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Home My WebLink About20161412.tiff • ,, ,� CDPH E COLORADO ACI Co Department of Public .�. Health ft Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board RECEIVED 1150O St PO Box 758 APR 21 2016 Greeley, CO 80632 WELD COUNTY April 19, 2016 COMMISSIONERS Dear Sir or Madam: On April 20, 2016, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 19225_Anschutz State 5-62-26_25 SWNW. 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 Ft Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, / 1 i,, -.sR ' Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure 2016-1412 1 - -,4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe �s{ ` a., John W. Hickenlooper, Governor I Larry Wolk,MD SPH, E jcutive Di ector and Chief Medical Officer ..j, � ilu �= ) LI > , *, I\�.�tJCGt,] A CDPHE Air Pollution Control Division ,,, Notice of a Proposed Project or Activity Warranting Public CO Vir ,M` Comment Website Title: Bill Barrett Corporation - 19225_Anschutz State 5-62-26_25 SWNW - Weld County Notice Period Begins: April 20, 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: 19225_Anschutz State 5-62-26_25 SWNW Oil and gas exploration and production facility SWNW Section 26, T5N, R62W Weld County The proposed project or activity is as follows: Oil and gas exploration and production facility including a separator/VRU, truck loadout and a backup flare. 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 15WE1439 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 Spector Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us -IvaA h3 Pe ri+e.zrc. i 1 A STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT T ° AIR POLLUTION CONTROL DIVISION y ) TELEPHONE:(303)692-3150 * *� CONSTRUCTION PERMIT PERMIT NO: I5W E 1439 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 facility, known as the 19225Anschutz State 5-62-26_25 SWNW, located in the SWNW of Section 26, Township 5 North_, Range 62 West, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Backup gas flare for when the produced gas is not able to be Flare 003 routed to the gathering system because it is down. Flare has a minimum combustion efficiency of 95%. The flare is not enclosed. 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 issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at https://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 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 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. (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 within 18 months after either, the date of issuance of this construction permit or the date on which AIRS ID: 123/9DF8 Page 1 of 8 Wellhead Version 2012-1 Col• .• D men f Public Health and Environment Air Pollution Control Division such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii)discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, 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 following information for all permitted equipment except fugitive emissions from equipment leaks shall be provided to the Division within fifteen (15) days after issuance of permit. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, 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 (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 Backup Gas 005 2.3 30.4 12.5 Point Flare See "Notes to Permit Holder#4"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. 8. 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.) AIRS ID: 123/9DF8 Page 2 of 8 I Cole_ . D men if Public Health and Environment Air Pollution Control Division Facility AIRS Pollutants Equipment Point Control Device Controlled ID Backup 009 Flare VOC and HAPs Gas Flare PROCESS LIMITATIONS AND RECORDS 9. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the 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 Backup Gas 005 Natural gas flaring (process and pilot 45.44 MMSCF/yr Flare gas combined) The owner or operator shall calculate monthly process rates based on the calendar month. 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 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) 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. (Reference: Regulation No. 1, Section II.A.1. &4.) 12. 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.) 13. These sources are subject to the odor requirements of Regulation No. 2. (State only enforceable) 14. 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 operation from any newly constructed, hydraulically fractured, or 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. 15. The open flare covered by this permit has been approved as an alternative emissions control device under Regulation Number 7, Section XVII.B.2.e. The open flare must have no visible emissions during normal operations and be designed so that an observer can, by means of AIRS ID: 123/9DF8 Page 3 of 8 Col � • D- men Public Health and Environment Air Pollution Control Division visual observation from the outside of the open flare, or by other convenient means approved by the Division, determine whether it is operating properly.This open 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. OPERATING & MAINTENANCE REQUIREMENTS 16. Upon startup of these points,the applicant shall follow the operating and maintenance(O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 17. The owner or operator shall demonstrate compliance with opacity standards using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). ADDITIONAL REQUIREMENTS 18. A revised Air Pollutant Emission Notice(APEN)shall be filed: (Reference: Regulation No.3, Part A, II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5)tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 19. 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). AIRS ID: 123/9DF8 Page 4 of 8 ilk IP Cols, • D:. amen .f Public Health and Environment Air Pollution Control Division GENERAL TERMS AND CONDITIONS 20. 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. 21. 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. 22. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 23. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 24. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the applicant, or the Division revokes a permit, the applicant or owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 25. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued,the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 26. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. By: Stephanie Spector, PE Permit Engineer AIRS ID: 123/9DF8 Page 5 of 8 ill Col, . Dr men f Public Health and Environment Air Pollution Control Division Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation. Newly permitted backup flare at a synthetic minor facility. AIRS ID: 123/9DF8 Page 6 of 8 lif0 'Col • D� men if Public Health and Environment Air Pollution Control Division Notes to Permit Holder: 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: https://www.colorado.Gov/pacific/cdphe/aacc-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. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Point Pollutant CAS# BIN (Ib/yr) reportable? Rate(Ib/yr) Benzene 71432 A 5735 Yes 287 Toluene 108883 C 3782 Yes 189 005 Ethylbenzene 100414 C 403 Yes 20 Xylenes 1130207 C 527 Yes 26 n-Hexane 110543 C 20831 Yes 1042 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Weight Emission Emission CAS# Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled NOx 0.068 0.068 AP-42 lb/MMBtu Ib/MMBtu CO 0.37 AP-42 ___ 0.37 lb/MMBtu lb/MMBtu VOC 39.279 27057.78 1352.889 Engineering Ib/mmscf Ib/mmscf Calculation 71432 Benzene 0.185 127.44 6.372 Engineering Ib/mmscf lb/mmscf Calculation 108883 Toluene 0.122 84.04 4.202 Engineering lb/mmscf lb/mmscf Calculation AIRS ID: 123/9DF8 Page 7 of 8 al Cole. Dz. men if Public Health and Environment Air Pollution Control Division Weight Emission Emission CAS# Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled 100414 Ethylbenzene 0.013 8.96 lb/mmscf 0.448 Engineering lb/mmscf Calculation 1330207 Xylenes 0.017 11.71 0.5855 Engineering lb/mmscf lb/mmscf Calculation 110543 n-hexane 0.672 462.91 23.1455 Engineering lb/mmscf lb/mmscf Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the September 10,2015 analysis of a gas sample collected from the Anschutz State 5-62-26-1724 CH2 well. The controlled VOC and HAP emissions factors for point 005 are based on the flare control efficiency of 95%. 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, n-hexane and total HAPs NANSR Synthetic Minor Source of: VOC 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 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 XXX)00( 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: 123/9DF8 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Division Information Engineer: Stephanie Spector,PE Attainment Status Control Engineer: Chris Laplantel PM10 Attainment Review Date: 03/30/2016 PM2.5 Attainment Application Date: 11/16/2015 SOx Attainment NOx Nonattainmen VOC Nonattainmen Facility Information CO Attainment Permit No. 15WE1439 County# 123 Weld AIRs Facility# 9DF8 Point# 005 Facility Equipment ID Backup Gas Flare Company Name: Bill Barrett Corporation Source Name: 19225_Anschutz State 5-62-26_25 SWNW Source Location:SWNW Section 26,T5N,R62W SIC: 1311 Elevation(feet)4646 New Permit Modification APEN X (CPI) (Issuance#) Required/Permit Fxemot Transfer of APEN Ownership Exempt/Permit Exemot 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=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 scf/lb-mol)at 60F and 1 atm Process Gas Emission Calculations Throughput(0) 45.00 MMscf/yr I 5137.0 scf/hr I 3.82 MMscf/mo MW 26.100 Ib/Ib-mol 0.001 MMscf/d mole% MW Ibx/Ibmol mass fraction E lb/hr lb/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 2.6331 44.01 1.159 0.044 CO2 15.7 137592 68.80 N2 0.5755 28.013 0.161 0.006 N2 2.2 19142 9.57 methane 62.0608 16.041 9.955 0.381 methane 134.9 1182013 591.01 ethane 15.2323 30.063 4.579 0.175 ethane 62.1 543715 271.86 propane 11.5885 44.092 5.1096 0.196 propane 69.3 606681 303.34 isobutane 1.2373 58.118 0.7191 0.028 isobutane 9.7 85381 42.69 n-butane 3.9//4 58.118 2.3116 0.089 n-butane 31.3 2/4463 13/.23 isopentane 0.7486 72.114 0.5398 0.021 isopentane 7.3 64098 32.05 n-pentane 0.9612 72.114 0.6932 0.02/ n-pentane 9.4 82301 41.15 cyclopentane 0.0534 70.13 0.0374 0.001 cyclopentane 0.5 4447 2.22 n-Hexane 0.2037 86.18 0.1755 0.007 n-Hexane 2.4 20844 10.42 cyclohexane 0.0861 84.16 0.0725 0.003 cyclohexane 1.0 8604 4.30 Other hexanes 0.2536 86.18 0.2186 0.008 -Other hexanes 3.0 25950 12.97 heptanes 0.204 100.21 0.2044 0.008 heptanes 2.8 24273 12.14 methylcyclohexane 0.0467 98.19 0.0459 0.002 methylcyclohexane 0.6 5444 2.72 224-TMP 0.0001 114.23 0.0001 0.000 224-TMP 0.0 14 0.01 Benzene 0.0618 78.12 0.0483 0.002 Benzene 0.7 5732 2.87 Toluene 0.0345 92.15 0.0318 0.001 Toluene 0.4 3775 1.89 Ethylbenzene 0.0033 106.17 0.0035 0.000 Ethylbenzene 0.0 416 0.21 Xylenes 0.0041 106.17 0.0044 0.000 Xylenes 0.1 517 0.26 C8+Heavies 0.0341 87.614 0.0299 0.001 08+Heavies 0.4 3547 1.77 VOC mass fraction: 0.3925 Total VOC Emissions(Uncontrolled) 608.2 26.100 annual limit assuming 95%control 30.4 Notes monthly limit assuming 95%control(lb/mo.) 5165.9 Mole%,MW,and mass fractions from Anschutz State 5-62-26-1724 CH2 gas analysis collected 9/10/15. 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. Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Backup flare for 95%control of produced gas when sales line gathering system is down Manufacturer Steffes Corp Dual SHP-6 Model Serial Number TBD Gas Heating Value 1484 Btu/scf Throughput 66780 MMBtu/yr Combustion emission factor source: AP-42:Chapter 13.5 0.068 lb NOX/MMBtu 0.37 lb CO/MMBtu 2.27 tpy NOX 12.35 tpy CO Pilot Gas Emission Calculations Requested volume from pilot gas= 0.44 mmscf/yr Gas Heating Value 1484 Btu/scf Throughput 652.96 MMBtu/yr Combustion emission factor source: AP-42:Chapter 13.5 0.068 lb NOX/MMBtu 0.37 lb CO/MMBtu 0.57 lb VOC/MMBtu* *VOC emission factor has changed since application date 0.02 tpy NOX 0.12 tpy CO 0.19 tpy VOC No HAP emissions are generated with the pilot gas Emissions Summary 2.3 tpy NOX Uncontrolled/PTE 12.5 tpy CO 608.4 tpy VOC' *Will use Operator's emission calculations. They are very close and is Controlled 30.4 tpy VOC probably just a rounding issue in the calculations. Controlled are the same Uncontrolled Operator Uncontrolled Scenario A Controlled Operator Controlled Total(Ib/yr) Unc.(Ib/yr) Total(TPY) Reportable? Total(lb/yr) Con.(TPY) Total(TPY) Benzene 5732 5735 2.9 Yes 287 287 0.1 Toluene 3775 3782 1.9 Yes 189 189 0.1 Ethylbenzene 416 403 0.2 Yes 21 20 0.0 Xylenes 517 527 0.3 Yes 26 26 0.0 n-hexane 20844 20831 10.4 Yes 1042 1042 0.5 224-TMP 14 0 0.0 No 1 0 0.0 Will use Operator's emission calculations. They are very close and is probably just a rounding issue in the calculations. 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 LA 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 Required required? AQCC Regulation 7 Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014? yes This separator is subject to Reg 7,Section XVII.G.and control requirements of Reg 7,XVII.B.2 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Emission Factors for Permit Uncontrolled NOX 101.9 Ib/MMscf natural gas vented CO 554.4 Ib/MMscf natural gas vented VOC 27057.78 lb/MMscf natural gas vented Benzene 127.44 lb/MMscf natural gas vented Toluene 84.04 Ib/MMscf natural gas vented Ethylbenzene 8.96 lb/MMscf natural gas vented Xylenes 11.71 lb/MMscf natural gas vented n-Hexane 462.91 lb/MMscf natural gas vented 224-TMP 0.00 Ib/MMscf natural gas vented Controlled NOX 101.9 lb/MMscf natura gas vented CO 554.4 Ib/MMscf natura gas vented �• 1353 lb/MMscf natura gas vented :enzene .3722 • ' 's na ura gas vented o uene 4.202 • ' 's na ura gas vented •enzene 0.4478 • ' 's na ura gas vented enes p.5856 • ' 's na ura gas vented n- exane 23. 456 • ' ' na ura gas vented '' 0.0000 • ' 's na ura gas vented .,. . STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT .45 Few AIR POLLUTION CONTROL DIVISION y o TELEPHONE:(303)692-3150 * *1876* CONSTRUCTION PERMIT PERMIT NO: 15YYE1441 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 facility, known as the 19225_Anschutz State 5-62-26_25 SWNW, located in the SWNW of Section 26, Township 5 North, Range 62 West, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Heated separator and vapor recovery towers to reduce flash VRU emissions. The vapor recovery unit (VRU) shall control emissions 006 by 100% for 70% of the time. The VRU bypass emissions are a Bypass function of condensate throughput during VRU bypass. VRU bypass is assumed 30% of the time. 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 issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at https://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 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 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. (Reference: Regulation No. 3, Part B, III.G.2). AIRS ID: 123/9DF8 Page 1 of 8 Wellhead Version 2012-1 olo De ent f Public Health and Environment Air Pollution Control Division 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part 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 following information shall be provided to the Division within fifteen (15) days after issuance of permit. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, 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 (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 VRU Bypass 006 --- 8.5 2.1 Point See "Notes to Permit Holder #4" 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 AIRS ID: 123/8DF8 Page 2 of 8 olo . Deb- - ent f Public Health and Environment Air Pollution Control Division twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 8. 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 VRU 006 VRU and six (6) combustors VOC and HAPs Bypass PROCESS LIMITATIONS AND RECORDS 9. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the 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 Condensate Throughput to separators VRU Bypass 003 and VRTs while VRUs are being 110,311 BBL/yr bypassed The owner or operator shall calculate monthly process rates based on the calendar month. 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 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) 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. (Reference: Regulation No. 1, Section II.A.1. &4.) 12. 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.) 13. These sources are subject to the odor requirements of Regulation No. 2. (State only enforceable) AIRS ID: 123/8DF8 Page 3 of 8 • olo De-` ent f Public Health and Environment Air Pollution Control Division 14. The enclosed combustion devices covered by this permit are subject to Regulation No. 7, Section XVII.B General Provisions (State only enforceable). These requirements include, but are not limited to: XVII.B.2.b If a 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 combustion device, or by other means approved by the Division, determine whether it is operating properly. XVII.B.2.d Auto-igniters: All combustion devices used to control emissions of hydrocarbons installed on or after May 1, 2014 must be equipped with and operate an auto-igniter. 15. The separators and VRTs covered by this permit are subject to Regulation 7, Section XVII.G. (State Only). On or after August 1, 2014, gas coming off a separator, produced during normal operation from any newly constructed, hydraulically fractured, or 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 16. Upon startup of these points, the applicant shall follow the operating and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) 17. Within 180 days after issuance of this permit, the owner or operator shall continuously monitor and record VRU bypass time while emissions are routed to the Enclosed Control Devices using a SCADA (supervisory control and data acquisition) system. The owner or operator shall use monthly VRU downtime records, monthly hydrocarbon liquid throughput records and calculation methods detailed in the O&M Plan to demonstrate compliance with the process and emissions limits specified in this permit. After issuance of this permit and prior to startup of the SCADA monitoring system, the operator shall monitor and record VRU downtime manually through site visits a minimum of once per week until the SCADA monitoring system is continuously monitoring and recording VRU downtime, at which point the manual checks for VRU downtime are no longer required. If the VRU is observed to not be operating during a site visit, the operator must record downtime hours as the number of hours elapsed since the last time the VRU was observed to be operating. COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 18. The owner or operator shall demonstrate compliance with opacity standards, using EPA Method 22 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 (1) minute in any fifteen (15) minute period during normal operation. (Reference: Regulation No. 7, Section XVII.A.II) AIRS ID: 123/8DF8 Page 4 of 8 lipolo. - De'° ent »f Public Health and Environment Air Pollution Control Division ADDITIONAL REQUIREMENTS 19. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 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. AIRS ID: 123/8DF8 Page 5 of 8 olo i De ent f Public Health and Environment Air Pollution Control Division 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 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: Stephanie Spector, PE Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation. Newly permitted emission point source at a synthetic minor facility. AIRS ID: 12318DF8 Page 6 of 8 �" olo De - ent f Public Health and Environment Air Pollution Control Division Notes to Permit Holder: 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: https://www.colorado.gov/pacific/cdphe/agcc-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. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Point Pollutant CAS# BIN (Ib/yr) reportable? Rate(lb/yr) Benzene 71432 A 1205 Yes 60 Toluene 108883 C 1001 Yes 50 Ethylbenzene 100414 C 390 Yes 20 006 Xylenes 1130207 C 264 Yes 13 n-Hexane 110543 C 6330 Yes 317 2,2,4- 540841 C 667 Yes 33 Trimethylpentane 5) The emission levels contained in this permit are based on the following emission factors: Point 006: Emission Emission CAS# Pollutant Factors Factors Source Uncontrolled Controlled NOx 0.068 lb/MMBtu 0.068 lb/MMBtu AP-42 CO 0.37 lb/MMBtu 0.37 lb/MMBtu AP-42 VOC 3.0896 lb/bbl 0.1545 lb/bbl Engineering Calculation 71432 Benzene 0.0109 lb/bbl 0.0005 lb/bbl Engineering Calculation 108883 Toluene 0.0091 lb/bbl 0.0005 lb/bbl Engineering Calculation 100414 Ethylbenzene 0.0035 lb/bbl 0.0002 lb/bbl Engineering Calculation 1330207 Xylenes 0.0024 lb/bbl 0.0001 lb/bbl Engineering Calculation 110543 n-hexane 0.0574 lb/bbl 0.0029 lb/bbl Engineering Calculation AIRS ID: 123/8DF8 Page 7 of 8 olo De. ent f Public Health and Environment Air Pollution Control Division Note: The uncontrolled VOC and HAP emissions for this point were calculated using the September 10, 2015 analysis of a gas sample collected from the Anschutz State 5-62-26- 1724 CH2 well. The controlled VOC and HAP emissions factors for point 006 are based on the flare control efficiency of 95%. 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, n-hexane and total HAPS NANSR Synthetic Minor 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.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 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: 123/8DF8 Page 8 of 8 Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information Company Name: Bill Barrett Corporation Permit Number: 15WE1441 19225 Anschutz State 5-62-26 25 SWNW Source Location: SWNW Section 26 T5N R62W,Weld County(non-attainment) Heated separator and vapor recovery towers to reduce flash emissions. Description VRU bypass emissions are a function of condensate throughput during VRU bypass. AIRS ID: 123-9DF8-006 Date: March 24, 2016 Review Engineer: Stephanie Spector, PE Control Engineer: Chris Laplante Section 2-Action Completed Grandfathered Modification APEN Required/Permit Exempt X CP1 Transfer of Ownership APEN Exempt/Pemiit Exempt Section 3—Applicant Completeness Review Was the correct APEN submitted for this source type? X Yes No Is the APEN signed with an original signature? X Yes No Was the APEN filled out completely? X Yes No Did the applicant submit all required paperwork? X Yes No Did the applicant provide ample information to determine emission rates? X Yes No If you answered "no"to any of the above, when did you mail an Information Request letter to the source? On what date was this application complete? November 16, 2015 Section 4—Source Description AIRS Point Equipment Description Heated separator and vapor recovery towers to reduce flash emissions. The vapor 006 recovery unit(VRU)shall control emissions by 100%for 70%of the time. The VRU bypass emissions are a function of condensate throughput during VRU bypass. VRU bypass is assumed 30%of the time. Is this a portable source? Yes X No Is this location in a non-attainment area for any criteria X Yes No pollutant? If"yes", for what pollutant? PM,() CO X Ozone Is this location in an attainment maintenance area for Yes X No any criteria pollutant? If"yes", for what pollutant? (Note: These pollutants are subject to minor source PM10 CO Ozone RACT per Regulation 3, Part B, Section III.D.2) Is this source located in the 8-hour ozone non- attainment region?(Note: If"yes" the provisions of X Yes No Regulation 7, Sections XII and XVII.C may apply) Page 1 Section 5-Emission Estimate Information AIRS Point Emission Factor Source VOC and HAPS were calculated using site-specific emission factors from ProMax 006 simulation model (Refer to Section 14 for calculations). NOx and CO emissions were calculated using AP-42, Table 13.5. Did the applicant provide actual process data for the emission inventory? X Yes No Basis for Potential to Emit(PTE) AIRS Point Process Consumption/Throughput/Production 006 110,311 bbl/yr(91926*1.2) Basis for Actual Emissions Reported During this APEN Filing (Reported to Inventor) AIRS Point Process Consumption/Throughput/Production Data Year 006 91926 bbl/yr Basis for Permitted Emissions(Permit Limits) AIRS Point Process Consumption/Throughput/Production 006 110,311 bbl/yr Does this facility use control devices? X Yes No AIRS Point Process Control Device Description % Reduction Granted 006 01 VRU operating 70%of the time 100 006 02 Six(6) enclosed combustors 95 Section 6—Emission Summary (tons per year) Point NOx VOC CO SOx PM10 Single Total HAP HAP PTE: 006 0.5 170.4 2.1 - -- 3.2 (n-hexane) 4.9 Uncontrolled point 006 0.5 8.5 2.1 --- __ 0.16 0.2 source emission rate: (n-hexane) TOTAL PERMITTED 0.5 8.5 2.1 -- ___ 0.16 (n- 0.2 (TPY) hexane) Section 7—Non-Criteria/ Hazardous Air Pollutants Uncontrolled Are the Controlled Emission Pollutant CAS# BIN Emission Rate emissions (Ib/yr) reportable? Rate(Ib/yr) Benzene 71432 A 1205 Yes 60 Toluene 108883 C 1001 Yes 50 Ethylbenzene 100414 C 390 Yes 20 Xylenes 1130207 C 264 Yes 13 n-Hexane 110543 C 6329 Yes 317 2,2,4-Trimethylpentane 540841 C 667 Yes 33 Note: Regulation 3, Part A, Section li.B.3.b APEN emission reporting requirements for non-criteria air pollutants are based on potential emissions without credit for reductions achieved by control devices used by the operator. Page 2 Section 8—Testing Requirements Will testing be required to show compliance with any emission rate or regulatory X Yes No standard? If"yes", complete the information listed below AIRS Point Process Pollutant Regulatory Basis Test Method 006 01 Visible Regulation No. 7, Section XVII.A.II EPA Method 22 Emissions 9 Section 9—Source Classification What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what programs? X Title V PSD NA NSR X MACT Is this a modification to an existing permit? Yes X No If"yes"what kind of modification? Minor Synthetic Major Minor Section 10—Public Comment Does this permit require public comment per CAQCC Regulation 3? X Yes No If"yes",for which pollutants?Why? VOC For Reg. 3, Part B, III.C.1.a (emissions increase > 25/50 tpy)? Yes X No For Reg. 3, Part B, III.C.1.c.iii (subject to MACT)? Yes X No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No Section 11 —Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards(NAAQS)? AIRS Point Section 12-Regulatory Review emulation 1 -Particulate, Smoke, Carbon Monoxide and Sulfur Dioxide 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 006 A(July, 1992)) in all subsections of Section II. A and B of this regulation. Section II.A.5 -Smokeless Flare or Flares for the Combustion of Waste Gases 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. Regulation 2-Odor Section I.A- 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 006 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. Page 3 Regulation 3-APENs, Construction Permits, Operating Permits, PSD Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for: 006 each individual emission point in a non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant(pollutants are not summed) for which the area is non-attainment. (Applicant is required to file an APEN since emissions exceed 1 ton per year VOC) Part B-Construction Permit Exemptions 006 Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 2.0 TPY threshold (Reg. 3, Part B, Section II.D.2.a) Regulation 6 New Source Performance Standards 006 None Regulation 7-Volatile Organic Compounds 006 None Regulation 8-Hazardous Air Pollutants 006 None Section 13—Aerometric Information Retrieval System Coding Information Point Process Process Description Emission Pollutant/ Fugitive Emission Factor Control Factor CAS# (Y/N) Source (o/o) 73.5626 Engineering lb/1000 gal VOC No Calculation 95 0.068 AP-42, lb/mmbtu NOx No Table 13.5-1 NA 0.31 AP-42, lb/mmbtu CO No Table 13.5-1 NA, 0.2601 Benzene No Engineering 95 lb/1000 gal Calculation 01 Flare 0.2161 Toluene No Engineering 95 006 lb/1000 gal Calculation 0.0842 Ethlybenzene No Engineering 95 lb/1000 gal Calculation 0.0570 Engineering lb/1000 gal Xylenes No Calculation 95 1.3663 n-hexane No Engineering 95 lb/1000 gal Calculation 0.1440 2 2 4 TMP No Engineering 95 lb/1000 gal Calculation SCC 31000205-Flares Page 4 Section 14—Miscellaneous Application Notes AIRS Point 006 Flare Heated separator and vapor recovery towers(VRTs) are controlled by vapor recovery unit(VRU) at a destruction efficiency of 100%for 70% of the time. It is assumed that 30% of the time the VRU will be bypassed and therefore emissions will be routed to the six(6) enclosed combustors onsite with a destruction efficiency of 95%. Operator used ProMax to calculate VOC and HAP emissions from this point source. The ProMax run is based on 1 bbl/day. To calculate the desired emissions on a lb/bbl basis, the emissions are multiplied by 24 hrs/day and then dividing by 1 bbl/day. This results in lb/bbl emission factor. Emissions generated from the flare are: ProMax Emission Total Total Total Total Emission "TO factor uncontrolled uncontrolled controlled controlled factor VRU" (lb/bbl) emissions emissions emissions emissions (lb/1000 (lb/hr) (lb/yr) (TPY) (lb/yr) (TPY) gal) VOC 0.1287 3.0896 340820.0951 170.4100 17041.0048 8.5205 73.5625 Benzene 0.0005 0.0109 1205.0431 0.6025 60.2522 0.0301 0.2601 Toluene 0.0004 0.0091 1001.2224 0.5006 50.0611 0.0250 0.2161 Ethylbenzene 0.0001 0.0035 390.2184 0.1951 19.5109 0.0098 0.0842 Xylenes 0.0001 0.0024 264.2470 0.1321 13.2124 0.0066 0.0570 n-hexane 0.0024 0.0574 6329.9920 3.1650 316.4996 0.1582 1.3663 224-TMP 0.0003 0.0060 667.1807 0.3336 33.3590 0.0167 0.1440 NOx and CO were calculated using AP-42, Table 13.5-1 emission factors. VRU Bypass (including flash gas and W&B and apportioned pilot) NOx= 0.068 lb 13199 mmbtu 1 T = 0.4488 TPY NOx mmbtu yr 2000 lb VRU Bypass(including flash gas and W&B and apportioned pilot) CO= 0.31 lb 13199 mmbtu 1 T = 2.046 TPY CO mmbtu yr 2000 lb An extended gas analysis was provided in the application dated 9/10/2015. The gas analysis was preformed less than a year of submittal. An updated extended gas analysis will not be required because an extended gas analysis was performed within a year of this submittal and included with this package. Page 5 2 . A STATE OF COLORADO of-solo COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION * o) TELEPHONE: (303) 692-3150 #L*1876* CONSTRUCTION PERMIT PERMIT NO: 15WE1443 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 facility, known as the 19225_Anschutz State 5-62-26_25 SWNW, located in the SWNW of Section 26, Township 5 North, Range 62 West, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Condensate 007 Truck loadout of condensate. Emissions from the loadout Loadout are not controlled. 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 of the latter of commencement of operation or issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at https://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 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) 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. (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: 123/9DF8 Page 1 of 8 Condensate Loadout TM Version 2012-1 Col do • p e o Public Health and Environment e Air Pollution Control Division 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.) 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 Point Emission Type ID vOC Condensate 007 22.0 Point Loadout 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. 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 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. PROCESS LIMITATIONS AND RECORDS 6. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits AIRS ID: 123/9DF8 Page 2 of 8 ipCo °" do s p e o Public Health and Environment 1. Air Pollution Control Division AIRS Process Parameter Annual Limit Point 007 Condensate Loading 367,704 BBL The owner or operator shall calculate monthly process rates based on the calendar month. 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 7. 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. Emission control devices subject to Regulation 7, Sections XII.C.1.d or XVII.B.1.c shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. &4.) 8. This source is located in an ozone non-attainment or attainment-maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 9. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 10. The owner or operator shall follow loading procedures that minimize the leakage of VOCs to the atmosphere including, but not limited to (Reference: Regulation 3, Part B, II I.D.2): a. Hoses, couplings, and valves shall be maintained to prevent dripping, leaking, or other liquid or vapor loss during loading and unloading. b. All compartment hatches at the facility (including thief hatches) shall be closed and latched at all times when loading operations are not active, except for periods of maintenance, gauging, or safety of personnel and equipment. c. The owner or operator shall inspect onsite loading equipment during loading operations to monitor compliance with above conditions. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 11. All hydrocarbon liquid loading operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. OPERATING & MAINTENANCE REQUIREMENTS AIRS ID: 123/9DF8 Page 3 of 8 Co :do • p a o"Public Health and Environment • t Air Pollution Control Division }q}q 12. This source is not required to follow a Division-approved operating and maintenance plan. COMPLIANCE TESTING AND SAMPLING 13. This source is not required to comply with any testing and sampling requirements. ADDITIONAL REQUIREMENTS 14. 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 d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 15. 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 16. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AIRS ID: 123/9DF8 Page 4 of 8 Co do D p s e o Public Health and Environment Air Pollution Control Division 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. 17. 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. 18. 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. 19. 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. 20. 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. 21. 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. 22. 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: AIRS ID: 123/9DF8 Page 5 of 8 1 Co i do • p e o Public Health and Environment 11 Air Pollution Control Division Stephanie Spector, PE Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation. Newly permitted truck loadout at a synthetic minor facility. AIRS ID: 123/9DF8 Page 6 of 8 Co I do • 'p e o` Public Health and Environment II -; 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 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/agcc-reps 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 Point Pollutant CAS# BIN (Ib/yr) reportable? Rate (Ib/yr) Benzene 71432 A 125 No N/A 007 n-Hexane 110543 C 634 Yes N/A 5) The emission levels contained in this permit are based on the following emission factors: Emission Factors - Uncontrolled CAS Pollutant lb/BBL loaded Source VOC 0.1194 AP-42 110543 n-hexane 0.0017 AP-42 The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1 (version 1/95) using the following values: L= 12.46*S*P*M/T S = 0.6 (Submerged loading: dedicated normal service) P (true vapor pressure) = 2.824 psia M (vapor molecular weight) = 69 Ib/Ib-mol T (temperature of liquid loaded) = 512.45°R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the vapors by the VOC emission factor. 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 AIRS ID: 123/9DF8 Page 7 of 8 Co do I p e o Public Health and Environment Air Pollution Control Division 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 and total HAPs NANSR Synthetic Minor Source of: VOC 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 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 XXX)OCX 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: 123/9DF8 Page 8 of 8 Division Information Engineer: Stephanie Spector Control Engineer: Christopher Laplante Review Date: 03/24/2016 Application Date: 11/16/2015 Facility Identifiers Permit No. 15WE1443 Coun # 123 Weld AIRs Facility# 9DF8 Point# 007 Section 01: Administrative Information Company Name: Bill Barrett Corporation Source Name: 19225 Anschutz State 5-62-26 25 SWNW Source Location: SWNW Section 26,T5N,R62W SIC: 1311 Elevation(feet)4646 Portable Source? Portable Source Homebase Mailing Address 1: Bill Barrett Corporation Address Address 2: 1099 18th Street,Suite 2300 City,State Zip: Denver,CO 80202 Name: Rusty Frishmuth Person To Phone: 303-312-8718 Contact Fax: 303-291-0420 Email: rfrishmuth(aibillbarrettcorp.com Section 02-Emissions Inventory Analysis AP-42:Chapter 5.2 Equation 1 L=12.46*S*P'M/T L=loading losses in lb per 1000 gallons loaded S=Saturation Factor P=true vapor pressure of liquid loaded[psis] M=molecular weight of vapors[lb/lb-mole] T=temperature of bulk liquid loaded[deg.R] 1 degree Fahrenheit=460.67 degree Rankine Criteria Pollutants Variables S 0.6 Submerged loading:dedicated normal service P 2.824 psia M 69 lb/lb-mole T 512.45 deg.R L 2.84 lb/10^3 gal 1.19E-01 lb/bbl Annual requested Throughput 15,443,568 Gallons per Year Annual requested VOC emissions 43, '1 Pounds per Year 22.' Tons VOC per Year Non-Criteria Reportable Air Pollutants/Hazardous Air Pollutants Mass Ratio (pounds Emissions Flow(lb/hr)from HAP/pound uncontrolled Are Emissions Emission Emission factor Component ProMax VOC) (Ib/yr) Reportable? factor(lb/bbl) (lb/1000 gal) VOC 0.00721411 - See above — See above See above Benzene 0.000020491 0.0028404 125 No 0.00034 0.0081 n-hexane 0.00010413 0.0144342 634 Yes 0.00172 0.0410 Section 03-Regulatory Considerations Is this site considered an exploration and production location(e.g.well pad)? Yes Does the operator unload less than 10,000 gallons(238 BBLs)of crude oil per day on an annual average basis? No This emissions point is not categorically exempt from permit requirements per Regulation 3,Part B,Section II.D.1.l Is this site located in an ozone non-attainment area? Yes This source is subject to Reasonably Available Control Technology(RACT)requirements under Regulation 3, Part B Section III.D.2.a. This requirement is met using"submerged fill." Is this facility classified as a major source of HAPs? No 40 CFR,Part 63,Subpart EEEE"Organic Liquids Distribution"MACT provisions does not apply Does this facility involve the loading of refined crude/condensate in the form of"gasoline"? No Is this facility classified as a"Terminal"as defined per Regulation 7,Section VI.C.2.a? No Is this facility classified as a"Bulk Plant"as defined per Regulation 7,Section VI.C.3.a? No Section 04-SCC Coding Emissions Factor Pollutant (lb/1,000 gallons) VOC 2.84 lb/1,000 gallons Benzene 0.0081 lb/1,000 gallons n-hexane 0.0410 lb/1,000 gallons 40600132:Crude Oil:Submerged Loading(Normal Service) 0 �O b o y c3 • O 0 O z .a 0 C O00 � o WR� LUIQ ,i�TT•..M M O(v N N N .nCI O y � ,.o,\o oa L �m cn!cn a�tO G ' �.+ °- .O o O a 0 0a Wi •'> °� •O �►.�.M-�':..M.;M c`�3 I ❑ o f > J w '� CE e° 3 a.) P, a .� ro o o `moo V o a k C G ° .�. C G Lam. °� — 'O ~ >C > ei C C ° d0 o rj a N a) cra y C ac I =I O' O ., =I O ' .. 4 '' C C q = W b b0. 00 n N M p'14 0 U a) . 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