBREAK 25-15 PROPOSED * DAYBREAK 25~15B8 DAYBREAK 'REtf 36-1 BB DA YBRE~ 36-2B8 ' '*' EXISTING PG36 PAD -~-S.P. TBI 3~?~~ PROPOSE~_ EX ISTING L '-------~----_____ ·-____ C' n T_D_L_! :C PIPE LEGEND --EXISTING LINES (A&BUIL T) -PA36 EXISTING LINE (AS·BUIL T) --EXISTING LINES (NO SURVEY) -- - -PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS·BUIL T) WELL LEGEND e EXISTING WELLS 0 EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD 'l__; WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTE D TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAO --. -- G A S R E S 0 U R C E S , l l C PA36 WELL CONNECT PIPELINE 949 FEET, 6.625" OD, 0.188" WT ---r -~.... l ---Scale: Ga[::!ooCounly. Drawn 8 . AES Nls ns _,, 0.1 •.• r~ Section311 -·----------·-·· EXISTING PC36 PAD S.P. TBI 36-12 PROPOSED TBI 25-14 TBI 26-388 ING PF36 PAD .P. TBI 36-22 I FED 36 -12C TBI FED 36-5 TBI FED 3 6-4 PIPE LEGEND --EXISTING LINES (AS.BUil T) -PC36 EXISTING LINE (AS.BUil T) --EXISTING LINES (NO SURVEY) --- -PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8' (AS.BUil T) WELL LEGEND e EXISTING WELLS 8 EXISTING WELLS WITH PROPOSED DIRE CTIONALS ON SA ME PAD e WE LLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS O N SAME PAO e PROPOSED WELLS ON NEW PAO GAS ftlESO UA CE S . L LC P C36 WELL CONNECT PIPELINE 1721FEET ,6.62s·oo.0.188.WT Scat&· l ~~~fy. -=:ES NTS T7S R96W Gahr H-9-05 SedlOn 36 ----------~---~ r-~~~Tl~-PF36 PAD S.P. TBI 36-22 TBI FED 36-12C TBI FED 36-5 TBI FED 36-4 EXISTING PK36 PAD S.P. TBI 36-32 /; S.P. TBI 36-330 * TBI FED 36-~~, -,~ ,. TBI FED 35 :14 I , ,. (:. TBI FED 36-15 PIPE LEGEND --EXISTING LINES(AS-BUILT} -PF36 EXISTING LINE (AS-BUILT) --EXISTING LINES (NO SURVEY) 'I -- --PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES (NO PRECONSTRUCTION SURVEY) G A S AfS OUR Cf S l LC -SOUTH PARACHUTE a• (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT JN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM L. WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAD PF36 WELL CONNECT PIPELINE 107 FEET, 6.625" OD, 0.188"WT ~~ ---~-:-Gc::~.1 ... :: AES J)"~ __ L _I _-~-oa1«1 f:~oe1 DAYBREAK 2B :;1 6~-*---l DAY8REAK ·RE D 36-188 : DA Y8R ~AK 36-288 I ' EXISTING Pl36 PAD -*· S.P. T81 36-34 TBI FED 31-5 TBI FED 31-12 TBI FED 31-13 ________ _..T_.__.BLEEG_.._1&-_1_6_ ___ _ PIPE LEGEND -EXISTING LINES (AS-BUILT) -PG36 EXISTING LINE (AS-BUil T) -EXISTING LINES (NO SURVEY) - -- -PROPOSED LINES lPRECONSTRUCTION SURVEY) -PROPOSED LINES NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE a• (AS-BUILT) WELL LEGEND e EXISTING WELLS G EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAO ~c-~ 1)~tJ. -·----J -----·- G AS RE SO URC E S . l l C ------- PG36 WELL CONNECT PIPELINE 1.204 FEET. 6.625" OD, 0.188" WT -· -1-locat<xt ·--Gadleld County. ~. ColoQdo HTS T7S~ Soc<ion38 --- LU 36-288 BB 1188 0 PIPE LEGE ND --EXISTING LINES (AS-BUH..T) -PH36 EXISTING LINE (AS-BUil T) --EXISTING LINES (NO SURVEY) ' - -- -PROPOSED LINES (PRECOHSlRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCllON SURVEY) -SOUTH PARACHUTE 8" (AS-BUILT) WELL LEGEND e EXISTING WELLS / e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHIJT IN OR NOT CONNECTED TO SYSlEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAO G A S RESO UR CES . \l..C -----------i PH36 WELL CONNECT PIPELINE 815 FEET, 6.625' OD, 0.188' Wl Solo: I HTS J Loca!Jcn: ~ ~°"""'· 0.-8 .AE S T1S R96W Doto 1 f:o.os Sedion36 -~l~B~l~3~6--2·~---.--.:::-,,...... . ..----, ----------· .,,,.. ...... - TB I 36-988 ,-- 1 l ., 1 T81 36-11 BB TBI 36 -10 EXISTING Pl36 PAD S.P. TBI 36-34 TBI FED 31-5 TBI FED 31-12 TBI FED 31-13 TBI FED 36-16 PROPOSED T81 FED 36-1588 TBI FED 31-1688 TBI FED 31-1388 -------~----- PIPE LEGEND --EXISTING LINES (AS-BUil T) -Pl36 EXISTING LINES (AS-BUILTS MODI FIED BY OFFSET TO SHOW LOOP) --EXISTING LINES (NO SURVEY) ----PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE s• (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WEUS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT IN OR NOT CON NECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTE M WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPO SED WELLS ON NEW PAD G A& '-ESOURCES , lL C Pl36 WELL CONNECT PIPELINE 3105 FEET. 4.5" OD, 0.188. WT 3089 FEET. 6.62s• OD. 0 .188' WT -;;-_[ ~~.-1 ~;~t:1l • • -LL Bl FED 36-12C TBI FED 36-5 TBI FED 36-4 EXISTING PK36 PAD S.P. TBI 36-32 S.P. TBI 36-330 TBI FED 36-~~ TBI FED 36 ~14 TBI FED 36-15 PIPELEGENO --EXISTING LINES (AS-BUILT) -PK36 EXISTING LINES (AS-BUil TS MOOIFIEO BY OFFSET TO SHOW LOOP) --EXISTING LINES (NO SURVEY) --- -PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXI STING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTE D TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAO G A S R e S 0 U R C E S . l l C PK36 WELL CO NNECT PIPELINE 1666 FEET,6.625" OD. 0.188"WT 1531FEET,6.625" OD. 0.188" WT ~s'" r~=' •rea~Oo: ... r.a"'E3 ... ::_ --~- ------------ --------------- *---......._ EXISTING PH25 PAD FEQ H-25 FED 25-2 PROPOSED PH25 P AD FED 25-1 FED 25-7 FED 25-9 PIPE LEGE ND --EXISTING LINES (AS-BUILT) -PH25 EXISTING LINE (PRECONSTRUCTION SURVEY) --EXISTING LINES (NO SURVEY) --EXISTING LINES (PRECONSTRUCTION SURVEY) - -- -PROPOSED LINES !PRECONSTRUCTION SURVEY) --PROPOSED LINES NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAO [l~,~~,-- 1 PH25 b WELL CONNECT PIPELINE ~""'[~~1":'r::I - ection30T7SR95W --------· EX~ I~ PK25 PAD FED 25-1 _tfil=-__,_~------FED 25-7 S.P. FED 25-32 FED 25 g FED 25-10 - FED 25-12 FED 25-13 PROPOSED FED 25-11BB D 25-1088 EXISTING PN25 PAD _ S.P. FED 25-42 EXISTING PC36 PAD S.P. TBI 36-12 _ PROPOSED TBI 25-14 TBI 2p-38B TING PF36 PAD S.P . TBI 36-22 Bl FED 36-12C TBI FED 36-5 TBI FED 36-4 PIPE LEGEND -EXISTING LINES (AS·BUILT) EXISTING PA36 PAD DAYBREAK 25-16 DAYBREAK 36-1 J ~~6~~~~~ 25-1~-., DAYBREAK 25~6BB DAYBREAK~EO 36-188 DAYBR~ 36-2BB EXISTING PG36 PA .. S .P. TBI 3~62 PROPOSE --EXI S.P. -PK25 EXISTING LINES (ONE AS-BUil T AND ONE EXISTING WITH NO SURVEY MODIFIED -EXISTING LIN ES (NO SURVEY) BY OFFSET TO SHOW LOOP) -- --PROPOSED LINES (PRECONSTRUCTION SURVEY) -PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTE M 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED W ELLS ON NEW PAO 1Zi°~ 1}~~ _J -------------- G A S R.tSOOR CES. l.lC PK25 WELL CONNECT PIPELINE 2611FEET,4.5" OD, 0.188• WT -3690 FEET, 6 .625' OD, 0.168" WT ·-----i--l-=~· . Scale: I ~ty, """"" AES NI'S I Setlion 25 17SA96W o.te:l f-IM>5 Setlion38 l7SA96W ------- EXISTING PN25 PAD S.P. FED 25-42 FEU Z0-1 - FE D 2 5-1 FED 25-1 PROPOS FED 25-11 D 25-10 EX IS TING PC36 PAD S.P. TB I 36-12 PROPOSED PIPE LEGEND --EXISTING LINES (AS-BUil T) -PN25 EXISTING LINE (AS-BUil T) --EXISTING LINES (NO SURVEY) ----PROPOSED LINES lPRECONSTRUCTION SURVEY) --PROPOSED LINES NO PRECONSTRU CTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUILT) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAD ----- EXISTING PA30 PAD S .P. FED 30-14 FED 30-188 PROPOSED FED 20-13 FED 19-16 EXISTING PJ30 PAD 30-9p PIPE LEGEND -EXISTING LINES (AS-BUILT) -PAJO EXISTING LINE (AS-BUil T) -EXISTING LINES (NO SURVEY) -EXISTING LINES (PRECONSTRUCTION SURVEY) ----PROPOSED LINES (PRECONSTRUCTION SURVEY) -PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS·BUIL T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAO EXISTING PF S.P. FED 29- FED 29-3 FED 29-12 * G A S "!S OURCES , Ll C PA30 WELL CONNECT PIPELINE 4562 FEET, 3.5" OD, 0.188" WT --f -,oca,..,, J- --· Sea: ~Coonly. Orawn9 :AES NTS S«lion 2tT7S R95W Dito: 1f.- Sec::lon 30T1S R9SW ------ ------------- -1 I u;"' - PB IJ EXISTIN DAYBREA PROPOSE PK FE D 2 FE D 1 PB30 PAD FED 30-28 PB30 PAD DAYBREAK FED 19-15 DA YB REA FED 30 DAYBREA FED 1 -14 0 PAD G30 PAD PIPE LEGEND --EXISTING LINES (AS-BUil T) -PB30 EXISTING LINE (PRECONSTRUCTION SURVEY) --EXISTING LINES (NO SURVEY) --EXISTING LINES (PRECONSTRUCTION SURVEY) ---• PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAD GAS RES 0 U AC I!$, L l C PB30 WELL CONNECT PIPELINE -2441FEET,6.625" OD. 0.188" WT .:o;;a;oo. ·1· ---Goe::.~· Cr..-wn 8(: AES ns R0.5w o.ait : 1 .Q-06 Stclk>n30 --- ---------------- PD30 PAD FED 30-11 PROPOSED FED 30-3BB FED 30-3 FED 19-14BB ~ FED30-5 ~FED30-5BB FED 19-13 FED 30-4BB FED 30-4 DAYBREA PROPOSE DAYBREAK DAYBREA DAYBREAK EXISTING PG30 PAD D FED 30-6 PROPOSED PL30 PAD 3 0 (NOT INCLUO}D IN 6-16-0~~LL SCHEDULE) ~· PIPE LEGEND -EXISTING LINES (AS-BUil T) -PDJO EXISTING LINE (PRECONSTRUCTION SURVEY AND NO SURVEY) -EXISTING LINES (NO SURVEY) -EXlSTING LINES (PRECONSTRUCTION SURVEY) --- -PROPOSED LINES (PRECONSTRUCTION SURVEY) -PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil D WELL LEGEND e EXISTING WELLS e EXISTING WEUS WITH PROPOSED DIRECTIONALS ON SAME PAO • WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAO G A $ R I S 0 lJ It C E $. L l C PD30 WELL CONNECT PIPELINE -1207 FEET, 6.625" OD , 0.188" WT -4497 FEET, 8.625" OD, 0.188" WT -123?_FEEI 'I, ~~~~0:.!88F" WT LOOP Scolt: Goc=-COJ«y· ow-> er. AES HTS TIS R95W Doi« I -IMl5 Se<llonlO . ---. -- --·------- PD30 PAD -------------------- FED 30- PROPO -FED 30-11 PROPOSED PB -FED 20- FED 30-388 FED 30-3 FED 19-1488 FE D 30-5 FED 30 -588 FED 19-13 FED 30 -488 FED 30-4 EX ISTING PG30 PAD FED 19- FED 30-28 PROPOSE P830 PAD DAYBREAK FED 19-15 DA Y8REA FED 30 DAYBREAK FED 1 -14 FED 30-9 [;:_ PROPOSED PG30 PAD~--- FED 3A:0~-8~-- PIPE LEGEND -EXISTING LINES (AS-BUILT) -PG30 EXISTING LINE (NO SURVEY) -EXISTING LINES (NO SURVEY) -EXISTING LINES (PRECONSTRUCTION SURVEY) ----PROPOSED LINES (PRECONSTRUCTION SURVEY) -PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM l 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAO ------------------··------ EXISTING PJ30 PA 30-9p G AS RESOURCES , LLC PG30 WELL CONNECT PIPELINE •118 FEET, 4 .5" OD, 0.188"WT Seate ~~· OrawnSy:Ar;S NTS , T7S R95W DalO: 11·9"05 -T -l ocalion.1 ___ _ l SoctiQn 30 J_ ----'------ -----------.-........ ""'"""' FED 30-6 PROPOSED PL30 PAD 3 0 (NOT INCLUDJ!D IN 6-16-0~d·~ILL SCHEDULE ) E 30 FED 30-15 FED 30-1588 FED 30-11 #4 PIPE LEGEND --EXISTING LINES (AS-BU ILT) -PN30 EXI STING LINE (AS-BUILT) --EXISTING LINES (NO SURVEY) --EXISTING LINES (PRECONSTRUCTION SURVEY) ----PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE a• (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTIN G WELLS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM #6 O EXISTING WE LLS EIT HER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAO -------- 4l<ft11' G A i '-E SO U RC E S l.lC ------------ PN30 WELL CONNECT PIPELINE _J 2866 FEET, 6.625'.0D. 0.188' WT Salle ~C<M<y. Ora...,8 .AES g,-r-~ ---]-~-1:: 1)~~ HTS---T=°Z, Oolr.1[""15 ISTIN<B PH36 PAD P. T81 j6-24 I PIPE LEGEND -EXISTING LINES (AS-BUILT) rTU:Tro0cu FED 31-3 FED 30-13 FED 31-488 FED 31-4 -'*'-EXISTING PF31 PAD ~ S.P. FED 31-22 FED 31-7 FED 31-11 FED 31-1188 PROPOSEDJ 1 FED 31 -388 FED 31-588 FED 31-1288 FED 31 -6 --------' -PF31 EXISTING LINES (AS-BUILTS MODIFIED BY OFFSET TO SHOW LOOP) -EXISTING LINES (NO SURVEY) • ---PROPOSED LINES (PRECONSTRUCTION SURVEY) -PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO L -~ ~ROP~SE D WELLS ON NE~~~ I ~'- GAS "ESOURCES , lLC PF31 WELL CONNECT PIPELINE 2032 FEET, 4.5" 00, 0 .188" WT 2022 FEET, 6.625"0D, 0 .188" WT Sc.;ito· l ~~. l Dr3wn8y: AES . NTS -3eT7SR96W Date.11·9--05 Sldk>n 31 n s R9SW ----- EXISTING PF29 PAD S.P. FED 29-22 FED 29-3 FED 29-12 29 EXISTING PA 9 PAD S.P. FED 29-4 S .P . FED 29-4D PROPOSED FED 20-15 FED 29-1 FED 28-4 EXISTING PJ29 PAD * * 29-95 - • EXISTING Pl29 PAD 29-95A .__ _____ ..QROPOSFD PN?Q PAD._ _______________ __. ___ _ PIPE LEGEND --EXISTING LINES (AS-BUil T) -PA29 EXISTING LINE (AS-BUILT) --EXISTING LINES (NO SURVEY) --EXISTING LINES (PRECONSTRUCTION SURVEY) ---• PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (AS-BUil T) WELL LEGEND e EXISTING WELLS e EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAO e WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAD e PROPOSED WELLS ON NEW PAD G ,._ S R f S 0 U Iii CE S . l l C PA29 WELL CONNECT PIPELINE 3308 FEET, 4.5" OD, 0.188' WT -.:~~---~"· O..W.8 .A£S T7 S R95W Date. 1 f:o.cs S-29 - ,- EXISTING PF29 PAD S.P. FED 29-22 ' t I 1 • 4 __l ____ J, _____ _ PIPE LEGEND --EXISTING LINES (AS-BUILT) -PF29 EXISTING LINE (AS-BUILT) --EXISTING LINES (NO SURVEY) --EXISTING LINES (PRECONSTRUCTION SURVEY) ----PROPOSED LINES (PRECONSTRUCTION SURVEY) --PROPOSED LINES ( NO PRECONSTRUCTION SURVEY) -SOUTH PARACHUTE 8" (A5-8UIL T) WELL LEGEND e EXISTING WELLS F ED 29-3 FED 29-12 l 9 EXISTING WELLS WITH PROPOSED DIRECTIONALS ON SAME PAD e WEUS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM 0 EXISTING WELLS EITHER SHUT IN OR NOT CONNECTED TO SYSTEM WITH PROPOSED DIRECTIONALS ON SAME PAO e PROPOSED WELLS ON NEW PAD -----· 2 9 EXISTING PJ2 GAS ft !SO U ffCES. L L G I PF29 WELL CONNECT PIPELINE --~5 ~TEET, 6.625" 00, 0 .188" WT --- Lulkln: Scalo: ~"""'· Ooawn B : ACS KTs 1 115 R95W °""' .r.9'<)5 __ J_J~~ -- Exhibit A-2 Equipment List 15 (SHO RT) (REG) DIRECT DIRECT 5-MOUNT MOUNT WAY STAND STAND MVS RTO 2•MTR. (POD) (REG) PAD NAME WELL NAME 603 ~07 609 MAN. OFFS OFFS (.010%) (METAL) TUBE HEATER HEATE R DAYBREAK 25-16 1 1 1 1 1 1 PA36 DAYBREAK 3S.1 '809' 1 1 1 1 PAJ6 (6 DAYBREAK 25·15 '809' 1 1 1 1 RUNPODI Pad Totals 1 3 3 3 3 1 PC36 SOUTH PARACHUTE 36-12 1 1 1 1 1 1 1 I Pad Tolals 1 1 1 1 1 1 1 SOUTH PARACHUTE 36-22 1 1 1 1 1 1 1 PF36 SOUTH PARACHUTE 36-12 'C' '407' 1 1 1 1 1 SOUTH PARACHUTE 36·5 '407' 1 1 1 1 1 SOUTH PARACHUTE 36-4 '407' 1 1 1 1 1 Pad Totals 1 4 4 4 4 4 1 PG36 SOUTH PARACHUTE 36 -23 1 1 1 1 1 1 1 Pad Totals I 1 I I 1 I I 1 I 1 1 1 I I 1 PH36 SOUTH PARACHUTE 36·24 1 1 1 1 1 1 1 Pad Totals I 1 I I 1 I I 1 I 1 I 1 1 I 1 TBI FEDERAL 36-16 1 1 1 1 1 1 SOUTH PARACHUTE 36-34 '809' 1 1 1 1 Pl36 TBI FEDERAL 31-13 '809' 1 1 1 1 TBI FEDERAL 31-12 '809' 1 1 1 1 P136 (4 TBI FEDERAL 31-5 '809' 1 1 1 1 RUN POD SOUTH PARACHUTE 36-34 1 1 Pad Totals 1 5 s 5 5 1 1 1 SOUTH PARACHUTE 36-32 1 1 1 1 1 1 SOUTH PARACHUTE 36-33 'D' '809' 1 1 1 1 PK36 TBI FED 36-13 '809' 1 1 1 1 TBI FED 36-14 '809' 1 1 1 1 PK31 (5 TBI FED 36-15 '809' 1 1 1 1 RUNPODl Pad Totals 1 5 5 5 s 1 FEDERAL 25-2 1 1 1 1 1 1 FEDH-25 '809' 1 1 1 1 PH25 PROPOSED WELL '809' 1 1 1 1 PROPOSED WELL '809' 1 1 1 1 PH 25 5- PROPOSED WELL '809' 1 1 1 1 RUNPOO Pad Totals 1 5 5 5 5 1 PK25 (6 SOUTHPARACHUTE25-32 1 1 1 1 1 RUN POD: 1 PK25 TBI FEDERAL 25·12 '809' 1 1 1 1 TBI FEDERAL 25·10 '809' 1 1 1 1 TBI FEDERAL 25-13 '809' 1 1 1 1 PROPOSED WELL '809' 1 1 1 1 PROPOSED WELL '809' 1 1 1 1 Pad Totals 1 6 6 6 6 1 PN25 SOUTH PARACHUTE FED 25-42 1 1 1 1 1 1 1 Pad Totals 1 I 1 I 1 I 1 I 1 I 1 1 PA30 ISOUTH PARACHUTE 30·14 I T 1 T 1 1 1 I 1 I 1 I I 1 !FEDERAL 30-1 'BB' I I '407' I 1 I 1 1 I 1 I 1 I 1 I Pad Totals I I 1 2 2 2 2 2 2 (SHORn (REG) DIRECT DIRECT r.. MOUNT MOUNT WAY STAND STANO MVS RTO 2"MTR. (POD) (RE'G) PAO NAME WELL NAME 5-03 40 7 809 MAN. OFFS OFFS (.010%) (METAL) TUBE HEATER llEATER DAYBREAK FED 30-2 'BB' 1 1 1 1 1 1 P830 PROPOSED WELL '407' 1 1 1 1 PROPOSED WELL '407' 1 1 1 1 PB30 4· PROPOSED WELL '407' 1 1 1 1 RUNPDD Pad Totals 1 4 4 4 4 1 FEDERAL 30·11 0 1 1 1 1 1 PROPSOED WELL '809' 1 1 1 1 PD30 PROPOSED WELL '809' 1 1 1 1 PROPOSED WELL t809' 1 1 1 1 PO 30 5· PROPOSED WELL '809' 1 1 1 1 RUN POD Pad Totals 0 5 5 5 5 1 FEDERAL30.9 1 1 1 1 1 1 PG30 4RUNS SETUP '407' 1 1 1 1 '40T 1 1 1 1 PG304- '40T 1 1 1 1 RUNPOO Pad Totals 1 4 4 4 4 1 PN30 SOUTH PARACHUTE FED 30-42 1 1 1 1 1 1 1 I Pad Totals 1 1 1 1 1 1 1 SOUTH PARACHUTE 31·22 1 1 1 1 1 1 PF31 FEDERAL 31 -7 '809' 1 1 1 1 FEDERAL 31-11 '809' 1 1 1 1 PF31 4-FEDERAL 31-11 'BB' '809' 1 1 1 1 RUN POD Pad Tolals 1 4 4 4 4 1 PA29 126·14 I 1 I 1 I I 1 I 1 I 1 I 1 I I 1 26·240 r T '407'1 1 I I 1 1 I 1 I 1 I I 1 Pad Totals I I 1 I 2 2 2 2 2 2 SOUTH PARACHUTE 29-22 1 1 1 1 1 1 1 PF29 FEDERAL 29·3 '407' 1 1 1 1 1 1 FEDERAL 29-12 '407' 1 1 1 1 1 1 Pad Totals 1 3 3 3 3 3 3 (SflOIH ) (REG) DIRECT DIRECT 5-MOUNT MOUNT WAY STAND ST AHO MVS RTO 2"Ml'R. (POO) (REG) PAD NAME WELL'NAME 5-03 407 609 MAN. OFFS OFFS (.010%) (METAL) TUBE HEATER HEATER 5 6 6 57 41 16 57 57 17 9 14 6 PODI 21 15 PODI 31 14Poa 41 Exhibit B REAL PROPERTY INTERESTS This Exhi bit B is attached to and made part of the Purchase and Sale Agreement dated as of February 17 , 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). Garfield County. Colorado Lease Number : TBD Status: Active Recorded: Not recorded Lease Date : TBD Lessor: USDI BLM Ex pire Date: TBD Lessee: Canyon Gas Resources. LLC Description: Right-of-Way Grant Legal: T7S-R95W-Sec 29 S l /2NW I /4 Garfield County, CO S ixth Principal Meridian T7S-R95W-Sec 29 SWl/4NEl /4 Garfield County, CO Sixth Principa l Meridian T7S-R95W-Sec 29 NWl /4NEl/4 Garfield County , CO Sixth Principal Meridian T7S-R95W-Sec JO NE/14NEl /4 Garfield County. CO Sixth Principal Meridian T7S-R95W-Sec 30 SE1/4NE1 /4 Garfield Co unty. CO Sixth Principal Meridian T7S-R9SW-Sec JO NEl/4SEl/4 Garfield County. CO Sixth Principal Meridian T7S-R9SW-Sec JO NWJ/4SEl/4 Garfield County. CO Sixth Principal Meridian T7S-R9SW-Sec JO SWJ /4SEl/4 Garfield County. CO Sixth Principal Meridian T7S-R9SW-Scc JI SWJ /4NWl/4 Garfield County, CO Sixth Principal Meridian T7S-R96W-Sec 25 NEl/4SWl/4 Garfield County, CO Sixth Principal Meridian Lease Number: COC67720 Lease Date: 06127 /2005 Expire Date: 12 /J I /20J4 Description: Right-of-Way Grant Legal: Status: Active Recorded : Not recorded Lessor: USDI BLM Lessee: Canyon Gas Resources, LLC T7S-R95W-Sec 29 SWl/4NWI/4 Garfield Cou nty. CO Sixth Principal Meridian T7S-R9SW-Sec 29 NWl /4SWl/4 Garfield Count y. CO Sixth Principal Meridian T7S-R95W-Sec JO Lot 3 Garfield County. CO Sixth Principal Meridian T7S-R9SW-Sec JO Nl/2SEl /4 Garfield County. CO Sixth Principal Meridian T7S-R9SW-Scc JO SE 1/4NE1/4 Garfield County, CO Sixth Principal Meridian T7S-R9SW-Sec 31 Lot 4 Garfield County, CO Sixth Principal Meridian T7S-R96W-Sec 25 SEl /4NEl /4 Garfield County, CO Sixth Principal Meridian T7S-R96W-Sec 25 NE1/4SW1/4 Garfield County, CO Sixth Principal Meridian 16 SCHEDULE 1 RETAINED INTERESTS This Schedule I Retained Interests is attached to and made part of the Purchase and Sale Agreement dated as of February 17, 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). Pursuant to Section 1 of the Purchase and Sale Agreement , Seller is retaining all of its right, title and interest in and to Seller's South Parachute 8" Trunkline gas gathering pipeline and together with the appurtenant easements and pipeline rights-of-way, as shown on the Map attached hereto and made a part thereof (the "Retained Interests"). The Retained Interests Map shows only that portion of the South Parachute 8" Trunkline where it interconnects with the Assets and Pipelines being assigned to Buyer. The South Parachute 8" Trunkline is located on the following easements: l. United States Department of Interior Bureau of Land Management Right-of- Way Grant, Serial No. COC-66335 issued in October 2003 to Canyon Gas Resources, Inc . including, without limitation, certain lands located in Sections 29, 30 and 31, Township 7 South, Range 96 West of Garfield County, Colorado. 2. Right-of-Way Agreement dated August 29, 2003, from Tom Brown, Inc. to Canyon Gas Resources, Inc. covering certain lands in Section 36, Township 7 South, Range 96 West of Garfield County, Colorado . 17 ~ *' 25 PN25PAQ ~ *l * W£m! ~ * _,,i,. ..... ••· ~· •..... __ ... ·' I \ \ •••••• ,,> PA30PAO <* , .. ·-··-.. ·-r , ... · P031 PAQ / L~/ ~ ,-7 ~NJ 1?~ \JJ ~ ~ --WEU CONNECT LATERALS ········SOUTH PARACHUTE &-INCH (RETAINED ASSET) ~ * 31 ~ SCHEDULE/ TO PURCHASE AND SALE AGREEMENT RETAINED ASSETS ( I i I 29 32 ·-tliti&:; '"'""'1» SCAl.Eo HTS .... u.., .. c:1t .l1,.C UXATION: GIJll'taO CCIMIV. CCJU)AADO CMWNBY:Ae. DATE:C).(11..2(11 SCHEDULE 2 SOUTH PARACHUTE WELL CONNECT INVOICE TOTALS This Schedule 2 South Parachute Well Connect Invoice Totals is attached to and made part of the Purchase and Sale Agreement dated as of February 17, 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). 18 EaeaMh.APtt ...... 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SCHEDULES ENVIRONMENT AL MA TIERS This Schedule 5 Environmental Matters is attached to and made part of the Purchase and Sale Agreement dated as of February 17, 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). 1. Pipeline rupture on South Parachute System in February 2005 caused by third party construction activities. The clean up was completed by the environmental contractor, Corctilleran Compliance Services. Exhibit C Certificate of Non-Foreign Status This Exhibit C is attached to and made part of the Purchase and Sale Agreement dated as of February 17 , 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) Inc. (as Buyer). Pursuant to Treasury Regulation § 1.1445-2(b)(2)(iii), this affidavit is provided by Cantera Resources Holdings, LLC, a Delaware limited liability company, ("Cantera Holdings") which is, directly the sole beneficial owner for U.S. federal income tax purposes, of Canyon Gas Resources, LLC , a Delaware limited liability company ("Canyon LLC"). Canyon LLC is a disregarded entity, as defined in Treasury Regulation § l .1445-2(b)(2)(iii). Section 1445 of the Internal Revenue Code provides that a transferee of a U.S. real property interest must withhold tax if the transferor is a foreign person . For U.S. tax purposes (including section 1445), the owner of a disregarded entity (which has legal title to a U.S . real property interest under local law) will be the transferor of the property and not the disregarded entity. To inform the transferee that withholding of tax is not required upon the disposition of a U.S . real property interest pursuant to the Agreement, dated as of February 17, 2006 by and between Canyon LLC and EnCana Oil & Gas (USA) Inc., a Delaware corporation, the undersigned hereby certifies the following: I. Cantera Holdings is not a foreign corporation, foreign partnership, foreign trust, or foreign estate (as those terms are defined in the Internal Revenue Code and Income Tax Regulations); 2. Cantera Holdings is not a disregarded entity as defined in § J .1445-2(b )(2)(iii); 3. Cantera Holdings Employer Identification Number is 84-1575074; 4. Cantera Holdings office address is located at 7400 East Orchard Road, Suite 3250, Englewood, Colorado 80111 . Cantera Holdings understands that this certification may be disclosed to the Internal Revenue Service by transferee and that any false statement contained herein could be punished by fine, imprisonment, or both. Under penalties of perjury I declare that I have examined this certification and to the best of my knowledge and belief it is true, correct, and complete, and 1 further declare that I have authority to sign this document on behalf ofCantera Holdings. Cantera Resources Holdings, LLC Name : Keith R. Finger Title : Senior Vice President and Chief Financial Officer 20 ASSIGNMENT, BILL OF SALE, AND CONVEYANCE Th is Assignment, Bill of Sale, and Conveyance (the "Assign ment") is from Canyon Gas Reso urces, LLC ("Grantor") and EnCana Oil & Gas (USA) Inc . ("Grantee"). Grant or, for good and valuable consideration, the receipt and sufficiency of which are hereby acJ...'llowledged by Grantor, do es hereby sell, transfer, assign , convey, set over and deliver unto Grantee, effective as of7:00 a.m . Mountain Time on Ahrid /O , 2 006 (the "Effective Time "), the Pipelines and Assets (as hereinafter d efiried). Notwith standing any other provision o f this Assignment, it is und erstood and agreed that Grantor d oes not intend to assign to Grantee by thi s Assigrunent any interest in Grantor's South Parachute trunkline gas gathering pipe line, as described in the attached Schedule 1 (th e "Retained Interests'), and Grantor hereby reserves all right, title and interest in and to s uch Retained Interests . Grantor hereby sells, transfers, assigns, conveys, sets over, and delivers to Grantee, and Grantee hereby purchases and acquire s and accepts from Grantor, all of Grantor's right, title, and interest in, to, and under all of the properties, privileges, rights, interests, in the natural gas gathering pipelines described in Exhibit A, attached hereto and made a part hereof {the "Pipelines') together with the meters, val ves, and other equipment and tangible personal prop erty installed on the Pipelines, including, without limitation the following (collecti vely re ferred to as the "Assets"): I. ASSETS: The A ssets shall in clude all of the following : (a) all rights-of-way, easements, and o ther rights and interests in and to r eal property and appurtenances thereto owned by Grantor and relating to or used in connection with the Pipelines (including but not limited to those interests described in Exhibit B attached hereto and made a part hereof (the "Real Propertvlnterests")), save and except those Real Property Interests re lated to or used in connection with the Retained Interests ; (b) Copies of all reco rd s related to engineering or operating the Pipelines, including deeds, property records, drawings, maps, charts, surveys, prints , cosl information, reports, and environmental studies or plans ("Asset Books and Records"); and (c) All licenses, permits, franchises, authorities, consents or approvals ofa governmental authority relating to or used in connection with a ny portion of the Pipelines ("Permits"). TO HA VE AND TO HOLD the Pipelines and Assets unto Grantee and Grantee's successors and assigns forever without warranty excepl as hereinafter expressly provided, and subject to the further terms, conditions and provisions hereof 2. WARRANTIES GRANTOR DOES HEREBY AGREE TOW ARRANT AND DEFEND TITLE TO THE PIPELINES AND ASSETS UN TO GRANTEE AND ITS SUCCESSORS AND ASSIGNS FOREVER ONLY AGAINST ALL PERSONS LAWFULLY CLAIMING ANY INTEREST IN THE PIPELINES AND ASSETS BY, TIIROUGH AND UNDER GRANTOR, BUT NOT OTHERWISE . GRANTOR COVENANTS WITH THE GRANTEE, ITS SUCCESSORS AND ASSIGNS THAT THE PIPELINES AND ASSETS HERECN ASSIGNED ARE FREE AND CLEAR OF ALL LIENS, ENCUMBRANCES AND ADVERSE CLAIMS, OTHER THAN GRANTOR'S EXISTING MORTGAGE WHICH SHALL BE RELEASED FOLLOWING CLO SJNG. THIS ASSIGNMENT IS MADE WITHOUT WARRANTY, EITHER EXPRESS OR IMPLIED, AS TO THE MERCHANT ABILIITY OR FITNESS FOR PARTICULAR USE OR PURPOSE OF THE PIPELINES AND ASSETS, AND AS SUCH THE PIPELINES AND ASSETS ARE CONVEYED AS IS, WHERE IS AND IN THEIR CURRENT CONDITION. Furthennore, this Assignment is made with full substitution and subrogation of Gran tee and Grantee's successors in title and assigns in and to all warranties and covenants heretofore given by others with respect to the Assets or Pipelines or any portion thereof. 3. OBLIGATIONS OF GRANTEE Grantee hereby covenants and agrees to assume all of the duties, liabilities and obligations of the Grantor relating to the Pipelines and Assets from and after the Effective Time, subject to Grantor's obligation to indemnify Grantee as set forth above. 4 . COOPERATION Grantor and Grantee shall tak e all further actions and execute, acknowledge and deliver all further documents that are nece ssary or useful in carrying out the purposes of this Assignment. So long as authorized by applicable law to do so, each ofGrantor and Grantee shall execute, acknowledge and deliver to the other all other additional instruments , notices, and other documents and to do all other further acts and things as may be necessary to more fully and effectively grant, assign and convey to Grantee the Pipelines and Assets. 5. MISCELLANEOUS This Assignment is made subject to the tenns and conditions of the Purchase and Sale Agreement between Grantor and Grantee dated as of February 17, 2006 . In the event of a conflict between this Assignment and the Purchase and Sale Agreement, the terms and conditions of the Purchase and Sale Agreement shall control. This Assignment may be exec uted in any number of counterparts, and each counterpart hereof shall be deemed an original instrument, but all such counterparts shall constitute but one assignment. This Assignment shall be binding upon and inure to the benefit of Grantor, Grantee, and their respect ive successors in title and assigns. 2 Executed on the __ day of ___ _, 2006 to be effective for all purposes as of the Effective Time. GRANTOR: CA.i"\TYON GAS RESOURCES, LLC A Delaware Limited Liability Company By: P~/1~41 Name : ~I()~. ICE.Nl/'dN ST ATE OF COLORADO COUNTY OF IM,.()11 4"& , ) ) SS. ) GRANTEE: The foregoing instrument was ackno=l~dged before me thisi'n(day of ~ , 2006, by~ ,t, ~ . as ~~ ,&,,.,·e4..::r of Canyon Gas Resources, LLC. Witness my hand and official seal. ¥d.. J. ~L My commission expires: ~ ..Z~ .il.PO £. STATE OF COLORADO SS. CITY AND COUNTY OF DENVER The foregoing instrument was acknowledged before me this "1f:day of t\fgll,., 2006, by Dean V. Purcelli, as Vice President of EnCana Oil & Gas (USA) Inc. Witness my hand and official seal . My commission expires~ (XIMW EX?!f!ES. 3 Exhibit A PIPELINES This Exhibit A is attached to and made part of the Assignment, Bill of Sale, and Conveyance dated , 2006 by and between Canyon Gas Resources, LLC (as Granter) and EnCana Oil & Gas (USA) Inc . (as Grantee). P A36 PIPELINE The PA36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 949 ft of 6.625" OD, 0.188" wt, API 51-Gr B Pipeline Misc valves, fittings, meters , EFMs and related equipment The P A36 Pipeline connected th e following wells or planned wells: Daybreak 25-16 (Meter# 70216) Daybreak 36-1 (Meter # 7021 7) Daybreak Federal 36-IBB (Future) Daybreak 25-1688 (Future) Daybreak 25-15 (Meter # 70218) Daybreak 36-2BB (Future) PC36 PIPELINE The PC36 Pipeline is located in Sec. 36-T7S -R96W, Garfield County, Colorado and consists of the following: 1,721 ft of6.625" OD , 0.188" wt, API 5L-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PC36 Pipeline connected the following wells or planned wells: South Parachute TBI 36-12 (Meter# 70124) TBI 25-14 (Future) TBI 26-388 (Future) PF36 PIPEUNE The PF36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 107 ft of6.625" OD, 0.188" wt , API 5L-Gr B Pipeline Misc valves, fittings, meters, EFMs and related equipment The PF36 Pipeline connected th e following wells or planned wells: South Parachute TBI 36-22 (Meter # 70125) TBI Federal 36 -12C (Meter# 70220) TBI Federal 36-4 (Meter# 70222) TBI Federal 36-5 (Meter# 70221) 4 PG36 PIPELINE The PG36 Pipeline is located in Sec. 36-T7S-R96W, Garfi eld County, Colorado and consists of the following: 1,204 ft of 6.625" OD, 0.188" wt, APl SL-Gr B Pipeli ne Misc valves, fittings , meters, EFMs and related equipment The PG36 Pipeline connected the following wells or planned wells : South Parachute TB! 36-23 (Meter # 70126) TBJ 36-2 (Future) TBI 36-988 (Future) TBI 36 -1188 (Future) TBI 36-10 (Future) PH36 PIPELINE The PH36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following: 815 ft of6.625" OD, 0.188" wt, API SL-GrB Pipeline Misc valves, fittings, meters, EFMs and related equipment The PH36 Pipeline connected the following wells or planned wells : South Parachute TBI 36-24 (Meter# 70128) Pl36 PIPELINE The PI36 Pipeline is located in Sec . 36-T7S-R96W, Garfield County, Co lo rado and consists of the following : 3,105 ft of 4.500" OD , 0.188" wt Pipeline 3,089 fl of 6 .6 25" OD, 0.188 " wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The PI36 Pipeline connected the following wells or planned wells : South Parachute TBI 36-34 (Meter# 70136) TBI Federal 31 -5 (Meter# 70229) TBJ Federal 3 1-12 (Meter # 70228) TBI Federal 31-13 (Meter # 70227) TBI Federal 36-16 (Meter# 70226) TBI Federal 36-lSBB (Future) TBI Federal 3 l-1 6BB (Future) TBI Federal 3 l -13BB (Future) 5 PK36 PIPELINE ThePK36 Pipeline is located in Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following : 137 ft of8.625" OD, 0.!88"wt Pipeline 1,666 ft of6.625" OD , 0 .188" wt Pipeline 1,531 ft of6.625" OD , 0.188" wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The PK36 Pipeline connected the fol.lowing wells or planned wells: South Parachute TBI 36-32 (Meter# 70131) South Parachute TB! 36-33D (Meter# 70132) TBI Federal 36-13 (Meter# 70240) TBI Federal 36-14 (Meter# 70241) TB! Federal 36-15 (Meter# 70242) PH25 PIPELINE The PH25 Pipeline is located in Sec. 25-T7S-R96W and Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 554 ft of 6.625" OD, 0.188" wt Pipeline Misc valves, fittings, meters , EFMs and related equipment The PH25 Pipeline connected the following wells or planned wells: Federal H-25 (Future) Federal 25-l (Future) Federal 25-2 (Meter# 70268) Federal 25-7 (Future) Federal 25 -9 (Future) PK25 PIPELINE The PK25 Pipeline is located in Sec. 25 and 36-T7S-R96W, Garfield County, Colorado and consists of the following: 2,611 ft of 4.500" OD, 0.188" wt Pipeline 3,690 ft of 6.625" OD, 0.188" wt Loop Pipeline Misc valves, fittings, meters, EFMs and related equipment The PK25 Pipeline connected the following wells or planned wells: South Parachute Federal 25 -32 (Meter # 70143) Federal 25-12 (Meter# 70250) Federal 25-13 (Meter# 70252) Federal 25 -10 (Meter# 70251) Federal 25-1 !BB (Future) Federal 25 -IOBB (Future) 6 PN25 PIPELINE The PN25 Pipeline is located in Sec. 25-T7S-R96W, Garfield County, Colorado and consists of the following: 125 ft of 4.500" OD , 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PN2 5 Pipeline connected the following wells or planned we!Js: South Parachute Federal 25-42 (Meter# 70146) P A30 PlPELINE The PA30 Pipeline is located in Sec. 29 and 30-T7S-R95W, Garfield County, Colorado and consists of the following: 4,562 ft of3.500" OD, 0.188" wt Pipeline Misc valves, fittings , meters, EFMs and related equipment The P A30 Pipeline connected the following wells or planned wells: South Parachute Federal 30-14 (Meter# 70148) Federal 20-13 (Future) Federal 19-16 (Future) Federal 30-lBB (Meter# 70281) PB30 PIPELINE The PB30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 2,441 ft of 6.625" OD, 0.188" wt Pipeline Misc valves, fittings , meters, EFMs and related equipment The PB30 Pipeline connected the following wells or planned wells: Daybreak Federal 19-15 (Future) Daybreak Federal 30-2BB (Meter# 70262) Daybreak Federal 30-2 (Future) Daybreak Federal 19-14 (Future) PD30 PIPELINE The PD30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following: 1,207 ft of6.625" OD, 0.188" wt Pipeline 4,497 ft of8.625" OD, 0.188" wt Pipeline 1,232 ft of 6.625" OD, 0.188" wt Pipeline Loop Misc valves, fittings, meters , EFMs and related equipment The PD30 Pipeline co1U1ected the following wells or planned wells: Federal 30-11 (Future) 7 Federal 30-388 (Future) Federal 30-3 (Future) Federal 19-1488 (Future) Federal 30-5 (Future) Federal 30-5BB (Future) Federal 19-13 (Future) Federal 30-4BB (Future) Federal 30-4 (Future) PGJO PIPELINE The PG30 Pipeline is located in Sec. 30-T7S-R95W, Garfield County, Colorado and consists of the following : 118 ft of 4.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PG30 Pipeline connected the following wells or planned wells: Federal 30-9 (Meter# 70269) Federal 30-6 (Future) Federal 30-7 (Future) Federal 30-8 (Future) PNJO PIPEI,.INE The PN30 Pipeline is located in Sec . 30-T7S-R95W, Garfield County, Colorado and consists of the following: 2,866 ft of 6.625" OD, 0.188" wt Pipeline Misc va lves , fittings, meters, EFMs and related equipment The PN30 Pipeline connected the following wells or planned wells: South Parachute Federal 30-42 (Meter# 70129) Federal 30-.15 (Future} PF31 PIPELINE The PF31 Pipeline is located in Sec . 31 -T7S-R95W and Sec. 36-T7S-R96W, Garfield County, Colorado and consists of the following : 2,032 ft of 4.500" OD, 0.188" wt Pipeline 2,022 ft of6.625" OD, 0.188" wt Pipeline Loop Misc valves, fittings, meters, EFMs and related equipment The PF3 l Pipeline connected the following wells or planned wells: South Parachute Federal 31-22 (Meter# 70147) Federal 3 l -3BB (Future) Federal 31-SBB (Future) Federal 3 l -12BB (Future) Federal 31-6 (Future} 8 Federal 31-7 (Meter# 7025 5) Federal 31-1 I (Meter# 70256) Federal 31-1 lBB (Meter# 70257) P A29 PIPELINE The PA29 Pipeline is located in Sec. 29-T7S-R95W, Garfield County, Colorado and consists of the following: 3,308 fl of 4.500" OD, 0.188" wt Pipeline Misc valves, fittings, meters , EFMs and related equipment The P A29 Pipeline connected the following wells or planned wells: South Parachute Federal 29-14 (Meter# 70142) South Parachute Federal 29-24D (Meter# 70141) Federal 20-15 (Future) Federal 29 -1 (Future) Federal 28-4 (Future) PF29 PIPELINE The PF29 Pipeline is located in Sec . 29-T7S-R95W, Garfield County, Colorado and consists of the following: 985 ft of 6.625" OD, 0.188" wt Pipeline Misc valves, fittings, meters, EFMs and related equipment The PF29 Pipeline connected the following wells or planned wells: South Parachute Federal 29-22 (Meter# 70123) Federal 29-3 (Meter# 70272) Federal 29-12 (Meter # 70273) 9 Ex hibil B REAL PROPERT Y INTERESTS This Exhibit 8 is attached to and made part of the Assi gnment, Bill of Sale, and Con veyance dated as of , 2006 by and between Canyon Gas Resources, LLC (as Grantor) and EnCana Oil & Gas (USA) Inc. (as Grantee). Garfield County, Colorado Lease Number: Pending Status: Active Recorded : Not recorded Lease Date : Pending Lessor : USDI BLM Expire Date: Pending Lessee : Canyon Gas Resources, LLC Description: Right-o f-Way Grant Legal : T7S -R95W -Sec 29 Sl/2NW1 /4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec 29 SWl /4NE1 /4 Garfield County, CO Sixth Principal Meridian T7S-R9SW-Sec 29 NW1/4NE1 /4 Garfi eld County, CO Sixth Principal Meridian T7 S-R9SW-Sec 30 NE/14NEJ/4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec 30 SE1/4NEJ /4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec JO NE1 /4SE1 /4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec 30 NWI/4SEl /4 Garfield County, CO Six th Principal Meridian T7S-R95W-Sec 30 SWl /4SEl /4 Garfield County, CO Sixth Prin cipal Meridian T7S -R95W-Sec 31 SW 1/4NW1 /4 Garfield County, CO Sixth Principal Meridian T7S-R96W-Sec 25 NEI/4SW1/4 Garfield County, CO Sixth Principal Meridian Lease Number : COC67720 Lease Date: 06/27 /2005 Expire Date: 12/31 /2034 Description: Right-of-Way Grant Legal : Status: Active Recorded: Not recorded Lessor: USDI BLM Lessee: Canyon Gas Resources, LLC T7S-R95W-Sec 29 SW1/4NW1 /4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec 29 NW1/4SWI/4 Garfield County, CO Sixth Principal Meridian T7S-R95W-S ec 30 Lot 3 Garfi e ld County, CO Sixth Principal Meridian T7S-R95W-Sec 30 Nl/2SE 1/4 Garfield County, CO Sixth Principal Meridian T7S-R95W-Sec 30 SE1 /4NE1 /4 Garfield County, CO Sixth Principal Meri dian T7S -R95W-Sec 31Lot4 Garfie ld County, CO Sixth Prin cipal Meridian T7S -R96W-Sec 25 SE1 /4NEI /4 Garfield Co unty, CO Sixth Principal Meridian T7S-R96W-Sec 25 NE1/4SW1/4 Garfield County, CO Sixth Principal Meridian 10 SCHEDULE 1 RETAl~EDlNTERESTS This Schedule I Retained Interests is attached to and made pan of the Assignment and Bill of Sale dated as ofFebruary 17, 2006 by and between Canyon Gas Resources, LLC (as Seller) and EnCana Oil & Gas (USA) lnc. (as Buyer). Pursuant to Section 1 of the Purchase and Sale Agreement, Seller is retaining all of its right, title and interest in and to Seller's South Parachute 8" Trunkline gas gathering pipeline and together with the appurtenant easements and pipeline rights-of- way, as shown on the Map attached hereto and made a part thereof (the "Retained Interests"). The Retained Interes ts Map shows only that portion of th e South Parachute 8" Trunkline where it interconnects with the Assets and Pipelines being assigned to Buyer. The South Parachute 8'' Trunkline is located on the following easements : I . United States Department of Int erior Bureau ofLand Management Right-of-Way Grant, Serial No. COC-66335 issued in October 2003 to Canyon Gas Resources, Inc. including, without limitation, certain lands located in Sections 29, 30 and 31, Township 7 South, Range 96 West of Garfield County, Colorado. 2. Right-of-Way Agreement dated August 29, 2003, from Tom Brown, Inc. to Canyon Gas Resources, Inc. covering certain lands in Section 36, Township 7 South, Range 96 West of Garfield County, Colorado. 11 Certificate of Non-Foreign Status Pursuant to Treasury Regulation § 1.1445-2(b)(2)(111), this affidavit Is provided by Cantera Resources Holdings, LLC, a Delaware limited liability company, ("~ ~") which Is, directly the sole beneficial owner for U.S. federal Income tax purposes, of Canyon Gas Resources, LLC, a Delaware limited liabllity company ("Q!.rulQn fil"). Canyon LLC ts a disregarded entity, as defined in Treasury Regulation § l.1445- 2(b)(2)(111). Section 1445 of the Internal Revenue Code provides that a transferee of a U.S . real property interest must withhold tax If the transferor Is a foreign person . For U.S. tax purposes (including se ction 1445), the owner of a disregarded entity (which has legal t itle to a U.S. real property interest under local law) wlll be the transferor of the property and not the disregarded entity. To Inform the transferee that withholding of tax ts not required upon the disposition of a U.S. real property Interest pursuant to the Agreement, dated as of February 17, 2006 by and between Canyon LLC and EnCana Oil & Gas (USA) Inc., a Delaware corporation, the undersigned hereby certifies the following: 1. Cantera Holdings ts not a foreign corporation, foreign partnership, foreign trust, or foreign estate (as those terms are defined in the Internal Revenue Code and Income Tax Regulations); 2. Cantera Holdings Is not a d is regarded entity as defined In §1.1445-2(b)(2)(111); 3. Cantera Holdj~ Employer Identification Number is 84-15 75074; 4 . Cantera Holdings office address is located at 7400 East Orchard Road , Suite 3250, Englewood, Colorado 80111. Cantera Holdings understands that this certification may be disclosed to the Internal Revenue Service by transferee and that any false statement contained herein could be punished by fine, i mprisonment, or both. Under penalties of perjury I declare that I have examined this certification and to the best of my knowledge and belief it is true, correct, and complete, and I further declare that I have authority to sign this documen t on behalf of Cantera Holdings. Cantera Resources Holdings, LLC ~ -I ~ Title : Senior Vice President and Ch ie f Financial Officer Date : Y, ~ <;, Fenn :\160-3 VvL. 01 (August 1999) fl:B 2 V EO • 2 01 FORM APPROVED OMS No. 1004-0136 Ttu ~ U I «'STATES S!env-1u_,;' S p1 i nn.~ Exp ires November 30, 2000 DEPARTMENT OF THE INTERIOR ~,_ ... I '; _j P.1 53.ease Serial No. BUREAU OF LAND MANAGEMENT C-010075A 6. If Ind ian , Allott ee or Tribe Name APPLICATION FOR PERMIT TO DRILL OR DEEPEN -.. -- 7. If Unit or CA Agreemen t, Name and No. 1a. Type ofWorll []] DRILL D REENTER --- 8, Lease Name and Weil No. 1b. Type or Well D oil Well [K)Gas Well O other [Kl Single Zone OMultip le Zone S Parachute Federal 30-42 2 . Name of Operator 9 . AP I Well No . Tom Brown, Inc. ... --- 3a . Add ress 13b. Phone No. (include area code} 10. Fi eld and Poo l, or Exploratory 555 17th Street , Suite 1850, Denver. CO 80202 303-260-5000 Rulison 4. Lo cati on of We ll (Reporc /0<ac.lon clearly and In accordance w/1h any SI.die Requiremerm. *) 11. Sec., T .. R., M., or Blk . and Survey or Area 1,146' FSL 2 ,391' FWL SE /4 SW /4 Sec.30 T 7S R 95W Al proposed production zone Same 14 Distance in miles and directton from nearest town or post office. 12. Co unty or parish 13. State 4 m iles south of Battlement Mesa, Colorado Garfield co 15. Distance from proposed location lo nearest 16. No . of acres m lease 17 Spacing Unit dedicated to thi s well property of lease ~ne . f~ (Also nearest Orig, un it 1 ,146' 120 Per COGCC Order 139-28 line . af any) 18. Di stance from proposed loca tion to nearest 19. Proposed depth 20. 8LM161A Bond Ne. on file wen. dnlling . completed or applied for . on this 1,500' 5,900' #ES0-183 tease . fl. 2 1. Elevauons (Show whether OF, KDB. RT , GL, etc.) 22 . Approximate date work will stan • 23. Estimated duration 6.374' GR 03/30/01 45-60 days drlg + completion 24. Attachments The followihg , completed in accordance with the requirements of Onshore Oi l and Gas Order No. 1, shall be aUached to this form : 1. Well plat certified by a registered surveyor. 2. A Drilling Plan . 3. A Surface Use Plan (if the location is on Nationa l Forest System Lands, the SUPO shall be filed with the appropriate Forest Se rvice Office). 4. Bond lo cover the operat ions unless covered by an existing bond on file (see Item 20 above). 5. Operator certification. 6. Such other site specific information and/or plans as may be required by the authorized officer. 25 . Signature ~:.::.Name (Primed /Typed) David F . Banko rate February 26, 2001 Title Agent for Tom Brown, Inc. Approved by (SJinawre) ;Name (/>rinced/Typed) lOate B~~eit-1 . ffice T~le ~~-~Atli ~ s~c . A:<,~ Jrr-e ld. ~c;f' l G\-e\.\.'-"'aod.. ~ r=-o Title 18 U.S.C. Section 1001 and Tille 43 U.S.C. Section1212, make ita crime for any person knowingly and wi ll fully to ma ke to any de partment or age ncy of the United States any false . fictitious , or fraudulent statements or representa tions as to any matter within Its jurisdiction . N N SEC. 30, T. 7 s., R. 95 W. OF THE 6TH ~.M. t=L.AT #! LOCATION PLAT • I •• ' • ' I •• ' ••••••••• I ........... ! I ' ' •• I • ' SLM ALUM CAP -39-------) ~ 0 ,_. ~P""'5ii·~-s-~~~-~·· TOM Bt=:<OWN INC. i=EOEt=:<Al.. #J~-42 GNO. E1..EV. ~J14' !=AO E~EV. ~J1J.&' GRAPHIC SC ALE IN FEET , ..a. • '000 tUT -LEGEND- W._ ____ 2391' ----9ljl,lfD @ ST AND ARD LOCATION OF GLO SEC TION COR NE RS ,...... N ,...... :'1" 0 0 1146 1 0-CORNERS FOUND Z CLO CLO @ WE LL LOCATION STAKED BRASS CAP BRASS CAP Nss·oo·s3"w 2522.09' THIS WELL LOCATION PLAT WAS PREPARED FOR TOM BROWN INC. TO LOCATE THE FEDERAL #30-42, 1146 FEET FROM THE SOUTH LINE AND 2391 FEET FROM THE WEST LINE IN THE SE1/4 SW1/4 OF SECTION 30, T. 7 S., R . 95 W. OF THE 6TH P.M. GARFIELD COUNTY, COLORADO . SURVEYOR'S CERTIFICATE REFERENCE DOCUMENTS ') T.7 S., R.95 W., 6TH P.M. GlO PLAT 2) U.S.G.S. QUAD: PARACHUTE, CO 3) ELEVATIONS BASED ON N.A.V.D. 1988 4) 'hfLL MEASURED 90' FROM SECTION UNE SURVEYED: 04/20/99 SCALE: 1 • .. 1 ooo· DRAFTED: 04/30/99 DWG : BROWN\FED30-42 REVISED: 02 2 1 01 SHEET: 1 OF 7 Tom Brown , lnc. South Parachute Federal 30-42 1,146' FSL, 2,391' FWL (SE/4 SW/4) Sec. 30 T7S R95W Garfield County, Colorado Federal Lease C-0 10075A DRlLLING PROGRAM SURFACE FORMATION-Wasatch -Fresh water possible above 500' WELL SPACING -640 ACRES PER COGCC ORD ER 139-28 (UP TO 16 WELLS /640 ACRES) GROLJND ELEVAT ION -6,374' GR DEPTHS OF ESTIMATED FORMATION TOP S -(Wa ter, oil, gas and/or other mineral -bearing formations) Wasatch Williams Fork Cameo Rollin s O' 2,~84' 5,272' 5.722' Sandstone, sha les and si ltston es, so me water bearing Sandstones , shales and siltstones, some wate r, oil and/or gas bearing Coal and shales Sandstones, shales and siltstones, some wate r, oil and/or gas bearing TOTAL DEPTH 5,900 ' CASING PROGRAM Depth Hole Casing Casing Weight and Di ameter Diameter Grade O' -1,10 0' 11" 8-5/8" 32# J-55 STC new l ,100' -TD 7-7/8" 5-1/2" 17# J-55 LTC new Yields: Hall Lite yield == 1.69 ft3 /sx 75 /25 /8 Poz yield = 2.68 ft3 /sx 5015012 Poz yield -2 .68 ft3 /sx G" yield l.15 ft3 /sx • Actual cement volume to be detennined by caliper log . Cement To surface (±23 5 sxs Hall Lite and ±2 l 0 sxs "G") Lead: 335 sxs 75 /25 /8 Poz Tail: ±360 sxs 50/50/2 Poz HS Page2 DRILLING P ROGRAM SURF ACE CASING AND CENTRALIZER DESIGN See Environmental Assessment #C0-78-98-087, Parachute!Baulement Mesa Natural Gas Drilling Project, dated March 12, 1999, Application for Permit to Drill Addendum -Drilling Plan PRESSURE CONTROL (See attached schematic diagram) See Environm ental Assessment #C0-78~98-087. Parachute/Battlement Mesa Natural Gas Drilling Project. dated March I 2, 1999, Application/or Pennir to Drill Addendum -Drilling Plan MUD PROGRAM See Environmental Assessment #C0-78-98-08 7, Parachute/Battlement Mesa Natural Gas Drilling Project, dated March 12. 1999, Application for Perm it to Drill Addendum -Drilling Plan AUXI LIARY EQUI PMENT See Environmental Assessment #C0-78-98-087, Parachute/Battlement 1vfesa Natural Gas Drilling Project, dated lvfarch 12, 1999, Application for Permit to Drill Addendum -Drilling Plan LOG GING , CORING TESTI NG PROGRAM See Environmental Assessment #C0-78-98-087, Parachute/Battlement .Mesa Natural Gas Drilling Project, dated March 12. 1999, Application for Permit to Drill Addend111n -Drilling Plan ABN ORMAL CONDITIONS See Environmental Assessment #C0-78-98-087, Parachute!Baitlement Mesa Nawral Gas Drilling Project, dated March 12, 1999, Application for Pennie to Drill Addendum -Drilling Plan .ANTICIPATED START DATE March 19, 2001 COMPLETION See Environmental Assessment #C0-78-98-087, Parachute!Baulement Mesa Nmwal Gas Drilling Project, dated ,",,[arch 12, 1999, Application for Permit ro Drill Addendum -Drillfng Plan Tom Brown, Inc. South Parachute Federal 30-42 1,146' FSL, 2,391' FWL (SE/4 SW/4) Sec. 30 T7S R95W Garfield County, Colorado Federal Lease C-010075A SURF ACE USE PLAN WELL LOCATION Ai'ID INTRODUCTION: The proposed surface location is 1,146 ' FSL 2,391' FWL of Sec . 30 . The wellsite was surveyed and staked on April 28, 1999 by Construction SUJveyors, Inc. at a site that was geologically and legally acceptable. An onsite meeting was held on April 28, 1999, attending were Bureau of Land Management-Bob Elderkin and Leonard Coleman, Colorado Division of Wildlife -John Broderick, Construction Surveys, Inc. -George Bower, Mike Brady Construction -Joe Weaver, Metcalf Archaeology -Carole Graham, Tom Brown, Inc. -David Banko. The Glenwood Springs Resource Area Manager , aka Authorized Officer (AO), and/or his /her authorized representative will be no1ified 48 hours prior to commencing construction of t he drill si te , 48 hours prior to completion of the construction activities. These meetings will take place with the operator and dirt contractor present. The above wjJJ be contacted 48 hours prior to commencing reclamation work. The AO 's representative is Dan Sokal, phone (970) 947-2800. DIRECTIO NS TO LOCATION: From Parachute, Colorado , exit 1-70 and take frontage road on the north side of 1-70 for 2.4 miles, then crosses over to the sout h side for 1.3 miles to the Una railroad crossing at County Road 300; head south and east on County Road 300 for approximately 1.8 miles to dirt road heading east; continue on this road as it heads east and north for approximately 4 miles (passed existing gas well); at the forks, take left-hand fork, then the right-hand fork. then the left-hand for, then the left hand fo rk; at the new construction on the west side of the road, tum left (west); continue on new construction for 0.3 miles to location. l) EXISTING ROADS See Environmental Assessment #C0-78-98-087, Parachute/Bat1le1nent Mesa Natztral Gas Drilling Project, dated March 12, 1999, Application for Permit to Drill Addendum -Surface Use Plan. PL.\:-f\lfD ACCESS ROADS-0.3 ' -new constrnctinn A) A_pproximately 0.3 rniks of nl!w access roaJ will be construe ed. See Environmental Assessment #C0-18·98-087, Parachute/Battlement Mesa Natural Gas D1·illing Project, dated March 12 , 1999, Application jar Penn it to Drill Addendum -Surface Use Plan. Page 4 SURF ACE USE PROGRAM 3) LOCATION OF EXJSTING WELLS Within a I -mile radius Drilling Abandoned Proposed Disposal injection Shut-In Producing None None T7S R95W None None ns R95W Sec. 30 NW/4 NW/4 Sec . 29 SE/4 NW/4 Sec . 30 NE/4 NE/4 NW/4 SE/4 Sec. 31 NW /4 NW/4 SW/4 NE /4 4) LOCATION OF EXISTING PRODUCING F AClLITIES OPERA TED BY Tom Brown, Inc . Within one mile: T7S R95W Sec. 29 SE/4 NW/4 Wells and pipelines Sec. 30 NE /4 NE/4 NW/4 SE /4 Sec.31 NW/4NW/4 SW /4NE/4 NEW PRODUCTION FACILITIES PROPOSED See Environmental Assessment #C0-78-98-087, Parachute/Battlement Mesa Natural <}as Drilling Project, dated March 12, 1999, Applicationjor Pennie to Drill Addendum -Swface Use Plan . 5) LOCATION OF WATER SUPPLY See Environmental Assessment #C0-78-98-087 , Patacltute/Battlement Afesa Natural Gas Drilling Project, dated March 12, 1999, Application for Penn it to Drill Addendum -Swface Use Plan. 6) SOURCE OF CONSTRUCTION MATERIALS See Environmental Assessment #C0-78-98-087, Parachwe!Battlement Mesa Natural Gas Dn"lling Project, dated March I 2, 1999, Application for Penn it to Drill Addendum -S111face Use Plan. 7) WASTE DISPOSAL See Environmental Assessment #C0-78-98-087. Parachute/Battlement lvfesa Natural Gas Drilling Project, dated March 12, 1999, Application for Permit to Drill Addendum -Surface Use Pla11 . 8) ANCILLARY FACILITIES No ancillary facilities will be necessary . 9) WELLS ITE LAYOUT See Environmental Assessment #C0-78-98-087 .. Parachute/Battlement 1Wesa Natural Gas Drilling Project. dated March 12. I 999, Application for Penn it to Drill Addendum -Swface Use Plan. 10) SURFACE RESTORATION See Environmental Assessment #C0-78-98-08 7, Parachute/Battlement Mesa Natural Gas Drilling Project, dated March 12, 1999, Application for Permit to Drill Addendum -Surface Use Plan . Page 5 SURF ACE USE PROGRAM l l) GENERAL INFORMATION See Environmental Assessment #C0-78-98-087, Parachute/Battlement Mesa Natural Gas Drilling Project, dated March 12. 1999, Application for Penn it to Drill Addendum -Surface Use Plan. G) Mineral Lessor -Bureau of Land Management H) Surface Owner Drill site -Bureau of Land Management Access -Bureau of Land Management I Larry KJebold I Tom Brown, Inc. 1) Proximity of water, occupied dwellings or other features -Dry Creek -0.4 miles south of location. J) Archaeological, cultural and historical infonnation has been completed and submitted separately by Metcalf Archaeology. See Environmental Assessment #C0-78-98-087. Parachme!Baulement Mesa Nawral Gas Drilling Project, dated March 12, 1999, Application for Permit to Drill Addendum -Swface Use Plan. Page 6 SURF ACE USE PROGRAM 12) LESSEE'S OR OPERATOR'S REPRESENTATIVE: Operator Coiporate Office Tom Brown, Inc. Corporate Office: 555 17th Street, Suite 1850 Denver, CO 80202-3918 (303) 260-5000 Attn: Dave Petrie -Regulatory Mgr Matt Rohret -Drlg Mgr Corky Vickers -Prod Mgr Brant Gimmeson -Env Mgr Adam Sayers -Sr. Engr Field Office T om Brow11, Inc. 2764 Compass Drive, Suite 203 Grand Junction, Colorado 81506-8746 (970) 257-0810 Blake Roush-Field Superintendent Permit Agent Banko Petroleum Management, Inc. 1200 17th Street, Suite 2310 Denver, CO 80202 * David F. Banko -Agent (303) 820-4480 e-mail: david@bankol.com Kathy Schneebeck -Engineering Assistant (303) 820~4480 e-mail: kathys@bankol .com * Contact to arrange on-site meeting. and for any questions or conunents regarding this permit. 13) CERTIFICATION: I hereby certify that I, or persons under my direct supervision1 have inspected the drill site and access road ; that 1 am familiar with the conditions which presently exist~ that the statements made in this plan area, to the best of my knowledge, are true and correct; and that the work associated with t he operations proposed herein will be performed by Tom Brown, Inc. and its contractors and sub-contractors in conformity with this plan and conditions under which it is approved. This statement is subject to the provisions of 18 U.S.C. 1001 for the filing of fa lse statements. February 26. 2001 Operator Representative or Agent for Tom Brown, Inc. Map to Accompany APPLICA T!ON FOR PERMIT TO DRILL Access Road Tom Brown , Inc. Parachu te Federa l J0-42 SE/4 SW/4 Sec. 30 T7S R95W Garfie ld County, Co lorado Federal lease C-O l 0075A LEGEND New Consiruction = Ex ist ing Road (tee) . .< •· '.1' . .-:· . / I \ ':• ~·.:._ /• ~ · .. ,• CONS,T~UCilON S,U~VEYS,, INC. ~~12 S,UNRIS,E eL.vo. SIL. T, CO S llCS2 (~1~)81~·S1SJ SCAL E: 1" 2000· I. iOM 6~01.UN INC. 1=50Er:cAL ;: 2~ -42 SH EET 5 OF 7 Fonn I 0 Certification of Clearance and/or Change of Operator Page 1of1 F orm 10 C rff" f f Cl e I 1ca ion o earance an d/ or Ch f O t anaeo 1pera or ~ Aept-CllM: iMI Pllll9 i olFonn 101or mUlllPll well ...... i;ng-.. -0!*9lorlD.,. "..,._.... ... _,,. 'Chlnoe o1 _._,DON TIMlp~,..an rnu11p11w11 n "9 uma m I foml I• lid robe ulld for Wiii N-dlllngM or SIAlws ~ ~ ,._,.. Fom110mi.t t1e "*"_'°'_ ,,_ _,.,.._.,,41or-~.,!IMllanol• Muilplt Olle: 11I07/200S -It IJ 111t °'*81Df• ~to.,.. "f'llwad oop!M 11> IM naw T...,...iar a..S.W°"'*9tfw-Document _.. .... #: 1430884 m.iu.. N'PRO'llEO "" ICI Number: OperMor lnfom11llon Colllact ....... Md T&llpftoM Ope-Number. 100111!1 ,...,,. JOYCE MCGOUGH Hema" Alldnin: Er«:ANA Oil. & GAS (US.0.) INC Pllono IVnber. (720)87W288 '°.allly_ld 37017TH ST STE 1700ATTN: DIANE Bll.ESZNER Fa Number: (120)87M298 DENVER. CO 80202.&132 &Mii. ·--·-·--... ---------·------------. ------·-- LocMlon lnfonnltlon: Fldlt>' ID: Fi.Id Code. 76400 ~llondllllllul: ~ Cllan09ofOp11910r: !! Ch811gtofTIWl"'°"9rorG"'mj7JQI Dlil9 (Cit-. of~: _ Eltdhe o.ie ca-ae or Tl1ftllllOlllr or G811enl) • DD of Arlt Pl'alldlon Thia Fomiellon : U!1.11D!M Diie of Flrtt SelM Thie Fanndan (Gii) : ~ Oillt ol l'lrlt Sii• Thie Formallan (Oii): _ Dale Shut In or Pioducllon ~ • _ Mulllpie '1'.1111 i.-?: 2 OGCC i.-Numb«: 11111 =_,°' CUrnint Openllio(• Sign..,..: X Stllefe Sign...,.: _ NlllM of~ (Seter) : _ Tiie (Se!~: _ (Seder): ----·-----· -·-----_......,_ -- l.ocdon lnfol'lllllllon: N'I Nunlbs. O& -045 • 07740 Fecllly ID: 8118118 Fleld Nim•: RULISON 'NII Nlm•"*"'1ber. SOUTH PARACHUTE FEDEAAI. -~2 QffiQTR:SESW SEC :30 TWP. 75 RNG:fl!HV Mtllldl1n :e CL u ~ r l I t l I :I I I I l 1 !i 11 ;s ~ i t t .1: :a. ~ .-.-I t i i I Ii " :I ::0 " ; I '1 I ~ !: • '1 f 1 i I I[ • I • 4'11814 IMS Dn40 ... M_ 116 llO ""' '"PARACHUTE FEDERAi. 111.&2 .,.,._ Ill rs 115W 5 RULISON JNK ; • ~ t i' " ,I 1 I I ~ 0 , .. I i I ,i " f c I I ll ,. l a. ~ ;i • 4300tl4 ~ ~.&NYON <;As RESOURCES INC 39110 , .... ,.. lllllO N CENTRAi. ~WY STE900ATTN; TEO ~T ... ,.. CJALlAS Ill 5200 l14 OCMl221 Submllled l!NCANA OIL " GAS Sullni1led REGUV.TORY Diile by. (USA)IN Tiii: ANAL]lQ..._ SUllmllled: 11i04f4005 Apprav:. SHAAP. OON Afllll'll\lld Appl!MI Tiiie: om: 08/01/201 t Co1n~llb fof 11119 fomt ,...... - COOCC Condltlone of Apflil'N.,. ~•IJ .§. r /.i '--'· -. Sljijji: -•ww•-D - Submit Signed: v .. ApPf'CMll Signed: '4ilf.z.ov~P ~ f'14'l 11;:. 'ft< c~~Au-uP P-4-0411 ,,.,...,, I http://sterling/Infosys/COGIS _ Tools!D<>cumentReview/view _approved .cfm ?doc_ own= l 430884&CFID=33044. .. 6/2/2011 From:Cumberland, Dan To:Lorne Prescott Subject:ROW for PN30 - Kiebold Date:Tuesday, February 14, 2012 2:38:01 PM Attachments:ROW for Kiebold Access Road.pdf Hi Lorne - I got redirected to the correct land man, and he indicted that the first couple of miles of the road to PN30 is county road. Here's the ROW for the Kiebold property; I asked about Daybreak Realty, so stay tuned. Thanks, Dan Cumberland Project Manager, IT Tech Services Encana Oil & Gas (USA) Inc. 720.876.5361 Take a closer look: www.encana.com Please note some Encana offices are closed the first and third Friday of each month. This email communication and any files transmitted with it may containconfidential and or proprietary information and is provided for the use of theintended recipient only. Any review, retransmission or dissemination of thisinformation by anyone other than the intended recipient is prohibited. If youreceive this email in error, please contact the sender and delete thiscommunication and any copies immediately. Thank you. http://www.encana.com . '' • STATE OF COLORADO COUNTY OF GARFIELD ) EASEMENT AND ROAD USE AGREEMENT • ) KNOW BY ALL MEN BY THESE PRESENTS ) THAT, Larry A. Klebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hereinafter referred to as "Owners", are the owners of the following described lands ("Owners' Lands") located in Garfield County, Colorado, to wit: Township 7 South. Range 96 West Section 35: NE/4.N/2SE/4, E/2NW/4 Section 36: W/2SW/4 Garfield County, Colorado and TBI Production Company, 555 Seventeenth Street, Suite I 850, Denver, Colorado 80202, hereinafter referred to as "TBI" desires to acquire an easement across Owners' Lands for ingress and egress to and from certain lands located near the above described property on which TBI will be conducting oil and gas drilling and/or production operations, hereinafter referred to as "TBI Properties"; NOW, THEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable considerations, the receipt and sufficiency of which being hereby acknowledged, the parties hereby agree as follows: I. Subject to the terms and conditions set forth herein below, Owners hereby grant, bargain, sell, and convey to TBI a private, terminable easement on, over and across the Owners' Lands at the location set forth in paragraph 2 below, and hereafter referred to as "the Access Road", for the purpose of ingress and egress to and from the TBI Properties for the sole purpose of conducting oil and gas operations on the TBI Properties. 2. The easement granted hereby shall be and is hereby limited to fifteen (15) feet on each side of the center line of the existing private road across Owners' Lands as shown on the attached Exhibit A; provided that the location of the existing private road shall be changed to avoid the houses in the SE/4 of Section 26, with the center line of the easement hereby granted to be located at least 750 feet from such dwellings; 3. TBI shall, at its sole cost and expense, construct, improve and maintain the Access Road to meet the following specifications: (a) The Access Road shall be constructed and maintained with an all weather surface (excluding hard surfacing) and shall be so completed within six weeks after the first use by TBI of the easement granted hereby; Page 1 • • (b) Culverts at ditch and drainage crossings and barrow pits shall be installed where the Access Road crosses ditches or drainages; ( c ) The Access Road shall, at all times, be properly graded and drained and adequate dust control methods using magnesium chloride water shall be utilized by TBI in the maintenance of such road. (d) Cattle proof fences shall be constructed and maintained by TBI on both sides of the Access Road; ( e) Permanent gates and cattle guards shall be installed at each point where the Access Road intersects perimeter and cross fences on Owners' Land, at Owners' election. If Owners or TBI choose to lock any gates on the Access Road, keys will be provided to TBI or Owners by the party locking the gate; (f) building. TBI shall reclaim all areas on both sides of the Access Road due to road 4. As further consideration for the easement granted hereby, TBI agrees (a) To upgrade, to the specifications of the Access Road, the existing road to the residence now on Owners' Land and to build, at no cost to Owners and to the specifications of the Access Road, one single track spur road for Owners' access to a future home site on Owners Land in the W\2NE/4 or E/2NW/4 of Section 35 to be designated by Owners. (b) If TBI removes snow from the Access Road, it will concurrently remove snow from the road or roads identified in (a) above. 5. The Access Road and the easement granted hereby shall be used solely by TBI, its agents, employees, contractors and subcontractors for the purpose of oil and gas drilling and/or production operations. Page2 • • 6. TBI, it agents, employees, contractors and subcontractors shall be and are hereby prohibited from hunting on Owners' Lands. 7. TBI's use of the Access Road shall be at its sole risk and TB! shall indemnify and hold Owners harmless for any injuries and or losses caused by or arising out of the construction, maintenance or use of the Access Road by TB!, its agents, employees, contractors or subcontractors. 8. Owners and Owners' agents, licensees, permittees and/or assigns, shall have the right to use the Access Road, which use shall be at Owners' sole risk, and Owners shall indemnify and hold TB! harmless against all and any claims for injuries and/or losses which result from Owners' use of the Access Road except those attributable to a breach of the construction or maintenance obligations of TBI. 9. The easement granted hereby shall terminate at such time as the Access Road shall no longer be used by TB! its' heirs, successors and/or assigns for oil and/or gas drilling and/or producing operations, and upon such termination TB! shall execute any documentation necessary in Owners' opinion to fully evidence ofrecord the termination of all rights of TB! with respect to Owners' Lands and the subject easement. Upon such termination, Owners shall have the option, but not the obligation, to take over the maintenance of the Access Road. Should Owners elect not to take over maintenance of the Access Road, TB! shall restore the surface of the Access Road to its original grade and vegetation. 10. This agreement is subject to the terms of that certain Letter Agreement dated October 24, 1997, by and between Owners and TB! which sets forth certain additional monetary and other considerations to be paid by TBI to Owners for the continued use and enjoyment of the Easement granted hereunder, which Letter Agreement is by this reference fully incorporated herein and made a part hereof. 11. This Agreement, together with the above referenced Letter Agreement dated October ;)'f 1997, constitutes the full and final agreement between the parties which is subject to modification only by the written agreement of the parties hereto. Page3 • • This Agreement shall constitute a convenant running with the lands and shall inure to and be binding to the parties hereto, their heirs, successors and/or assigns. -1.W IN WITNESS WHEREOF, this instrument is executed effective as ofthedlf day of October, 1997. Larry Kl o Karen Klebold ~104112J$JJ Qd TB! Production Company By: Richard B. Porter, Attorney-in-Fact Page4 • • CORPORATE ACKNOWLEDGEMENT STATE OF COLORADO ) ) CITY AND COUNTY OF DENVER ) The foregoing instrument was acknowledged before me by Richard B. Porter, as Attomey-in- Fact for Tom Brown, Inc. this Jifkv day of October, 1997. My Commission Expires: ~--Do -~ S~TE OF COLORADO CO TY OF Ot(k.,,,M_) ) ) ) Notary Public dcJA11f, 1!~~ The foregoing instrument was acknowledged before me by Larry A. Klebold and Karen Klebold this ,,J.J:Wday of October, 1997. WITNESS my hand and official seal. Notary Public do/-JJ-v £k'M'( Page 5 /<'/ *' <-1-V/ //'•. Exhibit "A" Attached to and made a part of that certain Easement and Road Use Agreement dated October _, 1997 by an between Larry A Klebold and Karen Klebold, husband and wife,( Owner) and TBI Production Company, "TBI": Exhibit "A" Attached to and made a part of that certain Easement and Road Use Agreement dated October_, 1997 by an between Larry A Klebold and Karen Klebold, husband and wife,( Owner) and TBI Production Company, "TBI": • 1111111 1111111111111111111111•1111111111 1111111111111 516739 11/20/1997 03:04P 81043 P110 M ALSDORF 1 o( 2 R 11.00 D 0.00 GARFIELD COUNTY CO RIGHT OF FIRST REFUSAL TO PURCHASE REAL ESTA TE STATE OF COLORADO § § KNOW ALL MEN BY THESE PRESENTS COUNTY OF GARFIELD § THAT WHEREAS TBI Production Company, 555 Seventeenth Street, Suite 1850, Denver, Colorado 80202, hereinafter referred to as "TBI", owns the following described lands located in Garfield County, Colorado: Townshio 7 South. Range 96 West Section 25: SE/4SW/4 Section 36: E/2NW/4, S/2NE/4, N/2SE/4, NE/4SW/4 Garfield County, Colorado which lands are hereinafter referred to as the "Option Lands"; and WHEREAS Larry A. Klebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hereinafter referred to as the "Klebolds", are the owners of certain lands located adjacent or contiguous to the "Option Lands"; and · WHEREAS TBI and the Klebolds have entered into that certain unrecorded Letter Agreement dated October 24, 1997 under which TBI has agreed to extend to the Klebolds a "Right of First Refusal" to purchase all ofTBI's right, title and interest in and to the surface estate in the Option Lands: NOW THEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, TBI hereby grants and conveys to the Klebolds a "Right of First Refusal" to purchase the surface estate in and to the Option Lands under the following terms and conditions: 1. At such time as TBI elects to sell, transfer or otherwise dispose of its ownership interest in the surface estate in the Option Lands, TBI shall notify the Klebolds in writing of such intention which notice shall set forth TBI's purposed purchase price for the sale of the Option Lands. 2. The Klebolds shall have thirty (30) days from receipt of TBI' s notice to advise TBI in writing of their election to exercise their "Right of First Refusal" and to purchase the Option Lands for the purchase price established by TBI or to finalize negotiations with TBI for the purchase of the Option Lands at a different price. 3. In the event the Klebolds elect to exercise their "Right of First Refusal", or in the event they reach an agreement with TBI for the purchase of the Option Lands at an alternate price, TBI and the Klebolds shall enter into a mutually acceptable formal Contract to Buy and Sell Real Estate which provides for a closing on the transaction within ninety (90) days from the date of the execution of such Contract. 4. In the event the Klebolds elect not to exercise their "Right of First Refusal" to purchase the surface estate in the Option Lands, or in the event they are unable to close the transaction within the above referenced time periods, TBI shall be released from all obligations to sell the Option Lands to the Klebolds and shall be entitled to sell the Option Lands to a ready, willing and able buyer at any negotiated price, provided that such third party sale is concluded and the transaction closed within 365 days after the date ofTBI's first notice to the Klebolds of its intent to sell as required under paragraph 1 above. In the event TBI fails to conclude and close on the sale of the Option Lands within said 365 day time period; the Klebolds "First Right of Refusal" to purchase the surface estate in.the Option Lands as provided herein shall again attach to said lands. //0 Receivod -Denver DEC 1 " 1997 CO:J3,fOo/O ('C: C0:33'1oo//tj • 5. The Klebolds "First Right of Refusal" to purchase the Option Lands, as created hereunder, shall not apply to TBl's sale of the Option Lands as part of a sale of all, or a portion of its assets, in the normal course and conduct of its oil and gas business. 6. The "First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is specifically limited to the purchase of TBl's ownership interest in the surfuce estate in and to the Option Lands and TBI specifically excludes and reserves unto itself all its right, title and interest in and to the mineral estate in and under the Option Lands with the right to explore, develop, extract and remove such minerals without limitations. 7. The "First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is personal in nature and shall not be assigned or conveyed to a third party without the express written consent from TBI. 8. The rights granted hereunder shall not operate as, and nothing set forth herein shall be construed as or shall constitute, a restriction on TBI' s absolute right to use the surfuce of the Option Lands for any purpose regardless of whether or not such use diminishes the value of such surface estate, provided however, that TBI shall not impose conservation or other restrictions, enter into any agreement with a private party or governmental agency or consent to a land use regulation proposed by any governmental agency, which will continue to burden and/or restrict the use of the surface estate in the Option Lands after TBI disposes of its interest in said lands or which otherwise creates, constitutes or imposes a permanent restriction on the use of the surface estate in the Option Lands. · IN WITNESS WHEREOF this instrument is executed this 6"'-day of November, 1997, to be effective as of the 241h day of October, 1997. TBI Production Company By Richard B. Porter, Attorney-in-Fact CORPORATE ACKNOWLEDGMENT STATE OF COLORADO § § CITY AND COUNTY OF DENVER § The foregoing instrument was acknowledged before me by Richard B. Porter, as Attorney-in-Fact for TBI Production Company, this 6th day of November, 1997. WITNESS my hand and official seal. My Commission Expires: MY COMMISSION EXPIRES: 2· 12-99 Notary Public • • ._ -_____ ......._.._ --· r: • -..• ...,_ ~., ... • RIGHT OF FIRST REFUSAL TO PURCHASE REAL ESTATE STATE OF COLORADO § § KNOW ALL MEN BY THESE PRESENTS COUNTY OF GARFIELD § }61/ 11)7/'}? CC; Co331?0010 C.o338oot1A THAT WHEREAS TBI Production Company, SSS Seventeenth Street, Suite 18SO, Denver, Colorado 80202, hereinafter referred to as "TBI", owns the following described lands located in Garfield County, Colorado: Township 7 South. Range 96 West Section 2S: SE/4SW/4 Section 36: E/2NW/4, S/2NE/4, N/2SE/4, NE/4SW/4 Garfield County, Colorado which lands are hereinafter referred to as the "Option Lands"; and WHEREAS Larry A. Klebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hereinafter referred to as the "Klebolds", are the owners of certain lands located adjacent or contiguous to the "Option Lands"; and WHEREAS 1BI and the Klebolds have entered into that certain unrecorded Letter Agreement dated October 24, 1997 under which TBI has agreed to extend to the Klebolds a "Right of First Refusal" to purchase all ofTBI's right, title and interest in and to the surface estate in the Option Lands: NOW THEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, TBI hereby grants and conveys to the Klebolds a "Right of First Refusal" to purchase the surface estate in and to the Option Lands under the following tenns and conditions: 1. At such time as TBI elects to sel~ transfer or otherwise dispose of its ownership interest in the surface estate in the Option Lands, TBI shall notify the Klebolds in writing of such intention which notice shall set forth TBI' s purposed purchase price for the sale of the Option Lands. '-_ 2. The Klebolds shall have thirty (30) days from receipt ofTBI's notice to advise TBI in writing of 'their election to exercise their "Right of First Refusal" and to purchase the Option Lands for the ptlrchase price established by TBI or to finalize negotiations with TBI for the purchase of the Option Lands at a different price. 3. In the event the Klebolds elect to exercise their "Right of First Refusal", or in the event they reach an agreement with TBI for the purchase of the Option Lands at an alternate price, TBI and the Klebolds shall enter into a mutually acceptable fonnal Contract to Buy and Sell Real Estate which provides for a closing on the transaction within ninety (90) days from the date of the execution of such Contract. 4. In the event the Klebolds elect not to exercise their "Right of First Refusal" to purchase the surface estate in the Option Lands, or in the event they are unable to close the transaction within the above referenced time periods, TBI shall be released from all obligations to sell the Option Lands to the Klebolds and shall be entitled to sell the Option Lands to a ready, willing and able buyer at any negotiated price, provided that such third party sale is concluded and the transaction closed within 36S days after the date ofTBI's first notice to the Klebolds of its intent to sell as required under paragraph 1 above. In the event TBI fails to conclude and close on the sale of the Option Lands within said 365 day time period, the Klebolds "First Right of Refusal" to purchase the surface estate in the Option Lands as provided herein shall again attach to said lands. • • • S. The Klebolds "First Right of Refusal " to purchase the Option Lands, as created hereunder, shall not apply to IBI's sale of the Option Lands as part of a sale of all, or a portion of its assets, in the normal course and conduct of its oil and gas business. 6. The "First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is specifically limited to the purchase of TBI' s ownership interest in the surface estate in and to the Option Lands and IBI specifically excludes and reserves unto itself all its right, title and interest in and to the mineral estate in and under the Option Lands with the right to explore, develop, extract and remove 8uch minerals without limitations. 7. The "First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is personal in nature and shall not be assigned or conveyed to a third party without the express written consent from IBI. 8. The rights granted hereunder shall not operate as, and nothing set forth herein shall be construed as or shall constitute, a restriction on IBI' s absolute right to use the surface of the Option Lands for any purpose regardless of whether or not such use diminishes the value of such surface estate, provided however, that IBI shall not impose conservation or other restrictions, enter into any agreement with a private party or governmental agency or consent to a land use regulation proposed by any governmental agency, which will continue to burden and/or restrict the use of the surface estate in the Option Lands after IBI disposes of its interest in said lands or which otherwise creates, constitutes or imposes a permanent restriction on the use of the surface estate in the Option Lands. IN WITNESS WHEREOF this instrument is executed this 6'!1 day of November, 1997, to be effective as of the 241h day of October, 1997. IBI Production Company By Richard B. Porter, Attorney-in-Fact CORPORATE ACKNOWLEDGMENT ST ATE OF COLORADO § § CITY AND COUNTY OF DENVER § The foregoing instrument was acknowledged before me by Richard B. Porter, as Attorney-in-Fact for TB! Production Company, this 6th day of November, 1997. WITNESS my hand and official seal. My Commission Expires: MY COMMISSION EXPIRES: 2-12-99 Notary Public • STATE OF COLORADO COUNTY OF GARFIELD ) EASEMENT AND ROAD USE AGREEMENT • ) KNOW BY ALL MEN BY TIIESE PRESENTS ) THAT, Larry A. Klebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hereinafter referred to as "Owners", are the owners of the following described lands ("Owners' Lands") located in Garfield County, Colorado, to wit: Township 7 South. Range 96 West Section 35: NE/4,N/2SE/4, E/2NW/4 Section 36: W/2SW/4 - Garfield County, Colorado and TB! Production Company, 555 Seventeenth Street, Suite 1850, Denver, Colorado 80202, hereinafter referred to as "TB!" desires to acquire an easement across Owners' Lands for ingress and egress to and from certain lands located near the above described property on which TB! will be conducting oil and gas drilling and/or production operations, hereinafter referred to as "TB! Properties"; NOW, TIIEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable considerations, the receipt and sufficiency of which being hereby acknowledged, the parties hereby agree as follows: 1. Subject to the terms and conditions set forth herein below, Owners hereby grant, bargain, sell, and convey to TB! a private, terminable easement on, over and across the Owners' Lands at the location set forth in paragraph 2 below, and hereafter referred to as "the Access Road", for the purpose of ingress and egress to and from the TB! Properties for the sole purpose of conducting oil and gas operations on the TB! Properties. 2. The easement granted hereby shall be and is hereby limited to fifteen (15) feet on each side of the center line of the existing private road across Owners' Lands as shown on the attached Exhibit A; provided that the location of the existing private road shall be changed to avoid the houses in the SE/4 of Section 26, with the center line of the easement hereby granted to be located at least 750 feet from such dwellings; 3. TB! shall, at its sole cost and expense, construct, improve and maintain the Access Road to meet the following specifications: (a) The Access Road shall be constructed and maintained with an all weather surface (excluding hard surfacing) and shall be so completed within six weeks after the first use by TB! of the easement granted hereby; Page 1 • • (b) Culverts at ditch and drainage crossings and barrow pits shall be installed where the Access Road crosses ditches or drainages; (c) The Access Road shall, at all times, be properly graded and drained and adequate dust control methods using magnesium chloride water shall be utilized by TBI in the maintenance of such road. ( d) Cattle proof fences shall be constructed and maintained by TBI on both sides of the Access Road; ( e) Permanent gates and cattle guards shall be installed at each point where the Access Road intersects perimeter and cross fences on Owners' Land, at Owners' election. If Owners or TBI choose to lock any gates on the Access Road, keys will be provided to TBI or Owners by the party locking the gate; (f) building. TBI shall reclaim all areas on both sides of the Access Road due to road 4. As further consideration for the easement granted hereby, TBI agrees (a) To upgrade, to the specifications of the Access Road, the existing road to the residence now on Owners' Land and to build, at no cost to Owners and to the specifications of the Access Road, one single track spur road for Owners' access to a future home site on Owners Land in the W\2NE/4 or E/2NW/4 of Section 35 to be designated by Owners. (b) If TBI removes snow from the Access Road, it will concurrently remove snow from the road or roads identified in (a) above. 5. The Access Road and the easement granted hereby shall be used solely by TBI, its agents, employees, contractors and subcontractors for the purpose of oil and gas drilling and/or production operations. Page 2 • • 6. TBI, it agents, employees, contractors and subcontractors shall be and are hereby prohibited from hunting on Owners' Lands. 7. TBI's use of the Access Road shall be at its sole risk and TBI shall indemnify and hold Owners harmless for any injuries and or losses caused by or arising out of the construction, maintenance or use of the Access Road by TBI, its agents, employees, contractors or subcontractors. &. Owners and Owners' agents, licensees, permittees and/or assigns, shall have the right to use the Access Road, which use shall be at Owners' sole risk, and Owners shall indemnify and hold TBI harmless against all and any claims for injuries and/or losses which result from Owners' use of the Access Road except those attributable to a breach of the construction or maintenance obligations of TB!. 9. The easement granted hereby shall terminate at such time as the Access Road shall no longer be used by TBI its' heirs, successors and/or assigns for oil and/or gas drilling and/or producing operations, and upon such termination TBI shall execute any documentation necessary in Owners' opinion to fully evidence ofrecord the termination of all rights ofTBI with respect to Owners' Lands and the subject easement. Upon such termination, Owners shall have the option, but not the obligation, to take over the maintenance of the Access Road. Should Owners elect not to take over maintenance of the Access Road, TBI shall restore the surface of the Access Road to its original grade and vegetation. 10. This agreement is subject to the terms of that certain Letter Agreement dated October 24, 1997, by and between Owners and TBI which sets forth certain additional monetary and other considerations to be paid by TBI to Owners for the continued use and enjoyment of the Easement granted hereunder, which Letter Agreement is by this reference fully incorporated herein and made a part hereof. 11. This Agreement, together with the above referenced Letter Agreement dated October 4, 1997, constitutes the full and final agreement between the parties which is subject to mollification only by the written agreement of the parties hereto. Page 3 • • This Agreement shall constitute a convenant running with the lands and shall inure to and be binding to the parties hereto, their heirs, successors and/or assigns. IN WllNESS WHEREOF, this instrument is executed effective as ofthed.f-iz,t.lday of October, 1997. TBI Production Company By: Richard B. Porter, Attorney-in-Fact Page4 • • CORPORATE ACKNOWLEDGEMENT STATE OF COLORADO ) ) CITY AND COUNTY OF DENVER ) The foregoing instrument was acknowledged before me by Richard B. Porter, as Attorney-in- Fact for Tom Brown, Inc. this ,'.;!!fMV day of October, 1997. g. STA TE OF COLORADO /I, J;;:,.. llv>t.-<:t'. cOi'fN/ff OF ~ ) ) ) Notary Public a.1,0tr J? &fl«a/ r The foregoing instrument was acknowledged before me by Larry A. Klebold and Karen Klebold this J4"""day of October, 1997. WITNESS my hand and official seal. My Commission Expires: Notary Public ~Y#4i<~ Page 5 .. Exhibit "A" Attached to and made a part of that certain Easement and Road Use Agreement dated October~ 1997 by an between Larry A Klebold and Karen Klebold, husband and wife,(Owner) and TBI Production Company, "TBI": I I /11 I ~-H~~='~ ··~~~~ • RIGHT OF FIRST REFUSAL TO PURCHASE REAL ESTATE STATE OF COLORADO § • § COUNTY OF GARFIELD § KNOW ALL MEN BY THESE PRESENTS THAT WHEREAS Tom Brown, Inc., 555 Seventeenth Street, Suite 1850, Denver, Colorado 80202, hereinafter referred to as "TBf', owns the following described lands located in Garfield County, Colorado: Township 7 South. Range 96 West Section 25: SF/4S4/W Section 36: F/2NW/4, S/2NE/4, N/2SF/4, NE/4SW/4 Garfield County, Colorado which lands are hereinafter referred to as the "Option Lands"; and WHEREAS Larry A. Klebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hereinafter referred to as the "Klebolds", are the owners of certain lands located adjacent or contiguous to the "Option Lands"; and WHEREAS TBI and the Klebolds have entered ento that certain unrecorded Letter Agreement dated October 24, 1997 under which TBI has agreed to extend to the Klebolds a" Right of First Refusal" to purchase all ofTBI's right, title and interest in and to the surface estate in the Option Lands: NOW THEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable consideration the receipt and sufficiency of which is hereby acknowledged, TBI hereby grants and conveys to the Klebolds a "Right of First Refusal" to purchase the surface estate in and to the Option Lands under the following terms and conditions: l. At such time as TBI elects to sell, transfer or otherwise dispose of its ownership interest in the surface estate in the Option Lands, TBI shall notify the Klebolds in writing of such intention which notice shall set forth TBI's purposed purchase price for the sale of the Option Lands. 2. The Klebolds shall have thirty (30) days from receipt ofTBI's notice to advise TBI in writing of their election to exercise their ''Right of First Refusal" and to purchase the Option Lands for the purchase price established by TBI or to finalize negotiations with TBI for the purchase of the Option Lands at a different price. 3. In the event the Klebolds elect to exercise their "Right of First Refusal", or in the event they reach an agreement with TBI for the purchase of the Option Lands at an alternate price, TBI and the Klebolds shall enter into a mutually acceptable formal Contract to Buy and Sell Real Estate which provides for a closing on the transaction within sixty (60) days from the date of the execution of such Contract. 4. In the event the Klebolds elect not to exercise their "Right of First Refusal" to purchase the surface estate in the Option Lands, or in the event they are unable to close the transaction within the above referenced time periods, TBI shall be released from all obligations to sell the Option Lands to the Klebolds and shall be entitled to sell the Option Lands to a ready, willing and able buyer at any negotiated price, provided that such third party sale is concluded and the transaction closed within 365 days after the date ofTBI's first notice to the Klebolds of its intent to sell as required under paragraph l above. In the event TBI fails to concluded and close on the sale of the Option Lands within said 365 day time period, the Klebolds "First Right of Refusal" to purchase the surface estate in the Option Lands as provided herein shall again attach to said lands. • • 5. The Klebolds "First Right of Refusal" to purchase the option lands, as created hereunder, shall not apPly to TBI's sale of the Option Lands as part ofa sale of all, or a portion ofits asset-s, in the normal course and conduct of its oil and gas business. 6. The ''First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is specifically limited to the purchase of TBI' s ownership interest in the surface estate in and to the Option lands and TBI specifically excludes and reserves unto itself all its right, title and interest in and to the mineral estate in and under the Option Lands with the right to explore, develop, extract and remove such minerals without limitations. 7. The ''First Right of Refusal" to purchase the Option Lands granted to the Klebolds hereunder is personal in nature and shall not be assigned or conveyed to a third party without the express written consent ofTBI. 8. The rights granted hereunder shall not operate as, and nothing set forth herein shall be construed as or shall constitute, a restriction on TBI' s absolute right to use the surface of the Option Lands for any purpose regardless of whether or not such use diminishes the value of such surface estate, provided however, that TBI shall not enter into any agreement with a private party or governmental regulatory agency, or consent to a land use regulation proposed by any governmental regulatory agency, which will continue to burden and/or restrict the use of the surface estate in the Option Lands afler TBI disposes of its interest in said lands or which otherwise creates, constitutes or imposes a permanent restriction on the use of the surface estate in the Option Lands. IN WITNESS WHEREOF this instrument is executed this day of October, 1997, to be effective 3.l! ofthe 24"' day of October, 1997. -- Tom Brown, Inc. Richard B. Porter, Attorney-in-Fact CORPORATE ACKNOWLEDGMENT STATE OF COWRADO § § CITY AND COUNIY OF DENVER § The foregoing instrument was acknowledged before me by Richard B. porter, as Attorney-in-Fact for Tom Brown, Inc., the_ day of October, 1997. WITNESS my band and official seal My Commission Expires: Notary Public • STATE OF COLORADO COUNTY OF GARFIELD • ) • L:L. '. EASEMENT AND ROAD USE AGREEMENT 384 P01 s;./Jfl17 ) KNOW ALL MEN BY TIIESB PRESENTS ) 00 '00 !ln-<'7 THAT, Larry A-Idebold and Karen Klebold, 60 Garden Center, Suite 202, Broomfield, Colorado 80020, hm:inafter referred to as "Owners," are the owners of the following described lands ("Ownera' Lands") l11caied In Gar:tield Count)', Colorado, io wit: Township 7 Sputb 'Banse 96 We:a Section 3S: E/2, NW/4 Section 36: SW/4 Garfield County, Colorado, and TBI Production Company, SSS Seventeenth Street, Suite 18SO, Denver, Colorado 80202, hereinafter referred to a.a "TBr' desires to acquire an easement across owners' Lands for ingross and egreu to and from certain lands located near the above described propeny on which TBJ will be conductins oil and gas drillins and/or production operations, hereinafter referred to as "TBI Properties"; 00:00 NOW, THEREFORE, for and in consideration of TEN DOLLARS ($10.00) and other good and valuable considerations'. the receipt and suffici~3 or w~ch being hereby acknowledged, the parties hereby agree as follows. JJt 1lfft. . . ~i: (_ '1 1Jr / . .r. /? .. ,.,-h,.., c 0 c r "r,r,r;)1" • __ ) • t £ 0 "-,-rf-,,_,,_, ,,...c -..... ·\ ~-0:....-------' ·A'?"~tf'fT_. R.111.rr_..,.....,,,. ::_: ·, 1. Subject to the _term~ and co~ns set forth herelri below, Ownorll hereby grant, bargain, · , _ ,_;"'-' sell, and convey to TBI a pnvate, t~QiiiiiableJeasement on, over and across the Owners' Lands at the location aet forth in par118T8ph 2 below. a.nil hereafter referred to as "the Access Road", for the purpose of ingress and egress to and ftom the TBI Properties for the sole purpose of conducting oil and sas opcratiwu on tbe TBI Properties. 2. The eaaement granted hereby ahall be and is hereby limited to fifteen (IS) feet on each side of the center lino of the exiating private road across Owners' Lands as shown on the attached , Exhibit A; provided that tho location of the elllating private road shall be changed to avoid the houses in the SR/4 ofSl'Ction 26, with the center line of the easement hereby granted to be located at least 7SO feet from such dwelling1; 3. TBI &hall, at its sole cost and expense, construct, improve and maint&in the Accesi Road to meet the following specifications: DGS-71tl01.2 Oclobor 9, 19973:AS pm 384 P02 00 '00 00:00 .JC.l"'I ·OI •'iU~ll !"l.JVVI\ I. U UI I \,I' .......... ' ... .,,,.,. "'"'" 0 --u·•--·-·-, ~v/ ;'{ tbtfik' \ ~ ~ >---====- . ll' O'/ (a) The Acceas Road shaD be construct and maintained with an all weather surface &'7 (excluding hard surlllcin8) and she.II be ao completed withi · -_ weeks after the first uao by TBI of the ~ wement granted hereby; 1_ 0? (b) Culverts at ditc;h and drainage crossings and barrow pits shall be installed where ~ the Ac.cesa Road crosses ditches OT drainagC1; . I rt' V ( c) Thu Ar.cess Road shall, at all times. be properly graded and dl1llned and adequate w· ( . dust. control method&. shall be utilized by TBI in the maintenance ot such road, ~~o ~ -~/1 on;Coi,mt}',..R~~] JJ 4 s.,-('e,.rw-c_ 4N 1c;71 d'",~.,5 ~-,,:-. y r- /,, , "l"... ~ Cifttt) 41< ?Jo -I'! ) •.• ~ I (d) Cattle proof fences shall be constructed and maintained by TBI on both sides of ~\)f the Access Road; ~ ( e) Permanent gates and .cattle guards shall be installed at each point where the Access Road intersects perimeter and cross fences on Owners' Land, at Owners' election. lf Ownen or TBI c:hooae to lock any gates on the Access Road, keys will be provided to TBI or Owners by the parly loclcing the gate; , (t) TBI shall reclaim all llleU on both side$ofthe Accl!Ss Road due to road bull4ing. a(-- (}i ll?rr.s-_ 'f1} __ tj ( _ /H '-'< rrJ ;fC,-vr ,4r ,5"~l /o,/V I "A/ T7 /h ~ ~' \. ~-. c:: ,-~wlisideration!otlhe..w~i.&raiited hereby, ~ atl!i O\IQ\ers'~vitees X' t.JI \ sh have exclusive hunting rights on the followina d~cribed lands o"'1Jed bycTB1:---# t? '\(\l · " · /; · -tf ,M.,.v.. s .5 /tff-z--<-hr r I" ,( ~ .i u\; Township 7 South Ranse 96 Wes! .~ ,,h.. fo- . , ·~l' I jV ~~ Garfield County, Colorado ?#? /7'J ,b'"24;J/ \1.t ( 'ff Section 25: SE/4 SW/4 _ /f/6 60,,v T?/V{i. ,, l r~ y{ Section 36: E/2 NW/4, S/2 NE/4, N/2 SE/4, NE/4 SW/4, '~ \i.) l Md shall ~Ve t!!_e right to eXGlude all other huntel'$ from such Jand:i. _ -- ~ 5. A~ further consideration for tho casement granted hereby, TBI agrees ~ /)} ~ (a) To upgrade, to the apecitlcationa of the Access Road, the exbtina road to the , ~ residence now on Owners' Land and to build, at no cost to Ownel'B and to the apccifications of the f<-"fi ,; ? Acce55 ~oad, one Jingle track spur ro _ .wners' acees~to a future ho~e site on Owners' Land iA~RW'1 c tobedesignatedby10wners. (Yq~ ~ Jf!_ 1 ~kn~ tM-<P~~1q.. f"'1t . v ~{n llUt/J ,Jr . -IVWIVES.-c ?> . ? ~r-. . ~p!iCtf _____ --_----_--c;Jl!> __ S!~_-"".' ,,,.;'f_.ow;"~,Ac:_e~--~;pp·•f!!A!1te~._Sll0l!.l __ ~-1 ft~mttlf6Ji0ido~_r.Qiiis.1o!:nb~edln(aJa'riove:" _ -~ JD~ "-<.Nl1 >"~"'-,#.-r p.,.,.r /O/h/ .n . C?t<: 2J e" "r.,_ ,. 3F IC! 'f - 6. The Acceaa 'R.o&d and the easement gr1lllted hetcby she.II be used sol~ by TBI, its agents, employtlCS, contractors and subcontractors fur the purpose of oil and gas drllling and I or O /l production operations._ ,,_. ·2- 384 P03 00 '00 00:00 .JC!"~ ·.IJJ ·~Ulj' L &,..VU&\ • --· • (111'/ I µ1, fl o-9 I~ 1. TBI, ita agents, employees, contractors and subcontractors shall be and are hereby ,y J if" prohlbitad from hunting on Ownen' Lands. K 8. TBl'1 use of the A~s Road shall be at its sole risk and TBI shall indemnify and hold "Owners harmleas for any Injuries and or losses 91used by or arising out of the construction, maintenance or UM of the Access Road by TBI, its agents, employees, contractors or subcontractors. 9. Owners and Owners' agents, licensees, permlttees and/or auigm, shall have the right to use the AQ008S Road, which use shall be at Owners' sole risk, and Owners shall indemnify and hold TBI Jwmleu against all and any claims for injuries and/or losses which result from OwncrB' uso of t1!e Aoaeo_Road ~<ith0ao!attfil__b\tta!Jlentg11];bn:a:\:IFO,Pflie_~~~ctibn'.ornuiint~ce obl~ti~~" E_LlfTB!. _ ~· 11 ufz. .9 t. c. e rr=. 'fM; ::<~t'Nfir'<- .. Qrl 1~ . ,,/,t,,-15, ,r/.s ..r,-t: ,u::;. 10. 'J,liJiraas£m~&anted hereby shall terminate at such time as the Access Road shall w longer be used r:?O'rolr and I or gas drilling and I or producing operations, and upon such terrliination TBI shall ex~Le any documentation necessary in Owners' opinion to fully evidence of rri:iaiddJte.\termination of &lJ rights of TBJ with respect to Owners' Lands and the subj~0 e_B.$.emen!. Up0nsuch termination, Owners shall have the option, but not the obligation, to take over the maintenance of the Acee» Road. Should Owners elect not to take over maintenance of the Access Road, TBI shall reatore the surface of the Access Road to its original grade and vegetation. l l. This Agreement is subject to the terms of that certain Letter Aareement dated October__, 1997, by and between Owners and TBI which sets forth certain additional monetaty and other coMideratlons to be paid by TBl to Owners for the continued use and enjoyment of the Easement granted hereunder, which Letter Agreement is by thb reference fully incorporated herein and made a part hereat 12. This ABreement, together with the above referenced Letter Agreement dated October~ 1997, con1titut11s the full and final agreement between the parties which is subject to modification only by the written agreement of !he parties hereto. -3- 384 P04 00 '00 00:00 • • This Agreement shall constitute a covenant running with the lands and shall inure to and be binding on the parties hereto, their heirs, successors and/or assigns. IN WITNESS WHEREOF, this instrument is executed effective as ofthe _day of October, 1997. Larry A. Klebold Karen Klebold TBI Production Company By: Richard B. Porter, Attorney-in-Fact -4- 384 P05 00 '00 00:00 --··· -.·• --··· --·-·· • • COBPQMTE ACKNOWJ,EDGMENT STATE OF COLORADO ) ) CITY AND COUNTY OF DENVER ) The foregoing instrwnent was acknowledged before me by Richard B. Porter, as Attorney-in-Fact for Tom Brown, lno. this_ day of October, 1997. WITNESS my hand and official seal. My Commission Expires: Notary Public JNDIVIDVALACl(NQWLEDGMENT STATE OF COLORADO COUNfYOF ----- ) ) ) The foregoing instrument was acknowledged before me by Larry A. Klebold and Karen Klebold this _day of October, 1997. WITNESS my hand and official seal. My Commission Expires: Notary Public -~- .. • MEMORANDUM OF SURFACE DAMAGE AND RELEASE AGREEMENT WHEREAS on the '-o day of U~ 2005, Daybreak Realty, Inc., ("Owner") entered into a Surface Damage and Release Agreement with EnCANA OIL & GAS (USA) INC., ("Operator"), covering lands described on Exhibit "A" attached hereto. Said agreement provides for, among other things, the right to enter upon and use the Owner's property for the purpose of conducting oil and gas operations thereon. Said agreement sets forth payment of specific amounts to cover damages resulting from the construction, use and maintenance of the lands. Said agreement, with all of its terms, conditions, covenants and other provisions, is referred to and incorporated into this Memorandum for all purposes. NOW THEREFORE this Memorandum is placed of record for the purpose of giving notice of the Surface Damage and Rel~ase Agreement. ! Owner: Operator: Daybreak Realty, LLC EnCANA Oil & GAS (USA) INC. By: /'3"/ID . < ( ~;fpf'-.1.1,!? State of GGloraOO--· ) 5-a:dl" ~ dezl-d) § County of €affielcr ) 1 · ft ft • M1~;, ~ fA{;GfR15• J @ Commission I 1378619 Notary PublJc -CaHtomia I J Santa Clara County l My Comm. Expires Nov 4, 2006 '!' '0. 0 • 0 •• 0 0. On this 7f'MTi&r1 day of •YM.uJ L/ 2005, before me personally appeared 80 n [~l&hzm , of Daybreai< Realty, LLC, known to me to be the person(sf-' described in and who executed the foregoing instrument, and who acknowledged to me that he ~executed the same. (SEAL) My commission expires: N DY: 0J _::z.fYf)b State of Colorado ) ) § City & County of Denver ) '14--,,'!,., ' On this '-I day of J 1 ltl·~C 1''-, 2005, before me personally appeared, Joel S. Fox, Attorney-In-Fact for EnCANA OIL & GAS (USA) INC., known to me to be the person described in and who executed the foregoing instrument, and who acknowledged to me that he executed the same. (SEAL) My commission expires: Notary P(Jblic ' .. / My Comm1ss1on b.l)ires 7!1Q.t2008 EXHIBIT "A" N2N Section 36 th of Section 25 Township. 7 South, Range 96 West of the 6th P. .; Lot 3, E2SW4, W2SE4 of Section 19, and Lots 4, 5, 7 and 8, NE4SW4, SE4NW4 and the SW4NE4 of Section 30 Township 7 South, Range 95 West of the 6th P. M. in Garfield County, Colorado. 13"/10 MEMORANDUM OF SURFACE DAMAGE AND RELEASE AGREEMENT. WHEREAS on the koday of 4"'~ 2005, Daybreak Realty, Inc., ("Owner") entered into a Surface Damage and ReJeaAgreement with EnCANA OIL & GAS (USA) INC., ("Operator"), covering lands described on Exhibit "A" attached hereto. Said agreement provides for, among other things, the right to enter upon and use the Owner's property for the purpose of conducting oil and gas operations thereon. Said agreement sets forth payment of specific amounts to cover damages resulting from the construction, use and maintenance of the lands. Said agreement, with all of its terms, conditions, covenants and other provisions, is referred to and incorporated into this Memorandum for all purposes. NOW THEREFORE this Memorandum is placed of record for the purpose of giving notice of the Surface Damage and Release Agreement. Owner: Operator: Daybreak Realty, LLC EnCANA OIL & GAS (USA) INC. \ '~ ' Cd,/, ~I' J1, ~· State of Colof8 ) .7~ C--JO!r,d) § County of G / ) On this T.JMT1'e,,Ji; day of ,Yariv<z.l'ai:' 2005, before me personally appeared f?t> h Gd.vh.;z,wt , of Daybre Realty, LLC, known to me to be the person(s}-- described in and who executed the foregoing instrument, and who acknowledged to me that he (#lay) executed the same. (SEAL) My commission expires: N'th/, >f. _::>-.9(),b , ~dff~£e~ Notary Public ~ State of Colorado ) ) § City & County of Denver ) ~ On this~ day of (YiJv\CfL , 2005, before me personally appeared, Joel S. Fox, Attorney-In-Fact for EnCANA OIL & GAS (USA) INC., known to me to be the person described in and who executed the foregoing instrument, and who acknowledged to me that he executed the same. (SEAL) My commission expires: ~}Y{{!,·'<L,., ~ Vv.Cti,.rr.,/i Notary Public My Commission b.pires 7/19/2008 _, EXHIBIT "A" N2NE4 of Section 36, the S2SE4 of Section 25 Township 7 South, Range 96 West of the 6th P.M.; Lot 3, E2SW4, W2SE4 of Section 19, and Lots 4, 5, 7 and 8, NE4SW4, SE4NW4 and the SW4NE4 of Section 30 Township 7 South, Range 95 West of the 6th P. M. In Garfield County, Colorado. r • • SURFACE DAMAGE AND RELEASE AGREEMENT I · ...., l);iis Surface Damage and Release Agreement ("Agreement") is entered into this~ day of January, 2005 between Daybreak Realty LLC, whose address is 25300 Loma Prieta Avenue, Los Gatos, CA 95033, (hereinafter "Owner") and EnCANA OIL & GAS (USA) INC. whose address is 370 17th, Street Suite 1700, Denver, CO 80202, its agents, affiliates, subcontractors, successors and assigns (hereinafter "Operator"). RECITALS A. The Owner owns the surface estate of property located in Garfield County, Colorado described in attached Exhibit A ("Property"). B. Operator is the owner of the oil and gas leasehold estate underlying the Property and Operator plans to develop its leasehold interests by drilling and operating oil and gas wells on the Property. C. This Agreement provides for payment to Owner and for the protection of the surface estate of the Property while allowing the prudent development of the energy resources. D. Owner acknowledges that Operator has the right to access the Property for drilling and related operations. Owner and Operator agree to the terms set forth within this instrument. NOW THEREFORE, in consideration of the covenants and mutual promises set forth in this Agreement, the parties agree as follows: I. ROAD ACCESS 1. PLAN OF OPERATIONS. Prior to the commencement of operations, Operator shall provide to Owner a plan depicting Operator's proposed drilling activities. The proposed plan will include a base map illustrating the locations of proposed roads, power lines, pipelines, wells and facilities, along with the locations of existing roads and existing facilities. Operator may, from time to time, review and update the development plan and apprise Owner of any alterations within the plan. Operator shall also provide the Owner with a plat showing the length of all access roads utilized by Operator immediately following the construction or improvement of said access roads. 2. ROAD MAINTENANCE. Surface damage shall be minimized, to the extent possible, to limit impact to the owner's property. Operator agrees to repair, at Operator's expense, damages to Owner's Property which are caused by Operator. Operator shall be responsible, at its own expense, for all road maintenance, improvements and culvert replacements necessary to support its activities. Operator shall maintain the entrance gate to the Owner's Property in proper operating condition at its expense. In those instances where roads cross fence lines, Operator shall pay for and install cattle guards and/or braced gates at Owner's request. 3. ROAD IMPROVEMENTS. Operator will employ its best efforts to insure that all roads remain safe and passable, even while under construction. Road • • improvements shall be constructed so as to avoid areas with high erosion potential. Improvements to roads shall be graded to spread drainage instead of channeling runoff, unless Owner directs otherwise. No road grades in excess of 15% shall be allowed on slopes greater than 15%. The speed limit on all private roads shall be 20 miles per hour and operator shall enforce adherence to the limit. No off-road travel is permitted and no activity which has the effect of widening any road on Owner's property shall be allowed. Operator shall restrict its agents and employees only to the areas where work necessary to its operations is being performed. 4. ACCESS RESTRICTIONS. All access easements shall be limited to twenty-two and a half feet (22%') from the centerline of each road for flowlines, fills, shoulders and crossings, unless altered by the parties in writing. Access easements shall include an additional 25' of temporary workspace as needed for safety and construction concerns and shall not exceed eighteen feet (18') in width for travel surface. 5. PROPERTY MAINTENANCE. Operator agrees to keep all areas free of weeds, debris, litter and trash, and shall perform periodic trash pickup, maintenance and repair when requested by the Owner in writing. 6. REMOTE MONITORING. Where economically feasible, a remote monitoring system shall be installed within twelve (12) months of establishing production from the Property to limit the number of routine maintenance visits to the Property. 7. MINIMAL SLOPE. Access, flowlines, pipelines and well site(s) shall be designed and constructed in a manner that minimizes disturbed area. Steep slopes shall be avoided and deep cut and fills shall be constructed to the least possible slope. Road construction that requires cuts-and-fills shall be minimized to the maximum extent possible. Dust suppression shall be adequately managed by Operator on roads utilized by Operator during project operation. II. OPE:RATIONS, COMPLETION AND PRODUCTION 1. EQUIPMENT STORAGE. Absent Owner's consent, except during active operations, completion and production, Operator's equipment shall not be stored on the Property. 2. CONTROL OF LIQUIDS. Well site equipment shall be designed or padded so that any oil, lubricant, or toxic materials drain into a collection system for safe removal from the Property. 3. WATER. Produced water shall be removed from the Property. Produced water shall not be disposed of by road spreading without Owner's written consent. In addition, Operator shall not, without the Owner's prior written consent, use any water from existing wells, reservoirs and springs on the Property. Operator shall not disturb, interfere with, fill, or block any creek, reservoir, spring or other source of water on the Property. 4. NOXIOUS WEEDS. Operator shall use its best efforts to ensure that noxious weeds are not introduced to the Property and will remove noxious weeds which are introduced or spread due to its operations on the Property. 2 • • 5. LITTER. All construction debris shall be removed immediately by Operator. Construction areas and access roads shall be kept litter-free by Operator. Operator shall provide trash receptacles on all well pads and trash shall be contained and regularly collected during Operator's operations. All garbage and trash shall be expeditiously removed at Operator's expense. 6. VEGETATION. Operator shall use best efforts to minimize disturbance to existing vegetation near the well site. Vegetation removal necessitated by construction shall be confined to the limits of actual construction. Operator shall prune rather than remove vegetation in instances where removal is not necessary. All trees removed for construction must be removed from the Property, bucked up for firewood, or left on the Property per Owner's written request. All slash and debris shall be removed from the Property within one week of cutting. 7. NOTICE OF OPERATIONS. Operator shall notify Owner in writing 30 days prior to any drilling or re-working operations, or construction of access improvements on the Property. 8. USE OF PITS. In order to protect the surface and water below the surface, Operator shall either use lined pits during the drilling of the wells or shall drill without the use of pits. If lined pits are used, such pits shall be fenced and screened to prevent injury to humans and wildlife. Operator shall be solely responsible for mitigation of soil and groundwater contamination from its operations. Upon completion of the wells, drilling waste materials shall be rendered soil-like and suitable for deep-root vegetation growth. Operator is hereby permitted to use Soli-Bond as a solidification product so the drill pit may be reclaimed rapidly. Any pits shall be reclaimed as close to their original condition as possible in accordance with the regulations of the COGCC. 9. WELL TRANSFER. Owner shall have thirty (30) days (hereinafter "Election Period") after written notification from Operator to elect to take over from Operator any abandoned well-bore where the surface location and bottom hole location are both contained on the Property for the purpose of converting said well to a water well. Owner shall exercise its option by providing written notice of its election to Operator on or before the expiration of the Election Period. Owner shall obtain all required permits, licenses and bonds prior to any transfer of said well from the Operator. Upon Owner's exercise of the option set forth herein, Owner shall be responsible for all subsequent costs and expenses related to Owner's election. Operator shall transfer the well to Owner, to a maximum depth to be determined and/or required by the Colorado Oil and Gas Conservation Commission. Owner shall, by written instrument, indemnify, defend and hold Operator harmless and forever release Operator from any further obligations and liabilities as to said well including the plugging and abandonment and surface restoration. If Owner fails to respond or does not exercise its option within said 30 day period, Operator shall, in compliance with applicable State and Federal regulations, plug and abandon the well. 10. EROSION CONTROL. The topsoil horizon, or the top six inches of soil, whichever is deeper, shall be segregated and stockpiled separately at all excavations. Erosion control, including but not limited to netting, mulching, recseeding and weed control, must be maintained throughout Operator's construction activities. Water bars shall be constructed on road grades or slopes to avoid erosion. Spacing of water breaks is 3 • • dependent on slope and soil type. Culverts shall be placed in low areas for proper drainage. Timely re-contouring and re-vegetation of disturbed areas shall be required to limit runoff from disturbed areas that could cause sediment concentrations in surface waters to rise over present levels. Construction shall not occur on frozen or saturated soils or when the likelihood of watershed damage is higher than average. Accelerated soil loss will be minimized by limiting the following: the removal of vegetation; the leveling of work areas; and the location of wells on slopes that require cuts-and-fills for well pad construction. Areas of highly erosive soils should be avoided when well sites, access routes, and flowline routes are surveyed and staked, in order to substantially reduce the amount of soil loss. 11. SOUND. Sound levels must not exceed the maximum permissible levels imposed by the Colorado Oil and Gas Conservation Commission noise abatement regulations 802(a), 802(b) and 802(c) at property lines or home sites as applicable. If necessary to minimize sounds levels, additional sound attenuation shall be installed by Operator, at its own expense, as required to achieve acceptable noise levels. 12. VISUAL MITIGATION. Visual mitigation shall be performed by Operator to obscure its sites as nearly as practicable, and fencing shall be installed when requested in writing by Owner to protect children or livestock. Long-term visual-impacts shall be minimized through activities including painting exterior surfaces in earth tones consistent with the area and re-contouring and re-vegetating disturbed areas no longer needed for operations. 13. INTERIM RECLAMATION. Operator shall engage in prudent interim reclamation concerning its drilling activities. Ill. SAFETY and ENVIRONMENTAL ISSUES 1. NO UNAUTHORIZED PERSONNEL OR ACTIVITIES. Operator shall provide the owner with a list of 24-hour emergency contact numbers for responsible persons who are in supervisory capacity over others authorized by Operator to be on the Property. Operator shall ensure that all employees, contractors and all agents verify the entrance gate is closed and locked behind them when entering or leaving the Property. Every person authorized by Operator to be working on the Property shall be fully bonded and insured. Only employees or contractors of Operator and its agents are allowed on the Property. Personal or leisure activities are prohibited. Hunting and fishing are prohibited at all times. Harassment of wildlife is prohibited. Operator shall ensure that firearms, pets, alcoholic beverages or illegal drugs are not brought to the Property. Smoking is prohibited except in enclosed vehicles. (') _ -/ 2. LIABILITY OF THE PARTIES. Operator retains liability for any and all \(_JI environmental remediation of any pollutant or contaminant as a result of its operations, and shall pay all costs associated with such remediation. Operator shall take all ~ reasonable precautions to avoid any release, spill, deposit, or disposal of any hazardous v' v substances, sewage, or any pollutant or contaminant that is regulated by any applicable federal, state, or local laws or regulations ("Hazardous Substances") in, on, or about the Property. Operator shall indemnify, hold harmless, and defend Owner from any and all claims, liabilities, losses, damages, cleanup costs, and expenses (including reasonable attorneys fees) arising out of or in any way related to Operator's operations on the 4 • • ~ Property. The provisions of this paragraph shall survive the expiration or termination of r4XJ this agreement. '-(/ • 3. LIABILITY INSURANCE. Operator, at its expense, shall procure and maintain comprehensive general liability insurance policies against ciaims for bodily injury, death or property damage in the minimum amount of $1,000,000.00. 4. FIRE PREVENTION. Operator shall utilize safe practices, and take precautions at all times to avoid and prevent fires through the strict adherence to COGCC regulation 606(a) entitled FIRE PREVENTION AND PROTECTION. 5. PROHIBITED SUBSTANCES. The use of insecticides, herbicides, fungicides, rodenticides, and other toxic substances shall be prohibited unless used in conformity with a written plan, approved by Owner. Soaps, detergents, and other non-degradable substances shall be segregated, contained and disposed of in a safe manner. 6. WATER TESTING. Operator shall conduct baseline tests of Owner's existing water resources, as defined in C.R.S. 37-95-103(14), prior to commencing operations, after final reclamation of the Well Site, and as requested by the Owner or required by regulation or statute. In the event a water resource is determined to have decreased in quality or quantity due to Operator's operations, Operator shall take reasonable steps to return said water resources to the original condition indicated by the baseline tests. Damages caused as a result of a decrease in quality or quantity of the water resources due to Owner's operations are not covered by this Agreement. IV. RECLAMATION 1. SURFACE RESTORATION. Upon termination of any of Operator's operations upon the Property, Operator shall restore the surface of the Property affected by such terminated operations to as near original condition as practicable. Operator shall remove the wellhead to 52 inches below the surface upon abandonment. Final reclamation shall include, at a minimum, removal of all production equipment and debris, correction of subsidence of any disturbed areas by adding additional topsoil, closing unnecessary roads, re-grading and re-contouring closed roads and well sites, and reseeding. Reseeding shall re-establish as nearly as practicable to its original condition, vegetation suitable for farming, irrigation, forage and wildlife habitat in the disturbed areas. Additional measures, such as topsoil conservation, temporary fencing, fertilizing, mulching or weed control shall be utilized by Operator, as appropriate. Reclamation and restoration shall produce a natural appearance and shall be consistent with site conditions, local standards, and rules and regulations of appropriate local, state and federal agencies. Additionally the area, extent of surface disturbance and the length of time the area will remain disturbed before interim or final reclamation activities commence shall be minimized to the extent possible. 5 • • 2. TIME LIMITATIONS. The surface area surrounding the well shall be reclaimed to the standards of the COGCC for interim reclamation within a reasonable time and no later than 12 months after a well has been drilled. Final reclamation shall take place no later than 12 months after a well has been plugged and abandoned or sooner if required by the regulations of the COGCC. 3. BOND. Operator shall be fully bonded and insured for environmental reclamation throughout the life of the project and until final reclamation has been completed. V. SURFACE DAMAGE COMPENSATION Prior to the commencement of drilling operations for a well on any well pad located on the Property, Operator shall pay Owner the following prescribed "Damage Amount": First well on a well pad: Second well on a well pad: Third and subsequent wells drilled on a well pad: $10,000.00 2,500.00 3,500.00 per well. Such payment shall constitute payment in full by Operator and its affiliates for all normal damages, including, but no limited to, damages to growing crops, associated with the drilling, construction, completion, recompletion, reworking, re-entry, production, operation and maintenance of the well(s). Normal damages include, but are not limited to, reasonable and customary ingress, egress, rights-of-way, construction of all access roads, preparation and use of the well pad area, preparation and use of reserve pits, and construction, installation and maintenance of production equipment and facilities such as flowlines, gas pipelines, separators, tank batteries and other equipment or facilities necessary or convenient for the production, transportation and sale of oil and/or gas therefrom. If by reason of Operator's operations, there is damage to personal property on the Property or there is damage to the surface of the Property caused by the negligence of Operator or an unreasonable use of the surface of the Property by Operator that is not associated with reasonable and normal drilling, completion, recompletion, reworking, re- entry, production, maintenance and operation of the well(s), such as damage to structures, fences, culverts and cement ditches, such damage shall be repaired or replaced by Operator or Operator shall promptly pay Owner for such damage. Except as provided elsewhere in this agreement, Owner, for itself and its successors and assigns, does hereby, in consideration of the Damage Amount, release, relinquish and discharge Operator from all claims, demands, damages and causes of action that Owner may have by reason of the drilling of the well(s) and all other damages or injury to the Property caused by the drilling, completion, recompletion, reworking, re-entry, production, operation and maintenance of the well(s), and Owner accepts the Damage Amount as full compensation therefor. 6 • • VI. GENERAL PROVISIONS 1. COGCC REGULATIONS: Operator shall conduct its operations on the Property in accordance with all of the rules and regulations promulgated by the Colorado Oil and Gas Conservation Commission, as well as all other applicable local, state and federal laws, rules and regulations. 2. DEFAULT. In the event that either Owner or Operator fails to comply with any right, duty or obligation hereunder, the non-defaulting party shall so notify the defaulting party in writing and, if the default is not corrected within sixty (60) days from the receipt of said written notice, the non-defaulting party shall have the right to enforce the provisions of this Agreement in law or in equity along with any other rights and remedies, including recovery of reasonable attorneys' fees as provided under the laws of the State of Colorado. 3. RESTRICTED USE. Except for the use of the Property as described in the body of this Agreement, and as illustrated in Exhibit B, the Operator shall not use or occupy any part of the surface of the Property except in the event of an emergency. 4. INDEMNIFICATION. Operator agrees to defend, indemnify and hold Owner harmless from any and all third party claims, demands or judgments connected with Operator's use of the Property. This provision shall survive the expiration or termination of this agreement. 5. MEMORANDUM. Owner and Operator shall jointly execute and file in the county records a Memorandum of this Agreement to provide third party notice of the existence of this Agreement. 6. BINDING AGREEMENT. This Agreement shall supersede all preceding surface agreements, if any, executed by Owner and Operator or any of Operator's predecessors in interest covering the Property and related to gas development. This Agreement shall inure to the benefit of, and shall be binding upon, the parties hereto and their respective employees, contractors, subcontractors, affiliates, subsidiaries, agents, lessees, successors, legal representatives and assigns. 7. TERM OF AGREEMENT. Unless otherwise agreed by the parties, the rights and obligations granted under this Agreement shall terminate when operations cease to exist, as determined in good faith by Operator, or when all of the underlying leases have terminated, whichever occurs later. 8. FORCE MAJEURE. All express and implied covenants of this Agreement shall be subject to all federal, state, county or municipal laws, executive orders, rules and regulations, and Operator's obligations and covenants hereunder, whether express or implied, shall be suspended at the time, or from time to time, as compliance with such obligations and covenants is prevented or is in conflict with federal, state, county or municipal laws, rules, regulations or executive orders asserted as official by or under public authority claiming jurisdiction, or Act of God, and this Agreement shall not be terminated in whole or in part, nor Operator held liable for damages for failure to comply with any such obligations or covenants, if compliance therewith is prevented by, or is in conflict with, any of the foregoing eventualities. 7 • • 9. NOTICE. Any notice or other communication required or permitted under this Agreement shall be sufficient if deposited in the U.S. Mail, postage prepaid, with a copy sent via facsimile, addressed to each of the following: If to Operator: EnCANA OIL & GAS (USA) INC. Attn: South Piceance Land Negotiator 370 17th, Street Suite 1700, Denver, CO 80202 (720) 876-4551 (Facsimile) lfto Owner: Daybreak Realty LLC Attn: Bob Graham 25300 Loma Prieta Avenue Los Gatos, CA 95033 (970) 242-8466 (Facsimile) Any party may, by written notice so delivered to the other party, change the address or individual to which delivery shall thereafter be made. 10. ENTIRE AGREEMENT. This Agreement, which incorporates the Exhibits attached hereto and made a part hereof, constitutes the entire agreement between the Owner and Operator, and no representations or statements, either verbal or written, have been made between Owner and Operator which modify, add to or otherwise change the terms of this Agreement. All modifications and amendments to this Agreement of every nature and kind shall only be made in writing, signed by both Owner and Operator. 11. GOVERNING LAW. This Agreement shall be construed in accordance with the laws of the State of Colorado. IN WITNESS WHEREOF, the parties have executed this Agreement on the date first written above. EnCANA OIL & GAS (USA) INC. LLC ByJl!!!t Its: Alt rney-ln-· act 8 DAYBREAK REAL TY • i@·JMM~z.,;,:..· 1 <;ommlsslon I 1376619 Nofqry f'ublJc • Colltornla f ~ta•CIOra Counry - . · ... ~Comm.Ext>ltest;pv4,2006 ' < ~-f:f/ f '112-State of Gelef8ee · ) 5-;s.n.'Ja... c)ard!) § County of Gar:fielet--) On this "tWtMliR:Vpay of tT2Zf!iett:{ 2005, before me personally appeared he'Vt.i&k.,.+? . of D break Realty LLC, known to me to be the persor}described in and who executed the foregoing instrument, and who acknowledged to me that he ({hey) executed the same. (SEAL) I My commission expires: ,.J~y; 11, .;,.f)t),b ~7*~ Notary Public ~ State of Colorado ) ) § City & County of Denver ) On this Lf't1--day of {h,;,ilL./._, , 2005, before me personally appeared, Joel S. Fox, Attorney-In-Fact for EnCANA OIL & GAS (USA) INC., known to me to be the person described in and who executed the foregoing instrument, and who acknowledged to me that he executed the same. (SEAL) My commission expires:--------'-"/}vu~ ~ (}_y(_IVrn,:/ Notary PUblic 9 • • -. 1 • • EXHIBIT "A" :::;J/£ ···-f \ ·~'-::i· ·-'····L:;;'.:·.:-····----- : . ,·::;;;~:;;:. :. N2NE4 of Section 36, the S2S~4 of Section 25 Township 7 South, Range 96 West of the 6th P.M. Lot 3, E2SW4, W2SE4 of Section 19, and Lots 4, 5, 7 and 8, NE SW4, SE4NW4 and the SW4NE4 of Section 30 Township 7 South, Range 95 West of the 6th P. M. in Garfield County, Colorado. From: Byers, James C Sent: Friday, April 06, 2012 9:45 AM To: 'Busch, Renata' Cc: Cimiluca, Christine; Crockett, Allen B Subject: RE: JIM*High Mesa PN30 Access Renata, I spoke to Allen Crockett about this request. He asked that I respond to you and perhaps you can share this information with the county staff. Encana as the lease holder of the adjoining Federal oil and gas leases on High Mesa has rights prescribed in the lease language allowing for access across BLM land to those leases to conduct lease operations. So access is inherently provided to Encana to access the communication tower as the tower provides 24/7 radio telemetry to Encana offices regarding up-to-the-minute well operations on the various surrounding Federal leases. 1,.....~~.T •.,r:,;I· ·!.,.·l I) :-:i~~I;~:~·~i.J1M·· ' ·."-.''.,~.'.. ...;.Tltu r..,.,. "' •• , ,...,r- ...Md· .~ : &I""h, ••,~I.'It:.I. . I" •• ;.".'..'.' 7':01"'. .~.f'":::,'" \ I I .UNITED STATES" , .'. 'LJ~RTMENT OF THE INTt:..<1 BUREAU OF LAND MANAGEMENT ." om""............'"-~-~_...~ '..'..·..~i'\ :.'OFFER TO LEASE A;..-n LEASE FOnOIL A~m GAS..(Sec. 17 :-;onc~mpclili\'C j.Year Public Domain L~""e) ..... . . .'. .:, <THIS OFFER Wll.l nE REIHTElJ .~~D RETI'R~ED TO TIlE OrHROR A~D "'11.1. HrORD TilE OFFEROR ~O rRIORITY . : . Ir IT ISI~OT PROPI:III.\ 'nLLED I~.'~lJ E:\ElTTED on Ir IT IS ~OT ACCO~II'A~IED D\"TilE REQI:IllED DOIXMESTS 'OR PADIE:"iTS. SEE ITDl ~or GE:"iERAL I:"iSTRI'CTJO:"iS .>.. ~:: .-',:t. ~. ;'..: ••(FlU la 'oa •l1pewriLer or prial Pla..iDJ110 Ink aDd alp In Ink)'. ):;. . \fu. :.,. :";.:,.~::;::<.,;~.l.m..;e:~~~.:e.~:~f~·-·-~,~7§·-Oi~;·;··S~ .. or ' .. '.'......."~.' . y_.!-_.:.... ~_.~~ .. ~ ... ~ .. _ .. .; ....~.,.:f;:.::tU.-::9.nk t;..r.~7ru.:t :o~.?9.r,y . :'. • .".t..","wr.lod &.I.Id=Llec'l 1-' ..'\...I'.'"..'. '.:.... ..:.':_..... . '., . . ; -:;" ,.~n~ .·.,. ..;·a.tI~e s~ .. :..i:':"'",","Der.ver,·· Color ..do· .' ',".' ':'" .' '. " .':I......_'. ·:-··.--··-·-····· .. __ ····_··.c:;"iL::;"i·~i&~~-···········.·-.:- _- -I I·· ~ .. ; - . ~f~ •.'r O:::'~r! to 1,.s,C('all C'r·ar.~· or t1-.~In.nd'! de!"C'ri~Jt-din it.em 2 t".:l.t"ai(' an:~:\I~ ..(('Irl~a·".f1".1f"!1uant aid ·.'u.t~t\0 ~tenn!-anet pro- .'. ""i~:t:":.~c.f1t:'o:-a('t or r L'!r'~l\iY 2.i. 1~~O·. 41 ~tat.-43';'. 30 t·.~.c.~~r,I~ I .6,.(U;.I.:•• -:..... :.~.t'U:I:.:lrttr rd"TrCfl t.,a.';1~.~ aU.rulr\. \()all rca.,.-Qn· '. 'a!,;~ :'('~ :ia·:r:.i.!' ,:.( thl;' ~'"C'r(·ta:"y or tbe ILt(:rior DOWor 1.ert:aher i:.~·_'rC'e,,,~.c:.:.~:'::.c<.o::.~b~"'·L.t ,,;jIb aD~'upr~!oS anoj 6PC:Cificpro'H::l00!l '. ."!.('rl'!:r .......:. '..~.8,r(' n.:l·::!t-a ;':!":"!~~('rtVr.. . . .. .::,.' .;.,I ,! ; ~rlal ~o..:'i.L~.=.~': __ .'.... }.G-2..'/-1?JteC'f:lJ,rt. o.•.•.•.•.•••••...••.• .'"• #0 ••• ..; ., ~I I. .'. 2. Land reqaf05led ..~.'.. 3.L'And includt-d In lean -.' iIitII " :-. ,:.! !i ! Iri ".:,....• .". I .... ~ '.::, .. ··~oi.a!A~~·~~_:?-'!.~ :_.:.A~I Tow AI : ::A."",.ilI>olAl n"lain.d L.~ _ :.- ".'::' ..I;! ..;. ... ~ ::."'0' _-'-.,..- __ -'-_--.:. __ --.:. -'-'-'- __..:'!.. . ..:.-----'---....:..:.--,.----------------------- :.: 4,'.\m'O'JOI ,.mitt.d: Piliog Ir:e !IO.R.~lal s...J.2Q •.OQ.:..TotAI·s..JJP .•.O:<L. ·';.'5.rr.~~nig:;f'd «.rtifi~~ ~ rouo~ ..s: ......'X :...:.\0)Offeror ~a CItizen of tbe l DIl~d ~lAt.es.~atl\·e born •••......•••• _ ••_~lltural:z('d ••.••.•••.• __ ••••• Corpontlon or other lC'gal '.' .en tity (~p<.·dl.r what kind): ..••••• _ ...•••~.-•••-•....•••••••. ~~; ~~:.•••_•..•.•.•••......•• ~.:.....•.. ~ ~.__..•...•.•••••.': (b~O:::'t'ror'! ;ntoC'l":'HsdiN'('t a:"ld i;:ll~.irecl boil &nd s:a....lco....~ and a;...?li('atior.! or CI~cT"! ~Lf'rdor ir.tludiTlp;this ofrf"r in the Mme StAte dt):.t)~~"C'~d 15.360 C'~~rg~ab~e llr~.(c)Offeror &CcepUi &5 a part or ttL'! l':'a.~.;IO t'1".(' ntcnt tlpplitabl('. t!":.('Cotipulatioo!J pro\'ided '.:.. ·.ior i~-1.3CFR 191.6.~a;Oe'eror i.!'21 years or age or o"·er (or'if 'a corporation l?r Ot~l('r lef::a1t-ntity.is duly qUAlifit-d L!abo"'n by ":" . Bta:emC'D~5 mace or :-efemod to herein'.ee)Orr~ror ha.s described a:1 ~un·e~·cd landE b~.-le~al s·;tx!i\"Ctiotl5 and utl5u1\·eyed la.nd8 b1 .. = .mete!' .nd bounw, and ft:nlcr Sta~e3 lhat lhcre arc no &Cttl~", on uM".In·ey~d lar.ds dc!C'ribcd herein.. ' I ...,".I '· "6 ..oeeror's !:~r:ature to t!:oi! ofJ'n !bal1 8,l!o c:on!titute offeror'! 5i~at".lre to, And llC"C'<'jltanC"f'of.tbi! lc&.e.t'and any amendment lh~reto :.,.. ~ Itl:.at r:.a,. C:O\'n any land dC'5C'ribed in ttJs oller open to lea.se apptic.ation at tbe tioot- the offer W~filed bUl omitted rrom tbis leL.~ .:::.. .Jtor an~· re"-!-on.. c"r sil!-"nature to. or aC'ceptanoe 0(,&.Dy &Cparate 1~.!LSe ror suC'h land. Tb~ o(J('ror rur~bcr "~~!1 that.(0)t.bUs · ~,.;. ;'offn cADr.Ot be w-itbdrawo, eitht-r in whole or in pArt, uol~ tbe witbdra'lral i!reeci\"ed by the land office berore this le.a.se,,,o &ID~Dd ... ..... : .. .' 'ment to this le&.!e. or"&' separate lea....-.e. wbicbe\·er ("O\·e1"9 tbe land dc~crihed in ·tbe witbdra.waJ.hAs heeD !;igned iD bebalf of lhe I ['oited State!, aDd (b)tbis off~r &D.d.lea.se ahalJ apply only to IAod,· nol wit bin a. known I;;eologic atrueture or a produciD.l oil or g... field at tbe time tbe oBer i3 filed.' .".:. .' '.I .. I''. 7.It is hereb~ cfrti5~d tbal tbe atatemeDta m ..de berein are trot-, eamplele ud correct to tbe best of offeror'. knowledge aad belief,aDd : ' a.re made in good f<h. '" .....'.L',".,.... . n.l~f( ~::-.l~.:,;~rr.i:~f'iI'~'::~:t~c;~.,rti~I.1rc.·r~.·,·."ii:'i.,~.lrd·~;tic:D:and (' n~lnl ,II of 'ht rr'",,"l~~n.,tI,"""'a~(,of ,t-.,'d,'t',·1 ~llin ,.~t~it eorr" .. , 1,\"lr[TSESS WHEREOf ..OlIe",;bas duly executed Ibis i",lrumeDt Ibis _,2J,1:dL ..:dar 01 ...J.~.f __105..3..- ". .. .1 ••••••• " ..'.''. .•. ..... ". -::::-Y . '..l WIT~J:!.."'['I . .:. '.: :, .' .,,: . .: .~:~JtJ.:.:,.'::i:0d. :._ :.: .. ~.:: :::~ :~:....... _:~: ::,'~.::"" _ _,.~ .. :" :':;':'iIk--':.'~~:u••••#."")~~'Z.~ " ...(~''''''''''l.. ::.;:.·.:.,·;1.,...;<§J..., ....~..;;,~i · ·_:·f r ··.. ....·........ ··· .. _ .. ···-;- ..iL;;;N·;i~;~·i ..··..·_..··......_-:.~~· ... ~··:j._~.1·'./~:.:~...'.:;!~:r. : ;::J.:::..::.~.:.':: ... :: : ~'. ,....... '.' :' /•.~ ... :..:.;.." ',~' ·~I:···.:~.";c' ,4 ',.:~ •. :':::"·_·· ..•.. ••·••••••• ... ~..·(A·ik;;~j:i~:rUt)·· ..... ·:...··.... ···...., '. '1-'" __,r - .... ...I.v.... •I -. •.... TI.:lJ lcl\...CC {or l1".e lao&.desC'ribeod I~Item 3 abo\'e la he~by'L't!ut-d. IfUbjloC'tto the pro\·l!ionl! or tht' (\trf'r and on the ftyene side he~r. ··~:: .. :L::~·:;:~:~·~~\~.~.;~:.·,:'o~ :.~:~:.~.TCrr"~': Dr.ED' STn,~~;ft~:k:!~f:& • :..... _•••(toIIlUDI O~C'CI'f)0 F. "'"n .' .., ~ •·.... . J:'''l ]".--,,'"' ,....l.t;.> .,' ,.. Ef!~('t!\·~ d:'l.~~1)(lea.s-e•••••~••..."':1;~l.J. _. __ .-~;:i·:tt ···'-' _·····-·:r.;.L;r·······- I':·.·.:·-:::~8Co·s. ('.ue.1001 maku It B 'rrlme (or an,.' penon kno~lnE:l,. and wlllfull1 to makt t~an~ D~pulmf'nt' or arenc-, or tbe l'nll~' .~.1'~~~~'~~.'1~~I.~~ .• fi~lh.i,~~~.or ~raa,d.ulr~l alalrmfnl. or re~reU'nt ..tionll u I~ In1 mlt~er ...it~ID lu Jurisdiction.. /')/ ~. ,'.•• • •••• ,...••• _ •• _ .' ••• •• _ •••• _ .... ~ _ •• 1.. •••• , "",.","'''!•• ",t hit ..l!.,..1 hTT:l.In '-"X\td LI1f'1t .. lib U..pro,,:aIoDi 01 cJ erR:e!;~a). ;.....................-__-._..~ ~_.._.._ _-_.,. ,.. '.. i -.~./.. '..- No. 91 ,I..n.-R ..nroduud by bradrord_P-n;n:nN"u,4,a113t1 , J'ourth Edition . (~el",t.IW) ~.'Ul'. Cu.,IS24·-46 FlOlllSt., Denvtr, Colo. -.. UNITED STATES •/t~ ~~r:t~Pi~~~·No. 42-RM J.~..... ~ARTMENT OF THE INTERIOR BUREAU OF LAND MANAGEMENT G....;.;.A~~. 0tIi ce .........•...............'Ffc:. CD ..?-?>(! Se"al No.'un1U7;).OFFER TO LEASE AND LEASE FOR OIL AND GAS (Sec. 17 Noncompetitive 5-Year Public Domain Lease)Receipt No . THIS OFFER WILL BE REJECTED AND RETURNED TO THE OFFEROR AND WILL AFFORD THE OFFEROR NO PRIORITY U·IT IS NOT PROPERLY FILLED IN AND EXECUTED OR IF IT IS NOT ACCOMPANIED BY THE REQUIRED DOCUMENTS OR PAYMENTS. SEE ITEM 9 OF GENERAL INSTRUCTIONS ,(Fill in on a typewriter or print pl.lolr In Ink and..~IID In Ink) .~:...'.'; 11..James P.SloBS .1:>-I••• -•••-~----- ••~~---.•••• ----- •. -(NameY _••----- ---. ---- ••• --.-- ••-. ~~~-. /", 506 ColDlDOnHllal th I:lldg..'<i -,'4-•• -•• --- •• _..•• -- •• -•••• ---iNliDitiei··kne:rsiiM"tY----·-·-· -------.- .. ------,r~~• ~'.. r\,Denver. 2. C.olorado i..;". .~'.:YiL---·-·---·····--·-·---------iCltyand·Si.itar------------ ..-----..-:.:~~ ...?-~: .. ~:."\.:. ':.00 . J:iereby offers to le8J5eall or any of the lande deecribed in item 2 that are avaiial:llQ..ft)~:'~·:'j:)unmant and subject. t.o the terms and pro- yi:dons of the act of February 25,1920 (41 St~t. 437, 30 U. 8. C. sec. 181), as amended, herei~aft~r referred to as the act, and to all reason- able .reguls:.tions of the Secretary of the InterIOr now or hereafter In force, wben not in'c6q'sis,teir(:w~th any ell:preas nnd epecific provisionsherem, which are made a part hereof."_": ~'.,(..!;" :.:.~., ,~. ~·i//.:·~~",;,0\;' . "".-"'}·Pt,Bj,SB NOTIJ'T TH E 'SIGNING OPFICER or j,NT CUj,NGE or ....DDRESS. 3. Land IDeluded In leasef2.Land reQneatedi----------------Ii Color~Garfieldi -.---. ---.- ..·--(iii.~·te)·---·-·· ---.-- ---- -.-----·(c~~ij)---·· .----- --..----. : T.l ..~~~ .• R...•?~._.~'!~.I _..§t.h_.__ .._.Meridian COLORADO (Not("be IIUd 1D bl OJr_) GARFIELD I II,I I Total Area ••.?1.~Q ·Ac.... I I seotion 301 NWtNi~~slswi. sWlsEtI,Seotion 311 Si~NW ,WiNE!.SEfNE! Seotion 321 S~, S ~ Section 331 sl, s?tfil Section 341 SW!'Sj-NWt.NEtNWt,swtsEtSection 351's~ Seotion 361 S~ I 4.Amount remitted: Filing fee $10,Renlal $..~.~~~.?~.~Total $.....~~.~~~.!~')I ''1'f f6. Undersigned certifies as follows:y \ (0)Offeror ~ a citizen. of t.he United State!. Nati e born .._ ~~_._ _ Naturalized _ Corporation or other legal entity (,pecUy what kind):.;'(b)-Off~·;~;,~-i~~;;~t~-di~~t:-~~d·j~di-~~i-i~-~ij·~~'ig~i~;~·;-~;;-;i;p-pil~~ti~~;-~-;·~fi~~·i·b~-;f;;;-i~~l~di~gth;·~ii~;-i~·th~·~·~~·~-at;t; do not exceed 15,360 chargeable acres.(c)Offerbr accepts as a part of this lease. to the extent applicable, the stipulations provided lor in 43 qfR 191.6.(d)Offeror is 21 years o{age.or over tor il a corporation or other legal entity, is duly qnalified as shown by statements'made or referred to hereIn),(e)Offeror hu dcscribed aU surveyed landl!l by legallllubdivisions and unsurveyed lands by metes and bounds, and further statee that thete are nd.acttlcrs on uneurveyed lands described herein. 6. Offeror's signature to this offer shall also constitute offeror's eignature to, and acceptance of, thie lease and any amendment thereto that may cover any land described in this offer open to lease application at the time the offer was filed but omitted Irom this Jease for any reason, or signature to, or acceptance of, any separate lease lor such land. The offeror further agrees that (0)this offer cannot be withdrawn, either in whole or in part, unless the withdrawal is reccived by the land office before this lenso, an amend. ment to tille lease, or a separate lease, whichever covers the land described in the withdrawal, has been' signed in behalf of the United Stales, and (b)this offer and lease ehaH apply only to lands not within a known geologio struel.ure of a producing oil or gas field at t.he time the offer is filed. 7.It Is here'hy cert.ified that the statemente made herein are true, complete and correct to the best 01 offeror'a knowledge and lJelief, and are made in good faith. Thie form is submittcd in lieu of official Form 4-1158, fourth edition, Dnd contains all of the provisions thereof as of the dote of filing of this otter.21st·January, 1955 IN W;JI~NE8S,1 Wl1E~~OP.Offeror bac duly nccuted tbi. instrument Ibia day of 19 . II; ../1'.1 WITNEBSE8 '. ./1 .~~--..._.. ,Yl.r(,AI! '~'- ~/"~ (.,.(I .'" ..> ,_ _, ,.... .;:.~.:~.::~ ... ~., .... f.:tf···:~·,···~··iii;;~~~~·.;;~;i,-y1c.'/. ..f:l;.<:Ll:.:;....... ···.·..7.·~~~~.;ij.~~~~r::-:i;;;:-~;-. . P"t~;t.r,fa.(·,.:.'Lz<·~····"'·c9.qN;;;;;~;,·~;f£~i·"'··,"'~;·,;! ..,L- .,L.. ,."., ,/..... .ii,;;;U.;i;,;";;,~i :• -·· ..~···~ ,·_·_··(A·lioi,;;;:i":r~~e·· . Thl8 lease for ..he lands described in Item 3' above is hereby l88ued, subject to the provisions 'of the 'oil~r b'nt! o~ the revcrse eido horeof, .&~~~D~S!i!~~~':':~.E.~ ..~lf:..~~ R, LAND 0,::(,0: M/W 1 7 1955 -.. (Titfi,---' ----- -. ------... .- ------jiii.i.Or---···· .-- 18 U. S. C. see. ]001 makes It a crime Cor an7 person knowln,l,. and willfully to make to an,. Department or agency of the UnitedStates any Calse.dCUUODS 01'fraudulent statements or representations as to any matter withla Its Jurisdiction. Tbb form ma,.bo reproduClfld provldlld that tb,caplea uo llXBct reprodtlcUons ODODlllbellt of both aides oftb!lomclal Corm,ln aOCOrdll.DClI with t.he pro'tblonsof"3 CFR 111:1:.42 (a) . .I.'_'1~"QT." .' . 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",.~&.,j~W ":\1 • "1m!" . ,35: : 36 : 31---1--, i"V.': - .,iii '(":i :i :I I,.. +.. -'-'" .... '::~i;ill~'flnl"Ii'\ .~.','r~.K#~l~fi.ii?if'~i~-"T'"-"'f'-" I::I! ,I " :, '..:',I I, 1--I---"-4-'---'--+!------~I_··-··--.;.j---·-T-·j·········-r---t_·_--_·r_·_--~····j··-r--i..-.··-·(··3·····[········j..···2 •....f·..· ..-.·····li_-_-·_·'i-i-_··_-·~I_·-··-T!_1---·-6'..--··..,~t~··- ..-l-i til;!I , ,i i :I j'....1"'.--'-l"··-·t-·--t····j"'"·····r-··· -...j_ ....""j-"" ·....r····-"T-'""r" ....-....····t..·- ··..t.... -....!.. -. c...._·--/:···1········-·1···-· ..-.++J-.--.····f··..L,····j·····-···1··········1·-·- -_..j ·····f·..· ..-.1,--.l" ._.-""'~I--~-+--!Ii::r :! :!I I I36I,'31, ,32,,33,, ..34! ,35,I 36---e,'--~1--l.,-31 I' , . I .I I I I •I, • I I I I",•I "I I I I . 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"I'I I : : I • ,I: • I : :I I :::I : : , Lease 1f (!/OD75 23'-17.87I"\cyes -----------------------------•• \_r-'. -,..... 14./ _ ;. ·o·<_·-Jl:~~,k" 233 ."'" -"fage 3,5 2 .,-"",..,~.....,-.......... \ .\,', . Recor" -~pril 21, 1955 at 9.35 j... Reoep~10l!11:19332 Ohas; S. Keegax!,rieoord er ,,Font1. 4.-213(December 1949)Co -23f' Office Denver, ColoradoUNITED STATES DEPARTMENT OF THE INTERIOR BUREAU OF LAND MANAGEMENT Serial r.o1 orado 01523 HO BOIjU.lIOlICOJIPETITIVE LEASE OF OIL AND-GAS LANDS UNDER THE ACT OF FEBRUARY 25, ·1920, AS AMENDED THIS INDENTURE OF LEASE, entered int~, in triplicate, as of the First day of JUN 1951 by and between the UNITED STATES OF AMERICA, through Bur'3au of Land Management, party of the fi'rstpart, and ~oe f.~uhan. the 1l3l Palaer Avenue.m.-ood Springs. Colorado. party of the second part, hereinafter called the lessee, under, pursuant, and subject to the terms and provisions of the'act of February 25, 1920 (41 Stat.437), as amended, hereinafter referred to as the act, and to all reasonable regulations of ',heSecretary of the Interior now or hereafter in force when not inconsistent with any express and specific provisions herein, which are made a part hereof, WITNESSETH:,'\SECTION 1.Rights of Lessee.-That the lessor, in consideration of rents and royalties to be paid, and the conditions and covenants to be observed as herein set \ forth, does hereby grant and lease to the lessee the exclusive right and privilege \. to drill for, mine, extract, remove, and dispose of all the oil and gas deposits \\ excl3pthelium gas in or under the following-described tracts of land situated in 1# , 11#</1/ • 7 8.R 95 w.,6th P•••• Cclorado... se&.·191 B!~ . Seo.201 ~,J!ft8!¢Sec.211 _.~ Seo.221 Lots 2.3.4.5~f9,1O.1l Seo.Z7,Lota2,4,5.l:l!'tHWi.~SlI'f,SF¢S1fi.S!REfswt See.281 Lota 1,2,'B!.SiSeo.29;All Seo.301 Lot 3.SEfREf x x x x Garfield County x x containing 2531.72 acres, More or less, together with the right to construct and maintain thereupon all works,Xbuildings, plants, waterways, roads, telegraph or telilphone lines, pipe lines, reservoirs, t'anks,pumping stations, or other struc- tur,~s necessary to the full enjoyment thereof, for a period of 5 years, and so long the:reafter as oil or gas is produced in paying quantities; subject to any unit agrl3ement heretofore or hereafter approved by the Secretary of th,eInterior, the pro'lisions of said agreement to govern the lands SUbject thereto where inconsisten- cies with the terms of this lease occur • SEC. 2. In consideration of the foregoing, the lessee hereby agrees: (a) Bonds.-(l) To 'maintain any bond furnished by the lessee as a condition for the issuance of this lease. (2) If the lease is issued noncompetitively, to ... furni sh a bond in a sum double the amount of the $1 per acre annual rental, but n'6t -' lesB than $1,000 nor more than $5,000,upon the inolusion of any part of the leased land within the geologic structure of a producing oil or gas field.(3)To furnish prior to beginning of drilling operations and maintain at all times thereafter as required by the lessor a bond in the penal- sum of $5,000 with approved corporate surllty, or with deposit of United States bonds as surety therefor, conditioned upon compliance with the terms of this lease, unless a'bond in that amount is already being maintained,or unless such a bond furnished by an approved operator of the : lea:18 is accepted.~ -,(1)I,i,..-...,~.'.,.,..:~ ipI-., .::. •••• ••liook ;,tj:3 Pnl~lI353 Until a general loose bond is filed d noncompetitive lossco will bo ruquil'od to furnish nnd maintain a bond in tho pennl sum of not less than $1,000 in those cases in which 1Ibond is required by low for the protection of the ownurs of surfaco rights. In all othor cases whcro a bond is not othorwiso requirod, a $1,000 bond 'must be filed for compliance with tho loase obligations not less than 90 days before the auo dato of the next unpaid annulll rontlll, but this requirement may be succes- sively dispensed with by payment of each successive annual rental not less than 90 days prior to its due date. (b) Cooporntivo or unit plon.--Within 30 days of demand, or if the land is within an approved unit plan, in the event such a plan is terminated prior to the expiration of this lease, within 30 days of demand made thereafter, to subscribe to and to operate under such reasenable cooperative or unit plan for the development and operation of the area, field, or pool, or part thereof, embracing the lands included herein as the Secretary of the Interior may determine to be practicable and necessary or advisable, which plan shall adequately protect the rights of all parties in interest, inclUding the United States. (c) Wells.--(l) To drill and produce all wells necessary to protect the leased land from drainage by wells on lands not the property of the lessor or lands of the United States leased at a lower royalty rate, or in lieu of any part of such drilling and production, with the consent of the Director of the Geological Survey, to compensate the lessor in full each month for the estimated loss of royalty through drainage in the amount determined under instructions of said Secretary; (2) at the election of the lessee, to drill and produce other wells in conformity with any system of well spacing or production allotments affecting the field or area in which the leased lands are situated, which is authorized and sanctioned by appli- cable law or by the Secretary of the Interior; and (3) promptly after due notice in writing to drill and produce such other wells as the Secretary of the Interior may require to insure diligence in the development'and operation of the property. (d) Rentals and royalties.--(l) To pay the rentals and royalties setout in the rental and royalty schedule attached hereto and made a part hereof. (2) It is expressly agreed that the Secretary of the Interior may establish reasonable minimum values for purposes of computing royalty on any or all oil, gas, natural gasoline, and other products obtained from gas; due consideration being given to the highest price paid for a part or for a majority of production of like quality in the same field, to the price received by the lessee, to posted prices and to ,other relevant matters and, whenever appropriate, after notice and opportuni ty to be heard.' (3) When paid in value, such royalties on production shall be due and payable monthly on the last day of the calendar month next following the calendar month in wbich produced. Yfuenpaid in amount of production, such royalty products shall be delivered in merchantable condition on the premises where produced without cost to lessor, unless otherwise agreed to by the parties hereto, at such times and in such tanks provided by the lessee as reasonably may be required by the lessor, but in no case shall the lessee be required to hold such royalty oil or other products in storage beyond the last day of the calendar month next following the calendar month in which produced. The lessee shall not be responsible or held liable for the loss or destruction of royalty oil or other products in storage from causes over which he has no control. (4) Royalties shall be subject to reduction on the entire leasehold or on any portion thereof segregated for royalty purposes if the Secretary of the Interior finds that the lease cannot be successfully operated upon the royalties fixed herein, or that such action will encourage the greatest ultimate reeovery of oil or gas or promote conservation. (0)Contracts for dispoS.31 of products.--Not to sell or otherwise dispose of oil, gas, natural gasoline, and other prod'ucts of the lease except in accordance with a contract or other arrangcment first approved by the Director of the Geologi- cal Surveyor his representative, such approval to be subject to review by the Secrotary of tho Interior but to be effective unless and until revoked by the Secre- tary or the approving officer, and to file with such officer all contraets or full , information as to other arrangements for such sales. - 2 - •• Book 2'33 <"al;"354 4-213 (December 1949) (f) Statem"nts, plats, and reports.--At such times and in such form as the lessor may prescribe, to furnish detailed statements showing the amounts and quality of ,,11 products removed and sold from the lease, the proceeds therefrom, and the amounts used for production purposes or unavoidably lost; a plat showing development wor): and improvements on the leased lands and a report with respect to stockholders, investment, depreciation, and costs. (s)Well rccords.--To keep a daily drilling record, a log, and complete information on all well surveys and tests in form acceptable to or prescribed by the les~lor of all wells drilled on the leased lands, and an acceptable record of all sub~;urface investigations affecting said lands, and to furnish them, or copies thereof to the lessor when required. (h) Inspeetion.--To keep open at all reasonable times for the inspection of any dull' authorized offieer of the Department, the leased premises and all wells, impl'ovements,machinery, and fixtures thereon and all books,accounts, maps,and records relative to operations and surveys or investigations on the leased lands or undor the lease. (i) Pavments.--Unless otherwise directed by the Secretary of thc Interior, to make rental, royalty, or other payments to the lessor, to the order of the Treasurer of the United States, such payments to be tendered to the manager of the district land office in the district in which the lands are located or to the Director of the Bureau of Land Management if there is no district land office in the State in which the lands are located. (j)Diligence--Prevention of waste--Health and safety of workmen.--To exercise reasonable diligence in drilling and producing the wells herein provided for unless con:,ent to suspend operations temporarily is granted by the lessor; to carryon all operations in accordance with approved methods and practice as provided in the opelcating regulations, having due regard for the prevention of waste of oil or gas or damage to deposits or formations containing oil, gas, or water or to coal mea:mres or other mineral deposits, for conservation of gas energy, for the preser- vat:lon and conservation of the property for future productive operations, and for the health and safety of workmen and employees; to plug properly and effectively all wells before abandoning the same: to carry out at expense of the lessee all reason- able orders of the lessor relative to the matters in this paragraph, and that on failure of the lessee so to do the lessor shall have the right to enter on the property and to accomplish the purpose of such orders at the lessee's cost: Provided, that the lessee shall not be held responsible for delays or casualties oocasioned by causes beyond lessee's control. - (k) Taxes and wages--Freedom of purchase.--To pay when due, all taxes law- fully assessed and levied under the laws of the State or the United States upon improvements, oil, and gas produced from the lands hereunder, or other rights, property, or assets of the lessee; to accord all workmen and employees complete freedom of purchase, and to pay all wages due workmen and employees at least twice each month in the lawful money of the United States. (1) Nondiscrimination.--Not to discriminate against any employee or applicant for employment because of race, creed, color, or national origin, and to require an identical provision to be included in all subcontracts. (m) Assignment of oil and gas lease or interest therein.--To file within 90 days from the date of final execution any instrument of transfer made of this lease, or any interest therein, including assignments of record title, working or royalty interests, operating agreements and subleases for approval, such instrument to take effect upon its final approval by the Director, Bureau of Land Management, as of the first day of the lease month following the date of filing in the proper land office.~ (n) Pipe lines to purchase or convey at reasonable rates and without discrim- ina~.--If owner, or operator, or owner of a controlling interest in any pipe line or of any company operating the same which may be operated accessible to the oil or gas derived from lands under this lease, to accept and convey and, if a purchaser of such products, to purchase at reasonable rates and without discrimination the oil or gas of the Government or of any citizen or company not the owner of any pipe line, - 3 - Doole ~'1) l'''g~355 oporoting a lonno or purchnning or soIling l,roductn undor tho provinionn of the act. • •Jloole2'1) '""t;O )55 oil, gun, naturnl Bn~oline,or othor (0) Resorved deposits.--To comply with all stntutory roquirements nnd regula- tions thoreundor, if tho londn ombrncod horein havo been or nhall hereafter bo dispo'ned of undor tho lawn roserving to the Unitod Statos the deposits of oil and gas thorein, subjoct to nuch conditions as are or may heroaftor be provided by the laws reserving such oil or gas. (p) Reserved or seeroBAted lands.--If any of the land included in this lease is embraced in a reservation or segregated for any particular purpose, to conduct (,perations thoreunder in conformity with such roquirements as may be mado by the Director, Bureau of Land Management, for the protection and use of the land for the purpose for which it was reserved or segregated, so far as may be consistent with the use of the land for the purpose of this lease, which latter shall be regarded as the dominant use unless otherwise provided herein or separately stipUlated. (q) Overriding royalties.--To limit the obligation to pay overriding royalties or payments out of production in excess of 5 percent to periods during which the average production per woll per day is more than 15 barrels on an entire leasehold or Bny part of the area thereof or any zone segregated for the computation of royalties. (r) Deliver premises in cases of forfeitu~e.--To deliver up the premises leased, with all permanent improvements thereon, in good order and condition in case of forfeiture of this lease; but this shall not be construed to prevent the removal, 'Blteration, or renewal of eqUipment and improvements in the ordinary course of operations. SEC.3.The lessor expressly reserves: (a) Rights reserved Easements and rights-of-way.--The right to permit for joint or several use easements or rights-of-way, including easements in tunnels upon, through, or in tho lands leased, occupied, or used as may be necessary or appropriate to the working of the same or of other lands containing the deposits described in the act, and the treatment and shipment of products thereof by or under authority of the Government, its lessees or permittees, and for other public purposes. (b) Disposition of surface.--The right to lease, sell, or otherwise dispose of the surface of any of the lands embraced within this lease which are owned by the United States under existing law or laws hereafter enacted, insofar as said surface is not necessary for the use of the lessee in the extraction and removal of the oil and gas therein. (c) Monopoly and fair prices.--Full power and authority to promulgate and enforce all orders necessary to insure the sale of the production of the leased lands to the United States and to the public at reasonable prices, to protect the i,nterests of the United States, to prevent monopoly, and to safeguard the public welfare. (d) Helium.-'-Pursuant to section 1 of the act, and section 1 of the act of March 3, 1927 (44 Stat.1387),as amended, the ownership and the right to extract h,~lium from all gas produced under this lense, subject to such rules and regulations a5 shall be prescribed by the Secretary of the Interior. In case the lessor elects to take the helium the lessee shall deliver all gas containing same, or portion thereof desired, to the lessor at any point on the leased premises in the manner required by the lessor, for the extraction of the helium in such plant or reduction works for that purp03e as the lessor may provide, whereupon the residue shall be r,~turned to the lessee with no subst&ntial delay in the delivery of gas produced from t:~ewell to the purchaser thereof. The lessee shall not suffer a diminution of v:)lue of the gas from which the helium has been extracted, or loss otherwise for wJ1ichhe is not roasonably eompensated, save for the value of the helium ext~acted, T:10 lessor further reserves the right to crect I maintain, and operate any and all r'3GUctionworks and other equipment necessary for the extraction of helium on the prewi3es leased. (e) TakinG of ~oyn1ties.--All rights pur3uant to section 36 of the act, to toke royaltien in ameunt or in value of production, • ,.- 4 - •• .2:C'7.Book ;>fl3 4•• 213. Pag~356 (December 1949) tf) and lease Casing.-All rights pursuant to section 40 of the act to purchase casing or operate valuable water wells. (g) Fissionable materials.-Pursuant to the provisions of the act of August 1, 194H (Public Law 585, 79th Congress) all uranium, thorium, or other material which has been or may hereafter be determined to be peculiarly essential to the production of j'issionable materials, whether or not of commercial value, together with the right of the United States through its authorized agents or representatives at any tim" to enter upon the land and prospect for, mine and remove the same, making just compensation for any damage or injury occasioned thereby. SEC. 4. Drilling and producing restrictions.-It is covenanted and agreed that the rate of prospecting and developing and the quantity and rate of production from the lands covered by this lease shall be subject to control in the public interest by the Secretary of the Interior, and in the exercise of his judgment the Secretary may take into consideration, among other things, Federal laws, State laws, and regu- lattons issued thereunder, or lawful agreements among operators regulating either drilling or production, or both. After unitization, the Secretary of the Interior, or Elny person, committee, or State or Federal officer or agency ~o authorized in the unit. plan, may alter or modify from time to time, the rate of prospecting and devel- opment and the quantity and rate of production from the lands covered by this lease. SEC. 5. Surrender and termination of lease.-The lessee may surrender this lease or any legal subdivision thereof by filing in the proper land office a written relinquishment, in triplicate, which shall be effective as of the date of filing subject to the continued obligation of the lessee and his surety to make payment of all accrued rentals and royalties and to place all wells on the land to be relin- quished in condition for suspension or abandonment in accordance with the regulations and the terms of the lease, to be accompanied by a statement that all wages and moneys due and payable to the workmen employed on the land relinquished have been paid.i •.,.•" SEC. 6. Purchase of materials, etc., on termination of lease.-Upon the expi- ration of this lease, or the earlier termination thereof pursuant to the last pre- ceding section, the lessor or another lessee may, if the lessor shall so elect within 3 months from the termination of the lease, purchase all materials, tools, machinery, appliances, structures, and eqUipment placed in or upon the land by the lessee, and in use thereon as a necessary or useful part of an operating or produc- ing plant, on the payment to the lessee of such sum as may be fixed as a reasonable price therefor by a board of three appraisers, one of whom shall be chosen by the lessor, one by the lessee, and the other by the two so chosen; pending such election all equipment shall remain in normal position. If the lessor, or another lessee, shall not within 3 months elect to purchase all or any part of such materials, tools, machinery, appliances, structures, and equipment, the lessee shall have the right at any time, within a period of 90 days thereafter to remove from the premises all the material, tools, machinery, appliances, structures, and eqUipment which the lessor shall not have elected to purchase, save and except casing in wells and other equipment or apparatus necessary for the preservation of the well or wells. Any materials, tools, machinery, appliances, structures, and eqUipment, including casing in or out of wells on the leased lands, shall become the property of the lessor, on expiration of the period of 90 days above referred to or such extension thereof as may 'Je granted on account of adverse climatic conditions throughout said period. SEC, 7. Proceedings in case of default.-If the lessee shall not comply with any "f the provisions of the act or the regulations thereunder or make default in the performance or observance of any of the terms, covenants, and stipulations )). hereof and such default shall continue for a period of 30 days after service of written notice thereof by the lessor, the lease may be canceled by the Secretary of the Interior in accordance with section 31 of the act, as amended, and all mate- rial:i, tools, machinery, appli&nces, structures,equipDlent,and wells shall there- upon become the property of the lessor, except that if said lease covers lands known to contain valuable deposits of oil or gas, the lease may be canceled only by judic:ial proceedings in the manner provided in section 31 of the act; but this pro- vision shall not be construed to prevent the exercise by the lessor of any legal or eqUitable remedy which the lessor might otherwise have. A waiver of any partiCUlar - 5 - ••Book ?!lJ l'HI;~J57 \ cause ef forfeiture shall not prevent the cancellation aad forfeiture of this lease for any othor cause of forfeiture, or for tho same cause occurring at any other tlmo. SEC. 8. nolrs and Sllcce:;sor:1 In Interost.-It Is furthor covenanted and agreed elOt each ebligaUon hereund. " shall exten.l to nnd be binding upon, and every benefit horoof shall inure to, the heirs, executor5, administrators, successors. or assigns of the respective parties hereto. SEC. 9. Unlawful Interest.-It is also further agreed that no Member of, Or Delogote to, Congress, or Resident Commissioner, after his election or appointment, or either before or after he has qualified, and during his continuance In office, and that no officer, agent, or employee of the Department of the Interior, shall be admitted to any share or part in this lease or derive any benefit that may arise therefrom; and the provisions of section 3741 of the Revisod Statutes of the United States, and sections 431, 432,and 433,title 18,United States Codo, relating to contracts, enter, into and form a part of this lease so far as the same may be applicable. IN WITNESS WHEREOF: THE UNITED STATES OF AMERICA. , B~~ Acting Manager,Colorado Land Office 7?J25 ) {fAr E~~ ~~~fa.tu~s~ee. Lessee. - 6 - , •• " -;'/(J-:~ - -'.' Eor>k 28) Paf;p. 258 Schedule "A" RENTALS AND ROYALTIES Rentals--To pay the lessor in advance an the first day of the month 1:1 ·"hiGh the lease issues a rental at the following rates: (a) If the lands are wholly outside the known geologic structure of a pro- ducing oil or gas field: (1) For the first lease year, a rental of 50 cents per acre. (2) For the second and third lease years, no rental. (3) For the fourth and fifth years, 25 cents per acre. (4) For t~ sixth and each succeeding year, 50 cents per acre. (b) On leases wholly or partly within ,the geologic structure of a producing oil or ga~ field: (1). Beginning with the· first lease year after 30 days' notice that all or part of the .land is 'included in such a structure and for each year thereafter, prior to a discovery of oil or gas on the lands herein, $1 per acre. (2) On the lands committed to an approved cooperative or unit plan which includes a well capable of producing oil or gas and contains a general provision for allocation of production, for the lands not within the par~icipating area an annual rental of 50 cents per acre for the first and each succeeding lease year following discovery. Minimum royalty-To pay the lessor in lieu of rental at the expiration of each lease year after discovery a minimum royalty of $1 per acre or, if there is production, the difference between the actual royalty paid during the year and the .prescribed minimum royalty ot $1 per acre, provided that cn unitized leases, the, minimum royalty shall be payable only on the participating acreage. Royalty on production--To pay the lessor 12t per cent royalty on the production removed or sold from the leased lands. The average production per well per day for oil and for gas shall be deter- nined pursuant to 3Q CFR, Part 221, "Oil and Gas Operating Regulations."·r ' In determining the amount or value of gas and liqUid products prod~~d, the",amount or value shall be net after an allowance for the cost of manufacture. '. The. allowance for cost of manufacture may exceed two-thirds of the amount or value of-any product only on approval by the Secretary of the Interior. 189332 • •• 7~o ii, Recorder L 11,:•; 10·1'11 · ~ JHC-·7!:002-855-C OIL AND GAS LEASE }.Cf-:f-'E.\!P.XT, .01,.,1~ "n'I ,r·• ~" ,,., __ ·--·-']~UA.rJ-_21. _______ ,,,51--b1 ar.! Le\"'~•"··------------ -__ r.~~11!:31-~av.l_}!D~.g.a _.r.i041or"'-tian,.._8, __ ,corporo t -i op ,_o.!. tl'll i]h 1 ngton..,--n .. c. _______________ - r~, ~-·-"' :h• !.•.,t ,.,.;-, h,·,,·in• r1•r nl .,1 1~ ... -. . .,.·ht<htr "'" ,.,, "'"r~, a•\<l _ .S .• R--1.e~l t+-nn, --124--..P ... at:te.J::it01:1-Bldg 1 ; D.:errn:::'-2 1 .. Cnl.Dz'-'.l.d.o.. _______ I'~''' <•( lh<' ,,.,·r.n·1 ;1~••-hHtJOt•f•~r ,."•;,.,\ l~s'~~- Wl.TJ'~:~S~Tfl. Tri.1 tho •~"1 \•,-• r. (,,, "'"' >n c~n.1ri~i·Klrnn .,f ___ o_~ _ .. .:!-_ _:'-1_~:~1.o~ ___ -:-___ -::: ____ -__ -=-----DOLL>.l'LS r~.,~ '" hnn~ :-~1d 1·Ht1;:it n/ ·~ lit~h " r.u~o-. o.~kn"wlttiicd. 0 .,d ": 11,. ,0 ,~n~n1.• nn,l ~ir·~~man~l h~•.,n:i.ltrr c .. wtain•d nn 1he P•rt ol l~.oH-to b.., p,.id. \<~pl ~nt\ p~rlnrm.rl, h,.., ~'HL' .. ~J. <J,•.,'lttd, kaHd onrl ier .. c.•! t-. \ht., pr .. ~"nt. <l<.•~I !j'.r~"!. <!r.m"~· \on• and h•t 1.1n\O utd iu•~<. (,., lht 10lt lnd only ?<HPC•H ol mLn- \,,:< and o"'~'~t•n{ for oir an~ iu. >he\ t~,.,,," \'"'' line• sru b1.1ll<t1r.!l' un>.~. ~··"'" 1t~liQn• in,J Hn-'cture; thu«in l~ Drvdut~. nvo .nd t~l<.• oua .of uiJ 1•c·."1~n• a'! th~: ~•rt•in t~.-1 of l~nd '·~~:hor with ~n~ r~v~ro\onaq· r;1 ti-. \hOJ•ln, iitu•l•d 1,, lh~ (,.un\)' or___G_arfield <lr...,nbrot ~· {P!I~ .... to.w,1 LotB One (1), Tuo (2), 11.nd '!".>roe Uh 2Ast R~lf {Z}) of 14.eot Hal! (WJt)J aad W••t full! Ml cf E;o."t [fall {E!) of Section Milrnta•n (19); L-0to Fo1.T (h), 11.,.,., (5), s~v0n (7) a.nd E~t ( 8) J SDutheMt Qu=t"r (SE~) of lfortJ""""t (l;J.<\rl.aT (lNt h Sonth!f~•t Qu.ort<lr (Sri{) of tu. llor'-J:io0c<ot Qv.>.rl8r (NE'.;); Bl'.d llor'the•~t Qto:i.r·t•r (lIBt) of tha Sontll'ru•t Quarter. (sut) ~! 5'1><,tio;o. 'fhir'oy (30_1 To,rnohlp S~nn ('/) South, R""<l• Nin•ty-f1"'1 (95) W•ot of t:Oa Sixth . P'r'iJ.-;..1~ i p..<11 ?~?er id ia.. 't\ ; ..... , ..... ~ __ U;\,lc_ __ ~•·n<I ~cnt1Lnini------"'/l J •~Ji •ti·•• It I~ ~-T~ q,.t ihU l-•hall r.n>,.!n 1.,., ful\ fort• tor• t•rm .,f ____ "T''""'~~(lQ ------'#n !rom thi• .;~ui. !lnd u l<•n• thtr..,./lH ·.._.ell or •"'•· or •ith10r ol \/urn, li prnduc...1 fr.o-m oaid land by th1 lu,~ or th•. pr,,.nii .. ~ •:-• b'i;>:I' d•v•loin.:1 (JT O'P""U!...d. l•t. Th~ \.,..,,.,, •h•I\ <\~live; l\> le .. ur "-' ro.J)'Alt>·. fr.,,. o! ec,.l inlo Lh< J)ip~ Ll'P lo wh.ch I··~-'"• ni&y C()r<n•tl ilo w•ll• thr ~!\U•\ _I{. p.rt cl •II u!I prn<jur.-.i u11rl u~..d !rnm the l••~•rl 1'nm1Hl. or at th_• i<>H•'• e<btion. ma)· ~ay to th• l<••"r for •CLC~. •.;.,rc,1·•l!y t~~ m•r~<I pr;ct for uil (Jf I•~• II••d• u•d t'nivi!r pU• ·~ihni-"nth< d,.,. t·~cf\ «ti u run •H1v tht 1.-'D~ lin• or rn~c •\,,r .. :.<e t"nkl. 1nd Th• 1..-.,..,, •hMll p~_1· M l•»oi· for g-"• proo\uc~I\ from ~l1)' oi_ w~ll ~nd 1.1••d by ih< luou r ... r th• m,.nu~•~tun rd i;-nolin" or 11ony oth•r produti "'' royal1f ll, ol th-t mH~~t ~~i;i. o( • .,,.:, i;-a• ~\ th• mo11th oi lh• w•ll: If ~l'•d 11:u I• •Vld by lh• le""°· th•n ~I rctt.lty •.;. -0( ll>• pc<o<tt<h or tho ol~ thor...ui -11t th• rno~lh of th; w~ll. ":n~ IHlu oh1lt O•Y l"""r o.o ;oyt.!ty •_-.. o= \h~ prooe•<l• frvm th• ul• n! ~u u ouch 11t th• mouth .;ir lh< w~l\ .,.-h.,~ i~I only " !o~nd •nd w~HT 1uth l'H ;, n~l ~oiJ or u....,_1, _l••n~ .h~lt p~,-oc tend~,· ~nnu~l;y •! :h~ tn~ ol uch rioi-!r pu11itl d~iric.lf ·~hkh •'-'ch ilU I• not •old "r uu.J u rcyalty, J.n t.mo11nt t<l"'"l 1.-:> th~ '1tl>.y i-•nt~I prov1d~d 1.~ th< nut ll.<'C'-"'rlic.K 011.rag-r.o.p~ n~r~of ... nd .,,~;\• uid rO)'l\!ty 1, •<l ~aid or 1,.tndor•d 1h\1 l~•:l.t ~h•il b• h•ld ..,, • produ~ln>r I-ts,.,. un~cr. th~ •l'·ov~ iHm P•U1rc~11k Ji~•·#,,(; 1.h~ \u><.,. to havt W•O _Ir~~ ~I ~har~• from •nY _rH .... 1: on th~ l~uod iirtmi.,.... for n.ovH •nd in•id~ li.lht.o in th• prlndp~I Jw•llr"~ h"Htt Oh ••irl l.><nd t,, .,..,.~;,,¥ "'" nw.n conn•ction• wLth lh~ .., .. 1:. th• 11,,_. o/ J1.1eh ii'~ l.'1 b..o d thf l...,..:.r'1 .nl• rl•ll U\d •1p.>n .... Wlor< th .. t d .. 1~ •h.,11 P•y or te"d" lo th" l..,.•or, or t" ti':~ l~~cr'i cn<ljt in Tla Fedtr..i.J Ln11d B11n"-of Wkhit!I., llt Wk\,J:a. Kan-... er ii.a •G<<.......,n, vki~k •l\>ll conti""• ,., th• d~po1i:ory r"1l-i.ro'iew ._,f ch,.n1:0 :n lh .. ''wnu•h~ cf ••id t-i.nd. th• o•~m 'll~.nnd:r=?:d E1a,~·6Ll00...=..._~. . DOLLAR$ . .-htrii oho.11 O])H•l~ u a rtnt•I &nJ c.-;1'H th~ prh!I,...~ of J•ferria1I the comm•n~~m~nt o/ & W•ll for twel~·~ mon1h• !r<>m ..,.;d Ju ... ln li!t~ ma.rnn "'"' """'' li:.O:~ J)~1·m•nt• or Un'len I;.~ c"mmtnc•m~"t of a "''•:\ m•y W l:irthn d~fHrod ror h\i:• ;>,,,;, .. -i. or tile ume 11uml~r or n-.u;,tlu ~ucc...ui~~ly. i\.ll au~h p&ymerii,.r <>r t•M',•~• r.I nnt.:.1 rn~:t b,-tn$''" hy ohul; Dr ~l'all nr 1.-... .,, <>r ;i.ny i.wi;tnn thu~.-,f. '"•il~il or ~eJivH"d on o,.-b-:fnre the r~ntal p,,y\n11 ~-"1 .. ;ihu dl~ec~ to J..,-.~:;r cc ~k.oi11n• O< \0 ~"-;r; d<;i~·•1\0ry nH.•~ Ar.<l il i.> undor>Lr>u<I 0-n•l "~'"""! thol th~ a,n1ldor0-ti<•~ (;r•t r'"1!it-ed ),,.·ein. th" d.:iwn po.yln .. nt, CC¥en r.ot only th~ prh·i:O'S'H 7;0,nt...,J l~ ti",., <l••~ .,..n,n uiJ I·r•'. r~.,,.1 ,. P"H•ble •~ o.~ur .. uid. b~: o.I""' the \0 ,...,'• upt(.)n of •:r:.t~nd;r,sr tk .. t t-•rlwd "'' .. roror1->-id. •n<l "'"1 1nd o.ll ot)H; dirl'i' con!>tT..:I. L:.~~c m~Y H o.r,y l!nle ~·~,-~le ""d d~ll~v,.-V> ;<"'•Or. ur ?i•C~ o/ ree<ir•L .._ r~l•••< Or Tt!t•U>"" ~""~nn_:i ,.ny oortinn or portion• d .1""' .i.00•• .:i~.,.cr!':>"<l ;>~.i-•nd <h*r~by •urun•J.r 1hi1 lu"'• K' 1<• ••1•h purti>'n or ;>o;ti<.>'1• in,1 b-< r~lin•d •·I ~11 obli:.-~tlo:>1 u l<>-tbo-<r.crot.il~ ""'"'"dH~, ,.nd th~,-~~{t.ar th~ n·nal• p-y;;bie ~.uunclor ih .. H b., nd .. ced in th~ prQport!~n Lh>< th~ '""'••II'• «>V••~tl h•r<HJn lo r..;11.1~..d by 01ld r•I•~~" or r•\.,,.,...,_ !;':\,~ .• Lil lh" J!,.,.1 w~ll drill .. J '"' lh• a:;,.,,,,~ J,.,.~it.-.rl l•ncl b• • ;ry h.olo, Lh,.n. •nd in l~~' t•ent. ,/ o. ,_..,..,,.~ ..,~u 1• n·d ""''""""'~"d gn , .. ;,1 1.,.d w•\hin t.,...1,,.. -~nthi Im.., liu •~p\nitk•o ~I th• l~l unlil ;«riv-d f<;r which '~"'-"I r.-.~ 'b .... r. ~·•td. '~'" lw",.,. •h•ll tHminst" ~~ lQ both 1.>Hti.,-.. unl•u th• i .. ·uh on l>T b.>~uu Jk• ~;pin•tio~ or ~;1;<1 tw•lv" nwn'.h• ,)i,.11 •~-•um~ the l'il'"'~N ot nnt•!> In the '"me t.ma"nt •nd in th~ nm• m•nner "" h~ninb.-/,,,,. pr0-,.·i<J,,...J_ ,:O,.nd ;1 i• "-Sr""' tl:i"l u;>ur. th• Uh1m;;nir.,. o( lhc P•l·m~nt ol r .. nl~:•. 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"'i>IH pr,,rh1r 1·d '-'"•&id l~nd f,.,-Ll; "P••Hi~,n th"""""· excc\•1 wate~ from w•\I• or pon<I~ ,,r \,,.,,~, Le••,_.. •h•I: )ny fc•r ,\nmnµ-~~ c .. n•·-ri \_,-,-it" <•>••TO\i1ir•-• 1h :<ri>''''"~ unr.-< ''' •ni•I land I."'~""" •"~:I l-,3,! lhe 1·i11h\ n: arn •irn<' (o •·em1•'< all ruid,;~"'" ~T>ri f,'~l\:rr• ~ia·:t•l nn "~''ri r•r«rr>i•:e,., in••l•l,'\lnll lh• r>>•f-it tr• rlraw anrl r~mu..e r"<i"!l. II thr ~l\l.le ,,r either p~rty ~utt~ i• tra"•f~rr~J. knd ih• pr.1·il<"<:e 1,/ tr¬e:-rin:,r in .,;hni• "'in n~r• i.<.n1,.e.-.IY ,,:)(,...,~.!. vr i( th~ ri~hl; h~·~·rn.ler· .,r .. ith'~r l>Hl'l h~rtto ~r~ v"""ri b)· d.,ant ''.r rlev>.i-.1. t!•~ c<i'>'<no.;it~ hor..,,t Dl>~ll •x•~nd •·! ~nd te hw<l•uir (>11 .1h~ """"· dev;~~".'-e<~.:uk"''-1<dmLn>«nt<;>r~. ;u1·~"""'-"~· or '"'"IQ'n~. hut no ohan~~ in Lhe n·..,~er•f-";i c,f •~i~ b•nd ,,, ,,( any rl;;hl n~r.1"·,.1~< •h~il b~ lHnoiin:i: u11 tn~ I~•~,.,. until ait.r 1 .... ~ h~• t-n 1-Jr,.uh,·d .,..,1)1 \ht· oriol•ai nc \l roMi{i.M COD!' 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'\ :~o--':L/~~ .. ·---··- ~t..sru=±.a.cy. __ .. 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Emergency Response Plan Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 EMERGENCY RESPONSE PLAN GRAND RIVE R GATHERING, LLC GARFIELD COUNTY OPE RATIONS GARFIELD COUNTY, COLORADO Prepared for: GRAND RIVER GATH ERING, LLC (GRG) Prepared by: O\oLSSON AS S OCIA T ES 826 21 % Road Grand Junction, Colorado 81505 TABLE OF CONTENTS 1 INTRODUCTION .............................................................................................................. 1 1.1 Purpose of the Emergency Response Plan ............................................................... 1 1.2 Legal Au thority ........................................................................................................... 1 1.3 Assumptions and Situations ....................................................................................... 1 1.4 Heal th and Safety Emergency Procedures Overview ................................................. 2 1.5 Plan Update and Revisions Procedures ..................................................................... 3 1.6 Plan Distribution ........................................................................................................ 3 2 PREVENTION .................................................................................................................. 4 2.1 General Prevention Policy ......................................................................................... 4 2.2 Fir e Preve ntion Poli cy ................................................................................................ 4 2.3 Fire Pre vention Activities ........................................................................................... 4 2.4 Fire Prevention Inspection and Maintenance ............................................................. 5 2 .5 Site Safety Inspe ctions .............................................................................................. 5 3 PREPAREDNESS ............................................................................................................ 6 3.1 Supplies and Equipment.. .......................................................................................... 6 3.2 Facility Security ......................................................................................................... 6 4 DETECTION AND NOTIFICATION PROCEDURES ......................................................... 7 4.1 Emergency Notification .............................................................................................. 7 4 .2 Emergency Alerting Procedures ................................................................................ 7 4.3 Evacuation and Personnel Accountability .................................................................. 7 5 INCIDENT HANDLING PROCEDURES ........................................................................... 8 5.1 Fires and Explosions ................................................................................................. 8 5.2 Hazardous Material Releases .................................................................................... 8 5.3 Hydrocarbon/Petroleum Spills ................................................................................. 1 O 5.4 Medical Emergency ................................................................................................. 1 O 5.5 Severe Weather and Natural Disasters .................................................................... 1 1 5.6 Bomb Threats .......................................................................................................... 11 5. 7 Transportation Accidents ......................................................................................... 11 5.8 Vandalism/Sabotage ................................................................................................ 12 6 OPERATIONS SHUTDOWN ........................................................................................... 13 6.1 Emergency Shutdown Policy ................................................................................... 13 7 TERMINATING THE EMERGENCY ............................................................................... 14 7 .1 Recovery of Operations ........................................................................................... 14 7.2 Documentation ........................................................................................................ 14 7.3 Damage Assessment. .............................................................................................. 14 7.4 Post-Emergen cy Activities ....................................................................................... 14 APPENDICES ....................................................................................................................... 15 Appendix I -GRAND RIVER GATHERING, LLC CONTACT/PERSONNEL LIST ............... 17 Appendi x 11 -EMERGENCY RESPONSE PLAN REVIEW RECORD ..................................... 18 Appendix Ill -OUTSIDE AGENCY EMERGENCY CONTACT LIST ....................................... 19 Appendix IV-CHRONOLOGICAL RECORD OF EMERGENCY ............................................ 21 Appendix V -SPILL RELEASE REPORT FORM ................................................................... 2 3 Appendix VI -BOMB THREAT CHECKLIST ...................................................................... 25 Appendix VII -ON SITE EMERGENCY RESPONSE EQUIPMENT ....................................... 27 Appendix VII -FACILITIES LOCATION MAP ........................................................................ 29 ii EMERGENCY RESPONSE PLAN 1 INTRODUCTION 1.1 Purpose of the Emergency Response Plan This Emergency Response Plan (ERP) is specific to oil and natural gas projects, owned and operated by Grand River Gathering , LLC (GRG). This document is designed to provide for the safety and welfare of project personnel, the community, the environment, and property by enabling a coordinated and efficient response by GRG personne l and their contractors in the event of an emergency. The overall strategic objectives in any emergency response will be as follows: maximize personnel and public safety; identify the source of the emergency, isolate the area, control the source; maximize protection of environmenta l, social, and economically sensitive areas; minimize long term impacts on wildlife; • minimize secondary environmental impacts from wastes; and assure appropriate response to the release of hazardous substances; notify appropriate public agencies; • identify evacuation routes and fire extinguishing equipment within the site plan; establish methods for reporting fires and other emergency events; establish and maintain adequate communication with governmental agencies (fire, police, public officials, etc.) and clarify their responsibilities; 1.2 Legal Authority The intent of this ERP is to comply with guidelines set forth by the Occupational Safety and Health Administration (OSHA). Specifically, the regulations of 29 CFR 1910.38 and 29 CFR 1910.120 have been followed when applicable. 1.3 Assumptions and Situations This ERP is intended to serve as an "all hazards" plan . It contains established guidelines for effectively managing these hazards and the names of organizations/agencies to be notified in the event of an emergency situation. The procedures outlined in this ERP were developed under the assumption that the local fire protection and emergency response agencies will respond to emergencies at the reported location when notified and will assist to the extent of their respective capabilities. 1 EMERGENCY RESPONSE PLAN This ERP provides procedures to address the following types of emergency events : Catastrophic Failure and Damage : fires or explosions well blowouts major environmental release such as spi ll s significant destruction of facilities Disruption to normal operations : non -permitted material/chemical releases from stationary or mobile sources any unscheduled emergency shutdown major accidents involving GRG vehicles or equipment owned by contractors terrorist and/or bomb threats threats against employees or GRG facilities fatalit ies or multiple hospitalizations involving employees or members of the public disturbances on GRG property damage to GRG property which interferes with the performance of norma l business Natural disasters and severe weather conditions including : floods damaging storms earthquakes weather extremes (cold , blizzards , heat) lightning and wildfires 1.4 Health and Safety Emergency Procedures Overview This ERP is intended to provide GRG employees and their contractors with plans of action during emergencies . When the project site , or a portion of the project site, is involved in an emergency event, personnel or their contractors shall take the appropriate action to safeguard human life , protect employees and surrounding property, and maintain or restore operations if possible . The task supervisor and/or operations manager will provide specific directions to the employees, contractors, and visitors in each situation as conditions warrant. Task supervisors and/or operations managers must become thoroughly familiar with this plan and must initiate the emergency plans and procedures when and where necessary. Throughout this plan , the term task supervisor and/or operations manager refers to the employee in charge of a particu lar work activity. Task supervisors and/or operations managers will inform pe rsonnel of the hazards, risks, emergency plans, and procedures concerning their operat ions. During emergencies, field personnel should be instructed to take control and prevention measures if they can be performed safely. Personnel safety must be the first cons ideration. Field personnel must immediately communicate information about any emergency event to their immediate supervisor. The supervisor will immediately initiate the appropriate notification 2 EMERGENCY RESPONSE PLAN procedure. In the event that the supervisor cannot be reached immediately, field personnel will initiate necessary notifications. Proper and adequate information is essential in order to assure proper actions are taken during emergencies . In most cases, the quick action of employees during the initial stages of an emergency make the difference between handling a dangerous situation safely and one which can result in property loss and injuries. 1.5 Plan Update and Revisions Procedures This ERP should be considered a controlled document and treated accordingly. GRG representatives will revise and update this ERP on an "as needed" basis throughout the life of the project according to the following criteria: if a change in the project site configuration occurs that materially alters the information contained in the ERP or materially affects implementation of the ERP if a material change occurs in response resources if an incident occurs that requires a review of the ERP if new laws, regulations , or internal policies are implemented that affect the contents or the implementation of the ERP Other changes deemed significant 1.6 Plan Distribution A copy of the ERP shall be provided to each task supervisor and/or operations manager. Copies of this plan will be made available for use during an emergency by field personnel at locations designated by the task supervisor and/or operations manager. Copies of the emergency contact list (Appendix A) will be posted at local GRG field office(s). The emergency contact list will also be placed in all vehicles associated with the project. A copy of this ERP will also be provided to the surface owner, the Colorado Division of Wildlife, and any other appropriate governmental agency associated with the project. 3 EMERGENCY RESPONSE PLAN 2 PREVENTION 2.1 General Prevention Policy Incidents at GRG 's Garfield County Operations will be m inimized through the use of safety inspections and implementation of the policies and procedures outlined in this ERP . The primary responsibility for prevention of emergency incidents is placed on task supervisors , operations managers and field personnel. 2.2 Fire Prevention Policy All field personnel will rec eive training regarding fire ha za rds of t he materials and processes to which they are exposed as well as the care and use of portable fire e xtinguis hers, location of fire extinguishers and implementation of this ERP . 2.3 Fire Prevention Activities Field personnel will be responsible for monitoring the accumulation of flammable and combustible waste materials and residues that may contribute to a fire . Flammable substances are liquids , solids or gases that have flashpoin ts below 100 °F. Some common flammables are : gasoline, natural gas, propane , methanol, and certain paints, primers and thinners . • Combustible substances are liquids , solids or gases that have flash po ints greater than 100 °F. Some common combustibles include : grasses , paper, wood , paint, certa in lubricating oils and greases . Good housekeeping and equipment maintenance are essential to keep fire hazards to a minimum . Listed below are housekeeping and maintenance requirements for con trolling th e supply and accumulation of flammables and combustible substances : 1. Flammable liquids shall be stored in original or approved containers. 2. Larger quantities (25 gallons or more) of flammab le li quids or gases shall be stored in an approved conta iner outside of a bu il ding or in an APPROVED fire rated storage cabinet when located inside a building. 3. Ea ch flammable liquid container shall have a bonding and grounding cable attached between it and the receiving co ntainer while transferring or dispensing. 4. Oil-soaked rags shall be stored in a UL-approved , covered metal conta ine r. 5. Scrap paper or packing materials shall be removed from any work area immediately after unpacking . Waste receptacles shall be emptied daily and refuse placed in proper trash co ntainers. 6. Weeds and grasses will not be allowed to grow or accumulate around any piping , process equipment, exit gates , or buildings . 4 EMERGENCY RESPONSE PLAN 7. Fire prevention signs shall be posted in conspicuous locations and kept in good condition . 8. Fire extinguishers will be placed at appropriate distances throughout the faci lity. 9. In sulate or protect hot surfaces that might be sources of ignition against spillage or leakage of fuel. 10. Plant personnel are responsible for inspecting heat-producing equipment and ma king sure that good housekeeping and equ ipment maintenance are being performed to keep fire hazards to a minimum. 2.4 Fire Prevention Inspection and Maintenance All portable fire extinguishers will be inspected annually by an approved person. This inspection wil l consist of a thorough examination of eac h extinguisher 's shell , gauge, hose and nozzle, and weighing and re-tagging of each fire extinguisher. A visual inspe ct ion of each fire extinguisher for readiness and lo cation will be performed monthly by field personnel. This inspection will be documented on each fire extinguisher inspection tag or recorded on a monthly inspection log . 2.5 Site Safety Inspections The project site shall be inspected for safety hazards and poor housekeeping situat ions as part of the regular operations and maintenance routine . 5 EMERGENCY RESPONSE PLAN 3 PREPAREDNESS 3.1 Supplies and Equipment Equipment and supplies to be used in the event of an emergency shall be stored at the project site or carried in field vehicles (if appropriate). Emergency fi re equipment will be maintained as described in Sections 3.2 and 3.3. Spill or release response materials should be stored in a protected location and replenished immediately when used. All emergency equipment should be inspected frequently and deficiencies corrected immediate ly. Upon receipt of this ERP , operations personnel should complete the list of equipment provided in Appendix VIII. 3.2 Facility Security General security is controlled by operations personnel during regular duties . The project site will be surrounded by a fence with specific access points. All operations and control systems are within the project property boundaries and not generally accessible to non-authorized personnel. During an emergency, security will be coordinated by the task supervisor and/or operations manager. Access to the site will be restricted to only those individua ls involved in specific emergency response procedures. Local law enforcement may be contacted if needed to secure the project site and immediate surroundings . 6 EMERGENCY RESPONSE PLAN 4 DETECTION AND NOTIFICATION PROCEDURES 4.1 Emergency Notification Upon discovery of an emergency, notify others in the immediate v ic inity of the nature of the emergency and vacate the area if appropriate. Notify the task supe rvisor and/or operations manager immediately as to the nature of the emergency (via two-way radio or cellular phone if necessary). Personnel should then notify the approp ri ate local emergency responder via 911 . Contact information is provided in Appendix I. 4.2 Emergency Alerting Procedures In the event of an emergency, the task supervisor and/or operations manager will alert any personnel at or near the project site of the emergency. Communications du ri ng an emergency incident will be accomp li shed using cellular telephones, land line telephones , and /or two-way radio . During an incident, radios wi ll be used for emergency use only. Commun ications during emergencies must be accurate and concise. Non-emergency related radio communications are not allowed during an incident. Some areas may have designated frequencies for use in eme rg encies only. The task supervisor and/or operations manager will alert any emergency responders or appropriate government entities that have not already been contact ed. Depending on the nature of the emergency, th e task supervisor and/or operations manager will also be responsible for alerting any local residents. 4.3 Evacuation and Personnel Accountability Personnel shall evacuate in a safe , prompt manner, following an approp riate evacuation route . Evacuation routes are indicated on the Emergency Action Site Plan in Appendi x Ill. Upon evacuation of the project site , personnel shall not return to the project site until authorized to do so . Personnel and any visitors to t he site at the time of the emergency will be accounted for when evacuation is comp lete by checking the site visitor logs , personnel shift schedu les , or by quest ioning all individuals present. 7 EMERGENCY RESPONSE PLAN 5 INCIDENT HANDLING PROCEDURES 5.1 Fires and Explosions In the case of a fire, action should be designed to protect human life and control the emergency as rapidly as possible. When responding to a fire or explosion, evaluate the situation upon discovery. If the emergency will not necessitate the shutdown of equipment, secure the area, and proceed with containment and control procedures as necessary. Keep task supervisor and/or operations manager aware of the conditions , and whether additional personnel or equipment will be needed . All the following steps should be considered ; however, tim ing of these steps may be altered to the individual circumstances to best accomplish these objectives . 1. Analyze the type of fire; call 911. If the fire is not beyond incipient stage, attempt to extinguish fire using appropriate equipment and methods, if trained to do so . If the fire is beyond incipient stage, evacuate and secure the area until the fire department arrives. 2. Make sure that the fire department has adequate directions to the facility. Follow the directives of fire department personnel upon arrival. 3. Notify the task supervisor and/or operations manager of the nature of the emergency. 4. If possible, shut off all feeder lines into the facility/installation . 5. If possible, cut off all electrical power in area of fire. 6. Account for personnel who may have been in the area at the time. In the event of injury, perform first aid and call for medical service . 7. Remove unauthorized personnel and isolate the area. Notify local law enforcement agency and request assistance if necessary. 8. If liquid hydrocarbons or gas are in the storage tanks or gas plant , pump or flow from the affected installation when practical. 9. Make arrangements for continuous water supply. 10. Maintain a safe working distance from fire at all times . 5.2 Hazardous Material Releases In the event of a hazardous materia l release , the primary concern and responsibility is the protection of life and limb. The second responsibility is the protect ion of property and the surrounding environment. Field personnel should not attempt any jdentification. control or containment without the proper personal protectjye eguipment. If the first employee that encounters a hazardous materials release has not completed emergency response train ing , including appropriate HAZWOPER training he/she shall not initiate defensive measures , but shall complete notification procedures. In the case of a hazardous mater ial re lease, all steps 8 EMERGENCY RESPONSE PLAN should be considered; however, the timing of these steps shou ld be a lte red to fit ind ividua l circumstances. 1. Maintain a safe working distance from the release at all times. 2. Call the appropriate emergency responder via 911. 3. Make sure that the responder(s) has adequate directions to the facility . Follow the directives of emergency response personnel upon arri val. 4. Notify the task supervisor and/or operations manager of the natu re of the release/emerge ncy . 5. If possible , shut off all feeder lines that may be contributing to the release . 6. Account for personnel who may have been in the area at the time. In the event of injury, perform first aid and call for medical service . 7. Remove unauthorized personnel and isolate the area . Notify local law enforc ement agency and request assistance if necessary. Initiate defensive measures to control the emergency event if these measures can be done safely and only if the employee has been trained in emergency response, or has completed 24- hour Hazardous Waste Operations and Em ergen cy Response (HAZWOPER) operations lev el training . If so, proceed within the guidelines of HAZWOPER or other appropriate emergency processes to control or contain the extent of the release. A decontamination plan should be developed prior to conducting operations in areas where the potential for exposure to hazardous substances exists . The type and extent of decontamination will vary with the hazard of the chemical substances and degree of contamination. The following drawing is offered for setting up a decontamination area . / I 'I / I - . I ---I ·' Suppc>rt Zonu (z:> A cco u o Cont"r<>t F"'c>inco, D Cnnt.urnlru.•••o n Aod u ac-on co .. rldc:u-. m C.on to 1 nln~n l o n n ocSuo cl on Z.ono (C AZ). [IJ.J Exc-:luu\o'' Zon u Notu: Af'un dl,..,.....unu •CJ1 n n n oc:. '°' aool l':L. Ol~t enr:ou t>a,woon po•n"t"s mov vnrv~ 9 EMERGENCY RESPONSE PLAN 5.3 Hydrocarbon/Petroleum Spills In the event of a hydrocarbon/petroleum spill from vehicles, equipment, tanks, flow line or any other related drilling and production equipment , action should be taken to shut off the source and contain the spill as rapidly as possible. All steps should be considered carefully, however, timing of these steps should be altered to fit the individual circumstances . 1 . An employee sighting a spill shall identify the safety concerns and analyze the type of spill to determine the immediate action to be taken to shut off the source of the spill , and to contain the material that was released. 2. Notify task supervisor and/or operations manager of spill and action being ta ken. Request they notify the Government Agencies , other working interest owners, t he landowner, and any other appropriate parties . 3. If a spill or release impacts or threatens to impact a Public Water System (PWS), notify the affected or potentially affected Public Wate r System(s) immediately following discovery of the release . See Appendix IX of this plan for details of lo cations that might affect PWSs. Report the spill or re lease to the COGCC and to the CDPHE Environmental Release/Incident Report Hot line . 4 . Obtain labor and equipment from the nearest source to construct a containmen t barrier as rapidly as possible. 5. If this is only a temporary measure and earth moving equipment is required , call out the necessary equipment from the source from which it is most readily ava ilab le. 6. Emp loy the use of the most readily available absorbent mate ri al (straw, dirt, lost circulation material). 7. If practical , call for a vacuum truck to pick up hydrocarbons. 8. If dealing with flammable materials, collect lighters and matches from personnel working in the area to assure an explosion or fire does not occur. 9. Restrict entry into affected area to persons involved in containment and cleanup operations. 10. Keep livestock away from affected area and if practical, notify t he farmer or rancher of the situation . 5.4 Medical Emergency A medical emergency must be responded to immediately usi ng available First Aid equipment. Personnel with current First Aid training should be called upon first to control the situation. Assess the condition of the injured but do not move the victim unless they are in a hazardous environment or a situation that is an imminent danger to the victim or responders . Local medical emergency response agencies must be notified immediately by calling 911 . Use of a two radio may be necessary if the project location is remote . After calling 911 and fully reporting the situation and location , someone should be sent to the specified access road to 10 EMERGENCY RESPONSE PLAN direct medical personnel to the correct location . If at all possible , stay with the incident victim and cont inue to administer First Aid until emergency responders arrive . 5.5 Severe Weather and Natural Disasters Field personnel will rely on lo cal weather forecasts and media broadcasts for warn ing of approaching severe weather. Upon notice or alert of severe weather, fie ld personnel shall move to a safe locatio n to monitor or observe the project site during the weather event. If the project site can not be monitored safely from an immediate or nearby location, personnel shall leave the area until the severe weat her has passed by . When it is safe to return to the project site , all systems and equipment should be checked for damage and any emergency situations handled in accordance with this ERP . 5.6 Bomb Threats Any threat made toward personnel or GRG property should be t aken se rio us ly and considered dangerous. Threats, and any related conversations or incidents, should be properly documented. A form is provided in Appendix VI I to assist with this documentation . The task supervisor and/or operations manager should be made aware of any threat immediately. Local law enforcement agencies must also be notified promptly . 5.7 Tra nsportation Accidents Response to vehicle accidents should be appropriate to the extent of injury and property damage. All steps should be considered carefully, however, timing of these steps should be altered to fit the individual circumstances. 1. Upon discovery or involvement in a transportation accident, determine if the vehicle(s) are secured and if there is a risk of fire or shifting loads . If this danger exists, move a safe distance from t he accident site. 2. Provide first aid to any injured persons but do not move the individua l(s) unless they are in immi nent danger. 3 . Call the appropriate emergency responder via 911 . 4. Take steps to control traffic in the area and place hazard markers, flares , etc. 5. If possible and appropriate, remove damaged vehicle(s) from the public thoroughfare. 6. GRG or contractor ve hicles that cause or have been involved in an accident/emergency shall be reported as soon as safely possible to the task supervisor and/or operations manager. 11 EMERGENCY RESPONSE PLAN 5.8 Vandalism/Sabotage Upon discovery of evidence of vandalism or sabotage, an immediate assessment of all operations equipment and systems shall be performed. After the assessment is accompl ished and a return to normal operations is possible, a thorough documentation of the vandalism should be completed and reported to the task supervisor and/o r operations manager. Local law enforcement should be contacted as necessary. 12 EMERGENCY RESPONSE PLAN 6 OPERATIONS SHUTDOWN 6.1 Emergency Shutdown Policy If an emergency necessitates that operations be terminated, an emergency shutdown should be performed by field personnel. Any emergency shutdown shou ld occur with the intent of maximizing safety and minimizing property or equipment damage. If performing an emergency shutdown will potentially cause injury or death, then personnel should evacuate the facility without completing shutdown procedures. 13 EMERGENCY R ESPONSE PLAN 7 TERMINATING THE EMERGENCY 7 .1 Recovery of Operations Project operations should commence as soon as safely possible following an emergency or operations shutdown event. An inspection and review of affected equipment or systems by safety and engineering staff members may be required before normal operations can be restored . 7 .2 Documentation The task supervisor and/or operations manager shall make certain all calls, conversations, pressures , quantities, or other information pertinent to an emergency event are documented per this ERP and the attachments herein . 7 .3 Damage Assessment Personnel designated by the task supervisor and/or operations manager shall visually inspect all equipment and systems following an emergency incident. Any evidence of damage will be reported to the task supervisor and/or operations manager and properly documented. Any damaged equipment that presents an unsafe condition shall be repaired or replaced before returning affected systems to normal operation . 7 .4 Post-Emergency Activities When the emergency has ended or as soon as practical, determine and notify the GRG operations superintendent of the following: the extent of the damage; an estimate of tim e required to repa ir the equipment. Call field personnel and have them report to duty if and when they are needed to: locate pertinent material available from stock or suppliers ; • cleanup, recharge, restock, repair and/or replace emergency equ ipment as necessary arrange for contract equipment and personnel; prepare plans for returning the project to full operational capability; assist in any other activities involving the emergency; dispatch work crews and equipment to the site as needed ; • restore project operations to normal as soon as repairs can be made safely and in accordance with established procedure ; 14 E MERGENCY RESPONSE PLA N APP ENDIC ES I. GRG En e rgy Contact/Personnel List II . Emergency Response Plan Review Record 111 . Outside Emergency Contact List IV. Chronological Record of Emergency V. Spill Release Report Form VI. Bomb Threat Checklist VII. On Site Emergen cy Response Equ ipment VIII. Fa c iliti es Location Map 15 EMERGENCY RESPONSE PLAN 16 EMERGENCY RESPONSE PLAN Appendix I -GRAND RIVER GATHERING, LLC CONTACT/PERSONNEL LIST For further information about the Emergency Response Plan, evacuation, response to emergency events, or other information regarding area/facility emergencies, contact the following people : NAME TITLE TELEPHONE Gas Control Office: (970) 440-101 O Brian Gardner Operations Manager Office: (970) 440-1007 Cell : (970) 640-3094 Mike Rose VP-Engineering and Construction Office: (214) 926-6299 Cell: (21 4 ) 242-1964 Rick Smith Director of Operations Office: (970) 901-7003 Cell: (970) 639-2507 Marlene Breitenbach VP-HSE & Regulatory Office:(214) 306-9853 Cell: (832) 689-6241 Ben Kilgore Safety Manager (970) 901-9611 17 EMERGENCY RESPONSE PLAN Appendix II -EMERGENCY RESPONSE PLAN REVIEW RECORD Name of Facility: GRAND RIVER GATHERING LLC GARFIELD COUNTY OPERATIONS Initial Plan Development: _______ ~O~c~to~b~e~r =20~1~1 __________ _ Date of Last Review for Plan Accuracy: ____ Ju_n_e_2~6~20_1_3 __________ _ Date of Last Revision: June 26 2013 ---------"--"~~~'--'--=-----------~ Operations Superintendent Name: _____ B_ri_an~G~a~rd~n_e~r __________ _ Operations Superintendent Signature: '"R ~. _ . .L, A J.. ,__ Date: b -26 -t 3 18 EMERGENCY RESPONSE PLAN Appendix Ill -OUTSIDE AGENCY EMERGENCY CONTACT LIST NAME OF FACILITY: GARFIELD COUNTY OPERATIONS Issue Date: JAN 2013 Service Name Address Phone Emergency Air Evacuation St. Mary's Care Flight Grand Junction , CO (800) 332-4923 Ambulance & Fire -Parachute Fire Dept. Parachute , CO (970) 285-7711 Parachute Ambulance & Fire -Colorado Ri ve r Fire 1850 Railroad Avenue Emergency: 911 Rifle Rescue Rifle , CO (970) 625-1243 Hospital-Valley View Hospital 1906 Blake Avenue (970) 94 5-6535 Glenwood Springs Glenwood Springs, CO Hos pital-St. Mary's Hospita l & 2635 N. 7m Street (970) 244-2273 Grand Junction Medical Center Grand Junction , CO Hospital-Grand River Hospital 501 Airport Road (970) 625-1510 Rifle District Rifle , CO Medical Clinic Battlement Mesa Clin ic 73 Sipprelle, Suite K (970) 285-7046 Parachute, CO Poison Control Police-Parachute Poli ce Dept. 222 Grand Valley Way (97 0) 285-7630 Parachute Parachute, CO Poli ce -Rifle Police Dept. 202 Railroad Avenue (970) 625-2331 Rifle Rifle , CO Sheriff Garfield County Sheriff 107 8111 Street (970) 945-0453 Glenwood Springs, CO State Patrol State of Colorado 202 Centennial Drive (970) 945-6198 Glenwood Springs, CO State Patrol (Dispatch) (970) 625-8095 19 EMERGENC Y RESPONSE PLAN Appendix IV -CHRONOLOGICAL RECORD OF EMERGENCY NAME OF SITE : DATE OF INCIDENT: YOUR NAME: TIME 1 ST AWARE : FIRST RESPONDER EMPLOYEE COLLECTS THE FACTS Briefly describe the emergency: Did you activate an alarm or siren? Yes No Time: Can you isolate the problem area? Yes No Time: CAUTI ON: Do no risk your life or the lives of others. Was rescue needed? Yes No Time: Was first aid needed? Yes No Time : If ves, did vou move the victim? Yes No Time : Were you in a hazardous environment? Yes No Time : Did you have the proper equ ipment to proceed without help? Yes No Time: Did you call 911? Yes No Time: Did you contact anyone for assistance? Who Time: If the emergency was outside of the site boundary, who reported the emergency? Name : Address: Phone: Called from : I Phone No : LOCAL EMERGENCY RESPONSE AGENCIES Time: Name Ambulance Service : Phone No . City State Time: Name Hospital: Phone No . City State Time: Name Air Life : Phone No. City State Time: Name Alternate Hospital: Phone No . City State LAW ENFORCEMENT Time: Name City Police Phone No . City State Time: Name Count y Sheriff's Office Phone No . City State Time : Name State Patrol : Phone No. City State 21 EMERGENCY H.ESPONSE PLAN FIRE DEPARTMENT Time : I Name Fire Department City State I Phone No. COMPANY PERSONNEL Time: I Name: City State I Phone No . NOTE: Notify Primary Contact as soon as you have the emergency in primary control (e.g., evacuate - rescue -first aid -isolate fuel source if fire -spill containment to prevent environmental contamination). Time : Name Task Superintendent: Pho ne No. Time: Name Other Operators : Phone No . Time : Name Other Technicians: Phone No. Phone No. Time: Name Facility Operator: Work No . Home No. LOCAL RESIDENCES Time : Name of Resident: Phone No. Location : Time: Name of Resident: Phone No. Location : Time : Name of Resident: Phone No. Location : PIPELINE COMPANY(S) or OTHER AFFECTED COMPANY(S) Time: Company: Phone No . Time : Company: Phone No. Time : Company: Phone No. UTILITIES Time : Company: Phone No . Time: Company: Phone No. Other Action(s) Taken -Attach extra sheets if necessary. Time : Time : Time : Time : Emergency is under total control. Time: Date : Task Superintendent's Initials: 22 EMER GENCY R ESPONSE PLAN Appendix V -SPILL RELEASE REPORT FORM OIL SPILL AND HAZARDOUS S UBSTANCE RELEASE REPORT FORM GRAND RIVER GATHERING, LLC -GARFIELD COUNTY OPERATIONS SPILL DATE AND TIME DATE & TIME SIGHTED Sighted By ESTIMATED SPILL DATE AND TIME Month Day Year Time AM PM Month Day Year Time AM PM SPILL VOLUMES Volume removed from the Total Spill Volume Volume Returned to Production environment but not returned to production (burned , absorbed, etc.) BO BW H,W OTHER BO BW H2W OTHER BO BW H2W OTHER LOCATION OF SPILL Qtr Qtr Sec T wp Range Specific Location County State (Well No., Battery, etc.) Lease Number Surface Owner SPCC PLAN (Identify below the appropriate SPCC plan which applies to this spill or release.) WEATHER Clear Cloudy Fog Rain Snow Ice Wind Velocity & Direction Temperature °F DESCRIPTION OF LEAK LOCATION, SPILL PATH, EXTENT OF SPILL, RESULTANT DAMAGE WATER AFFECTED Name of water, volume entering): CONTAINM ENT (How the release was controlled), RECOVERY, INTERIM & FINAL CLEANUP MEASURES (Provide times, dates, and employee responsible): CAUSE OF SPILL AND ACTION TAKEN TO PREVENT REOCCURRENCE : ADDITIONAL SARA EMERGENCY NOTIFICATION REQUIREMENTS : OTHER PERTINENT COMMENTS : 23 EMERGENCY RESPON SE PLAN Appendix VI -BOMB THREAT CHECKLIST Name of Fac ility: _________________________ _ Report call immediately to: ___________ _ Telephone ____ _ Date Bomb threat received by: ____________ _ -------- Questions to ask Exact wording of threat 1. When is bomb going to explode? 2 . Where is bomb right now? 3. What does bomb look like? 4 . What kind of bomb is it? 5. What will cause it to explode? 6. Did you place the bomb? 7. Why? 8. What is your address? 9. What is your name? THE FOLLOWING INFORMATION REQUIRES OPINION, PERCEPTION AND JUDGEMENT. PLEASE GIVE YOUR VERY FIRST IMPRESSIONS: CALLER WAS: Male Adult Female Child ESTIMATE AGE Pre Teen Teenage 20-40 40-50 50+ CALLER'S SPEECH: Accent Heavy S lig ht Foreign Spanish Asian German Other American Southern New England Othe r CALLER'S VOICE: Calm Soft Distinct Angry Loud Slurred Excited Ragged Laughing Crying Rapid Slow Normal Deep Nasal Lisp Stutter Deep BreathinQ Familiar Raspy Clearing Throat Cracking Voice BACKGROUND Street Noises Office Machinery Animal Noises SOUNDS: Tele Booth Kitchen Ware Voices Airplane Bus Factory Train Clear Machinery Music House Noises Local Weather Motor Long Distance Static Other THREAT LANGUAGE: Well Spoken Incoherent Foul Taped Irrational Message Read by T hreat Maker 25 EMERGENCY RESPONSE PLAN Appendix VII -ON SITE EMERGENCY RESPONSE EQUIPMENT Equipment Location Spill Containment/Control Equipment Fire Control Equipment (Extinguishers) Other 27 760 Horizon Drive, Suite 102 TEL 970.263.7800 Grand Junction, CO 81506 FAX 970.263.7456 www.olssonassociates.com Figures Grand River Gathering LLC High Mesa Compressor OA Project No. 013-1964 Figure No Figure Title AP-1 Adjacent Parcel Map V-1 Vicinity Map G-1 Geology Map SM-1 Soils Map SH-1 Slope Hazards Map F-1 Floodplain Map R-1 Road Access Map 70 6 240926400137THROM, DONALD R 240926400150 NOBLE ENERGY INC 240719300955BUREAU OF LAND MANAGEMENT 240935400122HELEY, WILLIAM & SANDY A 240935400123JONES, LINDA High Mesa Compressor Station BUREAU OF LAND MANAGEMENT BUREAU OF LAND MANAGEMENT DAYBREAK REALTY LLC KLEBOLD, LARRY A & KAREN K ENCANA OIL & GAS (USA) INC DAYBREAK REALTY LLC BUREAU OF LAND MANAGEMENT 240721400954 240925100954 240719300162 240935100136 240936100048 240719300162 240936400955 Legend High Mesa Compressor Station Proposed Communication Tower Parcels Highway/Interstate 0 0.5 10.25 Miles PROJECT NO: DRAWN BY: DATE: 011-2059 Jenna Muhlbach 4/12/12 ADJACENT PARCEL MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE AP - 1 70 6 Parachute High Mesa Compressor Station Legend High Mesa Compressor Station 2409-361-00-048 (Area: 320 acres) 3-mile radial circle Highway/Interstate County Roads Parcels 0 1 20.5 Miles 3-mile radium indicated by dark red circle PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/12/12 VICINITY MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE V - 12 High Mesa Compressor Station Two Qgo Qgo Legend Geology Type Qgo - Old Gravels and Alluvium Two - Wasatch Formation & Ohio Creek Formation High Mesa Compressor Station Parcels - 2409-361-00-048 Parcels Highway/Interstate County Roads 0 500 1,000250 Feet Geologic Data obtained from the USGS PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/27/12 GEOLOGY MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE G - 13 High Mesa Compressor Station 66 34 56 58 34 58 34 58 Legend High Mesa Compressor Station Parcels Highway/Interstate County Roads Soil Type 33 - Ildefonso stony loam, 6-25% slopes 34 - Ildefonso stony loam, 25-45% slopes 56 - Potts loam, 6-12% slopes 58 - Potts-Ildefonso complex, 12-25% slopes 66 - Torriorthents-Camborthids-Rock outcrop complex, steep 67 - Torriothents-Rock outcrop complex, steep 0 400 800200 Feet PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/9/12 SOILS MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE SM - 14 70 6 High Mesa Compressor Station Stone Quarry Spring Creek Wallace Creek Gardner Tamarisk R i c h a r d s o n Ol d o n e Q u a r r y Ra i n b o w Blac k h a w k Placer Fo u r C o r n e r Monument Morningstar Eme r a l d Par a c h u t e P e t e & B i l l D r a w Ho r i z o n Oa k W a l l a c e C r e e k Legend High Mesa Compressor Station SlopeHazard Parcels - 2409-361-00-048 Parcels Highway/Interstate County Roads 0 0.5 10.25 Miles Slope data obtained from the Garfield County GIS PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/27/12 SLOPE HAZARDS MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE SH - 15 70 6 Parachute High Mesa Compressor Station Stone Quarry Spring Creek W a l l a c e C r e e k Tamarisk Gardner R i c h a r d s o n Underwood Ol d o n e Q u a r r y Ra i n b o w River B l u f f Mon u m e n t Blac k h a w k Placer Fo u r C o r n e r Lodgepole Po n d e r o s a S a g e m o n t Morningstar Eme r a l d Par a c h u t e P e t e & B i l l D r a w Ho r i z o n W a l l a c e C r e e k Wallace Creek Legend High Mesa Compressor Station Parcels - 2409-361-00-048 Parcels FloodPlain Highway/Interstate County Roads 0 0.5 10.25 Miles Floodplain data obtained from Garfield County GIS database PROJECT NO: DRAWN BY: DATE: 012-0539 Jenna Muhlbach 3/27/12 FLOODPLAIN MAP GRAND RIVER GATHERING, LLC. HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE F - 16 70 6 240926400137THROM, DONALD R 240926400150 NOBLE ENERGY INC 240719300955 BUREAU OF LAND MANAGEMENT 240935400122HELEY, WILLIAM & SANDY A 240935400123JONES, LINDA High Mesa Compressor Station BUREAU OF LAND MANAGEMENT BUREAU OF LAND MANAGEMENT DAYBREAK REALTY LLC KLEBOLD, LARRY A & KAREN K ENCANA OIL & GAS (USA) INC DAYBREAK REALTY LLC BUREAU OF LAND MANAGEMENT 240721400954 240925100954 240719300162 240935100136 240936100048 240719300162 240936400955 Legend High Mesa Compressor Station Parcels Route to High Mesa Compressor Station Highway/Interstate County Roads 0 0.25 0.50.125 Miles Parcels represented with labels are witihin 200' of affected parcel PROJECT NO: DRAWN BY: DATE: 011-2059 Jenna Muhlbach 4/25/12 ROAD ACCESS MAP *5$1'5,9(5*$7+(5,1*//& HIGH MESA COMPRESSOR STATION GARFIELD COUNTY, COLORADO 826 21-1/2 ROAD GRAND JUNCTION, CO 81505 TEL 970.263.7800 FAX 970.263.7456 FIGURE R - 1