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Home My WebLink About20151835.tiff COPHE • COLORADO CO . Department of Public ...� • Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150OSt RECEIVED PO Box 758 Greeley, CO 80632 JUN 2 2 2015 June 16, 2015 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On June 17, 2015, the Air Pollution Control Division will begin a 30-day public notice period for Iron Horse Resources, LLC - State 16-3-61-1H Pad. 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, I / 1 r Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure ? ' ' `�M.AA_) 2015-1835 W624/-020/5 LC-` L:w; 141.(4/".• 4300 Cherry Creek Drive S., Denver,CO 80246-1530 P 303.642-2000 www.colorado.gov/cdphe Fs, a. John W. Hickentooper,Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer t,, , A CDPHE Air Pollution Control Division co 'f Notice of a Proposed Project or Activity Warranting Public Comment Website Title: Iron Horse Resources, LLC - State 16-3-61-1H Pad - Weld County Notice Period Begins: June 17, 2015 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: Iron Horse Resources, LLC Facility: State 16-3-61-1H Pad Oil and gas exploration and production facility Section 16, T3N, R61W Weld County The proposed project or activity is as follows: Oil and gas exploration and production facility that includes flare venting and associated facility fugitive emissions. 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): • 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 12WE2118 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: Stephanie Chaousy, PE Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us WA, COLORADO 1 '. A rz s S STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT 4° — R /ie p AIR POLLUTION CONTROL DIVISION I i TELEPHONE: (303)692-3150 \• T"/ \(896 s CONSTRUCTION PERMIT PERMIT NO: 12WE2118 Issuance 2 DATE ISSUED: ISSUED TO: Iron Horse Resources, LLC THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as State 16-3-61 1H, located in Section 16, Township 3 North, Range 61 West, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Plant flare used to control gas stream off of the 3-phase separator. FLARE2 004 Flare has a minimum combustion efficiency of 95%. The flare is not enclosed. FUG1 005 Equipment leaks (fugitive VOCs) from an oil and gas facility. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S.(25-7-101 et seq),TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. Within one hundred and eighty days (180) after issuance of this permit, compliance with the conditions contained on this permit shall be demonstrated to the Division. It is the permittee's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, II.G.2). 2. This permit shall expire if the owner or operator of the source for which this permit was issued: (i)does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii)discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) AIRS ID: 123/9967 Page 1 of 9 Condensate Tank Version 2009-1 olo *•. .• De t. en •f "ublic Health and Environment Air Pollution Control Division 3. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 4. 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 5. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Equipment ID Point Emission Type NO, VOC CO FLARE2 004 --- 4.0 1.0 Point FUG1 005 --- 4.6 --- Fugitive See "Notes to Permit Holder#4"for information on emission factors and methods used to calculate limits. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions, (including all HAPs above the de-minimis reporting level) from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 6. Point 005: The operator shall calculate actual emissions from this emissions point based on representative component counts for the facility with the most recent gas analysis, as required in the Compliance Testing and Sampling section of this permit. The operator shall maintain records of the results of component counts and sampling events used to calculate actual emissions and the dates that these counts and events were completed.These records shall be provided to the Division upon request. PROCESS LIMITATIONS AND RECORDS 7. This source shall be limited to the following maximum consumption, processing and/or operational rates as listed below. Monthly records of the actual throughput shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Process Parameter Annual Limit Equipment ID Point FLARE2 004 Natural gas flaring 3.157 MMCF/yr 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 AIRS ID: 123/9967 Page 2 of 9 c le "Colo . • De' . men Af (Public Health and Environment Air Pollution Control Division keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 8. The permit number and AIRS ID number shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.) (State only enforceable) 9. Visible emissions shall not exceed twenty percent(20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section II.A.1. & 4.) 10. No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section II.A.5.). 11. These sources are subject to the odor requirements of Regulation No. 2. (State only enforceable) 12. Point 005: Minor sources in designated nonattainment or attainment/maintenance areas that are otherwise not exempt pursuant to Section II.D. of Regulation No. 3, Part B, shall apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is nonattainment or attainment/maintenance (Reference: Regulation No. 3, Part B, III.D.2.a). This requirement to apply RACT shall be satisfied by installing/implementing the following emission controls: a. Directed Inspection &Maintenance as described below shall satisfy the requirement to apply RACT. (i) For leak screening, auditory/visual/olfactory inspection (AVO) will be performed on a quarterly basis. (ii) For each leak found in the AVO inspection, a gas detector shall be used to determine the size of the leak. The gas detector shall be regularly calibrated. Component leaks greater than 10,000 ppm shall be managed in accordance with Item (vi) below, unless it is unfeasible to make the repair without shutting down the affected operation of the facility. For such component leaks that require a shutdown to be repaired, repair shall occur during the first shutdown of the affected operation after the leak is discovered. (iii) For repair, valves adjacent to the equipment to be repaired will be closed if practicable, minimizing the volume released. (iv) Repaired components shall be re-screened to determine if the leak is repaired. (v) The following records shall be maintained for a period of two years: • The name of the site screened via AVO inspection and the name of the inspector. • Components evaluated with the gas detector. • Repair methods applied. • Dates of the AVO screenings, gas detector calibrations, attempted repairs, successful repairs, repair delays, and post-repair screenings. (vi) Leaks shall be repaired as soon as practicable, but no later than 15 calendar days after detection, unless it is technically or operationally infeasible to make the repair within 15 calendar days. Records documenting the rationale shall AIRS ID: 123/9967 Page 3 of 9 up olo t • De en r if ublic Health and Environment ll Air Pollution Control Division be maintained if it is technically or operationally infeasible to make the repair within 15 calendar days. OPERATING & MAINTENANCE REQUIREMENTS 13. 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 your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 14. Point 004: The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, n-hexane, and 2,2,4-trimethylpentane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site-specific emission factors using Division approved methods. Results of site-specific sampling and analysis shall be submitted to the Division as part of the self-certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. 15. Point 004: The owner or operator shall demonstrate compliance with Condition 10 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). Periodic Testing Requirements 16. Point 004: The owner or operator shall sample the gas routed to the flare to determine the heat content on an annual basis. 17. Point 005: On an annual basis, the owner or operator shall complete an extended gas analysis of produced gas that is representative of volatile organic compounds (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas analysis shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. ADDITIONAL REQUIREMENTS 18. All previous versions of this permit are cancelled upon issuance of this permit. 19. A revised Air Pollutant Emission Notice (APEN)shall be filed: (Reference: Regulation No. 3, Part A, 'LC) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For volatile organic compounds (VOC) and nitrogen oxides sources (NOx) in ozone nonattainment areas emitting less than 100 tons of V0C or N0x per year,a change in annual actual emissions of one(1)ton per year or more or five percent,whichever is greater, above the level reported on the last APEN; or AIRS ID: 123/9967 Page 4 of 9 :Colo . De' rtmen %f ublic Health and Environment Air Pollution Control Division For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, 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. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 20. Federal regulatory program requirements (i.e. PSD, NANSR)shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS 21. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 22. If this permit specifically states that final authorization has been granted, then the remainder of this condition is not applicable. Otherwise, the issuance of this construction permit does not provide"final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section 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. 23. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 24. 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. 25. 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 AIRS ID: 123/9967 Page 5 of 9 olo 1 '. De en e tf " ublic Health and Environment A Air Pollution Control Division and upon such occurrence,this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 26. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 27. 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: f Stephanie Chaousy, PE Permit Engineer Air Pollution Control Division Permit History Issuance Date Description Issuance 1 September 11, Permit for: (1) flare and associated fugitives. 2013 New minor source facility. Issuance 2 This Issuance Transfer of ownership from Chesapeake Operating, Inc. to Iron Horse Resources, LLC. Modification to Points 004 and 005 emissions. Synthetic minor facility. AIRS ID: 123/9967 Page 6 of 9 • —Colo re o De'`" arnen 4tiof Public Health and Environment i4 Air Pollution Control Division Notes to Permit Holder at the time of this permit issuance: 1) The permit holder is required to pay fees for the processing time for this permit.An invoice for these fees will be issued after the permit is issued.The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit(Reference: Regulation No. 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 permittee providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The permittee shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1 of the Common Provisions Regulation. See: http://www.cdphe.state.co.us/requlafions/airreqs/100102aqcccom m onprovision sreq.pdf. 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. Uncontrolled Are the Controlled AIRS Pollutant CAS# BIN Emission emissions Emission Point Rate reportable? Rate(Ib/yr) (Ib/yr) Benzene 71432 A 495 Yes 25 004 n-hexane 110543 C 3217 Yes 161 Benzene 71432 A 94 No 94 Toluene 108883 C 78 No 78 005 Ethyl benzene 100414 C 78 No 78 Xylenes 1330207 C 78 No 78 n-Hexane 110543 C 184 No 184 5) The emission levels contained in this permit are based on the following emission factors: Point 004: Emission Factors Emission Factors CAS# Pollutant Uncontrolled Controlled Source NOx 0.068 lb/MMBtu 0.068 lb/MMBtu AP-42, Table 13.5-1 CO 0.37 lb/MMBtu 0.37 lb/MMBtu AP-42, Table 13.5-1 VOC 50.67 lb/Mcf 2.5335Ib/Mcf Engineering Calculation 71432 Benzene 156.63 lb/mmscf 7.8315 lb/mmscf Engineering Calculation 110543 n-hexane 1018.93 lb/mmscf 50.9465 I b/m m scf Engineering Calculation Note: The controlled emissions factors for point 004 are based on the flare control efficiencyof 95%. AIRS ID: 123/9967 Page 7 of 9 w � �6 olo . De enr 1f `ublic Health and Environment Air Pollution Control Division Point 005: Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 469 --- 286 --- Flanges 5 --- 11 -- Open-Ended Lines --- --- --- --- Pump Seals --- --- 1 --- Valves 64 --- 48 --- Other 8 --- 1 --- VOC Content(wt%) 59.88% --- 100% --- Benzene Content(wt%) 0.1851% --- 2.0% --- Toluene Content(wt%) 0 --- 2.0% --- Ethylbenzene(wt%) 0 --- 2.0% --- Xylenes Content(wt%) 0 --- 2.0% --- n-hexane Content(wt%) 1.2040% --- 2.0% --- *Other equipment type includes compressors, pressure relief valves, relief valves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors(kg/hr-component): Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04 Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06 Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04 Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05 Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05 Other 8.8E-03 3.2E-05 7.5E-03 1.4E-02 Source: EPA-453/R95-017 Compliance with emissions limits in this permit will be demonstrated by using the TOC emission factors listed in the table above with representative component counts, multiplied by the VOC content from the most recent gas and liquids analyses. 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) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC NANSR Synthetic Minor Source of: VOC AIRS ID: 123/9967 Page 8 of 9 lry olo, De r1men : f Public Health and Environment ) a Air Pollution Control Division MACT HH Area Source Requirements: Not Applicable 8) 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 SubpartA—SubpartKKKK 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 9) A self certification form and guidance on how to self-certify compliance as required by this permit may be obtained online at: http://www.colorado.gov/pacific/cdphe/air-permit-self-certification. AIRS ID: 123/9967 Page 9 of 9 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Division Information Engineer: Stephanie Chaousy,PE Attainment Status Control Engineer: Chris Laplantel PM10 Attainment Review Date: 11/20/2014 PM2.5 Attainment Application Date: 07/22/2014 SOx Attainment NOx Nonattainmen VOC Nonattainmen Facility Information CO Attainment Permit No. 12WE2118 County# 123 Weld Potentially Located within EAC-determine attainment status of NO. AIRs Facility# 9967 Point# 004 Facility Equipment ID Flare2 Company Name: Iron Horse Resources, LLC Source Name: State 16-3-61-1H Section 16,T3N, R61W Source Location' SIC. 1311 Elevation(feet)4658 Modificatio APEN New Permit (CP1) X n(Issuance Required/Permit 2) Exempt Transfer of APEN Ownership Exempt/Permit Exempt Notes Equipment Description This source vents natural gas from: a well head separator Emissions from this source are' routed to an open-flame flare Natural gas venting from a well head separator. Emissions from this source are routed to an open- flame flare. Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=O'MW`Xx/C Ex=emissions of pollutant x 0=Volumetric flow rate/volume of gas processed MW=Molecular weight of gas=SG of gas'MW of air Xx=mass fraction of x in gas C=molar volume of ideal gas(379 scf/lb-mol)at 60F and 1 atm Throughput(O) 3 MMscf/yr 3604 scf/hr I 0.27 MMscf/mo MW 32.070 Ib/Ib-mat 0.000 MMscf/d mole 1/0 MW Ibx/Ibmol mass fraction E Ib/hr lb/yr tpy Helium 0.02 4.0026 0.001 0.000 Helium 0.0 7 0.00 CO2 3.19 44.01 1.404 0.044 C02 1.3 11694 5.85 N2 0.93 28.013 0.261 0.008 N2 0.2 2170 1.09 methane 52.4224 16.041 8.409 0.262 methane 8.0 70046 35.02 ethane 9.2851 30.063 2.791 0.087 ethane 2.7 23252 11.63 propane 13.4619 44.092 5.9356 0.185 propane 5.6 49443 24.72 isobutane 2.9307 58.118 1.7033 0.053 isobutane 1.6 14188 7.09 n-butane 10.3316 58.118 6.0045 0.18/ n-butane 5./ 5001/ 25.01 isopentane 2.5781 72.114 1.8592 0.058 isopentane 1.8 15487 7.74 n-pentane - 2.5998 72.114 1.9459 0.061 n-pentane 1.9 16218 8.11 cyclopentane 0.3514 70.13 0.2464 0.008 cyclopentane 0.2 2053 1.03 n-Hexane 04481 86.18 0.3862 0.012 n-Hexane 0.4 3217 1.61 cyclohexane 0.0024 84.16 0.0020 0.000 cyclohexane 0.0 17 0.01 Other hexanes 1.2441 86.18 1.0722 0.033 Other hexanes 1.0 8931 4.47 heptanes 0.0001 100.21 0.0001 0.000 heptanes 0.0 1 0.00 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexane 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.076 78.12 0.0594 0.002 Benzene 0.1 495 0.25 Toluene 0 92.15 0.0000 0.000 Toluene 0.0 0 0.00 Ethylbenzene 0 106.17 0.0000 0.000 Ethylbenzene 0.0 0 0.00 Xylenes 0 106.17 0.0000 0.000 Xylenes 0.0 0 0.00 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+Heavies I 0.00111 -1042.9561 -0.0115 ) 0.000 IC8+Heavies J 0.0 I -96 -0.05 VOC mass fraction: 0.5988 Total VOC Emissions(Uncontrolled) 80.0 32O70 annual limit assuming 95%control 4.0 Notes monthly limit assuming 95%control(Ib/mo.) 679.3 Mole%,MW,and mass fractions from State 27-1 gas analysis. Emissions are based on 8760 hours of operation per year. I calculated the average MW of C8+based on the average MW on the analysis for the gas. Flaring Information Equipment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Cimarron Model Serial Number Gas Heating Value 1780.6 Btu/scf Throughput 56213542 MMBtu/yr Combustion emission factor source: AP-42:Chapter 13.5 0.068 lb NOX/MMBtu 0.37 lb CO/MMBtu 0,19 tpy NOX 1.04 tpy CO Emissions Summary 0.19 tpy NOX Uncontrolled/PTE 1.04 tpy CO 79.984 tpy VOC Controlled 3.999 tpy VOC Uncontrolled Operator Scenario A Controlled Operator Total(lb/yr) calculations Reportable? Total(Ib/yr) calculations Benzene 495 495 Yes 25 25 Toluene 0 0 No 0 0 Ethylbenzene 0 0 No 0 0 Xylenes 0 0 No 0 0 n-hexane 3217 3217 Yes 161 161 224-TMP 0 0 No 0 0 'Will permit operator calculations. I believe they are slightly off due to rounding issues. Regulatory Applicability AQCC Regulation 1 This source is subject to the opacity requirements for flares in Section II.A.5'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30%opacity.' 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." AQCC Regulation 3 An APEN is required for this source because uncontrolled VOC emissions Part A: exceed one ton per year in a nonattainment area for ozone. A permit is required for this source because uncontrolled VOC emissions from this facility exceed two tons per year in a nonattainment area for ozone. Part B: This source is subject to Section III.D.2(Minor Source RACT)because it is located in a nonattainment area.RACT for this source has been determined to be the use of a flare to control emissions. Is public comment Public Comment not required required? Crvoodo Department r Guns,Healm Environment An Pouubon Control Division Penminary Analysis-Emission from Fugnve Components operation Now) e(s9 ACC Code.31000220.NI amid Leak 54 gives'Valves Fanges.come-nays seals drains) Fugitive Component Counts&Emissions vOC Benzene Toluene Ethylbnane xylne n Hexane TOC OF TUC EF Component - kgIhr- Control u d Consoled U ,sled controlled Uncontrolled Controlled L Controlled Uncontrolled Controlled uncontrolled Controlled Service Type 5%) n,LIPS)ue dry) ubyri 0180 irk/r IlbMrl Ol//I) C Ilbyq Obi) 'Iola' Ildyr) IlPITO 992E-03 4a50E-03 02% 167 103 103 00 00 00 00 C0 00 61.0 d Pumos5eals o3 529E-N 240-03 00% 041 00 0 0 21 00 00 00 00 00 00 15 15 Gas 01ne5 B 1S4F4! 2005-03 43% 041 OE 25 25 00 00 00 00 00 00 164 1514 c,nnewna 469 441E-04 200-04 00% 054 05 34 34 00 00 00 00 00 00 215 stir Flanges 5 860-04 390-04 00% 001 00 01 0.1 00 00 00 00 0 00 05 05 ttdlines 41E-0? 200-03 0% 000 00 00 00 O0 O0 04 0 0 0 00 00 00 00 Valves Valves 551E-03 250- 4 03 00% 1.16 12 453 46 463 053 453 463 06 463 463 Pump Seals 1415-02 190E-01 0% 0.13 0.1 50 50 50 50 450 50 50 50 50 Lignl Orl OPeo 1 165E-02 204503 O0% 004 0.1 29 29 29 29 29 29 29 29 29 29 Csnnectols 256 0.63E-04 210E-04 00% 005 06 232 232 232 232 232 232 232 232 232 232 Flanges I 243E-04 1.10E-04 O0% 001 00 05 05 05 05 05 05 05 0.5 05 05 Omrvended Imes 309E-0J 140E-09 00% 000 00 00 00 0 0 00 00 00 00 00 00 00 Vaves 1.85E-05 840E-0fi 00% CW 00 00 00 0C 00 00 00 00 00 00 00 Pump Seals ornee gas=es 7445 o= sons gw 0g 09 0o gg LI 0e ell 00 0 eta 00 09 Heavy on canectoa 1655-05 ]905-0)7 00% 000 00 00 00 00 00 00 00 00 00 O0 Hanes 86OEW 390E-02 0 GIA 000 00 O0 00 0 G _ 00 00 Cl 00 00 00 00 ocemnaenaes 309E-4 140EM 00% Coo 00 O0 00 00 00 00 00 00 00 00 Vaves 2'6£-04 940E-05 00% OW 00 c0 0 0 00 00 00 c0 0 0 00 00 00 aPump ll/Is Seats 529E-05 240505 000 00 00 00 00 00 00 00 00 00 00 309- 40 02 1E-02 00% 000 00 O0 00 co 00 00 00 00 00 00 00 Wamr/OII� nnema5 243E-04 111E-04 0 Go O0 00 00 00 00 00 00 00 00 angee 699E-05 290E-06 ." 00%% 04 0 00 00 00 00 00 00 00 00 00 R 00 00 OW-SEC.,lies 551E-04 250E-04 00"in 0Cc 00 00 00 00 00 00 00 00 00 00 00 TOTALS 0111d 4.5] 4.5] 0.05 005 0.04 004 0.04 O.a 0.04 004 009 0.09 TOTALS IIblyr) 94.2 94.2 ]]9 77.9 ]l9 ]19 ]].8 21.9 18]5 183.5 Wits safety nactar'. 1 I 5 TOTALS BM, I 4 l 0.04 1TOTALS mlyL d.5] ) 4'n I 94.1] I 94 17 I 70.0570 93 ]]03 I ]0]93 ]]93 ]]o3 I P93 18153 I 18 5 mrsslon Fedor Source EPA 45394-95-0'7 Tab's 2-4 Stream VOC Fraction Pet) Stream HAP Components)wt fraction) Gas 05988 HIP Gas Liam Oil Heavy Oil Wate✓oo LightOil 10000 455z504 00019 0020 0020 000 Heavy Cl 10000 Telune 0 O020 0020 000 Waterloo 10000 EYMdemec 0 0020 0 020 000 IMene 0 0020 0020 000 „Hexane 1012 0021 0 020 000 Notes Rac.J The dare of interest fo,determining wnemer me source n new or modified is therefore Nevemser 20 200!one cafe m Ise 8-hour ozone NA area designation)Since the fugitives were in service aver the tare above.this source 5 m rmm moaned oberaor has aereed on e 0onsstanderd conabnns. N9'S KKK:Equipment Leaks of VOC from onshore natural gas processing plants.Affected facilities at onshore natural gas facililles)any processing site engaged in the extraction of natural gas liquids from field gas.fractionation of sated natural gas'(golds INOfs)or both), peg.6 - s al gas pm sing Rant•No is tints source subjosr to NAP9 RKK,No WHVa Source is dot al tcs v oc esmg Flan' NSF'S 0000 adds of Perfor for Crude Oil end N n,Transmission and Distribution.For tugili natural gas processing plants subject 0000.This subpart establishes¢ s standards and compliance schedules for the)control of volatile organc compounds WOG)and sulfur dioxide)SOo)temissions from affected facilities that commence construction, modification of ructpon after August R[g.5 ,2011 Is tints a at la natal gas pro sing Giant'.N0 Is min source sEbt,„„WHY,Spume's OO N not bated at a"natural no Section gas processing plant"thus t mee0ng the omens of t'ns subpart Ro}] tion MSG'l. ffacllity is natural l gas processing plant lxated in nonatnalmmen ea l ar then su Ho iv Section Section DILL Is this source ata'narum'gas processing pact' No MACT HH'.If facility is MAJOR source for HAP at a natural gas processing plant ONLY'summation of HAPS of dehydrators and fugitives).then fugitive emissions are subject to MACT Ste Rry 6 Is this teooty considers.)MAJOR for HAPS,40 Is this source-.Meet to MACT HHc No WHY,This taunt,'is considered area source for MACT Hp`so only TCG dehydrators would be subject to this subpart'and mere are no TEG Onydrob5 omsie at this tie) Minted-G:24/2010 Page 1 of o -� uK u . 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