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Home My WebLink About20160371.tiff A CDPHE COLORADO ola Department of Public COV ,.. Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado RECEIVED Weld County - Clerk to the Board JAN 2 2 2016 1150 0 St PO Box 758 WELD COUNTY Greeley, CO 80632 COMMISSIONERS I January 20, 2016 Dear Sir or Madam: On January 27, 2016, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 18801_Anschutz Equus Farms 4-62-33_34 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 a Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales o Regards, Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure RI)f -Lf:t7-R-Lki-ttA-32016� (2.-)`� -0371 g - 14 e_,C? 'I LDI 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe ;' '±'-,,k: C' John W. Hickentooper,Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer ti* *1, -4, a'16.'%' A CDPHE Air Pollution Control Division CO c' Notice of a Proposed Project or Activity Warranting Public Comment Website Title: Bill Barrett Corporation - 18801_Anschutz Equus Farms 4-62-33_34 Pad - Weld County Notice Period Begins: January 27, 2016 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: Bill Barrett Corporation Facility: 18801_Anschutz Equus Farms 4-62-33_34 Pad Oil and gas production facility SWNW Section 33 T4N R62W Weld County The proposed project or activity is as follows: Applicant will operate an emergency flare to combust produced gas during sales line/gas gathering system downtime. 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 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 15WE1214 have been e 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: Bradley Eades Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us Aviv COLORADO 1 IASISW STATE OF COLORADO ,Colo, •LO- • .• D • -T •F P = C HEALTH AND ENVIRONMENT ew460,418 AIR POLLUTION CONTROL DIVISION TELEPHONE: (303)692-3150 * A *' ‘*.(876* CONSTRUCTION PERMIT PERMIT NO: 15WE1214 Issuance 1 DATE ISSUED: ISSUED TO: Bill Barrett Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility known as the 18801_Anschutz Equus Farms 4-62-33, located in the SWNW Sec 33, T4N, R62W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Backup Flaring of produced gas from one (1) high pressure 3-phase inlet Gas Flare 005 separator during sales gathering downtime. Emissions are routed to enclosed flare(s) with a minimum control efficiency of 95%. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et seq), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days after commencement of operation or issuance of this permit, whichever comes later, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. 2. Within one hundred and eighty days (180) after commencement of operation or issuance of this permit, whichever comes later, 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. (Reference: Regulation No. 3, Part B, 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 AIRS ID: 123/9D8D Page 1 of 8 Depa en li Health and Environment it Pollution Control Division within 18 monDolor t h f i f this truction 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.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 6. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Equipment ID Point NO VOC CO Emission Type x Backup Gas 005 3.6 46.7 16.5 Point Flare See "Notes to Permit Holder"for information on emission factors and methods used to calculate limits. Facility-wide emissions of each individual hazardous air pollutant shall be less than 8.0 tpy. . Facility-wide emissions of total hazardous air pollutants shall be less than 20.0 tpy. 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. • 7. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit (Reference: Regulation No.3, Part B, Section III.E.) Facility AIRS Pollutants Equipment Point Control Device Controlled ID Backup 005 Enclosed Flare(s) VOC and HAP Gas Flare AIRS ID: 123/9D8D Page 2 of 8 II olor Depa en . • .11 0104 Depa en . 'Health and Environment A it Pollution Control Division PROCESS LIMITA ;`N• 8. 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. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Backup 005 Gas Flared from Separator 70.0 MMSCF/yr Gas Flare 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. 9. The owner or operator shall continuously monitor and record the volumetric flowrate of natural gas vented from the inlet separator to the enclosed flare(s) using a flow meter. The flow meter shall continuously measure flowrate and record total volumetric flow vented to the enclosed flare(s). The owner or operator shall use monthly throughput records and calculation methods detailed in the O&M Plan to demonstrate compliance with the limits specified and to calculate emissions as described in this permit. STATE AND FEDERAL REGULATORY REQUIREMENTS 10. The permit number and AIRS ID point number (e.g. 123/4567/890) shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.) (State only enforceable) 11. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 12. The combustion device covered by this permit is subject to Regulation Number 7, Section XVII.B.2. General Provisions (State only enforceable). If a flare or other combustion device is used to control emissions of volatile organic compounds to comply with Section XVII, it shall be enclosed, have no visible emissions during normal operations, and be designed so that an observer can, by means of visual observation from the outside of the enclosed flare or combustion device, or by other convenient means approved by the Division, determine whether it is operating properly. This flare must be equipped with an operational auto-igniter according to the following schedule: • All combustion devices installed on or after May 1, 2014, must be equipped with an operational auto-igniter upon installation of the combustion device; • All combustion devices installed before May 1, 2014, must be equipped with an operational auto-igniter by or before May 1, 2016, or after the next combustion device planned shutdown, whichever comes first. 13. The separator covered by this permit is subject to Regulation 7, Section XVII.G. (State Only). On or after August 1, 2014, gas coming off a separator, produced during normal AIRS ID: 123/9D8D Page 3 of 8 olor Depa en li Health and Environment T Pollution Control Division operation froJJy tr y fract r recompleted oil and gas well, must either be routed to a gas gathering line or controlled from the date of first production by air pollution control equipment that achieves an average hydrocarbon control efficiency of 95%. If a combustion device is used, it must have a design destruction efficiency of at least 98%for hydrocarbons. OPERATING & MAINTENANCE REQUIREMENTS 14. 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 15. The owner or operator shall demonstrate compliance with opacity standards, using EPA Reference Method 22, 40 C.F.R. Part 60, Appendix A, to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one minute in any fifteen minute period during normal operation. (Regulation Number 7, Sections XII.C, XVII.B.2. and XVII.A.16) ADDITIONAL REQUIREMENTS 16. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. 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 (NOX) in ozone nonattainment areas emitting less than 100 tons of VOC or NO, 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 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 ' AIRS ID: 123/9D8D Page 4 of 8 olor ;Depa en : P .li Health and Environment it Pollution Control Division d. When:. -rm' st -d, or .. e. No later than 30 days before the existing APEN expires. 17. Federal regulatory program requirements (i.e. PSD, NANSR or Title V Operating Permit) 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 18. 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. 19. 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. 20. 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 operator's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 21. 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. 22. 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. 23. 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 AIRS ID: 123/9D8D Page 5 of 8 Depa en Ii ealth and Environment it Pollution Control Division administrationDolor r ' is ontin he owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 24. 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: Bradley Eades Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation I AIRS ID: 123/9D8D Page 6 of 8 olor- Depa enss P .Ii Health and Environment •it Pollution Control Division Notes to Permit Holder - - me o "se any`. 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 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: http://www.colorado.gov/cs/Satellite?c=Document C&childpagename=CDPHE- Main%2FDocument C%2FCBONAddLinkView&cid=1251599389641&pagename=CBONWrapper 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 Emission Are the Controlled AIRS Rate emissions Emission Rate Point Pollutant CAS# (lb/yr) reportable? (Ib/yr) 005 Benzene 71432 3051 Yes 153 005 n-Hexane 110543 26735 Yes 1337 005 Toluene 108883 1604 Yes 80 005 Ethylbenzene 100414 10 No 1 005 Xylenes 1330207 133 No - 7 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Weight Emission Emission Pollutant Fraction of Factors Factors Source Gas (%) Uncontrolled Controlled lb/MMscf lb/MMscf NOx --- ---- 99.99 AP-42/Gas Analysis CO --- --- 455.83 VOC 39.23 26672.83 1333.64 Benzene 0.06 43.58 2.18 Toluene 0.03 22.91 1.15 Gas Analysis n-hexane 0.56 381.93 19.10 Note: Emission calculations are based on gas analysis from Anschutz Equus Farms 4-62-33 sampled on 2/18/2015 and EPA Emission Inventory Improvement Program Publication: Volume II, Chapter 10—Displacement Equation (10.4-3) AIRS ID: 123/9D8D Page 7 of 8 olor Depa en Ii ealth and Environment it Pollution Control Division 6) In accordance with -7- , ' P .ssion (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, n-Hexane NANSR Synthetic Minor/Major Source of: VOC 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.dpoaccess.dov/ 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 f M MACT 63.1440-63.6175 Subpart QQQ—Subpart YYYY MACT 63.6580-63.8830 Subpart 7777-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: 123/9D8D Page 8 of 8 Division Information Engineer: Bradley Eades Control Engineer: Christopher Laplante Review Date: 12/10/2015 Application Date: 08/31/2015 Facility Identifiers Permit No. 15WE1214 Potentially located in ozone nonattainment area AIRS County# 123 (Weld Facility# 9DB7 Facility Type: exploration and production facility ❑� Located in the 8-hour non-attainment area? O True Minor ® Synthetic Minor for: VOC r NOx r CO Administrative Information Company Name: Bill Barrett Corporation Source Name: 18801_Anschutz Equus Farms 4-62-33_34 Pad Source Location: SWNW Sec 33, T4N, R62W SIC: 1311 Mailing Address 1: Bill Barrett Corporation Address Address 2: 1099 18th St.,Suite 2300 ty,State Zip: Denver, CO 80202 Name: Rusty Frishmuth Person To Phone: 303-312-8718 Contact Fax: 000-000-0000 Email: rfrishmuth@billbarrettcorp.com Requested Action Self Certification Required? Yes Issuance Number: 1 Source Description: Oil and gas exploration and production facility known as the 18801_Anschutz Equus Farms 4-62-33_34 Pad, located in the SWNW Sec 33,T4N, R62W,Weld County, Colorado. r M Point Name Type Control Action Backup Gas Newly 005 Flare Separator Venting Flare reported source Flaring of produced gas from one(1)high pressure,3-phase separator during sales gathering downtime. 005 Flare(s)have a minimum control efficiency of 95%. Equipment Description This source vents natural gas from: a well head separator Emissions from this source are: routed to a flare Natural gas venting from a well head separator.Emissions from this source are routed to a flare. Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q`MW`Xx/C Ex=emissions of pollutant x Q=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 sdAb-mol)at 60F and 1 atm Throughput(Q) 70 MMscf/yr 7990.88758 scflhr MW 25.777 IbAb-mol 0.191780822 MMscf/d mole% MW Ibxflbmol mass fraction Iblhr lb/yr tpy Helium 0.00 4.0026 0.000 0.000 0.00 0.00 0.00 CO2 2.51 44.01 1.108 0.043 23.32 204260.98 102.13 N2 0.62 28.013 0.173 0.007 3.65 32010.95 18.01 methane 63.30 16.041 10.154 0.394 214.10 1875477.32 937.74 ethane 14.07 30.063 4.229 0.164 89.18 781041.50 390.52 propane 11.87 44.092 5.232 0.203 110.30 966259.31 483.13 isobutane 1.27 58.118 0.738 0.029 15.52 135959.32 67.98 n-butane 4.08 58.118 2.372 0.092 50.01 438073.24 219.04 . isopentane 0.74 72.114 0.532 0.021 11.23 98335.72 49.17 n-pentane 0.87 72.114 0.629 0.024 13.26 116156.82 58.08 cycopentane 0.00 70.13 0.000 0.000 0.00 0.00 0.00 n-Hexane 0.17 86.18 0.145 0.006 3.05 28740.81 13.37 cyclohexane 0.04 84.18 0.032 0.001 0.88 5922.29 2.96 Otherhexanes 0.28 88.18 0.226 0.009 4.78 41830.27 20.92 heptanes 0.11 100.21 0.108 0.004 2.28 19933.59 9.97 methylcyclohexane 0.03 98.19 0.029 0.001 0.61 5388.20 2.89 224-TMP 0.02 114.23 0.017 0.001 0.38 3184.88 1.58 Benzene 0.02 78.12 0.017 0.001 0.35 3058.84 1.53 Toluene 0.01 92.15 0.009 0.000 0.18 1599.86 0.80 Ethylbenzene 0.00 106.17 0.001 0.000 0.01 98.05 0.05 Xylenes 0.00 106.17 0.001 0.000 0.01 95.22 0.05 C80 Heavies 0.02 115.8010599 0.024 0.001 0.51 4483.74 2.24 VOC mass frac 0.39217 Total VOC(Uncontrolled) 933.55 Notes Mole%and MW from Anschutz Equus Farms 4-62 gas analysis collected 02/18/2015. 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. 4 15WE1214.CP1.xlsm Flaring of produced gas from one(1)high pressure,3-phase separator during sales gathering downtime. 005 Flare(s)have a minimum control efficiency of 95%. Flaring Information Equipment Description Flare to combust low-pressure separator gas during VRU downtime. Manufacturer Abutec Model 200 Serial Number See APEN received 08/31/2015 Gas Heating Value 1470 Btu/scf Throughput 102930 MMBtu/yr 11.75 MMBtu/hr Total 102942 MMBtu/yr VRU Information NO VRU Equipment Description Emissions from this source go directly to Sales during normal operation.When Pipleine is shut in,emissions are routed to flare. Make Model Requested Control Efficiency Annual Bypass Time Backup Overall Control I 95.00%I Combustion emission factor source: AP-42:Chapter 13.5 0.07 Ilb NOX/MMBtu 0.31 I lb CO/MMBtu Calcualtions Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions VOC 26673 lb/MMscf 1333.64 lb/MMscf 933.5 tpy 46.7 tpy Nox 0.07 Ib/MMBTU 0.07 Ib/MMBTU 3.5 tpy 3.5 tpy CO 0.31 Ib/MMBTU 0.31 lb/MMBTU 16.0 tpy 16.0 tpy Benzene 43.70 lb/MMscf 2.18 lb/MMscf 3059 lb/yr 153 lb/yr n-Hexane 382.01 lb/MMscf 19.1006 lb/MMscf 26741 lb/yr 1337 lb/yr Toluene 22.855 lb/MMscf 1.1428 lb/MMscf 1600 lb/yr 80 lb/yr Xylenes 1.360 lb/MMscf 0.0680 lb/MMscf 95 lb/yr 5 lb/yr Ethylbenzene 1.401 lb/MMscf 0.0700 lb/MMscf 98 lb/yr 5 lb/yr Emissions Summary Table(for Permit) Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 26672.83 lb/MMscf 1333.64 lb/MMscf 933.6 tpy 46.7 tpy Gas Analysis Nox 99.99 lb/MMscf 99.99 Ib/MMBTU 3.5 tpy 3.5 tpy AP-42 CO 455.83 Ib/MMscf 455.83 Ib/MMBTU 16.0 tpy 16.0 tpy AP-42 Benzene 43.58 lb/MMscf 2.18 lb/MMscf 3050.9 lb/yr 152.5 lb/yr Gas Analysis n-Hexane 381.93 lb/MMscf 19.0965 lb/MMscf 26735.1 lb/yr 1336.8 lb/yr Gas Analysis Toluene 22.91 lb/MMscf 1.1457 lb/MMscf 1604.0 lb/yr 80.2 lb/yr Gas Analysis Xylenes 1.90 lb/MMscf 0.0952 lb/MMscf 133.3 lb/yr 6.7 lb/yr Gas Analysis Ethylbenzene 0.14 lb/MMscf 0.0068 Ib/MMscf 9.5 lb/yr 0.5 lb/yr Gas Analysis 'Emissions in permit reflect calcuakions made by applicant.Differences were due to rounding and are insignificant. 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 7 Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014? yes 12/2014 listed as date of first production on GP08 application. • This separator is subject to Reg 7,Section XVII.G.and control requirements of Reg 7,Section XVII.B.2 NOTES: 'Application was initially logged in under facility AIRS ID 123-908D.However after discussion with R.Frishmuth BBC,it was realized that this is same facility as 123-9DB7.The AIRS IDs under 123-9DB7 were transferred to 123-9D8D Notes: "Application was initially logged in under facility AIRS ID 123-9D8D.However after discussion with R.Frishmuth @ BBC,it was realized that this is same facility as 123-9D87.The AIRS IDs under 123-9DB7 were transferred to 123-9D8D. 'Application was requesting to operate flare intemittently as needed when prduced gas is unable to be sent to sales. Since the requirements ifor control devices used to comply with Reg 7 Section XVII do not explicitly require a constant pilot light,this flare could operate in compliance with Section XVII since it is equipped with an auto-igniter,achieves 95%reduction of VOC,is smokeless operation,and is enclosed Per email correspondence from Wes Hill the following are BBC's procedures when the sales/gathering line goes down: .1.When pressure in the well head separator gets too high due to the sales line going down,the well will automatically shut in(separator valve automatically shuts off). 2.The SCADA system alerts the operator that the well is down. 3.The operator will manually open the fuel line valve to the flare pilot light. 4.The operator manually turns the valve to the well head separator back on. 5.The operator manually lights the flare pilot light. '.. 6.The auto-igniter keeps the flare lit during the flaring event. So it is not possible for gas to be routed to the flare before the pilot and auto-igniter have been placed back into operation. 'This permit will go to public comment since permitted emissions are greater than 25 tpy VOC in a nonattainment area and the permit contains new synthetic minor limits. 15WE1214.CP1.xlsm AIRS(County/Plant) 123/9DB7 Permit No. 15WE1214 Date 12/10/2015 Controlled Controlled Actual Requested NCRP= Uncontrolled Emission Emisison Factor Emissions Emissions PTE Ctrl. reportable Point# SCC Pollutant or CAS Factor Source (tpy)* (tpy)* (tpy)* M. ? 005 31000205 VOC 26673 lb/MMscf Gas Analysis 46.7 933.6 95% Yes 005 31000205 NOx 0.068 Ib/MMBTU AP-42 3.5 3.5 0% Yes 005 31000205 CO 0.31 Ib/MMBTU AP-42 16 16 0% Yes 005 31000205 Benzene 43.584 lb/MMscf Gas Analysis 152.5 3051 95% Yes 005 31000205 n-Hexane 381.93 lb/MMscf Gas Analysis 1336.8 26735 95% Yes 005 31000205 Toluene 22.914 lb/MMscf Gas Analysis 80.2 1604 95% Yes 005 31000205 Ethylbenzene 0.136 lb/MMscf Gas Analysis 0.5 9.5 95% No 005 31000205 Xylenes 1.904 lb/MMscf Gas Analysis 6.7 133.3 95% No 'al 0 .0 6 W En 0 Cy O N O O Q O A ` aa) a. 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