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Home My WebLink About20181627.tiffCOLORADO Department of Public Health Zr Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150O St PO Box 758 Greeley, CO 80632 May 14, 2018 Dear Sir or Madam: RECEIVED MAY 18 2018 COMMISSIONERSCOUNTY On May 17, 2018, the Air Pollution Control Division will begin a 30 -day public notice period for Rockies Express Pipeline LLC - REX Cheyenne Hub Compressor Station. A copy of this public notice and the public comment packet are enclosed. Thank you for assisting the Division by posting a copy of this public comment packet in your office. Public copies of these documents are required by Colorado Air Quality Control Commission regulations. The packet must be available for public inspection for a period of thirty (30) days from the beginning of the public notice period. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health Et Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe John W. Hickenlooper, Governor ( Larry Wolk, MD, MSPH, Executive Director and Chief Medical Officer Wait- kettle A) o6 -23-t8 c.c;. PL Llfv�w� �TP�-isct_es-0, P`' (EK/CH /TMvCK) 05-18-18' 2018-1627 Air Pollution Control Division Notice of a Proposed Project or Activity Warranting Public Comment Website Title: Rockies Express Pipeline LLC - REX Cheyenne Hub Compressor Station - Weld County Notice Period Begins: May 17, 2018 Notice is hereby given that an application for a proposed project or activity has been submitted to the Colorado Air Pollution Control Division for the following source of air pollution: Applicant: Rockies Express Pipeline LLC Facility: REX Cheyenne Hub Compressor Station Natural Gas Compressor Station 65205 US Highway 85, Carr, CO 80612 Weld County The proposed project or activity is as follows: The operator is requesting permit coverage for six (6) compressor engines and natural gas venting from maintenance blowdowns of six (6) reciprocating compressor units. The addition of these units is associated with the expansion of the existing natural gas compressor station to provide additional compression and pipeline capacity downstream of existing gas processing facilities. This facility is now classified as major for NOx and formaldehyde with regards to Title V. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No. 3, Part B, Section III.C due to the following reason(s): • permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section III.C.1.a (25 tpy in a non -attainment area and/or 50 tpy in an attainment area) • the source is subject to control requirements under a Federal Maximum Available Control Technology requirement for major sources • the source is requesting a federally enforceable limit on the potential to emit in order to avoid other requirements The Division has made a preliminary determination of approval of the application. A copy of the application, the Division's analysis, and a draft of Construction Permit 18WE0053 have been filed with the Weld County Clerk's office. A copy of the draft permit and the Division's analysis are available on the Division's website at https://www.colorado.gov/pacific/cdphe/air-permit-public-notices The Division hereby solicits submission of public comment from any interested person concerning the ability of the proposed project or activity to comply with the applicable standards and regulations of the Commission. The Division will receive and consider written public comments for thirty calendar days after the date of this Notice. Any such comment must be submitted in writing to the following addressee: Harrison Slaughter Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us Colorado Air Permitting Project PRELIMINARY ANALYSIS - PROJECT SUMMARY Project Details Review Engineer: Package 6: Received Date: Review Start Date: Harrison Slaughter. 373700 1/16/2018 2/12/2018 Section 01- Facility Information Company Name: Rockies Express Pipeline LLC . County AIRS ID: ;123. Plant AIRS ID: 6282 Facility Name: REX Cheyenne Huh compressor Station Physical Address/Locatia 65205+ US Highway SS, Carr, CO 80612 Type of Facility: - - NaturalGas pressor Station`. What industry segment? Natural Csaslransrnission-& Storage. Is this facility located in a NAAQS non -attainment area? If yes, for what pollutant? ,un Monoxide (CO) Weld Section 02 - Emissions Units In Permit Application Quadrant Section Township Range Pa culate Matter (PM) ne (NOx & VOC) AIRS Point 8 Emissions Source Type Equipment Name Emissions Control? Permit S Issuance N Self Cert Required? Action Engineering Remarks 005 Natural Gas RICE CR5001 Yes. 18WE0053 1 Yes Permit initial' Issuance 006 Natural Gas RICE_ CR 5002 yes 18WE0053 1 Yes Permit initial,, Issuance 007 Natural. Gas CR5003 Yes 18WE0053 1 Yes Perrrft Initial Issuance 008 Natural GasfaCE CR 5004 Yes 18WE0053 1 Yes Pe it issuance 009 Natural"Gas RICE - CR 5005 yes 18W80053 1 Yes Permit Initial issuance 010 � Natural Gas RICE CR 5006 Yes 18WE0053 1 yes' Perms Initial' '. •issuance 012 MaiintenancerBfowdowns Comp BD Nsr 18WE0053 1 - Yes PermitInitia€ Issuance ' Compressor Blowdowns Section 03 - Description of Project Rockies Express Pipeline LLC (REX) submitted an application to modi attainment area. the REX Cheyenne Hub Compressor Station. existing facility located in the ozone With this application, REX pfans an `expansion of the compressor station facility to provide additional compression and pipeline capacity downstream of existing processing plants to meet growing takeaway demand for (thej Denver-Ju€esburg Basin gas production." Since this facility is located downstream of as processing facilities it is included in the natural gas transmission and storage industry segment. The proposed new sources resulting from this expansion include: (i) Six (6) compression engines, (ii) one (1) 2.0 MMBtu/fir fuel gas heater, and (Si) compressor blowdowns. The fuel gas heater is an APENexempt source and addressed with the analysis for permit number 18WE0153. The other sources that are part of the proposed expansion have emissions below APEN reporting thresholds and are accounted for on the facility wide inventory. As a result of this expansion, facility wide (510x emissions exceed the major source threshold of 100 tpy and the modeling threshold of 40 tpy. Additionally,.: formaldehyde emissions exceed the major source threshold of 10 tpy. Based on thisinformation, this facility is classified as a new major source and is required to go ,7 through modeling, It should be noted that this -facility is not a listed source (Colorado Regulation 3, Part A, Section 1.8.25,) and is not located in the ozone non - attainment area. As such, the PSD thresholds for this facility are 250 tpy. Emissions from all criteria pollutants are less than '250tpy as a result of this project. As such, the facility is not subjectto PSD requirements. Modeling was also required for PM2.5 since emissions as a result of the project exceeded the modeling threshold of 5 tpy. Further, public comment is required for this facility since the change in NO: emissions are greater than SO tpy and the source is requesting synthetic minor limits to avoid other requirements. Section 04 - Public Comment Requirements Is Public Comment Required? If yes, why? Requesting SyntheticcMinor Permit Section 05 - Ambient Air Impact Analysis Requirement Was a quantitative modeling analysis required? Yew o If yes, for what pollutants? NOx and PM2.l If yes, attach a copy of Technical Services Unit modeling results summary. Yes Section 06 - Facility -Wide Stationary Source Classification Is this stationary source a true minor? Is this stationary source a synthetic minor? If yes, indicate programs and which pollutants: Prevention of Significant Deterioration (PSD) Ys� SO2 NOx CO VOC PM2.5 PM10 TSP HAPs Q Q Ell Q D D Title V Operating Permits (OP) Non -Attainment New Source Review (NANSR) Is this stationary source a major source? If yes, explain what programs and which pollutants here SO2 Nox Prevention of Significant Deterioration (PSD) Title V Operating Permits (OP) Non -Attainment New Source Review (NANSR) Colorado Air Permitting Project �H ❑ uu CO VOC PM2.5 PM10 TSP HAPs ❑ ❑J RICE Emissions Inventory Section 01-AdmireVetlse Information Facility AIRS ID. ,3::123-....... g2 005010* County Plant Pa n[ 'Points 005-010 cover the same engine make and nmdel. As such, this spreadsheet provides an erulysls far each engine asemisiom are idemlaal from each. Section 02 -Equipment Description Details Detailed Emissions Unit Description: Emission Control Device Description: Requested NO4 Control Efficiency 96: Requested VOC Control Efficiency%: Requested CO Control Efficiency %: Requested HCHO Control Efficiency %: Requested Other HAP Control Efficiency %: One Ill Cotorpiller Mudd: Cdb16SN: 19D natural gas fired, turbocharged, 45®reciprocating Internal combustion enginet site rated at 5,350 HP. This engine shall be equipped with a selective- oxidation catalyst and aair-rwi ratio control. Thin emission uoltk used tornanueel gas compresslon. Engine Manufacture Date: MO Manufacturer Caterpillar Model Number 03616 Serial Number DID Engine Function Curipre3sivlo Derating Mfg's Max. Rated Horsepower @ sea level: .,.- 0360L....:?'Q HorseTmwer used for celcuatlons: 5350 BSCF@ 100% Load (btu/hp-hrl: €7368 ' Site- Rated BSCF@ 100% load (btu/hp-hi): 7368 Engine Type � . ASplrrtio e. gO Other Parameters Rating Electrical Generator imaRequested -,"0 eS un Req estdHours of Op In 8760 PTE Hours of Operation 8760 Actual Hours of Operation 0 Section 03-Pracessine Rate Information for Emissions Estimates Fuel Use Rate @ 100% Load 37541.71429 scf/hr ACTUAL Annual Fuel Consumption 0 MMscf/yr MAX POTENTIAL Annual Fuel Consumption 328.865 MMscf/yr REQUESTED Annual Fuel Consumption 328.865 MMsd/yr Fuel Heating Value 1050: btu/sd Section 04 -Emissions Factors & Methodologies Thirds a new engine at this facility, so there b no actual data. Emission Factors SI RICE Engine Pollutant Uncontrolled I Units Controlled Units (Natural Gas Compmeoon) (Natural Gas Consumption) Source NO4 co VOC PM„ PM„ SO2 0.500 _220 0.476 9.987E-03 9.987E-03 5.880E-04 Formaldehyde Acetaldehyde Acroleln Methanol Benzene Toluene 8.360E-03 5.140E-03 0.500E-03 4.400E-04 9.080E-09 3.970E-05 1.840E-14 1.110E-03 2500E-04 2670E-04 ape.0, _ 0.500 0.140 6./hp-hr g/hp-hr g/hp-hr Ib/MMBTU Ib/MMBTU Ib/MMBTU 5/80E-04 4.700E -0Z 1.965E-03 1.208E-03 5.8750E-04 1.034E-04 9.5886.05 9.330E-06 4.324E-05 2.609E-04 5.8756-05 6.275405 g/hp-hr lb/MMRI, lb/MMBTU lb/Mb/MT-LI lb/MR/1B1U IO/mmmu Ib/MMBTU Ib/MMBTU Ib/MMRTU Ib/MMBTU Ib/MMBTU G' T,c,}Z-L,i'e5seia;t}tgrrpi E le +}shWetsgfmt443atti&tgirks 5'5,67 h�ltake,;ar&u�1tiA9:-` Ethylbenzeno Xylene n -Hexane 0,44TMP 243 YR£__ y:ma 7'g7da3;rZ,'�'•A.n�.Fn.� e9 �:: 1,3 -Butadiene Section OS - Emissions I nventory Criteria Pollutants Potential to Emit Uncontrolled (tons/year) Actual Emissions Uncontrolled Controlled (tons/year) (tons/year) Requested Permit Lies Uncontrolled Controlled (tons/year) Ito./year) NO4 CO VOC PMu PM. SO2 25.83 500 0.00 25.83 25.83 114.69 0.00 0.00 114.69 7.75 24.54 0-00 0.00 24.54 7.23 1.72 500 0.00 1.22 1.72 LOU a00 0.00 1.72 1.72 0.10 0- .00 0 0.10 0.10 us HazardoAir Polluta0 Potential to Emit Uncontrolled (Ibs/year) mrActual Emosbra Unctmlled Controlled Ilbsjyearl libs/year) Requested Permit Limits Uncontrolled Controlled (Ibs/year)- (lbs/near) Formaldehyde Acetaldehyde Acroleln Methanol Berne Toluene Ethylbemene Xylene n4lexane 2,24-TMP 1,3-eotedlene 20664 0 0 2066434 4856.12 2987 0 0 2886.78 67839 1775 0 0 1774.89 417.10 063 0 0 863.27 202.87 152 0 0 151.94 35.70 141 0 0 140.89 33.11 14 0 0 13.71 3.22 64 0 . 0 63.54 14.93 383 0 0 383.29 90.07 86 0 0 86.33 20.23 92 0 0 92_0 71.67 Emission Factors 0.149607753 0149607763 0.6842584® 0.044903873 0.142157297 0041893755 3.338E-02 3.338E-02 1.9655E-03 5.984E-02 1.406E-02 2.794E-02 6.566E-03 1.718E-02 4.037E-03 8.355E-03 1963E-[3 1.471E-03 3.456E-04 1.384E-03 3204E-04 1.327E-04 3.118E-05 6.149E-04 1.445E-04 3.710E-03 8.718E-04 8.355E-04 1.963E-04 8.923E-04 2097E-04 18WE0053.CP1xlsm RICE Emissions Inventory . Section 06- Regulatory Analysis Regulatory Reoulrements gegulatios1 Section ltAO- Except as provided in paragraphs 2 through 6below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in exces of 20% opacity. This standard s based on 24 consecutive opadny readings taken at 15 -second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix A (July, 1092)) In all subsections ofsecttion II. A and B of this regulation. Regulation 2 Section I.A- No person, wherever located, shall cause or allow the emission of odorous air contaminants fromany single source such as to r.utt in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air. Regulation a Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Alr Pollutant Emission Notices are required for: each indfcidual emission point In an attainment area with uncontrolled actual emissions of two ton per year or more of any individual cctteria pollutant (pollutants are not summed). Applicant is required to file an APEN since emissions exceed 2ton per year VOC, CO and NO. Part B —Construction Permit Exemptions Applicant is required to obtain a permit since uncontrolled VOL emissions from thin facility are greater than the 5.0 TPYthreshold (Regulation Number 3, Part 8, Section 11.0.3.0) Regulation J Section BVI.B: These engines have a design rate greater than 50OHP (reported . 5,350HP); however, they arenot located In the ozone non -attainment area. As a result, the engines are not subject to the alr pollution control technology requirements of Section )04.B.2 for lean bum engines. Section MIX, According to Regulation 7 Section XVI I.B5: "inertial combustion engines that are subject to an emissions control requirement in a federal maximum achievable control technology ("MACE') standard under 40 00 Part 63, a Best Available Control Technology ("BACT") limo, or a New Source Performance Standard ("N5PS") under 40 CFR Part 00 are not subject to Section INII., except for the leak detection and repair requirements in Section XVII.F." These engines are subject. emission control requirements in MALT r/22 and NSPS Jill. Asa result, they arenot subject. the requirements of Regulation 7 Section )NILE. MALT 2272 These engines are subject to MAR TM. The facility s classified as a major source of HAPs, so the engines are subject to major source requirements for new 4SLBengines with a site rating greater than SOO HP. According to 463.6600(b): "If you own or operate a new or reconstructed 4SLB stationary RICE located with a site rating of more than 500 brake HP located at major source of HAP emissions, you must comply with the emi.lon limitations In Table 2a to the subpart and the operating limitations in Table 2b to this subpart which apply[ to yu," Please see the discussion below in Section 07 for details of requirements for these engines. NSPSLL Is the engine subject to NSPS LIP I I 1Erd",-4 °j These engines will commence construction after lune 12, 2006 and will be manufactured after July 1, 2007 (engines with maximum power greater than or equal to 50O HP). As a result, these engines are subject to NSPuuo. 18WE0053,CPIAlsm RICE Emissions Inventory Section 07 -Technical Analysis Notes Additional Notes: ;) 1 -An mitialcompliance t.t For ths enginewlll he requ fredberthe fa limning reasons:le)the engine hasacantrol device and a neme-nlate raznggreaterthan 500 HPand(II) Thafeullty s nMtheticminnr f Land VOCp elfa as majorfer NOx andf fdehyd This flat compliance test is cans,meeirements:nth e general par+glt02for natural gas fired tecipro.Ing.internal combustion engines-Addi+Dally, the lnteaf canton rice test l4dfregnel>the engine be testedtor'other HAPr5lntattie operator Isreq irestfnga TES% control efficiency for all NAP ,,. 1. 2. Someof the requirements for thane engines udder MALTT7)1areoefodow• II$Table 2a-Redo,,hit emissions by93%er motet orllmttcexentmtion of formaldehyde lrrghostatlonelyRICE eehausttol4 ppmvdar less at 15 percent Oa. Based et the otelysespeofficationsheet' providedwtth the appli®tiOn,LOem Salons a eseduted by932%:(iii Table eb- maintain your catalyst..thatthe pressure drop atronthe catslitr does netdrarlge bymorethaebtociien ofwater at 100 percent bad pbs wisfienw 10 Percent framthe pressure drepaaoss the 'catalyst thatwasmeasuredduringthefnttlal performance test;end maintainthetvothetature of your s6dior®ydilCfohaustsothatthe catalyst ndettemperattrre¢greeterthare or emaatto 450TFaidtess than unequal to1350.f:Boih (these requirements are addressedwehtfieo&ht.plan included intheapphcatiaec(ol)Table 3- Engines ooerpiyfngwtthttie-regolremerstta red.eCOemmioos and a a not using CEM5 or engetennsetiplylegwah the requirerrem taitmhtberano eteewn offerrmldehyde in tin,tenonereelCE-tlrheustmustcanduttwbseguerrtpatTonnancetcrosemiannually-After•yw have demonstrated compliance£ rtw.o:conseMketeS., you mayreducethefregsfeesy'ofsebaegOentperfaraancetesfstaarmually, If the'resnksufanysut>eegeeltlartnualperfomsncetestindicatethestatioeary tICEieeet opmpBad w3tltthet0ot famaldehydeemssion irnaalon, tar you deviate'hataauy of your ope(ating limitatiuffi you mustresume semiannual perfrmaoretests. A eerlodietestteferencingihis requirement included lathe perfadfctestingtecimnofthapereu (lv)Table S-€nglnes ceenplyingwlth the tegeiremenetoeeducgeceemissions esfgan nerdat£oacatalyst end CPMSheve demonstratedfettlatiempllenct Wthe somas. reduction of:emlenieee of detene redfromtfieareielpedbrmencetest achievatheregorced COpee0e0teedeceiontand you bane Instated aCPMh t000ntleuousfy monitor catalyst inleteeinnetaeuee oeceedingtotle .4.f -ems,. i4636625tbJaudy0u have recorded theaatale,tprgsy dmpand -P.O. inlet temperature dunes the min. perfennenooteat Engines coetplyng Ieletherequhememto Port the €onierttraton off oomaldehydelo hestatinrratytla€extiaust and Being aft OXIdoelencatelystha. demoretfated fed tal corn.. o lithe dowses formaldehydecona000000Mn, %wrestedto 15 TierceeOOs onv bans, from the throetest meets eesst.an aregeafie the formaldehydaemiaa@an IimtFagerq and you have installed EPM5to contineousty monitor eatalystleletttempehgmraaccordingto the ragmmmeetsin§65.6625(b)iend you havereooydedthecatalysrgress0ra drop and eatalyotintettomperatare during the: lethal perf ,oaocotesL(v)Tebtes- Englieeseomplyingwdbthe -requirement to redoseCOemsero s sing:. n xtdat on caialystand using a: CPM5must demeeshatemntirmoas cdmplance Ry iondoding semi mreel performancetestsfor C4tademanstratethattha. required CO percent redo.. ts achtevet and collecting the eaten,. inlettenmereturedata. eoonrdingto 463.6625(b1taod'rediaingthesedatai 411ourroO,rgaverages, andmantajeingthe 4-baur'coigne averages within the - operating Ilmrt.ensforthentalyst lniettemperazum; and eressudngthe proswredropecromthe catalyst once per month neddemensteaeltegthat the pressure drop acressthe catalyst Owhhln the operatingg ifinaatian established &ningths performaneetat Engines. complying with thevequiremerrcm lima tleetanceoeoarionot000rreldetiyde In the stationery BICpeshrnueAand:using en oxidatleo catalyst mratdetreee rate'contnuofis complierhyoondudingsemiennual performancaiesteforformaldehedeta demonstrate that youremissionsremain at orbebwtlaeformeldehydemnreeeeaeen Brad;aed byfalbwmg:the furadditionaltequiremeotr listed in the W vioussentence. 3. The eatalystspecifinetfoo sheet fndirateethe guaraoteed'destmdfon eftiejeoeyfet CO. 902%. itwAdinditates the formatdelrytle nob, exhacrenbnuld beats level M6pWMdat15%O,111.e vabnh .rem theeeiiss vn limn... speadied. MACTZZZZZ2. .. d As discussed above, these engines are subject to NSP51 c however, NSP81111 hasaatheen adapted.. Colorado's regulations. As rondo, the NSP51111 req irementwglhe included In the notesto permit hoetotbedWe. This engine n subject tothp emissloa standards inTahie 1 farglgiees great.'thetl 500 NP that were manufacturedefrerO7/01/2011CTheaestendaetla era'as follow: (I)Nox -1.0 gt he, CO CO.2.0g/hp.hrand . (iii) VOC-0 7 dim. ho Based on the information provided by the operator, theca. rolled emdsn n factors fns these pollutants:amasfoliow: flj NOx -05 guhphr,. fill CO 0.16 g(bp-hr and '(0010cC.-0,14 g lls-hn These controlled emission factors ere belowtherequited em-ssionathndards inTable_1, S. The coorplianre,eequlrementsfot this engine In N5P61113:are listed Ie§e0.4243(b)(1)or(2). farteF eeetheserequirereeotsareasfollow-tl)g60424tlbgittfurchasingan engfne.eertrfbdaceardingfo procedures specified in thi4.subpart, for the samomodel year:' and demonstrating compliance adcoMing gone-ofthe metbodesperredinparegmpie(a) ofthis sedmn.bi)§6eseaelbg2fPurchasinga nom certified eegieeanddemomiradngcorr1pda0cewrth the embeoettandaedsspeceede 5t44232„Cd) or;ekand accordingtotheeegoaemeotsspecified in460,4244, asappi ohl , and a...fogte paeegraphi(bt(z}(sland lip of this section, 0160.4243(b)(2t(ifl If you are an owneroroperaterofastetionerysl internal combustioneiiette,eater Man 50011P, yea must Mena !meintenanreplanandretotdi Hf condudg3maintenance and mush. COihee%taRtpracticable, malnta doper0peraCethe eiig(nelrcamanner mnsMentwiNgOastair poutiancontrol practice for rcdnimf;tng¢missbns.m addition, yon mart' mnduttaeoinPietperfhrmanretestand conduct subsequent perfOrmancelestiagevers e,7Shhaueeor3 years, whichever comes first;ther.fter to demonstrate compliance. 5. Netelanniite Caterpillar engine sbespen'fic technical data aheetIndlaetesthe NMNENC ernissionErctors do net includedatiehydes,As a result the formaldehyde embsleeiectoefraenthe Me ufaeturex Sped(±4341.h;51fYet2ndthe .acetaldehyde and atttileinelm55i0nf2CiamfmmAP-42 were added YOtIrYV➢L emission faMOt.The- WltirtaEbnk-safeness: . ; (I)Ga0vert Ao¢eafdah,dele,dhtlolY n emission factors from lh/MM Ertu to g/hP-hr. Acetaldehyde.(0i008361b(MMBtufr(1Mh410Euf1,00P0608W)"(7368,0Wil Ip-hrS"(453.592x 0.02794 g/fip:hr; acre., 0.r-06I4Ib/MMBtilijt(bMMneotO,000,0009tujt(Td6B gt, jlrp-hr(e(463Sta 8{114. thOiCO$'g/he ht(II)4etermllfe Total VOC eorlsoon factor -WC IFIe/dp-hrj IO 23gfhp-hr}«I0,20'g/,bp hullo,£12794g1bebopa(0.01718 thP-hr(d 0A751pjhp-hr- eaperatorprovided the following leiormmrontromthe manufacturer regarding the opetation of the NOxsensor associatedw*lr Nose engines: 606RBise feonbum engine designthett es theAPS44(AtI aced Dig Net Er5fmt+tanagemmdjegrrtrotsystarrr. The APE M4ptectromcconhofsmtegmte simVstopmpahtties,. gwegnteing.engine vinihwing ARC (air frreloeebronee2.tninmrdiminganddemnethe rnnHAs intoanemreprehenafve engine tonvotsloerehrepimam performanrcand reliability. axed by,.NOtrsensorcer ismnmunicaeedea rfreAOEMt-KA4 Asfeefandsite mnduonsrtnrrees; the NOx sensor eommumcates to the eegirreADEM4 engine contra lieraMndjiats tile.sr.-4tcelmrcwee ceded. mm0tarnemsbm; The cusrorrerproemtnrmbie 'OesvedEngrne Exlmusrao> (Sett.," con bewrried in anderm effect the air/f iel:mr . The desired NOe levefisusedtaadjus.drefoeICorrection factor (Fa), The ADEM4 -EfhYdetermines the fuel command to the fuel metering valve. NOksensordndieanbarn techontagyprovrdes a room ...rear csnrrolover dine, regoreess fcbongesunollmateeropezoeing conditions. Thisdesign greatly teduces time previously spent adjusting: rich bum engioe.;parometereeomeetem.stonsrequrretherst. Fmmeureipeebence, (he Amu 'sensor Ise durable. ensorthorhos afairly tong /*expectancy..fede eeeepublisha required eeptaeeeteeedatefor the NM seam. As needed, the pewtorsem recatibrate the NOlrsedsor through CATEI-(E/ectronlc reClorloonj When y.. can notonger dlofto:iheemissronswitB.a.stack wllbmtio% the,ymtrresSfrephrcrhesensoc-" eased onthisrnfomwhoonREX indlcatedtheywillfallenh theNCosensR'cabbratimrxladule gxihemenufadurer recommeadetiwcaml replace the NOxsensoras needed. ftshouldbehother notedt gIX ironodsmmonitortheNdx sensor oaaweekly basit.Thk monitoring will include -e rewewoftlie_etigwe'0EkttmntcoontrMMotluie$EEM)iorany diagnoneOcodes- infomatiantegarding: engine diagnostic. codes may be feuhd.le the eeaebmerrtieduded'wah tb6.01&M plan.. RE%fedkatedebe obsonce ofa diagrmttloeverrt codeot+descepmbfe comilst doe and Titer remperorirres indicate mar the engine Is opemthrgprapedywith acceptable ern wore," _This information e indudedbieretepruvideaddttional details with regent to the tefaetnatieo included in iheNOM pled. 8- The modeling report forthis fxilky recommended the fw0owing.perms condalonst hi( ItovrsaEopoeatioe: Modeledlmpenowemeytimatedassopmgtnat eheopam lennnftestiergaheemeresn peanerat foribe retptthe hourOWore essumedte beaetviforfMsactivily, The poemitshauldcommn a tbadololethee(ottheduri gene iormlli be reowOitedtoohoure/deditoOt5uwoemto2.'Ot prel Gh FencbgapdPreclusion of Public Access, Impacts were estimated at ambientair receptors onfyh.e'ran ambient air boundary and fe coodelonthattbrthe duration of the permh ~wanes, the source operatorshall malotem onoOltuousfenclegafongthe he0047nyde attached atthe end of this report.Public access into -these areas shall be precluded.. pip stanln eiglsts:Modeled impact were estimated assuming stack heights Indicatedasrekase heightsinAppends. Stables ofthecanuary2018 submittal"REX Cheyenne NunEahancement PMjeCtifer DispersT.Modellng 8eporteThe permit 5hould contain acondrtion that chefacilhgbesonstructedwdhthe layout depend 2-7,2-6 and Append* Gmt(ieahmeireemiened modeling (N}Layouto£5burtes:M-edeledunpectewem estimated.... thathe recazlon and layout of Mess and aourceswithin thefaafitymrrespondto the one indicated in Fguso 2.3,2'.4, 2.7,2.8 and AppeeMcC oftheiaruary 2018 sobmdtet^BEX Cheyenne NubEohanoement Project Airelnpersi0R Modeling enpert."The pentad Sh aald contain a condition that the facility 6hontd heconstructed'' wlththe layout dep&eed krtheafarement onedf' fi--- - gures. Thesetsrdddons are addressed in condition 22-25in thepermlt 9, The operatOrreo ewedthe draft permit andpwvlded the, applicael000r :Ials.Oheopena erreulewedtheeesporwesproc Section 08- Inventory SCC Coding and Emissions Factors AIRS Paint g 005-010` Process p 01 C Code sand questions. Riesecort etlend expressed they had and quest onsas well a edtoahours/dayfrorn 6:00 amta2-a)a Emsslonrates.:the model ermk?f(ottiveness,the hours of nearadonoftesting dle emergency named in the medelingrmepoem001ocldcontain a gore o'Aoedated lmagesent via emaiton Aprn%2010 and Uncontrolled Emissions Pollutant Factor Control % Units provided ate avatlabl'eloth PM10 0.010 0.00% b/MMBtu PM2.5 0.01.0 0.00% b/MMBtu NOx 1.4961E-01 0.00% b/MMBtu VOC 0.142 70.53% b/MMBtu CO 0.664 93.24% MMMBW Formaldehyde 5.98E-02 76.50% b/MMBtu Acetaldehyde 8.36E-03 76.50% b/MMBlu Acrolein 5.14E-03 76.50% hiMMBtu Methanol 250E-03 76.50% hiMMBN Benzene 4.40E-04 76.50% b/MMBIU Toluene 4,00E-04 76.50% bIMMBN Ethylbenzene 3.97E-05 76.50% b/MMEitu Xylene 1.84E-04 76.50% b/MMEItu n -Hexane 1.11E-03 76.50% b/MMBtu 2,2,4-TMP 150E-04 76.50% IbIMMBtu 1,3 -Butadiene 267E-04 76.50% b/MMetu 'Points 005010 cover the same engine make and model. As such, this spreadsheet provides an analysis for each engine ore emissions are identical from each. 1SWE0053.CP1xlsm Natural Gas Venting Emissions Inventory Section al - Administrative Information Facility AIRs ID: 123 County 6282 Plant 012 Section 02 - Equipment Description Details Natnrafga$venting from the maintenance blowdowns of Detailed Emissions Unit Description: Emissions framthis source are vent Emission Control Device Description: Requested Overall VOC & HAP Control Efficiency 98: Section 03 - Processing Rate Information for Emissions Estimates Compressor Blowdown Volume= Requested Compressor Blowdown Events= Actual Compressor Blowdown Events= Actual Gas Throughput = Requested Permit Limit Throughput = Potential to Emit (PTE) Throughput = Heat Content = Section 04 - Emissions Factors & Methodologies 124E-01'.: MMscf 216 events/year 1 0 events/year 0 MMscf per year 26.78 MMscf per year 26.78 MMscf per year .1D50;-Btu/scf Description Emissions forihls source are calculated utilizing the mole % and molecular weightfiama representative gas sample based on weighted average of gas analyses from the supplying gas processing plant; in the DS Basin. The gas samples used in thewoighted average'. were all obtained in the. 2017 calendar year:The volume used in the emissioncalculation is based on an engineering estimate of the compressor volume. This volume wps then scaled by the number of bigvzdown events. The number of blowdown events is estimated based on a almilaroompressor staron currently in operation. This data, in conjunction with the displacement equatiotr a below) was utilized to estimate'.emissionsfrom this source. Displacement Equation Ex=Q'MW'Xx/C Ib/Ib-mol Pollutant Mole % MW Ibx/Ibmole Mass Fraction Helium 000 44026. 0.00 0.00E+00 CO2 .329 44.01 0.61 3.50E-02 N2 2853 0.08 4.46E-03 methane 91,5?; 16.0425 14.68 8.41E-01 ethane 5.,206 30.069 1.97 1.13E-01 propane 0'357 44,0956 0.11 6.07E-03 isobutane 3'372 50,1222 0.01 3.00E-04 n - butane 7.010 58,1222 0.01 3.40E-04 isupentane - 3.002. 72,1400 0.00 7.02E-05 npentane 0001 721492 0.00 4.13E-05 cyclopentane +.0900. 70.1330 0.00 0.00E+00 n -Hexane - 4.40% 36.754 0.00 6.42E-05 cyclohexane 0.470.1 84.161 0.00 0.00E+00 Other hexanes 0,501 86,1751 0.00 0.00E+00 heptanes 0 0?: 100,10 9 0.00 5.16E-05 methylcyclohexane _-7."0 98127:?; 0.00 0.00E+00 224-TMP 114.231 0.00 0.00E+00 Benzene 1.313 78.1..4 0.00 0.00E+00 Toluene .= 92.141 - 0.00 0.00E+00 Ethylbenzene 0..000 '_os E0:" 0.00 0.00E+00 Xylenes ^_i8C9 Cb337 0.00 0.00E+00 C8+ Heavies 0t0 =1'723 0.00 2.62E-05 Total VOC Mole % 100.00 0.26 17.46 6.92E-03 6 of 8 K:\PA\2018\18 W 40053. CP1xl sm Natural Gas Venting Emissions Inventory Emission Factors Compressor Slowdowns Pollutant Uncontrolled Controlled lb/event lb/event (Compressor Blowdown) (Compressor Blowdown) VOC 39.4664 0.0000- 0.0000 39.4664 0.0000 0.0000 0.0000 0.0000 0.3661 0.0000 Benzene Toluene Ethylbenzene Xylene 0.0000 0.0000 0.3661 0.0000 n -Hexane 224 -IMP Pollutant Primary Control Device Emission Factor Source Uncontrolled (Ib/MMBtu) (Waste Heat Combusted) Uncontrolled Ib/MMscf (Gas Throughput) PM10 PM2.5 0.000 0.000 0.000 0.000 0.000 SOx NOx CO Section 05 - Emissions Inventory Emission Factor Source Criteria Pollutants Potential to.Emit Uncontrolled (tons/year) Actual Emisions Uncontrolled Controlled (tons/year) (tons/year) Requested Permit Limits Uncontrolled Controlled (tons/year) (tons/year) PM10 PM2.5 500 NOx VOC CO 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.26 0.00 0.00 4.26 4.26 0.00 0.00 0.00 0.00 0.00 Hazardous Air Pollutants Potential twEmit Uncontrolled (lbs/year) Actual Emissions Uncontrolled Controlled (lbs/year) (lbs/year) Requested Permit Limits Uncontrolled Controlled (lbs/year) (lbs/year) Benzene Toluene Ethylbenzene Xylene n -Hexane 224 IMP 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 79.09 0.00 0.00 79.09 79.09 0.00 0.00 0.00 0.00 0.00 Section 06 - Regulatory Summary Analysis AQCC Regulation 1 Section II.A.1 - Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in excess of 20% opacity. This standard is based on 24 -consecutive opacity readings taken at 15 -second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix A (July, 1992)) in all subsections of Section II. A and 0 of this regulation. AQCC Regulation 2 Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." NSPS 0000a - Standards of Performance for Crude OiLand Natural Gas Facilities for which Construction, Modification or Reconstruction Commenced After September 18, 2015 NSPS 0000a applies to "Each reciprocating compressor affected facility, which is a single reciprocating compressor," that commenced construction, modification, or reconstruction after September 18, 20T5. According to the application, the compressors associated with the compressor blowdowns are reciprocating compressors and will be installed after 09/18/15. As a result, the compressors are subject to NIPS 00000. NSPS 0000a has not been incorporated in the Colorado's state regulations. As a result, the condition referencing NSPS 00000 will be contained in the notes to permit holder section of the permit. Section 07- Initial and Periodic Sampling and Testing Requirements Does the company use site specific emission factors based on a gas sample to estimate emissions? This sample should represent the gas vented during thexompressor blowdown events covered under this AIRS ID, and should have been collected within one year of the application received date. However, if the facility has not been modified (e.g., no new wells brought on-line), then it may be appropriate to use an older site -specific sample. If no, the permit will contain an "Initial Testing Requirement" to collect a site -specific gas sample from the equipment being permitted and conduct an emission factor analysis to demonstrate that the emission factors are less than or equal to the emissions factors established with this application. Section 08 -Technical Analysis Notes 1. According to the application, the gas :composition used for compressorblowdois based on a weighted average of gas analysesfrom the supplying gas drocessir' vi lies n thef339astn. The ails analyses clude_n the ,.zgned average incorporate vales from the Lucerne and Me'Nbourngas ptants Inadditionion to the current fa":ii'i gas composition. Smut thisconipos.tion is ane.st:mate of in: nature, gas composition at thisfacility, in inkiel compliance-ese'artll be I0G(q(tEYgfraRipiethe Inset gas 3lpNi l Y 3' bar of blowdowns per year requested -for permitting is based on prior blowdown events thaoccu ri=d i on owned -and operated by Rockies E press Pipe.'in 3. The eotume of gas estimated for each compressor blowdown takes into account the following volumes: .. (i) Sua or.. e.Cmc of ,he compressor including the suction snubbers {2) suction bottle_ t2), suction hies and suction header. (i,) Discharge volume of the compressor i dudmg the discharge bottles (2), discharge lines and ci schar header. (iii) Annular volume of the six (6) cylinders This v igtnal calculated volume is assumed to be. atagauge pressurepsiaTnn i.. volume is then converted to atmospheric pressure (11.76 pit - Cheyenne Wyoming) using the combined gas law in, V - ZP,Vz) This currvel Sion was necessary because the compressor blowdown volurne isvonted to tits atmoephere, As':. such, the volume of gas at 11.75 psi was utilized to tabulate permitted em issions for is sou rte. ,4. This source is permitted based on the number ofbicwdown events that occur peryear As such, the ocerator,ail ,nonstrata comalia nc_ wall the ;process Inn n by monitoring the number of eveets that' occu each year. Toe number of nts will then be mu dotted by She emissinn faaorliu the notes to permit holder (lb/event) in order 'o:.aiculate emisslore "rid de' o�s'.rate <ornp,'once wdh 7 of 8 K:\PA\2018\18 W E0053. CP1.xlsm Natural Gas Venting Emissions Inventory AIRS Point # 012 Process # 01 permit because n -Hexane emissionsare below APES reporting thresholds (250 it/year SCC Code Section 09 - Inventory SCC Coding and Emissions Factors Uncontrolled Emissions Pollutant Factor Control % Units PM10 0.00 0 Ib/MMscf PM2.5 0.00 0 Ib/MMscf SOx 0.00 0 Ib/MMscf NOx 0.00 0 Ib/MMscf VOC 318.28 0 lb/MMscf CO 0.00 0 Ib/MMscf Benzene 0.00 0 Ib/MMscf Toluene 0.00 0 Ib/MMscf Ethylbenzene 0.00 0 Ib/MMscf Xylene 0.00 0 Ib/MMscf n -Hexane 2.95 0 Ib/MMscf 224 TMP 0.00 0 Ib/MMscf 8 of8 K:\PA\2018\18 W E0053. CP1.xlsm CONSTRUCTION PERMIT Permit number: Date issued: Issued to: 18WE0053 Facility Name: Plant AIRS ID: Physical Location: County: General Description: Issuance: 1 Rockies Express Pipeline LLC REX Cheyenne Hub Compressor Station 123/6282 65205 US Highway 85, Carr, CO 80612 Weld County Natural Gas Compressor Station Equipment or activity subject to this permit: Facility Equipment ID AIRS Point Equipment Description Emissions Control Description CR 5001 005 One (1) Caterpillar Model: G3616 SN: TBD natural gas fired, turbocharged, 4SLB reciprocating internal combustion engine, site rated at 5,350 HP. This emission unit is used for natural gas compression. Selective oxidation catalyst and air -fuel ratio control CR 5002 006 One (1) Caterpillar Model: G3616 SN: TBD natural gas fired, turbocharged, 4SLB reciprocating internal combustion engine, site rated at 5,350 HP. This emission unit is used for natural gas compression. Selective oxidation catalyst and air -fuel ratio control CR 5003 007 One (1) Caterpillar Model: G3616 SN: TBD natural gas fired, turbocharged, 4SLB reciprocating internal combustion engine, site rated at 5,350 HP. This emission unit is used for natural gas compression. Selective oxidation catalyst and air -fuel ratio control CR 5004 008 One (1) Caterpillar Model: G3616 SN: TBD natural gas fired, turbocharged, 4SLB reciprocating internal combustion engine, site rated at 5,350 HP. This emission unit is used for natural gas compression. Selective oxidation catalyst and air -fuel ratio control COLORADO Air Pollution Control Division pvtment PLtd c Werash 6 E;virmnmei;t Page 1 of 23 C ; 500 0 i ' n- ° 1) C - !il1ar del: G3616 SN: TBD a I ga i '' d, to ocharged, 4SLB eci •` • ca g intern combustion engine, ite ,350 This emission unit is used for natural gat compression. Selective oxidation catalyst and air -fuel ratio control CR 5006 010 One (1) Caterpillar Model: G3616 SN: TBD natural gas fired, turbocharged, 4SLB reciprocating internal combustion engine, site rated at 5,350 HP. This emission unit is used for natural gas compression. Selective oxidation catalyst and air -fuel ratio control Comp BD 012 Natural gas venting from the maintenance blowdowns of six (6) reciprocating compressor units. None Points 005-010: These engines may be replaced with another engine in accordance with the temporary engine replacement provision or with another Caterpillar G3616 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 Pollution Prevention and Control Act (C.R.S. 25-7-101 et seq), to the specific 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 Air Pollution Control Division (the Division) no later than fifteen days of the latter of commencement of operation or issuance of this permit, by submitting a Notice of Startup form to the Division for the equipment covered by this permit. The Notice of Startup form may be downloaded online at www.colorado.gov/pacific/cdphe/other-air-permitting- notices. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation Number 3, Part B, Section III.G.1. and can result in the revocation of the permit. 2. Within one hundred and eighty days (180) of the latter of commencement of operation or issuance of this permit, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self -certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. A self certification form and guidance on how to self -certify compliance as required by this permit may be obtained online at www.colorado.gov/pacific/cdphe/air-permit-self- certification. (Regulation Number 3, Part B, Section III.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. (Regulation Number 3, Part B, Section III.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. (Regulation Number 3, Part B, Section III.E.) ;COLORADO I Air Pollution Control Division Jrp[u'r ent t e ith Emvoronent Page 2 of 23 5. Point ' 0 . The ,' , wing • mati • shall be provided to the Division within fifteen (15) ration or issuance of this permit. date • onstruction date • Order date • Date of relocation into Colorado • Manufacturer • Model number • Serial number This information shall be included with the Notice of Startup submitted for the equipment. (Regulation Number 3, Part B, Section III.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. (Regulation Number 3, Part B, Section II.A.4.) ) Monthly Limits: Facility Equipment ID AIRS Point Pounds per Month Emission Type PM2.5 NO, VOC CO CR 5001 005 --- 4,399 1,240 1,325 Point CR 5002 006 --- 4,399 1,240 1,325 Point CR 5003 007 --- 4,399 1,240 1,325 Point CR 5004 008 --- 4,399 1,240 1,325 Point CR 5005 009 --- 4,399 1,240 1,325 Point CR 5006 010 --- 4,399 1,240 1,325 Point Comp BD 012 --- --- 731 --- Point Note: Monthly limits are based on a 31 -day month. The owner or operator shall calculate monthly emissions based on the calendar month. Annual Limits: Facility Equipment ID AIRS Point Tons per Year Emission Type PM2.5 NO, VOC CO CR 5001 005 --- 25.9 7.3 7.8 Point CR 5002 006 --- 25.9 7.3 7.8 Point CR 5003 007 --- 25.9 7.3 7.8 Point COLORADO Air Pollution Control Division tkpsrnneru Jf Vibtc }ftv th. it Fo^,:noNrir�:t Page 3 of 23 CR 5006 010 R ;' 0 0 25.9 7.3 7.8 Point 25.9 7.3 7.8 Point 25.9 7.3 7.8 Point Comp BD 012 4.3 Point Note: See "Notes to Permit Holder" 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 annual emission limitations is required. After the first twelve (12) months of operation, compliance with only the annual limitation is required. Compliance with the annual limits, for criteria pollutants, 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 actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 8. The emission points in the table below shall be operated and maintained with the emissions control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit. (Regulation Number 3, Part B, Section III.E.) Facility Equipment ID AIRS Point Control Device Pollutants Controlled CR 5001 005 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP CR 5002 006 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP CR 5003 007 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP CR 5004 008 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP CR 5005 009 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP CR 5006 010 Selective Oxidation Catalyst and Air -Fuel Ratio Control VOC, CO and HAP 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 rates shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Regulation Number 3, Part B, II.A.4.) Process Limits Facility Equipment ID AIRS Point Process Parameter Annual Limit Monthly Limit (31 days) CR 5001 005 Consumption of natural gas as a fuel 328.9 MMSCF 27.93 MMSCF CR 5002 006 Consumption of natural gas as a fuel 328.9 MMSCF 27.93 MMSCF COLORADO Air Pollution Control Division ` ?w t bent of Public b} euth v E vu^^Y9neert Page 4 of 23 r �' umpt n of n. r I gas . a fuel 328.9 MMSCF 27.93 MMSCF R 04 ' 08 onsumpt n of n • ral gas . a fuel 328.9 MMSCF 27.93 MMSCF CR 5005 009 onsumption of natural gas as a fuel 328.9 MMSCF 27.93 MMSCF CR 5006 010 Consumption of natural gas as a fuel 328.9 MMSCF 27.93 MMSCF Comp BD 012 Compressor blowdown events 216 events 18 events The owner or operator shall monitor monthly process rates based on the calendar month. Points 005-010: Fuel consumption shall be measured by one of the following methods: individual engine fuel meter; facility -wide fuel meter attributed to fuel consumption rating and hours of operation; or manufacturer provided fuel consumption rate. During the first twelve (12) months of operation, compliance with both the monthly and annual throughput limitations is required. After the first twelve (12) months of operation, compliance with only the annual limitation is required. Compliance with the annual throughput 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 throughput each month 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 ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001) shall be marked on the subject equipment for ease of identification. (Regulation Number 3, Part B, Section III.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 minutes in any sixty consecutive minutes. (Regulation Number 1, Section II.A.1. & 4.) 12. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable) 13. Points 005-010: These sources are subject to the requirements of: • Regulation Number 8, Part E, Subpart III.ZZZZ: National Emission Standards for Hazardous Air Pollutants for Stationary Reciprocating Internal Combustion Engines (RICE) of 40 C.F.R. Part 63, Subpart ZZZZ, and • Regulation Number 8, Part E, Subpart I.A., National Emission Standards for Hazardous Air Pollutants for Source Categories: General Provisions, 40 C.F.R. 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 RICE with a site rating of more than 500 brake HP located at a 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 • Limit concentration of formaldehyde in the stationary RICE exhaust to 14 ppmvd or less at 15 percent 02. COLORADO Air Pollution Control Division a:p rtt,krt d Publt Hei3P:^. £ k,^eoonrnerit Page 5 of 23 operate a new or reconstructed 4SLB stationary RICE han 500 brake HP located at a major source of HAP with the following operating limitations (Table 2b, • 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, operating limitations, and other requirements in this subpart that apply to you at all times o §63.6605(a) - At all times you must operate and maintain any affected source, including associated air pollution control equipment and monitoring equipment, in a manner consistent with safety and good air pollution control practices for minimizing emissions. The general duty to minimize emissions does not require you to make any further efforts to reduce emissions if levels required by this standard have been achieved. Determination of whether such operation and maintenance procedures are being used will be based on information available to the Administrator which may include, but is not limited to, monitoring results, review of operation and maintenance procedures, review of operation and maintenance records, and inspection of the source. • 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 this subpart 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 - You must conduct subsequent performance tests semiannually (per Table 3, 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 §63.6625(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 paragraphs (b)(1) through (6) of this section. • §63.6625(b)(1) - You must prepare a site -specific monitoring plan that addresses the monitoring system design, data collection, and the quality assurance and quality control elements outlined in paragraphs (b)(1)(i) through (v) of this section and in §63.8(d). As specified in §63.8(f)(4), you may request approval of monitoring system quality assurance and quality control procedures alternative to those specified in paragraphs (b)(1) through (5) of this section in your site -specific monitoring plan. COLORADO Air Pollution Control Division DPf_?t reent of tYub I }ee: * ra € Nir rsnent. Page 6 of 23 6625 '' )(1)(i) - The performance criteria and design specifications for the monitoring system equipment, including the sample interface, detector signal analyzer, and data acquisition and calculations; • §63.6625(b)(1)(ii) - Sampling interface (e.g., thermocouple) location such that the monitoring system will provide representative measurements; • §63.6625(b)(1)(iii) - Equipment performance evaluations, system accuracy audits, or other audit procedures; • §63.6625(b)(1)(iv) - Ongoing operation and maintenance procedures in accordance with provisions in §63.8(c)(1)(ii) and (c)(3); and • $63.6625(b)(1)(v) - Ongoing reporting and recordkeeping procedures in accordance with provisions in §63.10(c), (e)(1), and (e)(2)(i). ■ $63.6625(b)(2) - You must install, operate, and maintain each CPMS in continuous operation according to the procedures in your site -specific monitoring plan. • $63.6625(b)(3) - The CPMS must collect data at least once every 15 minutes (see also §63.6635). ■ §63.6625(b)(4) - For a CPMS for measuring temperature range, the temperature sensor must have a minimum tolerance of 2.8 degrees Celsius (5 degrees Fahrenheit) or 1 percent of the measurement range, whichever is larger. • $63.6625(b)(5) - You must conduct the CPMS equipment performance evaluation, system accuracy audits, or other audit procedures specified in your site -specific monitoring plan at least annually. • $63.6625(b)(6) - You must conduct a performance evaluation of each CPMS in accordance with your site -specific monitoring plan. o §63.6625(h) - If you operate a new, reconstructed, or existing stationary engine, you must minimize the engine's time spent at idle during startup and minimize the engine's startup time to a period needed for appropriate and safe loading of the engine, not to exceed 30 minutes, after which time the emission standards applicable to all times other than startup in Tables 1a, 2a, 2c, and 2d to this subpart apply. o §63.6630(a) - You must demonstrate initial compliance with each emission limitation, operating limitation, and other requirement that applies to you according to Table 5 of this subpart. o §63.6630(b) During the initial performance test, you must establish each operating limitation in Tables 1 b and 2b of this subpart 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 Requirements o §63.6635(b) - Except for monitor malfunctions, associated repairs, required performance evaluations, and required quality assurance or control activities, you must monitor continuously at all times that the stationary RICE is operating. COLORADO Air Pollution Control Division D,:partz)}ent of. Pub*: h4e£ith. E;;virOnmef;t Page 7 of 23 A monitoring malfunction is any sudden, infrequent, not reasonably preventable failure of the monitoring to provide valid data. Monitoring failures that are caused in part by poor maintenance or careless operation are not malfunctions. You may not use data recorded during monitoring malfunctions, associated repairs, and required 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, operating limitation, and other requirements in Tables la and 1b, Tables 2a and 2b, Table 2c, and Table 2d to this subpart that apply to you according to methods specified in Table 6 to this subpart. o §63.6640(b) - You must report each instance in which you did not meet each emission limitation or operating limitation in Tables la and lb, Tables 2a and 2b, Table 2c, and Table 2d to this subpart 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 performance test to demonstrate that you are meeting the required emission limitation applicable to your stationary RICE. o §63.6640(d) - 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. Rebuilt stationary RICE means a stationary RICE that has been rebuilt as that term is defined in 40 CFR 94.11(a). o §63.6640(e) - You must also report each instance in which you did not meet the requirements in Table 8 to this subpart that apply to you. • Notifications, Reports, and Records o §63.6645(a) - 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 if you own or operate any of the following; ■ $63.6645(a)(4) - A new or reconstructed 4SLB stationary RICE with a site rating of greater than or equal to 250 HP located at a major source of HAP emissions. 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 to this subpart, 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 to this subpart that does not include a performance test, you must submit the Notification of Compliance Status before the close of COLORADO it Pollution Control Division ,:lent = Heia th s &--.riron tent Page 8 of 23 business on the 30th day following the completion of the initial compliance demonstration. 66 > (h)(2) - For each initial compliance demonstration required in Table 5 to this subpart 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 this subpart 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 paragraphs (a)(1) through (a)(5), (b)(1) through (b)(3) and (c) of this section. o §63.6655(d) - You must keep the records required in Table 6 of this subpart to show continuous compliance with each emission or operating limitation that applies to you. o 563.6660(a) - Your records must be in a form suitable and readily available for expeditious review according to $63.10(b)(1). o §63.6660(b) - As specified in 563.10(b)(1), you must keep each record for 5 years following the date of each occurrence, measurement, maintenance, corrective action, report, or record. o 563.6660(c) - You must keep each record readily accessible in hard copy or electronic form for at least 5 years after the date of each occurrence, measurement, maintenance, corrective action, report, or record, according to §63.10(b)(1). • Other Requirements and Information o §63.6665 - Table 8 to this subpart shows which parts of the General Provisions in §S63.1 through 63.15 apply to you. OPERATING Et MAINTENANCE REQUIREMENTS 14. Points 005-010: Upon startup of these points, the owner or operator shall follow the most recent 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 the O&M plan are subject to Division approval prior to implementation. (Regulation Number 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 15. Points 005-010: A source initial compliance test shall be conducted to measure the emission rate(s) for the pollutants listed below in order to demonstrate compliance with the emission limits in this permit. The test protocol must be in accordance with the requirements 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 limitation shall have the test results projected up to the monthly or annual averaging time by multiplying the test results by the allowable number of operating hours for that averaging time (Regulation Number 3, Part B, Section III.G.3.). Oxides of Nitrogen using EPA approved methods. Carbon Monoxide using EPA approved methods. COLORADO Air Pollution Control Division ,pertt . r Pu6€i_ Fieaisn s i-Mronmzrt Page 9 of 23 PA approved methods. ethods. proved methods. 16. Points 005-010: These engines are subject to the initial testing requirements of 40 C.F.R. Part 63, Subpart ZZZZ. 17. Point 012: The owner/operator shall complete an initial site specific extended gas analysis ("Analysis") within one hundred and eighty days (180) after commencement of operation or issuance of this permit, whichever comes later, of the natural gas vented during compressor blowdowns in order to verify the VOC content (weight fraction) of this emission stream. Results of the Analysis shall be used to calculate site -specific emission factors for the pollutants referenced in this permit (in units of lb/event) using Division approved methods. Results of the Analysis shall be submitted to the Division as part of the self -certification and must demonstrate the emissions factors established through the Analysis are less than or equal to, the emissions factors submitted with the permit application and established herein in the "Notes to Permit Holder" for this emissions point. If any site specific emissions factor developed through this Analysis is greater than the emissions factors submitted with the permit application and established in the "Notes to Permit Holder" the operator shall submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address this/these inaccuracy(ies). Periodic Testing Requirements 18. Points 005-010: These engines are subject to the periodic testing requirements of 40 C.F.R. Part 63, Subpart ZZZZ. 19. Points 005-010: These engines are 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. 20. Point 012: On an annual basis, the owner/operator shall complete a site specific extended gas analysis ("Analysis") of the natural gas vented during compressor blowdowns in order to verify the VOC content (weight fraction) of this emission stream. Results of the Analysis shall be used to calculate site -specific emission factors for the pollutants referenced in this permit (in units of lb/event) using Division approved methods. Results of the Analysis shall be used to demonstrate that the emissions factor established through the Analysis are less than or equal to, the emission factor submitted with the permit application and established herein in the "Notes to Permit Holder" for this emissions point. If any site specific emissions factor developed through this Analysis is greater than the emissions factor submitted with the permit application and established in the "Notes to Permit Holder" the operator shall submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address this/these inaccuracy(ies). ADDITIONAL REQUIREMENTS 21. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Regulation Number 3, Part A, II.C.) • Annually by April 30th 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 volatile organic compounds (VOC) and nitrogen oxides sources (NOr) in ozone nonattainment areas emitting less than 100 tons of VOC or NO, per year, a change in COLORADO Air Pollution Control Division EYirGnrr.?gt Page 10 of 23 ton per year or more or five percent, whichever is the last APEN; or ear or more, a change in actual emissions of five whichever is less, above the level reported on the last APEN submitted; 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. • Whenever there is a change in the owner or operator of any facility, process, or activity; or • Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or • Whenever a permit limitation must be modified; or • No later than 30 days before the existing APEN expires. • 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 owner or operator is exercising an alternative -operating scenario and is installing a permanent replacement engine. 22. The exhaust stack(s) for the following emission point(s) shall vent emissions at a point greater than or equal to the height specified in the table below: Facility Equipment ID AIRS Point Minimum stack height above ground level (m) GEN 001 7.62 150HTR1 002 5.486 150HTR2 002 5.486 VOL_EXCM 003 6.9 CR 5001 005 15.545 CR 5002 006 15.545 CR 5003 007 15.545 CR 5004 008 15.545 CR 5005 009 15.545 CR 5006 010 15.545 FG_HTR 011 6.4 NWHSHTR1 --- 5.486 NWHSHTR2 --- 5.486 VOL_N --- 6.4 23. This facility shall be completely enclosed by a fence line and posted with no trespassing signs that preclude public access to this site as depicted Figure 2-4 (updated image dated April 5, 2018) in the modeling analysis for this facility. This requirement is imposed as a result of the modeled ambient air NOx and PM2.5 impacts that result from the facility operations. (Regulation Number 3, Part B, Section III.B.5.) 24. The facility shall be constructed with the layout of sources and buildings depicted in Figures 2- 3, 2-4, 2-7, 2-8 and Appendix C of the January 2018 submittal "REX Cheyenne Hub Enhancement Project Air Dispersion Modeling Report." This requirement is imposed as a result of the modeled COLORADO Air Pollution Control. Division Est PuNEI 3 (CEd h S EY.^iuLrrik;t:t Page 11 of 23 ult from this facility. (Regulation Number 3, Part B, 25. ain .` "na c cks= nd :din .s testinj'if the emergency generator (Make: Generac, Model: S '-'9 - ov-. `..> poin shall be restricted to 8 hours/day from 6:00 am to 2:00 pm. Weekly records of maintenance checks and readiness testing shall be maintained by the owner or operator and made available to the Division for inspection upon request. This requirement is imposed as a result of the modeled ambient air NOx and PM2.5 impacts that result from this facility. (Regulation Number 3, Part B, Section III.B.5.) 26. 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 application for the Operating Permit is due within one year of the earliest commencement of operation of any piece of equipment covered by this permit. 27. The requirements of Colorado Regulation No. 3, Part D shall apply at such time that any stationary source or modification becomes a major stationary source or major modification solely by virtue of a relaxation in any enforceable limitation that was established after August 7, 1980, on the capacity of the source or modification to otherwise emit a pollutant such as a restriction on hours of operation (Reference: Regulation Number 3, Part D, VI.B.4). GENERAL TERMS AND CONDITIONS 28. 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 Number 3, Part B, Section II.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 29. 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 Number 3, Part B, Section III.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. 30. This permit is issued in reliance upon the accuracy and completeness of information supplied by the owner or operator 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 owner or operator or owner or operators agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 31. 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. 32. 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 owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. COLORADO Air Pollution Control Division Pub HetthEnviranrAent Page 12 of 23 33. Secti. 2 `„ .7(2) .R.S. : • fires t t all sources required to file an Air Pollution Emission ver the costs of inspections and administration. If a owner must notify the Division in writing requesting tion, annual fee billing will terminate. 34. 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: Harrison Slaughter Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Rockies Express Pipeline LLC Permit for six (6) 4SLB RICE and compressor blowdowns at a natural gas compressor station. Facility is now classified as major for NOx and formaldehyde with regards to Title V. COLORADO Air Pollution Control Division v:.rti ,tor Put*: We th 13 eraronrrtent Page 13 of 23 Notes ' Per H C t they oft -rmrt ,nuance: 1) Th ! perm ho e req :• pa e ' fort processing time for this permit. An invoice for these fe will,'- is< ed' ter he p -;mit issued. e permit holder shall pay the invoice within 30 days t r pay invoice will result in revocation of this permit. (Regulation Number 3, Part A, Section VI.B.) 2) 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 owner or operator 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 complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator 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 II.E.1 of the Common Provisions Regulation. See: https://www.colorado.gov/pacific/cdphe/aqcc-regs 4) 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. AIRS Point Pollutant CAS # Uncontrolled Emissions (lb/yr) Controlled Emissions (lb/yr) 005 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 141 34 Ethylbenzene 100414 14 4 Xylene 1330207 64 15 n -Hexane 110543 384 90 2,2,4- Trimethylpentane 540841 87 21 1,3 -Butadiene 106990 93 22 006 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 141 34 Ethylbenzene 100414 14 4 ICOLORADO Mr Pollution Control Division Dewtvnent PutA Heafth i E , ,t Page 14 of 23 ylene 1330 4 7 64 15 exa'`- 1105 : 384 90 Trimethylpentane 54 • 87 21 1,3 -Butadiene 106990 93 22 007 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 - 141 34 Ethylbenzene 100414 14 4 Xylene 1330207 64 15 n -Hexane 110543 384 90 2,2,4- Trimethylpentane 540841 87 21 1,3 -Butadiene 106990 93 22 008 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 141 34 Ethylbenzene 100414 14 4 Xylene 1330207 64 15 n -Hexane 110543 384 90 2,2,4- Trimethylpentane 540841 87 21 1,3 -Butadiene 106990 93 22 009 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 141 34 Ethylbenzene 100414 14 4 COLORADO Air Pollution Control. Division Pubs zt fey' . v Er:virarr:tzrt Page 15 of 23 Trimethylpentane 1105 54 64 15 384 90 87 21 1,3 -Butadiene 106990 93 22 010 Formaldehyde 50000 20,665 4,857 Acetaldehyde 75070 2,887 679 Acrolein 107028 1,775 417 Methanol 67561 864 203 Benzene 71432 152 36 Toluene 108883 141 34 Ethylbenzene 100414 14 4 Xylene 1330207 64 15 n -Hexane 110543 384 90 2,2,4- Trimethylpentane 540841 87 21 1,3 -Butadiene 106990 93 22 012 n -Hexane 110543 79 79 Note: All non -criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds per year (lb/yr) are reportable and may result in annual emission fees based on the most recent Air Pollution Emission Notice. 5) The emission levels contained in this permit are based on the following emission factors: Points 005-010: CAS Pollutant Emission Uncontrolled lb/MMBtu Factors - g/bhp-hr Emission Factors lb/MMBtu - Controlled g/bhp-hr N0x 1.5x10-1 0.5 1.5x10-1 0.5 CO 6.64x10'1 2.22 4.49x10-2 0.15 V0C 1.42x1O1 4.75x10'1 4.19x10-2 0.14 50000 Formaldehyde 5.984x1O2 0.2 1.406x1O2 4.7x10-2 75070 Acetaldehyde 8.36x10-3 2.794x10-2 1.96x10-3 6.57x10-3 107028 Acrolein 5.14x10-3 1.718x10-2 1.208x10-3 4.037x1O3 67561 Methanol 2.5x10-3 8.36x10-3 5.88x1O4 1.96x10-3 71432 Benzene 4.4x1O4 1.47x1O3 1.03x10-4 3.46x10-4 108883 Toluene 4.08x10-4 1.36x1O3 9.59x1O5 3.2x10-4 100414 Ethylbenzene 3.97x10-5 1.33x10-4 9.33x10-6 3.12x10-5 1330207 Xylene 1.84x10-4 6.15x1O4 4.32x10-5 1.45x10-4 110543 n -Hexane 1.11x10-3 3.71x10-3 2.609x10-4 8.718x1O4 540841 Trimethylpentane 2.5x10-4 8.36x10-4 5.88x1O5 1.96x10-4 106990 1,3 -Butadiene 2.67x10-4 8.92x10-4 6.28x1O5 2.1x10-4 Note: Emission factors are based on a Brake -Specific Fuel Consumption Factor of 7,368 Btu/hp-hr, a site -rated horsepower value of 5,350, and a fuel heat value of 1,050 Btu/scf. Emission Factor Sources: COLORADO Air Pollution Control Division zpasttr .: A E riirmrnent Page 16 of 23 A , l ant U ontrolled EFSource Controlled EF Source Manufacturer Manufacturer C;:; Manufacturer Manufacturer V. . Manufacturer Manufacturer 50000 Formaldehyde Manufacturer Manufacturer 75070 Acetaldehyde AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 107028 Acrolein AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 67561 Methanol AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 71432 Benzene AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 108883 Toluene AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 100414 Ethylbenzene AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 1330207 Xylene AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 110543 n -Hexane AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 540841 2'2'4 Trimethylpentane AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 106990 1,3 -Butadiene AP -42 Chapter 3 Table 3.2-2 AP -42 Chapter 3 Table 3.2-2 Point 012: N composition from supplying gas processing plants in the DJ Basin. Actual emissions are calculated by tracking the number of blowdown events and multiplying the number events by the emission factor contained in the table above. CAS # Weight Percent of Gas Pollutant Uncontrolled Emission Factors lb/event Source 0.69 VOC 39.46 Gas Analysis 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years from the date it was received by the Division. A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit. For any questions regarding a specific expiration date call the Division at (303)-692-3150. 7) Points 005-010: These engines are subject to 40 CFR, Part 60, Subpart JJJJ-Standards of Performance for Stationary Spark Ignition Internal Combustion Engines (See January 18, 2008 Federal Register posting - effective March 18, 2008). This rule has not yet been incorporated into Colorado Air Quality Control Commission's Regulation No. 6. A copy of the complete subpart is available on the EPA website at: http://www.epa.!?ov/ttn/atw/area/fr18ja08.pdf 8) This source is subject to 40 CFR, Part 60, Subpart 0000a - Standards of Performance for Crude Oil and Natural Gas Facilities for which Construction, Modification, or Reconstruction Commenced after September 18, 2015 (See June 3, 2016 Federal Register posting - effective August 2, 2016.) This rule has not yet been incorporated into Colorado Air Quality Control Commission's Regulation No. 6. A copy of the complete subpart is available at the Office of the Federal Register website at: https://www.federalregister.gov/documents/2016/06/03/2016-11971 toil -and -natural -gas - sector -emission -standards -for -new -reconstructed -and -modified -sources 9) This facility is classified as follows: Applicable Requirement Status COLORADO I 7 Air Pollution Control Division Ueprst,Yra Vubiic I-(ekiltilu E.^v mment Page 17 of 23 MACT ZZZZ x and formaldehyde rce of: VOC and CO S the Minor St' rce of: CO Major Source Requirements: Applicable NSPS JJJJ Applicable NSPS 0000a Applicable 10) 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 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 DDD 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 ;COLORADO r Air Pollution Control Division Puf Wz t 3eE�v».h G:'ravar:.?s:t;t Page 18 of 23 MENT A: RATING SCENARIOS ATECOMBUSTION ENGINES October 12, 2012 2. Alternative Operating Scenarios 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 owner or operator shall be allowed to perform such engine replacement without applying for a revision to this permit or obtaining a new Construction Permit. 2.1 Engine Replacement The following AOS is incorporated into this permit in order to deal with an 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 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 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 owner or operator 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 owner or operator shall maintain a copy of all Applicability Reports required under section 2.1.2 and make them available to the Division upon request. 2.1.1 The owner or operator may temporarily replace an existing 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 temporary replacement engine complies with all permit limitations and other requirements applicable to the existing engine. Measurement of emissions from the temporary replacement engine shall be made as set forth in section 2.2. COLORADO Air Pollution Control Division sDepar.ment of .ibt tic iRh.v E wr flr.vrt Page 19 of 23 2.1 .2 ` e ow r . ...--'ator•erm tly re t ..ce the existing engine with another engine with the same anufa ur odel, hors o er en z nes without modifying this permit so long as the perma ` nt r ->'ac e' en• e c pli with all ermit limitations and other requirements applicable to th e ' °`'g = •in. as - ell any;` new a• icable requirements for the replacement engine. Measu - ent of - sio om t - • - nent r- • .cement 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 owner or operator 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 at https://www.colorado.gov/pacific/cdphe/alternate-operating-scenario-aos- reporting-forms. This submittal shall be accompanied by a certification from the Responsible Official 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 owner or operator 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. 2.2 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 owner or operator 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 owner or operator 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 web site at: https://www.colorado.gov/pacific/sites/default/files/AP Portable -Analyzer -Monitoring -Protocol. 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. COLORADO Air Pollution Control Division ",�•p 1+Ment Pubti'_ 1 eti h. L• rrvorrner;t Page 20 of 23 For co conce engin in the r input based (lb/mmBtu), output based (g/hp-hr) or sting unit is currently subject to or the replacement ll be converted to the appropriate units as described 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. 2.3 Applicable Regulations for Permanent Engine Replacements 2.3.1 Reasonably Available Control Technology (RACT): Reg 3, Part B S II.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 PM10 at any level of emissions and to NOX and SO2, as precursors to PM10, if the potential to emit of NOX or 5O2 exceeds 40 tons/yr. For purposes of this AOS, the following shall be considered RACT for natural gas fired reciprocating internal combustion engines: VOC: The emission limitations in NSPS JJJJ CO: The emission limitations in NSPS JJJJ NOX: The emission limitations in NSPS JJJJ 5O2: Use of natural gas as fuel PM10: Use of natural gas as fuel As defined in 40 CFR Part 60 Subparts GG (5 60.331) and 40 CFR Part 72 (S 72.2), natural gas contains 20.0 grains or less of total sulfur per 100 standard cubic feet. 2.3.2 Control Requirements and Emission Standards: Regulation No. 7, Sections XVI. and XVII.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. Lean burn engines with a manufacturer's design rate greater than 500 hp shall use an oxidation catalyst to reduce emissions. COLORADO Air Pollution Control Division eu.".:^..D t-tivonn+ef:A Page 21 of 23 opriatety sized for the engine and shall be operated tions. The s•u`' a shall u• ` it ''i-s o - - -want A.."i ability Reports required under Condition 2.1.2. 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 HP Construction or Relocation Date Emission Standards in G/hp-hr NOX CO VOC January 1, 2008 2.0 4.0 1.0 100<Hp<500 January 1, 2011 1.0 2.0 0.7 July 1, 2007 2.0 4.0 1.0 500≤Hp July 1, 2010 1.0 2.0 0.7 The source shall submit copies of the relevant Applicability Reports required under Condition 2.1.2. 2.3.3 NSPS for stationary spark ignition internal combustion engines: 40 CFR Part 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 to the requirements of 40 CFR Part 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 2.1.2. 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 2.2, if approved in advance by the Division, provided that such test is conducted within the time frame specified in Condition 2.2. 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 October 1, 2011 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, § 1.6 (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. 2.3.4 Reciprocating internal combustion engine (RICE) MACT: 40 CFR Part 63, Subpart ZZZZ A permanent replacement engine located at either an area or major source is subject to the requirements in 40 CFR Part 63, Subpart ZZZZ. An analysis of the applicable monitoring, recordkeeping, and reporting COLORADO Air Pollution Control Division 2i:a[:fY_^.?t+; f tbi';C bteatn := E rrvtirnner Page 22 of 23 requir requir AOS. Condit n if . r. d adv time a spec e• in .n ion 2.4 Additional Sources ent shall be included in the Applicability Reports d by the MACT is in addition to that required by this can serve as the testing required by this AOS under on, provided that such test is conducted within the 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 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. COLORADO Air Pollution Control Division ,p: Page 23 of 23 Reciprocating Internal Combustion Engine APEN Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: KWEN63 AIRS ID Number: 123 /6282 / oas [Leave blank unless APCD has already assigned a permit >♦# and AIRS ID] Section 1 - Administrative Information Company Name': Rockies Express Pipeline LLC Site Name: REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail Address2: paula.menten@tallgrassenergylp.com 1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 373600 ie� COLORADO 1 M.akhbtnvannm.n, .r= Permit Number: 15 11?C coS� AIRS ID Number: 123 /6282 / cOS [Leave blank unless APCD has already assigned a permit 4 and AIRS ID] Section 2 - Requested Action O NEW permit OR newly -reported emission source (check one below) 2 STATIONARY source ❑ PORTABLE source p Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR- ❑ MODIFICATION to existing permit (check each box below that applies) O Change fuel or equipment 0 Change company name ❑ Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership4 ❑ Other (describe below) -OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - ❑ APEN submittal for permit-exempt/grandfathered source ❑ Notification of Alternate Operating Scenario (AOS) permanent replacements Additional Info Et Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. 4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? Yes If yes, provide the Company Equipment Identification No. CR 5001 General description of equipment and purpose: compressor driver. A 5,350 hp natural gas fired LB engine used as a For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http://www.colorado.Rov/cdphe/attainment) Normal Hours of Source Operation: 24 Seasonal use percentage: Dec -Feb: 25 11/01/2019 ❑ Yes (] No hours/day 7 days/week 52 weeks/year Mar -May: 25 June -Aug: 25 Sept -Nov: 25 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 2 I AV 'Z, E , �u 'ZIT:, rr.nonm.a Permit Number: I`aWC00S3 AIRS ID Number: 123 /6282 / DOS [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 4 - Engine Information Engine ❑ Primary and/or Peaking ❑ Emergency Back-up O Compression Function: ❑ Pump ❑ Water Pump ❑ Other: What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar Engine Model: G3616 What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HHV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke O 4 -Stroke Combustion: O Lean Burn ❑ Rich Burn Ignition Source: O Spark O Compression Aspiration: ❑ Natural O Turbocharged Is this engine equipped with an Air/Fuel ratio controller (AFRC)? O Yes ❑ No Serial Number6: TBD hours/year If yes, what type of AFRC is in use? O OZ Sensor (mV) ONOX Sensor (ppm) Is this engine equipped with a Low-NOX design? O Yes ❑ No Engine Dates: What is the manufactured date of this engine? TBD What date was this engine ordered? TBD ❑ Other: What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? ❑ Yes ❑✓ No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 3 AVCOLORADO =MI ;C:v en mu,,, Permit Number: l%uD E COS 3 AIRS ID Number: 123 /6282 / t_305 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516907 ; 4532792 Operator -' Stack ID No Discharge Height Above Ground Level (Feet) Temp ( F) Flow Rat (ACFM) Velocity (ftlsec) CR 5001 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) O Upward ❑ Horizontal ❑ Downward O Other (describe): Indicate the stack opening and size: (check one) ❑✓ Circular O Square/ Rectangle ❑ Other (describe): Interior stack diameter (inches): 0 Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information Fuel Use Rate 04700% Load 3 (SCF/houur) ' ' Actual Annual Fuel Use (MMSCF/year) Requested Annual,Permit Limit' ₹. (ti1MSCFf year] 37,542 ' 328.9 • From what year is the actual annual amount? Indicate the type of fuel used: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) ❑ Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf p Other (describe): Site Gas Analysis Heating Value (give units): 1,050 Btu/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO ZVItootursont Permit Number: lgtA)EcoS3 AIRS ID Number: 123 /6282 / CAS [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? ❑✓ Yes ❑ No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM 10 N/A PM2.5 N/A SOX N/A NOx N/A VOC Selective Oxidation Catalyst 'Pe' 1.0.5 CO Selective Oxidation Catalyst 93.2_ Other: Nt ioll4P: __Acci`V, mrift. - D. csota.ktt. ltp.5 Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) gerj(;,,s.e. -7d codrickej cwt - ( From what year is the following reported actual annual emissions data? l{ CIS 0Z17-3/1 Criteria Pollutant Emissions Inventory Pollutant Emission Factor Actual Annual Emissions9 Requested Annual Permit Emission Limit(s) Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72' — PM10 0.0100 , lb/MMBtu AP -42 1.72 . — PM2.5 0.0100 lb/MMBtu AP -42 1.72. — Sox 0,0006 lb/MMBtu AP -42 0.10 - NOx 0.50 g/hp-hr Mfg 25.83 — VOC .Qa3 Q..{}S g/hp-hr Mfg ..2..2 Z1{•5at 7.23 CO 2.22 g/hp-hr Mfg 114.7 •Bz2? a'.}S Does the emissions source have any uncontrolled actual emissions of non -criteria ❑✓ Yes pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: ❑ No Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name Chemical Abstract Service (CAS) Number Emission Factor Actual Annual Emissions9 Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5,14E-03 lb/MMBtu AP -42 Benzene 71432 4,40E-04 lb/MMBtu AP -42 Other: 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 9 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. Form APCD-201 Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 5IA_ N;.il:n bP �utennmah� Permit Number: l O CoS3 AIRS ID Number: 123 /6282 / np [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. / -/Z -zo /S Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: El Draft permit prior to issuance ❑✓ Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit For more information or assistance call: registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Or visit the APCD website at: Denver, CO 80246-1530 Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO DepAriment el fl Palk ( NWlbb Envbnbrtuim Reciprocating Internal Combustion Engine APEN - Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/aped. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: 1 VV 1053 AIRS ID Number: 123 /6282 / 00(p [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 1 - Administrative Information Company Name': Rockies Express Pipeline LLC Site Name: REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail Address2: paula.menten@tallgrassenergylp.com Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 373691 1 i AV COLORADO art Depmental Palk Depart 6 En o`nnnmant Permit Number: lcgu9EDoS"3 AIRS ID Number: 123 /6282 / coo [Leave blank unless APCD has already assigned a permit if and AIRS ID] Section 2 - Requested Action ✓❑ NEW permit OR newly -reported emission source (check one below) ❑✓ STATIONARY source ❑ PORTABLE source ❑✓ Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR - ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment ❑ Change company name ❑ Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership4 ❑ Other (describe below) OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - • APEN submittal for permit-exempt/grandfathered source O Notification of Alternate Operating Scenario (AOS) permanent replacements Additional Info a Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. 4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? Yes If yes, provide the Company Equipment Identification No. CR 5002 General description of equipment and purpose: A 5,350 hp natural gas fired LB engine used as a compressor driver. For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http://www.colorado.Rov/cdphe/attainment) Normal Hours of Source Operation: 24 Seasonal use percentage: Dec -Feb: 25 11/01/2019 ❑ Yes J No hours/day 7 days/week 52 weeks/year Mar -May: 25 June -Aug: 25 Sept -Nov: 25 h Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 © COLORADO 2 I /� ,=.°,=, m wnuc Permit Number: iStA)ECOS AIRS ID Number: 123 /6282 / ocic. [Leave blank unless APCD has already assigned a permit y and AIRS ID] Section 4 - Engine Information Engine O Primary and/or Peaking Function: O Pump ❑ Water Pump O Emergency Back-up ❑ - Other: 0 Compression What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HHV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke 0 4 -Stroke Combustion: 0 Lean Burn O Rich Burn Ignition Source: 0 Spark O Compression Aspiration: ❑ Natural 0 Turbocharged Is this engine equipped with an Air/Fuel ratio controller (AFRC)? 0 Yes ❑ No If yes, what type of AFRC is in use? O O2 Sensor (mV) DNOX Sensor (ppm) O Other: Is this engine equipped with a Low-NOx design? 0 Yes ❑ No Engine Dates: What is the manufactured date of this engine? TBD Engine Model: G3616 Serial Number6: TBD hours/year What date was this engine ordered? TBD What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? O Yes 0 No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. COLORADO Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 3 AV °`°"°"`"` ;" Ha+l:n b Lai onrnnn, Permit Number: tg IJ0L CXDSAIRS ID Number: 123 /6282 / cap [Leave blank unless APCD has already assigned a permit ft and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516894 ; 4532793 Operator StaclC ID NO =s Discharge Height `, a Above Ground Level r (Feet) Temp• ( F) l= low-. Rate (ACFM) Velocity ` t/sec) r. CR 5002 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) El Upward ❑ Horizontal ❑ Downward ❑ Other (describe): Indicate the stack opening and size: (check one) D Circular D Square/Rectangle D Other (describe): Interior stack diameter (inches): ❑ Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information Fuel Use Rate' @ 100% Load. k-0,4, - ;.s s r *s yR (SCF-/hour) } s ... w - :_: ?. a' Actual Annual Fuel llse { � ' g3 x, ,4.-,-,.:4.4k-Lk-4..- - �' ? a. ' MMSCF/ year) Requested "Annual Permit Limits z -- " ,-%--4.--,..--.---,NO3-,_," cac (MMSCFyear) .,, ... 37,542 328.9 From what year is the actual annual amount? Indicate the type of fuel usedx: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) ❑ Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf ❑✓ Other (describe): Site Gas Analysis Heating Value (give units): 1,050 BTU/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. ' Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 4 ,A-- Ueal, Otal 01 Public Hwacn S Fac 31 COLORADO Permit Number: t uE,CDS3 AIRS ID Number: 123 /6282 / 00(4. [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? ❑✓ Yes ❑ No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM10 N/A PM2.5 N/A SOX N/A NO N/A VOC Selective Oxidation Catalyst s7- 1.p.cj CO Selective Oxidation Catalyst 93.2. Other: Hca1c(l+4r ftt a Oxackiiok CalraluAS-E. 4to S Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) PXcJ4; ✓ ?r,C a#c.�t.ek From what year is the following reported actual annual emissions data? %4c! 07./111 is Criteria Pollutant Emissions Inventory Pollutant Emission Factor Actual Annual Emissions 4 Requested Annual Permit 7 Emission Limit(s) Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72 — PM10 0.0100 lb/MMBtu AP -42 1.72 — PM2.5 0.0100 Ib/MMBtu AP -42 1.72 — SOX 0.0006 lb/MMBtu AP -42 0.10 — NOX 0.50 g/hp-hr Mfg 25.83 — VOC -0.43 0.415 gmp-hr Mfg Wel DI. yA 7.23 CO 2.22 g/hp-hr Mfg 114.7 97213'VI.% Does the emissions source have any uncontrolled actual emissions of non -criteria 0 Yes pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: ❑ No Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name Chemical Abstract. Service (CAS) Number Emission Factor Actual Annual Emissions9 Uncontrolled Basis Units Source ( AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5.14E-03 lb/MMBtu AP -42 Benzene 71432 4.40E-04 lb/MMBtu AP -42 Other: 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. g Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 5 I�,'. HPA„� ;Vu' ;m;,, Permit Number: t i'(,l5 coS3 AIRS ID Number: 123 /6282 / Duo [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. / - /Z -2c( Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: E Draft permit prior to issuance El Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B 1 4300 Cherry Creek Drive South Denver, CO 80246-1530 For more information or assistance call: Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Or visit the APCD website at: Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 1COLORADO etEvtlic Haft eEwbennwN r;: Reciprocating Internal Combustion Engine APEN - Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.Rov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: I V IE(Qi 3 AIRS ID Number: 123 /6282 / 007 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 1 - Administrative Information Company Name': Rockies Express Pipeline LLC Site Name: REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail Address2: paula.menten@tallgrassenergylp.com 1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. 373692 COLORADO Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 1 IAV Dcparts7:=,,?„!`. Huhh b Enuur,mmn , Permit Number: AIRS ID Number: 123 /6282 / 00-4_ [Leave blank unless APCD has already assigned a permit 1 and AIRS ID] Section 2 - Requested Action ✓❑ NEW permit OR newly -reported emission source (check one below) ❑✓ STATIONARY source ❑ PORTABLE source ❑✓ Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR- ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment 0 Change company name ❑ Add point to existing permit O Change permit limit ❑ Transfer of ownership"' ❑ Other (describe below) -OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - • APEN submittal for permit-exempt/grandfathered source O Notification of Alternate Operating Scenario (AOS) permanent replacements Additional Info Ft Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. 4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? Yes If yes, provide the Company Equipment Identification No. CR 5003 General description of equipment and purpose: A 5,350 hp natural gas fired LB engine used as a compressor driver. For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http://www.colorado.gov/cdphe/attainment) Normal Hours of Source Operation: 24 Seasonal use percentage: Dec -Feb: 25 11/01/2019 El Yes 0 N hours/day 7 days/week 52 weeks/year Mar -May: 25 June -Aug: 25 Sept -Nov: 25 Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO N,�wn b £nmomm�u .�i Permit Number: t s tAYE coS3 AIRS ID Number: 123 /6282 / 004 [Leave blank unless APCD has already assigned a permit j and AIRS ID] Section 4 - Engine Information Engine Function: ❑ Primary and/or Peaking ❑ Pump ❑ Water Pump ❑ Emergency Back-up D Other: Q Compression What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar Engine Model: G3616 Serial Number6: TBD What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl hours/year What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HHV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke 0 4 -Stroke Combustion: Q Lean Burn Ignition Source: ❑✓ Spark ['Compression Aspiration: D Natural Is this engine equipped with an Air/Fuel ratio controller (AFRC)? ✓❑ Yes ❑ No If yes, what type of AFRC is in use? 0 O2 Sensor (mV) ❑� NOx Sensor (ppm) ❑ Other: Is this engine equipped with a Low-NOx design? Yes ❑ No Engine Dates: What is the manufactured date of this engine? TBD What date was this engine ordered? TBD ❑ Rich Burn ❑r Turbocharged What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? ❑ Yes ❑✓ No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 3 AV Permit Number: lct,t)G oO53 AIRS ID Number: 123 /6282 I OO7_ [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516877 ; 4532793 Operator E Stk No ' acID Discharge He>ght Above Ground Level (Feet) Temp ( F) ; Flow Rate (ACFM) Velocity (ft/sec) CR 5003 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) ❑ Downward O Other (describe): ❑r Upward O Horizontal Indicate the stack opening and size: (check one) ❑ Circular ❑ Square/Rectangle O Other (describe): Interior stack diameter (inches): ❑ Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information ?Fuel Use Rate @ 100% Load -t % (SCFlhour) 5 b s Actual Annual FuelfiUse ₹ E (MMSCF/year) 4 Requested Annual Permit Limitz '. i (,.SCE/year 37,542 328.9 From what year is the actual annual amount? Indicate the type of fuel used: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) D Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf p Other (describe): Site Gas Analysis Heating Value (give units): 1,050 Btu/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 VCOLORADO "ItT bEn�unnnant 4IA Permit Number: 53 AIRS ID Number: 123 /6282 / pp* [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? 0 Yes ❑ No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM 10 N/A PM2.5 N/A SOX N/A NOX N/A VOC Selective Oxidation Catalyst lr 10.% CO Selective Oxidation Catalyst 93.L Other: jl A? ErkckW(_ OVdati0' Cakctbk.St I.u). S Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) RV.V,5 'Diet C.L.,ftekcal CXVkLi From what year is the following reported actual annual emissions data? )4b . OZ'Z.311 Criteria Pollutant Emissions Inventory Pollutant Emission Factor 9 Actual Annual Emissions Requested Annual Permit 7 Emission Limit(s) Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72 — PM10 0.0100 lb/MMBtu AP -42 1.72 — PM2.5 0.0100 Ib/MMBtu AP -42 1.72 - SOX 0.0006 lb/MMBtu AP -42 0.10 - NOx 0.50 g/hp-hr AP -42 25.83 — VOC -O4a O.LI}S g/hp-hr Mfg 2272'N. Sol 7.23 CO 2.22 g/hp-hr Mfg 114.7 'B'27 tA5 Does the emissions source have any uncontrolled actual emissions of non -criteria ❑✓ Yes pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: ❑ No Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name Chemical Abstract Service (CAS) Number Emission Factor Actual Annual Emissions' Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5.14E-03 lb/MMBtu AP -42 Benzene 71432 4.40E-04 lb/MMBtu AP -42 Other: 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 9 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO �/J�� 5 I f3:fi� xnnen of Public H:ai�b b Enounnmu, Permit Number: ( `bui) c.)D5 AIRS ID Number: 123 /6282 / co -7_ [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. Signature of Legally Authorized Person (not a vendor or consultant) Paula Menten Air Compliance Manager — /z — 2d1Fa. Date Name (please print) Title Check the appropriate box to request a copy of the: ❑r Draft permit prior to issuance El Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit For more information or assistance call: registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Or visit the APCD website at: Denver, CO 80246-1530 Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO Deputmtd Pas*. MAIM Y Env`awMM Reciprocating Internal Combustion Engine APEN - Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: ► VUE0063 AIRS ID Number: 123 /6282 / [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 1 - Administrative Information Company Name: Site Name: Rockies Express Pipeline LLC REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail Address2: paula.menten@tallgrassenergylp.com 1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 3736.93 1 I AVCOLORADO M —nisei nmun Permit Number: l4g e: (.3O AIRS ID Number: 123 /6282 / co [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 2 - Requested Action ❑ NEW permit OR newly -reported emission source (check one below) O STATIONARY source ❑ PORTABLE source ❑r Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR- ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment ❑ Change company name 0 Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership4 ❑ Other (describe below) -OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - El APEN submittal for permit-exempt/grandfathered source ❑ Notification of Alternate Operating Scenario (AOS) permanent replacements Additional Info Et Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. a For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? Yes If yes, provide the Company Equipment Identification No. General description of equipment and purpose: compressor driver. CR 5004 A 5,350 hp natural gas fired LB engine used as a For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http://www.colorado.gov/cdphe/attainment) Normal Hours of Source Operation: 24 Seasonal use percentage: Dec -Feb: 25 11/01/2019 ❑Yes ON hours/day 7 days/week 52 weeks/year Mar -May: 25 June -Aug: 25 Sept -Nov: 25 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 2 IAVAV COLORADO Haayh6En,on,p, Permit Number: t$LCoo S" AIRS ID Number: 123 /6282 / pp2 [Leave blank unless APCD has already assigned a permit and AIRS ID] Section 4 - Engine Information Engine Function: ❑ Primary and/or Peaking ❑ Pump ❑ Water Pump ❑ Emergency Back-up O Other: 0 Compression What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar Engine Model: G3616 Serial Number6: TBD hours/year What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HI -IV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke ✓❑ 4 -Stroke Combustion: 0 Lean Burn ❑ Rich Burn Ignition Source: E Spark 0 Compression Aspiration: ❑ Natural Turbocharged Is this engine equipped with an Air/Fuel ratio controller (AFRC)? ❑� Yes ❑ No If yes, what type of AFRC is in use? ❑ O2 Sensor (mV) 0NOx Sensor (ppm) Is this engine equipped with a Low-NOx design? ❑✓ Yes ❑ No Engine Dates: What is the manufactured date of this engine? TBD What date was this engine ordered? TBD ❑ Other: What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? ❑ Yes ✓❑ No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. i Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 3 AV Hw,ss bE,.u�on n COLORADO .x, Permit Number: 18 uDE CO SI AIRS ID Number: 123 /6282 / cog [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516863; 4532794 Operator Stack ID No Discharge Height - Above Ground Level (Feet] Temp ('Fj Flow Rate (ACFM) Velocity (ft/sec) CR 5004 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) r❑ Upward O Horizontal ❑ Downward ❑ Other (describe): Indicate the stack opening and size: (check one) ❑ Circular ❑ Square/Rectangle ❑ Other (describe): Interior stack diameter (inches): ❑ Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information Fuel Use Rate,0;100% Load x °' (SCF%hour) , Actual Annual Fuel Use (MMSCF/yeah) Requested Annual Permit Limit','; (itIMSCF/year 37,542 328.9 From what year is the actual annual amount? Indicate the type of fuel used: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) ❑ Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf El Other (describe): Site Gas Analysis Heating Value (give units): 1,050 Btu/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 4 IA_ Permit Number: AIRS ID Number: 123 /6282 / cc [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? ❑ Yes ❑ No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM10 N/A PM2.5 N/A SOX N/A NO N/A VOC Selective Oxidation Catalyst -6,7- ?p.5 CO Selective Oxidation Catalyst 93.7_ Other:l,kc{dvIA Setskivt_. DY4crctkio11_ reartmSt 'Tto.S Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) .kcdi,4cs vrjr oiltarikectexinatt . From what year is the following reported actual annual emissions data? -1OS pzIE, Criteria Pollutant Emissions Inventory Pollutant Emission Factor Actual Annual Emissions 9 Requested Annual Permit Emission Limit(s)7 Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72 — PM10 0.0100 lb/MMBtu AP -42 1.72 — PM2.5 0.0100 lb/MMBtu AP -42 1.72 — SOx 0.0006 lb/MMBtu AP -42 0.10 - NOX 0.50 g/hp-hr Mfg 25.83 - VOC 11741CSTS g/hp-hr Mfg 222-2N.S4 7.23 CO 2.22 g/hp-hr Mfg 114.7 6:ii,t7.1.% Does the emissions source have any uncontrolled actual emissions of non -criteria Yes pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: ❑ No Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name ' Chemical Abstract Service (CAS) Number Emission Factor Actual Annual Emissions9 Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5.14E-03 lb/MMBtu AP -42 Benzene 71432 4.40E-04 lb/MMBtu AP -42 Other: 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 9 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. . • .r_ Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 5 IAQ COLORADO .- F.aaIh &E onmun, Permit Number: AIRS ID Number: 123 /6282 / OOS [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. —/2 -20/� Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: Q✓ Draft permit prior to issuance 0✓ Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit For more information or assistance call: registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Or visit the APCD website at: Denver, CO 80246-1530 Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 (COLORADO Dew... al i }Meth b FllelenleMM Reciprocating Internal Combustion Engine APEN - Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: F w C 6 0 g 3 AIRS ID Number: 123 /6282 / QQp� [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 1 - Administrative Information Company Name': Rockies Express Pipeline LLC Site Name: REX Cheyenne Hub Compressor Station Site Location Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail Address2: paula.menten@tallgrassenergylp.com 1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address p o ided. 73694 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 [� COLORADO 1 'AV _� o�aoni o� n�4m •� N=a nvc,..xoDm.Dt Permit Number: AIRS ID Number: 123 /6282 / OO9 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 2 - Requested Action ❑ NEW permit OR newly -reported emission source (check one below) ❑r STATIONARY source ❑ PORTABLE source ❑✓ Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR- ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment ❑ Change company name O Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership4 ❑ Other (describe below) -OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - ❑ APEN submittal for permit-exempt/grandfathered source El Notification of Alternate Operating Scenario (AOS) permanent replacements Additional Info Et Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. 4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? Yes If yes, provide the Company Equipment Identification No. CR 5005 General description of equipment and purpose: A 5,350 hp natural gas fired LB engine used as a compressor driver. For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http://www.colorado.gov/cdphe/attainment) Normal Hours of Source Operation: 24 Seasonal use percentage: Dec -Feb: 25 11/01/2019 ❑ Yes ❑✓ No hours/day 7 days/week 52 weeks/year Mar -May: 25 June -Aug: 25 Sept -Nov: 25 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 2 IAV COLORADO Permit Number: lSl)31;005 AIRS ID Number: 123 /6282 / 001 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 4 - Engine Information Engine ❑ Primary and/or Peaking ❑ Emergency Back-up Function: ❑ Pump ❑ Water Pump ❑ Other: ❑✓ Compression What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar Engine Model: G3616 Serial Number6: TBD What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HHV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke El 4 -Stroke Combustion: • ❑r Lean Burn ❑ Rich Burn Ignition Source: r❑ Spark 0 Compression Aspiration: ❑ Natural 0 Turbocharged Is this engine equipped with an Air/Fuel ratio controller (AFRC)? E Yes ❑ No hours/year If yes, what type of AFRC is in use? ❑ O2 Sensor (mV) 0NOx Sensor (ppm) Is this engine equipped with a Low-NOx design? El Yes ❑ No Engine Dates: What is the manufactured date of this engine? TBD What date was this engine ordered? TBD ❑ Other: What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? ❑ Yes p No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 3 �� um em of veu inn a c,•..uoamen, Permit Number: 1$t,.5ECoS3 AIRS ID Number: 123 /6282 / [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516846; 4532795 Operator Stack ID No . Discharge Height Above Ground Level (Feet) Temp ( F) Flow Rate {ACFM) Velocity (fg.sec) CR 5005 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) r❑ Upward ❑ Horizontal ❑ Downward ❑ Other (describe): Indicate the stack opening and size: (check one) ❑✓ Circular ❑ Square/Rectangle ❑ Other (describe): Interior stack diameter (inches): 0 Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information uel Use Rate'O 100% Load - (SCFlhour) Actual Annual Fuel Use (MMSCF/year) Requested Annual Permit Limit' (MMSCF/year) 37,542 328.9 From what year is the actual annual amount? Indicate the type of fuel used: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) ❑ Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf ❑ Other (describe): Site Gas Analysis Heating Value (give units): 1,050 Btu/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 1AV COLORADO 4 ��,",mUxoxP,n�� H�+.Ixh b Fnuvon�nun� Permit Number: t q,L),..)C c o53 AIRS ID Number: 123 /6282 / 009 [Leave blank unless APCD has already assigned a permit ¢ and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? ❑ Yes D No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM 10 N/A PM2.5 N/A SOx N/A NOx N/A VOC Selective Oxidation Catalyst ce ' T -iTa% CO Selective Oxidation Catalyst 93.1. other:►A.0.q Sclewt t. O datk104 CnfaLisk '-co•S Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) From what year is the following reported actual annual emissions data? 12,cduv.cs -cf o. kca-ka\ c 61. IBS c t{Z3'1 Q Criteria Pollutant Emissions Inventory Pollutant Emission Factor Actual Annual Emissions 9 Requested Annual Permit 7 Emission Limits) Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72 — PM10 0.0100 lb/MMBtu AP -42 1.72 — PM2,5 0.0100 Ib/MMBtu AP -42 1.72 — SOx 0.0006 lb/MMBtu AP -42 0.10 - NOx 0.50 g/hhp-hr Mfg 25.83 - VOC ��G tterst."l5 g/hp-hr Mfg 2Z�.29,91 7.23 CO 2.22 g/hp-hr Mfg 114.7 9,2,? 1..1•S Does the emissions source have any uncontrolled actual emissions of non -criteria ❑✓ Yes ❑ No pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 Lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name Chemical Abstract Service (CAS) Number Emission Factor Actual Annual Emissions' Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5.14E-03 lb/MMBtu AP -42 Benzene 71432 4.40E-04 lb/MMBtu AP -42 Other: 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 9 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. V. Form APCD-2O1 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 5 I AV Dn<n Ha1:N b &+rnnmm�n� Permit Number: AIRS ID Number: 123 /6282 / OO1 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. /-/2-2f Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: Draft permit prior to issuance ❑r Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit For more information or assistance call: registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Or visit the APCD website at: Denver, CO 80246-1530 Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 6 I 'COLORADO Ilepart! wmoi a ce.�.m Reciprocating Internal Combustion Engine APEN - Form APCD-201 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for reciprocating internal combustion engines (RICE). If your engine is a diesel compression ignition engine or your emission unit does not fall into the RICE category, there may be a more specific APEN for your source (e.g. diesel compression ignition engine, mining operations, asphalt plant, crusher, screen, etc.). In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: 15M/6.6065 AIRS ID Number: 123 /6282 / 010 [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 1 - Administrative Information Company Name': Site Name: Rockies Express Pipeline LLC REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip Code) 370 Van Gordon Street Portable Source Home Base: Lakewood, CO 80228 Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 E -Mail AddfesS2: paula.menten@tallgrassenergylp.com 1 Use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. 373695 COLORADO Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 1 I AY °`°'"'"`"""°°` Hw�+b 6 Enn.bnmen, Permit Number: t% LOP CO.3 AIRS ID Number: 123 /6282 / CAD [Leave blank unless APCD has already assigned a permit # and MRS ID] Section 2 - Requested Action Ij NEW permit OR newly -reported emission source (check one below) ID STATIONARY source ❑ PORTABLE source D Request coverage under a Construction Permit ❑ Request coverage under General Permit GP023 (Natural Gas Only) If General Permit coverage is requested, the General Permit registration fee of $1,500.00 must be submitted along with the APEN Filing fee. -OR - ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment ❑ Change company name El Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership4 ❑ Other (describe below) -OR- ❑ APEN submittal for update only (Blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - ▪ APEN submittal for permit-exempt/grandfathered source O Notification of Alternate Operating Scenario (AO5) permanent replacements Additional Info Et Notes: 3 Only one engine may be reported per APEN for GP02 coverage. Coverage under GP02 is voluntary. 4 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. 5 This does not apply to General Permit GP02, as it does not contain a provision for AOS permanent replacements. Section 3 - General Information Does this engine have a Company Equipment Identification No. (e.g. ENG-1, Engine 3, etc)? If yes, provide the Company Equipment Identification No. CR 5006 General description of equipment and purpose: compressor driver. Yes A 5,350 hp natural gas fired LB engine used as a For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: Will this equipment be operated in any NAAQS nonattainment area? (http: //www.colorado.gov/cdphe/attainment) Normal Hours of Source Operation: 24 hours/day 7 11/01/2019 ❑ Yes ❑✓ No Seasonal use percentage: Dec -Feb: 25 Mar -May: 25 days/week 52 June -Aug: 25 weeks/year Sept -Nov: 25 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 21 COLORADO „etiuuME of evnuc Permit Number: 1$tzeoOS3 AIRS ID Number: 123 /6282 / DID [Leave blank unless APCD has already assigned a permit 4 and AIRS ID] Section 4 - Engine Information Engine Function: ❑ Primary and/or Peaking ❑ Pump ❑ Water Pump ❑ Emergency Back-up ❑ Other: II Compression What is the maximum number of hours this engine will be used for emergency back-up power? N/A Engine Make: Caterpillar What is the maximum designed horsepower rating? 5,350 hp What is the engine displacement? 21.1875 l/cyl Engine Model: G3616 Serial Number6: TBD hours/year What is the maximum manufacturer's site -rating? 5,350 hp kW What is the engine Brake Specific Fuel Consumption at 100% Load? 7,368 (HHV) BTU/hp-hr Engine Features: Cycle Type: ❑ 2 -Stroke 0 4 -Stroke Combustion: ❑✓ Lean Burn 0 Rich Burn Ignition Source:❑ Spark ❑ Compression Aspiration: ❑ Natural El Turbocharged Is this engine equipped with an Air/Fuel ratio controller (AFRC)? ✓❑ Yes 0 No If yes, what type of AFRC is in use? 0 OZ Sensor (mV) EJNOX Sensor (ppm) ❑ Other: Is this engine equipped with a Low-NOx design? El Yes 0 No Engine Dates: What is the manufactured date of this engine? TBD What date was this engine ordered? TBD What is the date this engine was first located to Colorado? N/A What is the date this engine was first placed in service/operation? TBD What is the date this engine commenced construction? TBD What is the date this engine was last reconstructed or modified? N/A Is this APEN reporting an AOS replacement engine? ❑ Yes ❑✓ No If yes, provide the make, model, and serial number of the old engine below: Engine Make: Engine Model: Serial Number: 6 The serial number must be submitted if coverage under GP02 is requested. COLORADO Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 Permit Number: IS1OEC0S3 AIRS ID Number: 123 /6282 / p(o [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516833 ; 4532796 Operator Stack 1D No i Discharge Height; Above Ground Level (Feet) Temp ( F) Flow Rate , (ACFM) Velocity (ft/sec) CR 5006 51.0 775 30,984 81.9 Indicate the direction of the Stack outlet: (check one) ❑✓ Upward ❑ Horizontal ❑ Downward ❑ Other (describe): Indicate the stack opening and size: (check one) ❑✓ Circular ❑ Square/Rectangle ❑ Other (describe): Interior stack diameter (inches): ❑ Upward with obstructing raincap 33.6 Interior stack diameter (inches): Interior stack depth (inches): Section 6 - Fuel Data and Throughput Information uel Use Rate @'100% Load f (SCFJhour) Actual Annual Fuel Use (MMSCFlyedr) ¢ ` ` Requested Annual Permit Limit' MMSCF/r . , , ,ea .., ;-- ;'. 37,542 328.9 From what year is the actual annual amount? Indicate the type of fuel used: ❑ Pipeline Natural Gas (assumed fuel heating value of 1,020 BTU/scf) ❑ Field Natural Gas Heating value: BTU/scf ❑ Propane (assumed fuel heating value of 2,300 BTU/scf) ❑ Landfill Gas Heating Value: BTU/scf Q Other (describe): Site Gas Analysis Heating Value (give units): 1,050 Btu/scf 7 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 8 If fuel heating value is different than the listed assumed value, provide this information in the "Other" field. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 COLORADO 4 I AV ay�� ii.ul:;� 6 Enu:rn�fm�+ni Permit Number: t` I.)E1:0S74 AIRS ID Number: 123 /6282 / o to [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Emissions Inventory Information Attach all emission calculations and emission factor documentation to this APEN form. The APCD website has a Natural Gas Fired Engines Calculator available to assist with emission calculations. Is any emission control equipment or practice used to reduce emissions? D Yes ❑ No If yes, describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Primary Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) TSP (PM) N/A PM 10 N/A PMZ 5 N/A 5Ox N/A ' NOx N/A VOC Selective Oxidation Catalyst sz 1.O. S CO Selective Oxidation Catalyst 931 — Other -4.1(441,1,4r r-Acric.*vt, OXicWdo' C&-tyL �+ itAS Use the following tables to report criteria and non -criteria pollutant emissions from source: (Use the data reported in Section 6 to calculate these emissions.) From what year is the following reported actual annual emissions data? xr o±ka.ckcJ 1-VD02.11,311 i I Criteria Pollutant Emissions Inventory Pollutant Emission Factor Actual Annual Emissions 9 Requested Annual Permit 7 Emission Limits) Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) Uncontrolled Emissions (Tons/year) Controlled Emissions (Tons/year) TSP (PM) 0.0100 lb/MMBtu AP -42 1.72 — PM10 0.0100 Ib/MMBtu AP -42 1.72 — PM2.5 0.0100 lb/MMBtu AP -42 1.72 — SOx 0.0006 Ib/MMBtu AP -42 0.10 - NOx 0.50 g/hp-hr Mfg 25.81 - VOC 0.43.OM ' g/hp-hr Mfg 484 jLj.SF{ 7.23 CO 2.22 g/hp-hr Mfg 114.7 '&Z1; Does the emissions source have any uncontrolled actual emissions of non -criteria ❑� Yes ❑ No pollutants (e.g. HAP - hazardous air pollutant) equal to or greater than 250 lbs/year? If yes, please use the following table to report the non -criteria pollutant (HAP) emissions from source: Non -Criteria Reportable Pollutant Emissions Inventory Chemical Name Chemical Abstract Service (CAS) Number ` Emission Factor Actual Annual Emissions' Uncontrolled Basis Units Source (AP -42, Mfg. etc) Uncontrolled Emissions (Pounds/year) Controlled Emissions (Pounds/year) Formaldehyde 50000 0.20 g/hp-hr Mfg Acetaldehyde 75070 8.36E-03 lb/MMBtu AP -42 Acrolein 107028 5.14E-03 lb/MMBtu AP -42 Benzene 71432 4.40E-04 lb/MMBtu AP -42 Other: Requested values will become permit limitations. Requested limit(s) should consider future process growth. 9 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 5 I ,ma e�COLORADO oec of; Permit Number: ►` u.)E oO AIRS ID Number: 123 16282 / p rc [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. If this is a registration for coverage under general permit GP02, I further certify that this source is and will be operated in full compliance with each condition of general permit GP02. �- /2 —2O/c Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: ❑� Draft permit prior to issuance 0 Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with $152.90 and the General Permit For more information or assistance call: registration fee of $1,500, if applicable to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Or visit the APCD website at: Denver, CO 80246-1530 Make check payable to: https://www.colorado.gov/cdphe/apcd Colorado Department of Public Health and Environment Telephone: (303) 692-3150 Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Form APCD-201 - Reciprocating Internal Combustion Engine APEN - Revision 1/2017 'COLORADO oy.�mme�f.ti� HrMYF YwuMM Natural Gas Venting APEN - Form APCD-211 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. An application with missing information may be determined incomplete and may be returned or result in longer application processing times. You may be charged an additional APEN fee if the APEN is filled out incorrectly or is missing information and requires re -submittal. This APEN is to be used for Natural Gas Venting only. Natural Gas Venting includes emissions from gas/liquid separators, well head casing, pneumatic pumps, blowdown events, among other events. If your emission unit does not fall into this category, there may be a more specific APEN for your source. In addition, the General APEN (Form APCD-200) is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/cdphe/apcd. This emission notice is valid for five (5) years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: 1' we'0057) AIRS ID Number: 123 / 6282/ 012_ [Leave blank unless APCD has already assigned a permit # and AIRS ID] Company equipment Identification: Comp BD [Provide Facility Equipment ID to identify how this equipment is referenced within your organization] Section 1 - Administrative Information Company Name': Site Name: Rockies Express Pipeline LLC REX Cheyenne Hub Compressor Station Site Location: 65205 US Highway 85 Carr, CO 80612 Mailing Address: (Include Zip code) 370 Van Gordon Street Lakewood, CO 80228 E -Mail Address2: paula.menten@tallgrassenergylp.com Site Location County: Weld NAICS or SIC Code: 486210 Permit Contact: Paula Menten Phone Number: 303-763-3257 'Please use the full, legal company name registered with the Colorado Secretary of State. This is the company name that will appear on all documents issued by the APCD. Any changes will require additional paperwork. 2 Permits, exemption letters, and any processing invoices will be issued by APCD via e-mail to the address provided. Form APCD-211 - Natural Gas Venting APEN - Rev 03/2017 3 7, COLRADO 9, 1 A Ana �n�n, Permit Number: 'SLOC 0053 AIRS ID Number: 1 23 /6282/ Dl7,_ [Leave blank unless APCD has already assigned a permit d and AIRS ID] Section 2- Requested Action ✓❑ NEW permit OR newly -reported emission source -OR - ❑ MODIFICATION to existing permit (check each box below that applies) ❑ Change fuel or equipment ❑ Change company name ❑ Add point to existing permit ❑ Change permit limit ❑ Transfer of ownership3 ❑ Other (describe below) OR- ❑ APEN submittal for update only (Please note blank APENs will not be accepted) - ADDITIONAL PERMIT ACTIONS - El Limit Hazardous Air Pollutants (HAPs) with a federally -enforceable limit on Potential To Emit (PTE) Additional Info Et Notes: 3 For transfer of ownership, a completed Transfer of Ownership Certification Form (Form APCD-104) must be submitted. Section 3 - General Information General description of equipment and purpose: Blowdown emissions resulting from from six (6) compressor units. For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: / / 11 ©/ 01 / 2019 O Check this box if operating hours are 8,760 hours per year; if fewer, fill out the fields below: Normal Hours of Source Operation: Varies hours/day Varies days/week Varies weeks/year Will this equipment be operated in any NAAQS nonattainment area Is this equipment located at a stationary source that is considered a Major Source of (HAP) Emissions 0 Yes El No (] Yes 0 No Form APCD-211 -Natural Gas Venting APEN - Rev 03/2017 2IAV - Hut. a En,van,sem COLORADO Permit Number: t 7 u) t OS3 AIRS ID Number: 123 /6282/ Dm [Leave blank unless .4PCD has already assigned a permit and AIRS ID] Section 4 - Process Equipment Information ❑ Gas/Liquid Separator ❑ Well Head Casing ❑ Pneumatic Pump Make: Model: ❑ Compressor Rod Packing Make: Model: ▪ Blowdown Events # of Events/year: ❑ Other Description: 216 Serial #: # of Pistons: Volume per event: W1;►at, coos au_O1 cv.tait. Capacity: Leak Rate: 0.09 O•I2 -02/719/1 Gal/min Scf/hr/pist MMscf/event If you are requesting uncontrolled VOC emissions greater than 100 tpy for a Gas/Liquid Separator you must use Natural Gas Venting as a process parameter. Are requested uncontrolled VOC emissions greater than 100 tpy? ❑ Yes Natural Gas Venting Process Parameters4: Liquid Throughput Process Parameters4: ❑✓ No Maximum Vent Rate: SCF/hr Vent Gas Heating Value: BTU/SCF Requested: MMSCF/year Actual: MMSCF/year -OR- Requested: Bbl/yr Actual: Bbl/yr 4 Requested values will become permit limitations. Requested limit(s) should consider future process growth Process Properties: Molecular Weight: VOC (mole %) 0.263 . VOC (Weight %) 0.692 • Benzene (mole %) 0.000 • Benzene (Weight %) 0.000 • Toluene (mole %) 0.000 • Toluene (Weight %) 0.000 • Ethylbenzene (mote %) 0.000 . Ethylbenzene (Weight %) 0.000' Xylene (mole %) 0.000 . Xylene (Weight %) 0.000 n -Hexane (mole %) 0.001 ' n -Hexane (Weight %) 0.005 • 2,2,4-Trimethylpentane (mole %) . 0.000 2,2,4-Trimethylpentane (Weight %) 0.000 ' Additional Required Information: ❑✓ Attach a representative gas analysis (including BTEX Et n -Hexane, temperature, and pressure) Attach a representative pressurized extended liquids analysis (including BTEX a n -Hexane, temperature, and pressure) O Form APCD-211 -Natural Gas Venting APEN - Rev 03/2017 3 l e. COLORADO Department of Plmtm catty E Fmtnecntnent Permit Number: 1%,(ADOSS AIRS ID Number: 123 /6282/ p 12, [Leave blank unless APCD has already assigned a permit # and .AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 516907 ; 4532792 Operator Stoo p NO •(Feet) Discharge Height Above Ground Level .„ Temp F)' - Flow Rate (ACFM) Velocity (ft/sec) Comp BD 10 Ambient TBD TBD Indicate the direction of the stack outlet: (check one) ❑ Upward ❑ Horizontal 0 Downward 0 Upward with obstructing raincap p Other (describe): TBD upon equipment installation. Indicate the stack opening and size: (check one) ❑ Circular Interior stack diameter (inches): 0 Other (describe): TBD upon equipment installation. Section 6 - Control Device Information ❑ VRU: Pollutants Controlled: Size: Make/Model: Requested Control Efficiency VRU Downtime or Bypassed ❑ Combustion Device: Pollutants Controlled: Rating: Type: Requested Control Efficiency: Manufacturer Guaranteed Control Efficiency Minimum Temperature: MMBtu/hr Make/Model: % Waste Gas Heat Content Constant Pilot Light: ❑ Yes 0 No Pilot burner Rating Btu/scf MMBtu/hr Other: Pollutants Controlled: Description: Control Efficiency Requested 0 Form APCD-211 -Natural Gas Venting APEN - Rev 03/2017 COLORADO 4 I A. Permit Number: (%WEAIRS ID Number: 123 /6282/ oi'. [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 7 - Criteria Pollutant Emissions Information Attach all emission calculations and emission factor documentation to this APEN form. Is any emission control equipment or practice used to reduce emissions? ❑ Yes El No If yes, please describe the control equipment AND state the overall control efficiency (% reduction): Pollutant Control Equipment Description Overall Requested Control Efficiency (% reduction in emissions) PM SOX NO, VOC CO HAPs Other: From what year is the following reported actual annual emissions data? Use the following table to report the criteria pollutant emissions from source: (Use the data reported in Sections 4 and 6 to calculate these emissions.) Pollutant Uncontrolled Emission Factor Emission Factor Units Emission Factor Source (AP -42, Mfg. etc) Actual Annual Emissions ' , -;,." rib : Requested Annual Permit . .} Emission Llmit(s)s Uncontrolled (Tons/year) Controlled6 (Tonslyear) Uncontrolled (Tons/year) Controlled (Tons/year) PM _ SOX --- NO, -- VOC 3q,LtN �j .E IleueHl� C Engineering Estimate 3741 4,2 b, 1 e '3.-11— .4, CO -- Benzene --- Toluene --- Ethylbenzene -- Xylenes --- n-Hexane 3,kjoXlc) lbieutth`�, EngineenngEstimate 0.03 0.061 0.03 0.0 2,2,4- Trimethylpentane --- Other: 5 Requested values will become permit limitations. Requested limit(s) should consider future process growth. 6Annual emission fees will be based on actual controlled emissions reported. If source has not yet started operating, leave blank. a1 ,. "ca ?or ;OS 02 f tg Form APCD-211 -Natural Gas Venting APEN - Rev 03/2017 5 I AY em nt:r, H�e� tr Envnce�.wa COLORADO Permit Number: M (A)E C5o5AIRS ID Number: 123 /6282/ 017, [Leave blank unless APCD has already assigned a permit # and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true and correct. 2c(,(4 -(A )44-evai-v\-- /-/2-- 2� 7 Signature of Legally Authorized Person (not a vendor or consultant) Date Paula Menten Air Compliance Manager Name (please print) Title Check the appropriate box to request a copy of the: ❑ Draft permit prior to issuance O Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) Send this form along with $152.90 to: Colorado Department of Public Health and Environment Air Pollution Control Division APCD-SS-B1 4300 Cherry Creek Drive South Denver, CO 80246-1530 Make check payable to: Colorado Department of Public Health and Environment Telephone: (303) 692-3150 For more information or assistance call: Small Business Assistance Program (303) 692-3175 or (303) 692-3148 Or visit the APCD website at: https://www.colorado.gov/cdphe/apcd ICOLORADO 1 IIYtl16 n.ocatrrk Facet Form APCD-211 -Natural Gas Venting APEN - Rev 03/2017 6 I Hello