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HomeMy WebLinkAbout20132039.tiffSTATE OF COLORADO John W. Hickenlooper, Governor Karin McGowan Interim Executive Director Dedicated to protecting and improving the health and environment of the people of Colorado 4300 Cherry Creek Dr. S. Denver, Colorado 80246-1530 Phone (303) 692-2000 Located in Glendale, Colorado http://www.cdphe.state.co.us Weld County Clerk & Recorder 1402 N 17th Ave Greeley, CO 80631 July 24, 2013 Dear Sir or Madam: Laboratory Services Division 8100 Lowry Blvd. Denver, Colorado 80230-6928 (303) 692-3090 Colorado Department of Public Health and Environment RECEIVED JUL 302013 WELD COMMISSIONERS On July 28, 2013, the Air Pollution Control Division will publish a public notice for Whiting Oil and Gas Corporation — Wolf 35-2623H & Wolf 35-2613H Pad, in the The Greeley Tribune. 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 date the public notice is published. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health & Environment APCD-SS-B 1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure lie cifimi 715113 CC? FL, tit_,BA) -7(31 2O13 -2O39 STATE OF COLORADO John W. Hickenlooper, Governor Kahn McGowan Interim Executive Director Dedicated to protecting and improving the health and environment of the people of Colorado 4300 Cherry Creek Dr. S. Denver, Colorado 80246-153O Phone (303) 692-2000 Located in Glendale, Colorado http://www.cdphe.state.co.us Laboratory Services Division 8100 Lowry Blvd. Denver, Colorado 80230-6928 (303) 692-3090 Colorado Department of Public Health and Environment Website Title: Whiting Oil and Gas Corporation — Wolf 35-2623H & Wolf 35-2613H Pad — Weld County Released To: The Greeley Tribune On: July 24, 2013 Published: July 28, 2013 PUBLIC NOTICE OF' A PROPOSED PROJECT OR ACTIVITY WARRANTING PUBLIC COMMENT 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: Whiting Oil and Gas Corporation Facility: Wolf 35-2623H & Wolf 35-2613H Pad Nine Wellpad Facilities in Weld County Weld County Weld County The proposed project or activity is as follows: Operator is flaring gas from the separators at these facilities when the pipeline is offline. 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.l.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 13WE1633 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 www.colorado.gov/cdphe/AirPublicNotices 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: Peter Armington Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B 1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 12WE1529 Issuance 1 DATE ISSUED: ISSUED TO: Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Horsetail 18-0733H Pad, located in the SWSE of Section 18, Township 10N, Range 57W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description TK-1,TK-2,TK-3 002 Three (3) 400 BBL fixed roof storage tanks used to store crude oil. Emissions from these tanks are controlled by a flare. 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 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 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, II.G.2). 3, This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9808/002 Page 1 of 7 Condensate Tank SM/M Version 2012-1 Colorado Department of Public Health and Environment Air Pollution Control Division 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 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.) 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 a 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 Equipment ID AIRS Point Tons per Year Emission Type NO NO, VOC CO TK-1,TK-2,TK-3 002 --- 1.75 --- Point 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. 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 Equipment ID AIRS Point Control Device Pollutants Controlled TK-1,TK-2,TK-3 002 Flare VOC PROCESS LIMITATIONS AND RECORDS AIRS ID: 123/9808/002 Page 2 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Process Parameter Annual Limit TK-1,TK-2,TK-3 002 Oil throughput 160,600 BBUyr 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 9. 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 Number3, Part B, III.E.) (State only enforceable) 10. 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. 11. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) OPERATING & MAINTENANCE REQUIREMENTS 12. 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.) ADDITIONAL REQUIREMENTS 13. 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 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 AIRS ID: 123/98O8/002 Page 3 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division 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. 14. 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). 15. MACT Subpart HH - National Emission Standards for Hazardous Air Pollutants From Oil and Natural Gas Production Facilities major stationary source requirements shall apply to this stationary source at any such time that this stationary source becomes major solely by virtue of a relaxation in any permit limitation and shall be subject to all appropriate applicable requirements of Subpart HH. (Reference: Regulation No. 8, Part E) 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 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. AIRS ID: 123/9808/002 Page 4 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance Date Description Issuance 1 This Issuance Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9808/002 Page 5 of 7 Colorado Department of Public Health and Environment 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: http://www.cd phe. state.co. us/req ulations/airreqs/100102agcccommon provisionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (Ib/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 002 Benzene 71432 A 181 Yes 9 Hexane 110543 C 1,118 Yes 56 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Emission Factors Uncontrolled lb/BBL Oil Throughput Emission Factors - Controlled lb/BBL Oil Throughput Source VOC 0.437 0.022 HYSYS & EPA Tanks 110543 n -Hexane 0.0070 0.00035 HYSYS & EPA Tanks 71432 Benzene 0.0011 0.000055 HYSYS & EPA Tanks Note: The controlled emissions factors for point 002 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: AIRS ID: 123/9808/002 Page 6 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Applicable , Requirement Status Operating Permit Synthetic Minor Source of: VOC. n -hexane PSD 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.gboaccess.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) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: littp://www.cdphe.state.co.us/apioilqaspermittinq.html AIRS ID: 123/9808/002 Page 7 of 7 Construction Permit Application Preliminary Analysis Summary Section 1 — Applicant Information Company Name: Whiting Oil and Gas Corporation Permit Number: 12WE1529 Source Location: SWSE Sec 18 T10N R57W Equipment Description: Three (3) 400 bbl crude oil tanks AIRS ID: 123/9808/002 Date: 6/1/2013 Review Engineer: Peter Armington Control Engineer: Carissa Money Section 2 — Action Completed Grandfathered Modification APEN Required/Permit Exempt X Initial Approval I Transfer of Ownership APEN Exempt/Permit Exempt * If tank is a true minor source at a true minor facility, it may be granted "Final Approval" without first being issued an Initial Approval permit *Grandfathered exemption is for any tanks in service prior to December 30, 2002 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? January 17, 2013 Section 4 — Source Description AIRS Point I Equipment Description 002 I Three (3) above ground 400 bbl atmospheric condensate storage tank Is this a portable source? Yes X No Is this location in a non -attainment area for any criteria pollutant? Yes X No If "yes", for what pollutant? PM10 CO Ozone Is this location in an attainment maintenance area for any criteria pollutant? Yes X No If "yes", for what pollutant? (Note: These pollutants are subject to minor source RACT per Regulation 3, Part B, Section III.D.2) PM10 CO Ozone Is this source located in the 8 -hour ozone non - attainment region? (Note: If "yes" the provisions of Regulation 7, Sections XII and XVII.C may apply) Yes X No Page 1 Section 5 - Emission Estimate Information AIRS Point Emission Factor Source 002 Source may provide site -specific emission factors using gas sample and E&P Tanks. Will need to calculate emission factors from E&P Tanks. Emission factor calculations are found in the 4/12/2012 application for permit -exempt status for this site. 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 002 160,600 BBL per year Basis for Actual Emissions Reported During this APEN Filing (Reported to Inventory) AIRS Point Process Consumption/Throughput/Production Data Year 002 160,600 BBL per year 2012 Basis for Permitted Emissions (Permit Limits) AIRS Point Process Consumption/Throughput/Production 002 160,600 BBL per year Does this source use a control device? X Yes No AIRS Point Process Control Device Description % Reduction Granted 002 01 Flare 95 Section 6 — Emission Summary (tons per year) Point NO, VOC CO Single HAP Total HAP PTE: 002 35.1 0.56 (Hexane) 0.65 Uncontrolled point source emission rate: 002 35.1 0.56 (Hexane) 0.65 Controlled point source emission rate: 002 1.75 0.03 (Hexane) 0.03 Total APEN Reported emissions: 002 1.75 0.03 (Hexane) 0.03 Section 7 — Non -Criteria / Hazardous Air Pollutants Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Ib! r Rate ( y ) Benzene 71432 A 181 Yes 9 n -Hexane 110543 C 1,118 Yes 56 Note: Regulation 3, Part A, Section II.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. Uncontrolled HAP emission rates taken from previous APEN filing. Section 8 —Testing Requirements Will testing be required to show compliance with any emission rate or regulatory standard? Yes X No Page 2 Section 9 — Source Classification Is this a new previously un-permitted source? X i Yes No What is this facility classification? True Minor X Synthetic Minor Major Classification relates to what programs? X Title V X PSD I NA NSR X MACT Is this a modification to an existing permit? I1Yes X No If "yes" what kind of modification? Minor Synthetic Minor Major Section 10 — Public Comment Does this permit require public comment per CAQCC Regulation 3? Yes X No If "yes", for which pollutants? Why? 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.ii (subject to MACT)? Yes X No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? Yes X No Section 11 — Modeling Is modeling required to demonstrate compliance with National Ambient Air Quality Standards (NAAQS)? If "yes', for which pollutants? Why? Yes X No AIRS Point Section 12 — Regulatory Review Regulation 1 - Particulate, Smoke, Carbon Monoxide and Sulfur Dioxide 002 Section Il.A.1 - Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in excess of 20% opacity. This standard is based on 24 consecutive opacity readings taken at 15 -second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix A (July, 1992)) in all subsections of Section II. A and 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 ' 002 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 measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air. Regulation 3 - APENs, Construction Permits, Operating Permits, PSD_ 002 Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for: each individual emission point in an attainment area with uncontrolled actual emissions of two tons per year or more of any individual criteria pollutant (pollutants are not summed) for which the area is attainment. (Applicant is required to file an APEN since emissions exceed 2 tons per year VOC) 002 Part B - Construction Permit Exemptions Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 5.0 TPY threshold (Reg. 3, Part B, Section II.D.3.a) Regulation 6.- New Source Performance Standards Page 3 002 NSPS Kb: for storage vessels greater than 19,800 gallons after 7/23/84. Is this source greater than 19,800 gallons (471 bbl)? No Is this, source subject to NSPS Kb? No Regulation 7 - Volatile Organic Compounds 002 Tanks contain crude oil; Regulation 7 does not apply. Regulation 8 — Hazardous Air Pollutants 002 MACT EEEE: Organic Liquids Distribution Pick one: • This source is not subject to MACT EEEE because it is not located at a major source of HAP, 002 MACT HH Pick one: • This source is not subject to MACT HH because it is not located at a major source of HAP. Section 13 — Aerometric Information Retrieval System Coding Information Point Process Process Description Emission Factor Pollutant / CAS # Fugitive (Y/N) Emission Factor Source Control (%) 002 01 E&P Oil StorageBenzene Tanks 10.4 lb/1000 gal throughput VOC No ' HYSYS & EPA Tanks 95 0.0262 lb/1000 gal throughput / 71432 No HYSYS & EPA Tanks 95 0.167 lb/1000 gal throughput n -Hexane / 110543 No HYSYS & EPA Tanks 95 SCC 40400311 — Fixed Roof Tank, Condensate, working+breathing+flashing losses Section 14 — Miscellaneous Application Notes AIRS Point 002 Condensate Storage Tanks A permit will be issued because the uncontrolled VOC emissions are greater than 2 TPY (APEN threshold). This source is not located in the 8 -hour ozone non -attainment area (this part of Weld County is in attainment). The statewide requirements of Regulation 7 do not currently apply to this source because it stores crude oil. Page 4 STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 131111E1625 Issuance 1 DATE ISSUED: ISSUED TO: Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Chalk Bluffs 36-13H Pad, located in the SWNW of Section 36, Township 10N, Range 60W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 004 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9289/004 Page 1 of 8 Wellhead Version 2012-1 I f Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Tons per Year Emission Type NO, VOC CO Sep -1 004 5.9 78.9 11.7 Point See "Notes to Permit Holder #4" for information on emission factors and methods used to caicuia 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: 123/9289/004 Page 2 of 8 "vf Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 004 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 004 Natural gas flaring 41.98 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9289/004 Page 3 of 8 f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. 17. Within one hundred and eighty days (180) after issuance of this permit, the operator shall complete a hard count of components at the source and establish the number of components that are operated in "heavy liquid service", "light liquid service", "water/oil service" and "gas service". The operator shall submit the results to the Division as part of the self -certification process to ensure compliance with emissions limits. Periodic Testing Requirements 18. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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). AIRS ID: 123/9289/004 Page 4 of 8 f Public Health and Environment Air Pollution Control Division GENERAL TERMS AND CONDITIONS 21. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 22. If this permit specifically states that final authorization has been granted, then the remainder of this condition is not applicable. Otherwise, the issuance of this construction permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section III.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self -certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self -Certify for Final Authorization section of this permit. 23. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the applicant or applicant's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 24. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 25. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit 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: Peter Armington AIRS ID: 123/9289/004 Page 5 of 8 Permit Engineer f Public Health and Environment Air Pollution Control Division Issuance Date Description Issuance 1 This Issuance Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9289/004 Page 6 of 8 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: http://www.cdphe.state.co.us/req u lations/airreqs/1 001 02aacccommon provis ionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the' source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (Ib/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 004 Benzene 71432 A 2,679 Yes 134 Toluene 108883 C 3,364 Yes 168 n -Hexane 110543 C 22,692 Yes 1,135 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx 0.138 Ib/MMBtu 0.138 lb/MMBtu TCEQ CO 0.2755 Ib/MMBtu 0.2755 lb/MMBtu TCEQ VOC 79.1 75,375 lb/MMscf 3,769 lb/MMscf Engineering Calculation 71432 Benzene 0.067 63.9 Ib/MMscf 3.19 Ib/MMscf Engineering Calculation 108883 Toluene 0.083 80.2 Ib/MMscf 4.01 lb/MMscf Engineering Calculation 110543 n -hexane 0.569 541 lb/MMscf 27 lb/MMscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 6/29/2011 analysis of a gas sample collected from the Chalk Bluffs 36-13H well. The controlled VOC and HAP emissions factors for point 004 are based on the flare control efficiency of 95%. AIRS ID: 123/9289/004 Page 7 of 8 f Public Health and Environment Air Pollution Control Division 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 M — 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) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/ap/oilciaspermitting.html AIRS ID: 123/9289/004 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/01/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1625 AIRs Coun # Facility # 123 Weld 9289 004 SEP-1 Whiting Oil and Gas Corporation Chalk Bluffs 36-13H Pad SWNW Sec 36 T10N R60W Point # Facility Equipment ID Company Name: Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Source Name: Source Location: SIC: 1311 5230 Elevation (feet) x New Permit (CPI) Modification (Issuance #) APEN Required/Permit FxAmnt Transfer of Ownership APEN Exempt/Permit Fxemnt 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*Xx1C 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 Throughput (O) MW 42 MMscf/yr 36.120 Ib/Ib-mol 4792.2 scf/hr 0.001 MMscf/d 3.57 MMscf/mo mole % MW lbx/Ibmol mass fraction E Iblhr lb/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 1.156 44.01 0.509 0.014 CO2 6.4 56352 28.18 N2 0.594 28.013 0.166 0.005 N2 2.1 18431 9.22 methane 32.684 16.041 5.243 0.145 methane 66.3 580724 290.36 ethane 5.438 30.063 1.635 0.045 ethane 20.7 181082 90.54 propane 51.45 44.092 22.6853 0.628 propane 286.8 2512745 1256.37 isobutane 0.614 58.118 0.3568 0.010 isobutane 4.5 39526 19.76 n -butane 2.683 58.118 1.5593 0.043 n -butane 19.7 172717 86.36 isopentane 3.119 72.114 2.2492 0.062 isopentane 28.4 249137 124.57 n -pentane 0.834 72.114 0.6014 0.017 n -pentane 7.6 66618 33.31 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 0.2380 86.18 0.2051 0.006 n -Hexane 2.6 22719 11.36 cyclohexane 0.0650 84.16 0.0547 0.002 cyclohexane 0.7 6059 3.03 Other hexanes 0.552 86.18 0.4757 0.013 Other hexanes 6.0 52692 26.35 heptanes 0.243 100.21 0.2435 0.007 heptanes 3.1 26972 13.49 methylcyclohexane 0.004 98.19 0.0039 0.000 methylcyclohexane 0.0 435 0.22 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.031 78.12 0.0242 0.001 Benzene 0.3 2682 1.34 Toluene 0.033 92.15 0.0304 0.001 Toluene 0.4 3368 1.68 Ethylbenzene 0 106.17 0.0000 0.000 Ethylbenzene 0.0 0 0.00 Xylenes 0 106.17 0.0000 0.000 Xylenes 0.0 0 0.00 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+ Heavies I 0.2621 29.5571 0.0774 I 0.002 IC8+ Heavies I 1.0 I 8578 VOC mass fraction: 0.7909 Total VOC Emissions (Uncontrolled) 36.120 annual limit assuming 95% control Notes monthly limit assuming 95% control (Ib/mo.) Mole %, MW, and mass fractions from the Chalk Bluffs 36-13H gas analysis, dated 6/29/11. 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. 4.29 1582.1 79.1 13437.2 ♦ y Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer TBD Model TBD Serial Number TBD Gas Heating Value 2021.4 Btu/scf Throughput 84858.372 MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO r 5.86 Emissions Summary 11,69 5.86 tpy NOX Uncontrolled/PTE 11.69 tpy CO 1582.124 tpy VOC Controlled 79.106 tpy VOC Uncontrolled Total (Ib/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 2682 A Yes 134 Toluene 3368 C Yes 168 Ethylbenzene 0 C No 0 Xylenes 0 C No 0 n -hexane 22719 C Yes 1136 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 _ Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per_year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section 111.0.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 13WE1627 DATE ISSUED: ISSUED TO: Issuance 1 Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Horsetail 18-0733H Pad, located in the SWSE of Section 18, Township 10N, Range 57W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 007 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9808/007 Page 1 of 8 Wellhead Version 2012-1 f Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Tons per Year Emission Type yp NO, VOC CO Sep -1 007 9.3 76.6 18.5 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 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: 123/9808/007 Page 2 of 8 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 007 Separator controlled by a.30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 007 Natural gas flaring 86.87 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9808/007 Page 3 of 8 1• ment. f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17, On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9808/007 Page 4 of 8 Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9808/007 Page 5 of 8 Issuance.1 This Issuance f Public Health and Environment Air Pollution Control Division Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9808/007 Page 6 of 8 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: http://www.cdphe.state.co.us/regulations/airreqs/100102agcccommonprovisionsreq.pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Rate (lb/yr) 004 Benzene 71432 A 7,691 Yes 385 Toluene 108883 C 11,605 Yes 580 Xylenes 1330207 C 1,215 Yes 61 n -Hexane 110543 C 55,251 Yes 2,762 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx ___ 0.138 Ib/MMBtu 0.138 Ib/MMBtu TCEQ CO ___ 0.2755 lb/MMBtu 0.2755 lb/MMBtu TCEQ VOC 46 95 35,271 lb/MMscf 1,763.5 lb/MMscf Engineering Calculation 71432 Benzene 0.118 88.6 lb/MMscf 4.43 lb/MMscf Engineering Calculation 108883 Toluene 0.176 133.7 lb/MMscf 6.68 lb/MMscf Engineering Calculation 1330207 Xylenes 0.019 14 lb/MMscf 0.70 lb/MMscf Engineering Calculation 110543 n -Hexane 0 847 636.7 lb/MMscf 31.8 Ib/MMscf Engineering Calculation AIRS ID: 123/9808/007 Page 7 of 8 f Public Health and Environment Air Pollution Control Division Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 2/21/2012 analysis of a gas sample collected from the Horsetail 18-0733H well. The controlled VOC and HAP emissions factors for point 004 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 SubpartA— SubpartZ 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) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/ap/oilbaspermittinghtml AIRS ID: 123/9808/007 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/02/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1627 AIRs County # Facility # 9808 007 SEP-1 Whiting Oil and Gas Corporation Horsetail 18 -0733 H P a d SWSE Sec 18 T1 ON R57W 123 Weld Point # Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 4802 Elevation (feet) x New Permit (CPI) Modification (Issuance #) APEN Required/Permit Fxemnt Transfer of Ownership APEN 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=0 MW*XxIC 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 Throughput (Q) MW 87 MMsd/yr 28.470 Ib/Ib-mol 9916.7 scf/hr 0.002 MMscf/d 7.38 MMscf/mo mole % MW Ibx/1nmol mass fraction E lb/hr • Ib/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 3.333 44.01 1.467 0.052 CO2 38.4 336215 168.11 N2 1.147 28.013 0.321 0.011 N2 8.4 73647 36.82 methane 56.604 16.041 9.080 0.319 methane 237.6 2081178 1040.59 ethane 14.085 30.063 4.234 0.149 ethane 110.8 970554 485.28 propane 13.967 44.092 6.1583 0.216 propane 161.1 1411541 705,77 isobutane 1.53 58.118 0.8892 0.031 isobutane 23.3 203813 101.91 n -butane 5.353 58.118 3.1111 0.109 n -butane 81.4 713080 356.54 isopentane 1.106 72.114 0.7976 0.028 isopentane 20.9 182812 91.41 n -pentane 1.31/ 72.114 0.949/ 0.033 n -pentane 24.9 217689 108.84 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 0.2800 86.18 0.2413 0.008 n -Hexane 6.3 55309 27.65 cyclohexane 0.0820 84.16 0.0690 0.002 cyclohexane 1.8 15818 7.91 Other hexanes 0.581 86.18 0.5007 0.018 Other hexanes 13.1 114766 57.38 heptanes 0.25 100.21 0.2505 0.009 heptanes 6.6 57422 28.71 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexane 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.043 78.12 0.0336 0.001 Benzene 0.9 7699 3.85 Toluene 0.055 92.15 0.0507 0.002 Toluene 1.3 11617 5.81 Ethylbenzene 0 106.17 0.0000 0.000 Ethylbenzene 0.0 0 0.00 Xylenes 0.005 106.17 0.0053 0.000 Xylenes 0.1 1217 0.61 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division - IC8+ Heavies ) 0.2621 118 5401 0.3106 I 0.011 IC8+ Heavies 8.1 1 71186 VOC mass fraction: 0.4695 Total VOC Emissions (Uncontrolled) 28.470 annual limit assuming 95% control Notes monthly limit assuming 95% control (lb/mo.) Mole %, MW, and mass fractions from the Horsetail 18-0733H gas analysis, dated.2/21/12. 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. 35.59 1532.0 76.6 13011.4 Produced Natural Gas Venting/Flaring Preliminary Analysis Flaring Information Eauipment DesCripfon Flare to combust produced qas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heatingyalue Throughput TBD TBD TBD 1550 134648.5 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO 9.29 18.55 Emissions Summary 9.29 tpy NOX Uncontrolled/PTE 18.55 tpy CO 1531.985 tpy VOC Controlled 76.599 tpy VOC Colorado Department of Public Health and Environment Air Pollution Control Division Uncontrolled Total (lb/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 7699 A Yes 385 Toluene 11617 C Yes 581 Ethylbenzene 0 C No 0 Xylenes 1217 C Yes 61 n -hexane 55309 C Yes 2765 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 _ Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section 111.0.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: DATE ISSUED: ISSUED TO: 13WE1628 Issuance 1 Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Pawnee 16-13H Pad, located in the NWSE of Section 16, Township 10N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID. AIRS Point Description Sep -1 005 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9239/005 Page 1 of 9 Wellhead Version 2012-1 f Public Health and Environment I Air Pollution Control Division 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, lll.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 Equipment ID AIRS Point Tons per Year Emission Type yp NO„ VOC CO Sep -I 005 6.3 74.8 12.6 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 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: 123/9239/005 Page 2 of 9 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 005 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 005 Natural gas flaring 49,64 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9239/005 Page 3 of 9 e 1i 6lmentf&af Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9239/005 Page 4 of 9 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9239/005 Page 5of9 entf Public Health and Environment Air Pollution Control Division Issuance 1 This Issuance Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9239/005 Page 6 of 9 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: http://www.cdphe.state.co. us/requlations/airregs/100102agcccommonprovisionsreg.pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (Ib/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 004 Benzene 71432 A 18,602 Yes 930 Toluene 108883 C 22,184 Yes 1,109 Ethylbenzene 100414 C 2,778 Yes 139 Xylenes 1330207 C 4,861 Yes 243 n -Hexane 110543 C 140,720 Yes . 7,036 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx ___ 0.138 lb/MMBtu 0.138 lb/MMBtu TCEQ CO -__ 0.2755 lb/MMBtu 0.2755 lb/MMBtu TCEQ VOC 64.45 60,300 lb/MMscf 3,015 lb/MMscf Engineering Calculation 71432 Benzene 0.401 375 lb/MMscf 18.8 lb/MMscf Engineering Calculation 108883 Toluene 0.473 447 lb/MMscf 22.4 lb/MMscf Engineering Calculation 100414 Ethylbenzene 0.060 56.0 lb/MMscf 2.80 lb/MMscf Engineering Calculation AIRS ID: 123/9239/005 Page 7 of 9 (mentLi f Public Health and Environment Air Pollution Control Division CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source 1330207 Xylenes 0.105 98.0 Ib/MMscf 4.90 lb/MMscf Engineering Calculation 110543 n -Hexane 3.041 2.838 Ib/MMscf 1421b/MMscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 6/29/2011 analysis of a gas sample collected from the Pawnee 16-13H well. The controlled VOC and HAP emissions factors for point 004 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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.i.tpoaccess.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) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/ap/oiloaspermitting.html AIRS ID: 123/9239/005 Page 8 of 9 mentOf Public Health and Environment Air Pollution Control Division AIRS ID: 123/9239/005 Page 9 of 9 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/02/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1628 Al Rs County # Facility # Point # 9239 005 SEP-1 Whiting Oil and Gas Corporation Pawnee 16-13H Pad NWSE Sec 16 T10N R59W 123 Weld Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment . SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 5115 Elevation (feet) x New Permit (CPI) Modification (Issuance #) Transfer of Ownership APEN Required/Permit Fxemot APEN Exempt/Permit Fxemnt 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*XxIC 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 Throughput (O) MW 50 MMscf/yr 35.460 Ib/Ib-mol 5666.7 sd/hr 0.001 MMscf/d 4.22 MMscf/mo 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 2.779 44.01 1.223 0.034 CO2 18.3 160189 80.09 N2 1.075 28.013 0.301 0.008 N2 4.5 39442 19.72 methane 48.213 16.041 7.734 0.218 methane 115.6 1012950 506.48 ethane 11.137 30.063 3.348 0.094 ethane 50.1 438524 219.26 propane 14.405 44.092 6.3515 0.179 propane 95.0 831889 415.94 isobutane 1.918 58.118 1.1147 0.031 isobutane 16.7 146000 73.00 n -butane 8.054 58.118 4.6808 0.132 n -butane 70.0 613077 306.54 isopentane 2.1 72.114 1.5144 0.043 isopentane 22.6 198350 99.17 n -pentane 3.203 72.114 2.3098 0.065 n -pentane 34.5 302530 151.27 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 1.2480 86.18 1.0755 0.030 n -Hexane 16.1 140868 70.43 cyclohexane 0.3700 84.16 0.3114 0.009 cyclohexane 4.7 40785 20.39 Otherhexanes 2.701 86.18 2.3277 0.066 Otherhexanes 34.8 304876 152.44 heptanes 1203 100.21 1.2055 0.034 heptanes 18.0 157895 78.95 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexan 1 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.182 78.12 0.1422 0.004 Benzene 2.1 18622 9.31 Toluene 0.184 92.15 0.1696 0.005 Toluene 2.5 22208 11.10 Ethylbenzene 0.02 106.17 0.0212 0.001 Ethylbenzene 0.3 2781 1.39 Xylenes 0.035 106.17 0.0372 0.001 Xylenes 0.6 4867 2.43 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division ICe+ Heavies ) 1.1731 135.7531 1.5924 I 0.045 IC8+ Heavies I 23.8 ( 208564 VOC mass fraction: 0.6445 35.460 Notes Mole %, MW. and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. 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. Total VOC Emissions (Uncontrolled) annual limit assuming 95%control monthly limit assuming 95% control (lb/mo.) 104.28 1496.7 74.8 12711.3 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1844 91536.16 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO 6.32 Emissions Summary 12.61 6.32 tpy NOX Uncontrolled/PTE 12.61 tpy CO 1496.656 tpy VOC Controlled 74.833 tpy VOC Uncontrolled Total (lb/yr) Bin Scenario A Reportable? Controlled Total (Ib/yr) Benzene 18622 A Yes 931 Toluene 22208 C Yes 1110 Ethylbenzene 2781 C Yes 139 Xylenes 4867 C Yes 243 n -hexane 140868 C Yes 7043 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 _ Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section III.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: DATE ISSUED: ISSUED TO: Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Terrace 36-11 H Pad, located in the NESE of Section 36, Township 10N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: 13WE1629 Issuance 1 Facility Equipment ID AIRS Point Description Sep -1 005 Separator controlled by a 30' flare stack. 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 sea), 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, bV 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9290/005 Page 1 of 8 Wellhead Version 2012-1 f Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Tons per Year Emission Type NO, VOC CO Sep -1 005 9.7 82.8 19.3 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 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: 123/9290/005 Page 2 of 8 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 005 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 005 Natural gas flaring 92.71 MMSCF/yr 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 oh 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) OPERATING &MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9290/005 Page 3 of 8 f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9290/005 Page 4 of 8 f Public Health and Environment Air Pollution Control Division 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 applicants 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9290/005 Page 5 of 8 This Issuance f Public Health and Environment Air Pollution Control Division Issuance 1 Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9290/005 Page 6 of 8 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: http://www.cdphe.state.co. us/rep u lations/airregs/100102acicccom mon provisionsreg. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Rate (lb/yr) 005 Benzene 71432 A 6,109 Yes 305 Toluene 108883 C 8,106 Yes 405 n -Hexane 110543 C 43,803 Yes 2,190 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx _ 0.138 lb/MMBtu 0.138 Ib/MMBtu TCEQ CO 0.2755 Ib/MMBtu 0.2755 lb/MMBtu TCEQ VOC 27 35,678 lb/MMscf 1,784 Ib/MMscf Engineering Calculation 71432 Benzene 0.092 66.0 lb/MMscf 3.30 Ib/MMscf Engineering Calculation 108883 Toluene 0.120 87.5 lb/MMscf 4.38 lb/MMscf Engineering Calculation 110543 n -Hexane 0.659 473 lb/MMscf 23.6 lb/MMscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 6/29/2011 analysis of a gas sample collected from the Terrace 36-11 H well. The controlled VOC and HAP emissions factors for point 004 are based on the flare control efficiency of 95%. AIRS ID: 123/9290/005 Page 7 of 8 mentf Public Health and Environment Air Pollution Control Division 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 XXXXXX 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/ap/oildaspermittind.html AIRS ID: 123/9290/005 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/03/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1629 AIRS County # Facility # 123 Weld 9290 005 SEP-1 Whiting Oil and Gas Corporation Terrace 36-11H Pad NESE Sec 36 T10N R59W Point # Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment • NOx Attainment VOC • Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 4846 Elevation (feet) x Notes New Permit (CPI) Modification (Issuance #) Transfer of Ownership APEN Required/Permit Exemot APEN Exempt/Permit Fxemol 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 Throughputrg 93 MMscf/yr 10583.3 scf/hr 27.174 Iblib-mol 0.002 MMscf/d 7.87 MMscf/mo 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 1.662 44.01 0.731 0.027 CO2 20.4 178924 89.46 N2 2.072 28.013 0.580 0,021 N2 16.2 141983 70.99 methane 59.717 16.041 9.579 0.353 methane 267.5 2343240 1171.62 ethane 9.184 30.063 2.761 0.102 ethane 77.1 675385 337.69 propane 21.497 44.092 9.4785 0.349 propane 264.7 2318596 1159.30 isobutane 1.067 58.118 0.6201 0.023 isobutane 17.3 151692 75.85 n -butane 2.392 58.1-)8 1.3902 0.ob1 n -butane 38.8 340063 170.03 isopentane 0.476 72.114 0.3433 0.013 isopentane 9.6 83968 41.98 n -pentane 0.672 72.114 0.4846 0.018 n -pentane 13.5 118543 59.27 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 0.2080 86.18 0.1793 0.007 n -Hexane 5.0 43849 21.92 cyclohexane 0.0630 84.16 0.0530 0.002 cyclohexane 1.5 12970 6.48 Other hexanes 0.452 86.18 0.3895 0.014 Other hexanes 10.9 95287 47.64 heptanes 0.221 100.21 0.2215 0.008 heptanes 6.2 54174 27.09 methylcyclohexane 0.003 98.19 0.0029 0.000 methylcyclohexanc 0.1 721 0.36 224 -IMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.032 78.12 0.0250 0.001 Benzene 0.7 6115 3.06 Toluene 0.036 92.15 0.0332 0.001 Toluene 0.9 8115 4.06 Ethylbenzene 0 106.17 0.0000 0.000 Ethylbenzene 0.0 0 0.00 Xylenes 0 106.17 0.0000 0.000 Xylenes 0.0 0 0.00 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+ Heavies ) VOC mass fraction: 0.4976 27.174 Notes Mole %, MW. and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. 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. 0.2461 122.3241 0.3009 1 0.011 IC8+ Heavies I 8.4 I 73609 Total VOC Emissions (Uncontrolled) annual limit assuming 95% control monthly limit assuming 95% control (lb/mo.) 36.80 1653.9 82.7 14046.4 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Descript on Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1512 140177.52 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO 9.67 19.31 Emissions Summary 9.67 tpy NOX Uncontrolled/PTE 19.31 tpy CO 1653.850 tpy VOC Controlled 82.693 tpy VOC Uncontrolled Total (Ib/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 6115 A Yes 306 Toluene 8115 C Yes 406 Ethylbenzene 0 C No 0 Xylenes 0 C No 0 n -hexane 43849 C Yes 2192 224-TMP 0 C No 0 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." ion 3 Part A: An APEN is required for this sburce because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section III.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 13WE1630 Issuance 1 DATE ISSUED: ISSUED TO: Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Wild Horse 16-13H Pad, located in the SWNW of Section 16, Township 9N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 006 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (Hi) does not complete construction within a reasonable time of the AIRS ID: 123/9383/005 Page 1 of 8 Wellhead Version 2012-1 Colog" De pt en f Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Tons per Year Emission Type NO„ VOC CO Sep -1 006 2.5 17.2 5.0 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 twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 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: 123/9383/005 Page 2 of 8 Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 006 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 006 Natural gas flaring 25.55 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9383/005 Page 3 of 8 entf Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9383/005 Page 4 of 8 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9383/005 Page 5 of 8 F:1 f Public Health and Environment Air Pollution Control Division Issuance 1 This Issuance Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9383/005 Page 6 of 8 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: http://www.cd phe.state.co. us/req ulations/airreqs/100102agcccommon provisionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 006 Benzene 71432 A 2,104 Yes 105 Toluene 108883 C 1,924 Yes 96 n -Hexane 110543 C 17,237 Yes 862 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx 0.138 lb/MMBtu 0.138 lb/MMBtu TCEQ CO 0.2755 lb/MMBtu 0.2755 lb/MMBtu TCEQ VOC 39.51 26,660 lb/MMscf 1,333 lb/MMscf Engineering Calculation 71432 Benzene 0.401 82.4 lb/MMscf 4.12 lb/MMscf Engineering Calculation 108883 Toluene 0.473 75.4 lb/MMscf 3.77 lb/MMscf Engineering Calculation n -Hexane 3.041 675 lb/MMscf 33.110543 lb/MMscf Engineering allat Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 6/29/2011 analysis of a gas sample collected from the Wild Horse 16-13H well. The controlled VOC and HAP emissions factors for this point are based on the flare control efficiency of 95%. AIRS ID: 123/9383/005 Page 7 of 8 f d7 F cows, ent ,pf Public Health and Environment Air Pollution Control Division L. 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 XXXXXX 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: htto://www.cdphe.state.co.us/ap/oilgaspermittinghtml AIRS ID: 123/9383/005 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/03/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1630 AIRs County # Facility # 123 Weld Point # 9383 006 SEP-1 Whiting Oil and Gas Corporation Wild Horse 16-13H Pad SWNW Sec 16 T9N R59W Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 5052 x Elevation (feet) New Permit (CP1) Modification (Issuance #) Transfer of Ownership APEN Required/Permit Fxemnt APEN Exempt/Permit Fxemnt 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 Throughput (O) MW 26 MMscf/yr 25.574 Ib/Ib-mol 2916.7 scf/hr 0.001 MMscf/d 2.17 MMscf/mo 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 2.218 44.01 0.976 0.038 CO2 7.5 65806 32.90 N2 0.909 28.013 0.255 0.010 N2 2.0 17166 8.58 methane 66.399 16.041 10.651 0.416 methane 82.0 718033 359.02 ethane 11.935 30.063 3.588 0.140 ethane 27.6 241884 120.94 propane 9.904 44.092 4.3669 0.171 propane 33.6 294389 147.19 isobutane 1.082 58,118 0.6288 0.025 isobutane 4.8 42393 21.20 n -butane 3.985 58.118 2.3160 0.091 n -butane 17.8 156132 /8.07 isopentane 0.86 72.114 0.6202 0.024 isopentane 4.8 41809 20.90 n -pentane 1.208 72.114 0.8711 0.034 n -pentane 6.7 58727 29.36 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 0.2970 86.18 0.2560 0.010 n -Hexane 2.0 17255 8.63 cyclohexane 0.0740 84.16 0.0623 0.002 cyclohexane 0.5 4198 2.10 Other hexanes 0.656 86.18 0.5653 0.022 Other hexanes 4.4 38112 19.06 heptanes 0.228 100.21 0.2285 0.009 heptanes 1.8 15403 7.70 methylcyclohexane 0.003 98.19 0.0029 0.000 methylcyclohexane 0.0 199 0.10 224 -IMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.04 78.12 0.0312 0.001 Benzene 0.2 2107 1.05 Toluene 0.031 92.15 0.0286 0.001 Toluene 0.2 1926 0.96 Ethylbenzene 0 106.17 0.0000 0.000 Ethylbenzene 0.0 0 0.00 Xylenes 0 106.17 0.0000 0.000 Xylenes 0.0 0 0.00 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+ Heavies ( 0.1711 73.8581 0.1263 I 0.005 IC8+ Heavies I 1.0 I 8514 VOC mass fraction: 0.3951 25.574 Notes Mole %, MW, and mass fractions from the Wild Horse 16-13H gas analysis, dated 6/29/11. 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. Total VOC Emissions (Uncontrolled) annual limit assuming 95% control monthly limit assuming 95% control (lb/mo.) 4.26 340.6 17.0 2892.6 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1433 Btu/scf MMBtu/yr 36613.15 Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO 1 2.53 Emissions Summary 5.04 2.53 tpy NOX Uncontrolled/PTE 5.04 tpy CO 340.581 tpy VOC Controlled 17.029 tpy VOC Uncontrolled Total (lb/yr) Bin Scenario A Reportable? Controlled Total (Ib/yr) Benzene 2107 A Yes 105 Toluene 1926 C Yes 96 Ethylbenzene 0 C No 0 Xylenes 0 C No 0 n -hexane 17255 C Yes 863 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section III.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 13WE1632 Issuance 1 DATE ISSUED: ISSUED TO: Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Wildhorse 02-0224H Pad, located in the NENW of Section 2, Township 9N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 005 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 12319A72/005 Page 1 of 9 Wellhead Version 2012-1 f Public Health and Environment Air Pollution Control Division 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 Equipment ID AIRS Point Tons per Year Emission Type yp NO,, VOC CO Sep -1 005 10.1 77.3 20.1 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 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: 12319A721005 Page 2 of 9 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 005 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 005 Natural gas flaring 97.09 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9A72/005 Page 3 of 9 f Public Health and Environment Air Pollution Control Division 15. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. 16. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the'flare. (Reference: Regulation No. 1, Section II.A.5). Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9A72/005 Page 4 of 9 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9A721005 Page 5 of 9 Issuance 1 This Issuance f Public Health and Environment Air Pollution Control Division Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9A72/005 Page 6 of 9 ment ibf 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: http://www.cdphe.state.co. us/requlations/airreqs/100102agcccommonprovisionsreq.pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Rate (lb/yr) 005 Benzene 71432 A 13,994 Yes 700 Toluene 108883 C 15,328 Yes 766 Ethylbenzene 100414 C 816 No 41 Xylenes 1330207 C 6,792 Yes 340 n -Hexane 110543 C 93,463 Yes 4,973 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Emission Factors Factors Uncontrolled Controlled Source NOx - - 0.138 0.138 lb/MMBtu lb/MMBtu TCEQ CO ---lb/MMBtu 0.2755 0.2755 lb/MMBtu TCEQ VOC 44.59 31,862 lb/MMscf 1,593 1b/MMscf Engineering Calculation 71432 Benzene 0.202 1441b/MMscf 7.2 lb/MMscf Engineering Calculation 108883 Toluene 0.218 158 lb/MMscf r 7.9 Ib/MMscf Engineering Calculation 100414 Ethylbenzene 0.012 8.41b/MMscf 0.42 Engineering Ib/MMscf f Calculation AIRS ID: 123/9A72/005 Page 7of9 ,ago De entf Public Health and Environment Air Pollution Control Division CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source 1330207 Xylenes 0.098 70 lb/MMscf 3.5 lb/MMscf Engineering Calculation 110543 n-l-lexane 1.435 1,026 lb/MMscf 51.3 lb/MMscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 9/18/2012 analysis of a gas sample collected from the Wildhorse 02-0224H well. The controlled VOC and HAP emissions factors for point 004 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 XXXXXX 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/an/oilqaspermittinp.html AIRS ID: 123/9A72/005 Page 8 of 9 AIRS ID: 123/9A72/005 f Public Health and Environment Air Pollution Control Division Page 9of9 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/06/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1632 AIRs County # Facility # 123 Weld Point # 9A72 005 SEP-1 Whiting Oil and Gas Corporation Wildhorse 02-0224H Pad NENW Section 2 T9N R59W Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 4994 Elevation (feet) x New Permit (CP1) Modification (Issuance #) APEN Required/Permit Exemot Transfer of Ownership APEN Exempt/Permit Examnt Notes Equipment Description This source vents natural q s from: Emissions from this source are: a well head separator 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 Throughput (O) MW 97 MMscf/yr 11083.3 scf/hr 27.080 Ibflb-mol 0.002 MMscf/d 8.25 MMscf/mo mole % MW lbx/Ibmol mass fraction E Iblhr Ib/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0,00 C02 2.19 44.01 0.964 0.036 C02 28.2 246906 123.45 N2 0.244 28.013 0.068 0.003 N2 2.0 17510 8.75 methane 64.288 16.041 10.312 0.381 methane 301.6 2641780 1320.89 ethane 12.173 30.063 3.660 0.135 ethane 107.0 937487 468.74 propane 10.448 44.092 4.6067 0.170 propane 134.7 1180126 590.06 isobutane 1.205 58.118 0.7003 0.026 _ isobutane 20.5 179404 89,70 329.33 n -butane 4.424 58.118 2.5711 0.095 n -butane 75.2 658660 isopentane 1.012 72.114 0.7298 0.027 isopentane 21.3 186954 93.48 n -pentane 1.492 72.114 1.0759 0.040 n -pentane 31.5 275628 137,81 cyclopentane 0.172 70.13 0.1206 0.004 cyclopentane 3.5 30901 15.45 n -Hexane 0.4510 86.18 0.3887 0.014 n -Hexane 11.4 99568 49.78 cyclohexane 0.1280 84.16 0.1077 0.004 cyclohexane 3.2 27596 13.80 Other hexanes 0.69 86.18 0.5946 0.022 Other hexanes 17.4 152332 ' 76.17 heptanes 0.489 100.21 0.4900 0.018 heptanes 14.3 125532 62.77 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexane 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.07 78.12 0.0547 0.002 Benzene 1.6 14009 7.00 Toluene 0.065 92.15 0.0599 0.002 Toluene 1.8 15344 7.67 Ethylbenzene 0.003 106.17 0.0032 0.000 Ethylbenzene 0.1 816 0.41 Xylenes 0.025 106.17 0.0265 0.001 Xylenes 0.8 6800 3.40 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division 1C8+ Heavies 1 0.4321 126.3651 0.5459 1 0.020 1C8+ Heavies 1 16.0 1 139844 VOC mass fraction: 0.4459 Total VOC Emissions ('Uncontrolled) 27.080 annual limit assuming 95% control Notes monthly limit assuming 95% control (113/mo.) Mole %, MW, and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. Emissions are based on 876D hours of operation per year. I calculated the average MW of C8+ based on the average MW on the analysis for the gas. 69.92 1546.8 77.3 13136.8 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1502 145829.18 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 10.06 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO Emissions Summary 20.09 10.06 tpy NOX Uncontrolled/PTE 20.09 tpy CO 1546.757 tpy VOC Controlled 77.338 tpy VOC Uncontrolled Total (lb/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 14009 A Yes 700 Toluene 15344 C Yes 767 Ethylbenzene 816 C No 41 Xylenes 6800 C Yes 340 n -hexane 99568 C Yes 4978 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section 11.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 _ Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section 111.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required .. Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: DATE ISSUED: ISSUED TO: 13WE1633 Issuance 1 Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Wolf 35-2623H Pad, located in the SWSE of Section 35, Township 10N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 007 Separator controlled by a 30' flare stack. 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 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 issuance of this permit, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operators responsibility to self -certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, II.G.2). 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 fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9893/007 Page 1 of 8 Wellhead Version 2012-1 ?menti f Public Health and Environment Air Pollution Control Division 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.) 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 Equipment ID AIRS point Tons per Year Emission Type NOx VOC CO Sep -1 007 4.4 34.8 8.8 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 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: 123/9893/007 Page 2 of 8 Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 007 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 007 Natural gas flaring 42.34 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14, 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 AIRS ID: 123/9893/007 Page 3 of 8 f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9893/007 Page 4 of 8 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9893/007 Page 5 of 8 This Issuance De ,Ament f Public Health and Environment itt Air Pollution Control Division Issuance 1 Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9893/007 Page 6 of 8 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: http://www. cd phe. state.co. us/req ulations/airreqs/100102agcccommon provisionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (Ib/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 007 Benzene 71432 A 5,144 Yes 257 Toluene 108883 C 4,525 Yes 226 n -Hexane 110543 C 43,567 Yes 2,178 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx --- 0.138 Ib/MMBtu 0.138 lb/MMBtu TCEQ CO 0.2755 Ib/MMBtu 0.2755 Ib/MMBtu TCEQ VOC 45.30 32,797 Ib/MMscf 1,640 lb/MMscf Engineering Calculation 71432 Benzene 0.168 122 lb/MMscf 6.08 lb/MMscf Engineering Calculation 108883 Toluene 0.146 107 lb/MMscf 5.35 lb/MMscf Engineering Calculation 110543 n -Hexane 1.422 1,030 lb/MMscf 51.5 lb/MMscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 3/31/2012 analysis of a gas sample collected from the Wolf 35-2623H well. The controlled VOC and HAP emissions factors for point 007 are based on the flare control efficiency of 95%. AIRS ID: 123/9893/007 Page 7 of 8 of Public Health and Environment Air Pollution Control Division 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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: htto://ecfr.gmoaccess.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 XJCOOOC 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/apioilqaspermittinci.html AIRS ID: 123/9893/007 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/06/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1633 AIRs County # Facility # 123 Weld Point # 9893 007 SEP-1 Whiting Oil and Gas Corporation Wolf 35-2623H & Wolf 35-2613H Pad SWSE Sec 35 T1ON R59W Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 5007 Elevation (feet) x New Permit (CP1) Modification (Issuance #) APEN Required/Permit Exempt APEN Exempt/Permit Exempt Transfer of Ownership Notes Equipment Description This source vents natural gas from: Emissions from this source are: a well head separator 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 Wolf 35-2623H Throughput(Q) MW 42 MMscf/yr 27.440 Ib/lb-mol 4833.3 scf/hr 0.001 MMscf/d 3.60 MMscf/mo 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 2.22 44.01 0.977 0.036 CO2 12.5 109148 54.57 N2 1.639 28.013 0.459 0.017 N2 5.9 51292 25.65 methane 62.223 16.041 9.981 0.364 methane 127.3 1115049 557.52 ethane 11.95 30.063 3.593 0.131 ethane 45.8 401339 200.67 propane 11.062 44.092 4.8775 0.178 propane 62.2 544885 272.44 isobutane 1.262 58.118 0.7334 0.027 isobutane 9.4 81937 40.97 n -butane 4./05 58.118 2.7345 0.100 n -butane 34.9 305479 152.74 isopentane 1.044 72.114 0.7529 0.027 isopentane 9.6 84107 42.05 n -pentane 1.519 72.114 1.0954 0.040 n-penlane 14.0 122374 61.19 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 0.4530 86.18 0.3904 0.014 n -Hexane 5.0 43613 21.81 cyclohexane 0.1240 84.16 0.1044 0.004 cyclohexane 1.3 11658 5.83 Other hexanes 0.847 86.18 0.7299 0.027 Other hexanes 9.3 81546 40.77 heptanes 0.5 100.21 0.5011 0.018 heptanes 6.4 55975 27.99 methylcyclohexane 0 . 98.19 0.0000 0.000 methylcyclohexane 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.059 78.12 0.0461 0.002 Benzene 0.6 5149 2.57 Toluene 0.044 92.15 0.0405 0.001 Toluene 0.5 4530 2.26 Ethylbenzene 0.001 106.17 0.0011 0.000 Ethylbenzene 0.0 119 0.06 Xylenes 0.001 106.17 0.0011 _ 0.000 Xylenes 0.0 119 0.06 Produced Natural Gas Venting/Flaring Preliminary Analysis IC8+ Heavies I 0.3471 121.607( 0.4220 I 0.015 IC8+ Heavies VOC mass fraction: 0.4530 27.440 Notes Mole %, MW, and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. 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. Colorado Department of Public Health and Environment Air Pollution Control Division 5.4 I 47141 Total VOC Emissions (Uncontrolled) annual limit assuming 95% control monthly limit assuming 95% control (lb/mo.) 23.57 694.3 34.7 5896.9 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Descript'on Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1502 63594.68 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO I 4.39 Emissions Summary 8.76 4.39 tpy NOX Uncontrolled/PTE 8.76 tpy CO 694.316 tpy VOC Controlled 34.716 tpy VOC Uncontrolled Total (lb/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 5149 A Yes 257 Toluene 4530 C Yes 226 Ethylbenzene 119 C No 6 Xylenes 119 C No 6 n -hexane 43613 C Yes 2181 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 _ This source is subject to the opacity requirements for flares in Section li.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." C Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section III.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: 13WE1634 DATE ISSUED: ISSUED TO: THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Wolf 35-2613H Pad, located in the SWSE of Section 35, Township 10N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Issuance 1 Whiting Oil and Gas Corporation Facility Equipment ID AIRS Point Description Sep42 008 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (Hi) does not complete construction within a reasonable time of the AIRS ID: 123/9893/008 Page 1 of 8 Wellhead Version 2012-1 L 'ment f Public Health and Environment „1 Air Pollution Control Division 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 Equipment ID AIRS point Tons per Year Emission Type NO„ VOC CO Sep -2 008 2.7 22.0 5.3 Point ee "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. 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: 123/9893/008 Page 2 of 8 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -2 008 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -2 008 Natural gas flaring 25.19 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9893/008 Page 3.of 8 ol• a: De'4.a en f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, and n -hexane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. 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 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 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. AIRS ID: 123/9893/008 Page 4 of 8 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9893/008 Page 5 of 8 This Issuance f Public Health and Environment Air Pollution Control Division Issuance 1 Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9893/008 Page 6 of 8 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: http:l/www. cdphe.state.co. us/regulations/airreqs/100102agcccommonprovisionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (lb/yr) Are the emissions reportable? Controlled Emission Rate (lb/yr) 008 Benzene 71432 A 2,800 Yes 140 Toluene 108883 C 3,120 Yes 156 Xylenes 1330207 C 1,339 Yes 67 n -Hexane 110543 C 21,510 Yes 1,075 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight of Gas Emission Factors Uncontrolled Emission Factors Controlled Source Source NOx """ 0.138 lb/MMBtu 0.138 lb/MMBtu TCEQ CO ___ 0.2755 Ib/MMBtu 0.2755 lb/MMBtu TCEQ VOC 46.89 35,041 lb/MMscf 1752 lb/MMscf Engineering Calculation 71432 Benzene 0.149 111 lb/MMscf 5.56 lb/MMscf Engineering Calculation 108883 Toluene 0.164 124 lb/MMscf 6.20 lb/MMscf Engineeringat n Calculation 110543 n -Hexane 1.145 855 lb/MMscf 42.7 lb/MMscf Engineering Calculation AIRS ID: 123/9893/008 Page 7 of 8 rsment! f Public Health and Environment Air Pollution Control Division Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 9/18/2012 analysis of a gas sample collected from the Wolf 35-2613H well. The controlled VOC and HAP emissions factors for point 008; 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 XXXXXX 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/arVoilpaspermittinchhtml AIRS ID: 123/9893/008 Page 8 of 8 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/06/2013 Application Date: 01/17/2013 Facility Information Permit No. 13WE1634 AIRs County # Facility # 9893 008 SEP-2 Whiting Oil and Gas Corporation Wolf 35-2623H & Wolf 35-2613H Pad SWSE Sec 35 T10N R59W 123 Weld Point # Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 5007 Elevation (feet) x New Permit (CP1) Modification (Issuance #) APEN Required/Permit Fxemnt APEN Exempt/Permit Exempt Transfer of Ownership Notes Equipment Description This source vents natural gas from: Emissions from this source are: a well head separator 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 Wolf 35-2613H Throughput (Q) MW 25 MMscf/yr 28.322 Ib/lb-mol 2875.0 scf/hr 0.001 MMscf/d 2.14 MMscf/mo mole % MW lbx/Ibmol mass fraction E Iblhr lbtyr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 2.39 44.01 1.052 0.037 CO2 8.0 69896 34.95 N2 2.182 28.013 0.611 0.022 N2 4.6 40618 20.31 methane 57.575 16.041 9.236 0.326 methane 70.1 613717 306.86 ethane 13.78 30.063 4.143 0.146 ethane 31.4 275286 137.64 propane 13.1 44.092 5.7761 0.204 propane 43.8 383826 191.91 isobutane 1.435 58.118 0.8340 0.029 isobutane 6.3 55420 27.71 n -butane 5.036 58.118 2.9268 0.103 n -butane 22.2 194491 9/.25 isopentane 1.008 72.114 0.7269 0.026 isopentane 5.5 48304 24.15 n -pentane 1.407 72.114 1.0146 0.036 n -pentane 7.7 67424 33.71 cyclopentane 0.151 70.13 0.1059 0.004 cyclopentane 0.8 7037 3.52 n -Hexane 0.3760 86.18 0.3240 0.011 n -Hexane 2.5 21533 10.77 cyclohexane 0.1020 84.16 0.0858 0.003 cyclohexane • 0.7 5704 2.85 Other hexanes 0.586 86.18 0.5050 0.018 Other hexanes • 3.8 33559 16.78 heptanes 0.402 100.21 0.4028 0.014 heptanes 3.1 26769 13.38 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexanc 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.054 78.12 0.0422 0.001 Benzene 0.3 2803 1.40 Toluene 0.051 92.15 0.0470 0.002 Toluene 0.4 3123 1.56 Ethylbenzene 0.01 106.17 0.0106 0.000 Ethylbenzene 0.1 706 0.35 Xylenes 0.019 106.17 0.0202 0.001 Xylenes 0.2 1340 0.67 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+ Heavies I 0.336! 136.4891 0.4586 I 0:016 IC8+ Heavies I 3.5 I 30475 VOC mass fraction: 0.4689 28.322 Notes Mole %, MW, and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. 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. Total VOC Emissions (Uncontrolled) annual limit assuming 95% control monthly limit assuming 95% control (lb/mo.) 15.24 441.3 22.1 3747.7 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Descripton Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1538 38734.53 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu tpy CO 2.67 Emissions Summary 5.34 1 2.67 tpy NOX Uncontrolled/PTE 5.34 tpy CO 441.257 tpy VOC Controlled 22.063 tpy VOC ' Uncontrolled Total (Ib/yr) Bin Scenario A Reportable? Controlled Total (lb/yr) Benzene 2803 A Yes 140 Toluene 3123 C Yes 156 Ethylbenzene 706 C No 35 Xylenes 1340 C Yes 67 n -hexane 21533 C Yes 1077 224-TMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 This source is subject to the opacity requirements for flares in Section Il.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." Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section 111.O.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability This facility is a synthetic minor source of VOC for PSD applicability. STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION TELEPHONE: (303) 692-3150 CONSTRUCTION PERMIT PERMIT NO: DATE ISSUED: ISSUED TO: 13WE1635 Issuance 1 Whiting Oil and Gas Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Wold 36-3624H Pad, located in the NENW of Section 36, Township 10N, Range 59W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility Equipment ID AIRS Point Description Sep -1 005 Separator controlled by a 30' flare stack. 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 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 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, II.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction fora period of eighteen months or more; (iii) does not complete construction within a reasonable time of the AIRS ID: 123/9969/005 Page 1 of 9 Wellhead Version 2012-1 grin enf Public Health and Environment ( Air Pollution Control Division 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.) 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 Equipment ID AIRS Point Tons per Year Emission Type yp NQ VOC CO Sep -1 008 6.5 77.0 13.0 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 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: 123/9969/005 Page 2 of 9 f Public Health and Environment Air Pollution Control Division Facility Equipment ID AIRS Point Control Device Pollutants Controlled Sep -1 005 Separator controlled by a 30' flare stack VOC 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 Equipment ID AIRS Point Process Parameter Annual Limit Sep -1 005 Natural gas flaring 51.1 MMSCF/yr 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) OPERATING & MAINTENANCE REQUIREMENTS 14. 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 AIRS ID: 123/9969/005 Page 3 of 9 f Public Health and Environment Air Pollution Control Division 15. The owner or operator shall demonstrate compliance with Condition 12 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 16. The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, n - hexane, and 2,2,4-trimethylpentane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. Results of site -specific sampling and analysis shall be submitted to the Division as part of the self -certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. Periodic Testing Requirements 17. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site -specific emission factors using Division approved methods. ADDITIONAL REQUIREMENTS 18. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, Il.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 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 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. AIRS ID: 123/9969/005 Page 4 of 9 f Public Health and Environment Air Pollution Control Division 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: Peter Armington Permit Engineer Permit Histo Issuance ry Date Description AIRS ID: 123/9969/005 Page 5 of 9 Issuance 1 This Issuance f Public Health and Environment Air Pollution Control Division Issued to Whiting Oil and Gas Corporation AIRS ID: 123/9969/005 Page 6 of 9 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: http://www.cdphe.state.co.us/req u lations/airreqs/100102agcccommon provisionsreq. pdf. 4) The following emissions of non -criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. AIRS Point Pollutant CAS # BIN Uncontrolled Emission Rate (Ib/yr) Are the emissions reportable? Controlled Emission Rate (Ib/yr) 008 Benzene 71432 A 19,149 Yes 957 Toluene 108883 C 22,837 Yes 1,142 Ethylbenzene 100414 C 2,860 Yes 143 Xylenes 1330207 C 5,004 Yes 250 n -Hexane 110543 C 144,859 Yes 7,243 5) The emission levels contained in this permit are based on the following emission factors: CAS # Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source NOx 0.138 lb/MMBtu 0.138 lb/MMBtu TCEQ CO 0.2755 lb/MMBtu 0.2755 lb/MMBtu TCEQ VOC 64.45 35,041 lb/mmscf 1752 lb/mmscf Engineering Calculation 71432 Benzene 0.4 375 lb/mmscf 18.8 lb/mmscf Engineering Calculation 108883 Toluene 0.5 447 lb/mmscf 22.4 lb/mmscf Engineering Calculation 100414 Ethylbenzene 0.1 56 lb/mmscf 2.8 lb/mmscf Engineering Calculation AIRS ID: 123/9969/005 Page 7 of 9 entt f Public Health and Environment Air Pollution Control Division CAS Pollutant Weight Percent of Gas Emission Factors Uncontrolled Emission Factors Controlled Source 1330207 Xylenes 0.1 98 lb/mmscf 4.9 lb/mmscf Engineering Calculation 110543 n -Hexane 3.0 28371b/mmscf 141.8 lb/mmscf Engineering Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the 9/18/2012 analysis of a gas sample collected from the Pawnee 16-13H well. The controlled VOC and HAP emissions factors for point 008; 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 Requirement Status Operating Permit Synthetic Minor Source of: VOC, n -hexane PSD 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 SubpartA—SubpartKKKK NSPS Part 60, Appendixes Appendix A — Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 SubpartA—SubpartZ 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 — SubpartXXX)O(X 9) An Oil and Gas Industry Construction Permit Self -Certification Form is included with this permit packet. Please use this form to complete the self -certification requirements as specified in the permit conditions. Further guidance on self -certification can be found on our website at: http://www.cdphe.state.co.us/ap/oilqaspermitting.html AIRS ID: 123/9969/005 Page 8 of 9 of Public Health and Environment Air Pollution Control Division AIRS ID: 123/9969/005 Page 9 of 9 Produced Natural Gas Venting/Flaring Preliminary Analysis Division Information Engineer: Peter Armington Control Engineer: Carissa Money Review Date: 05/06/2013 Application Date: l! 01/17/2013 Facility Information Permit No. 13WE1635 AIRs County # Facility # 123 Weld 9969 005 SEP-1 Whiting Oil and Gas Corporation Wolf 36-3624H NENW Sec 36 T10N R59W Point # Facility Equipment ID Colorado Department of Public Health and Environment Air Pollution Control Division Attainment Status PM10 Attainment PM2.5 Attainment SOx Attainment NOx Attainment VOC Attainment CO Attainment Potentially Located within EAC - determine attainment status of NC Company Name: Source Name: Source Location: SIC: 1311 4925 Elevation (feet) x New Permit (CP1) Modification (Issuance #) APEN Required/Permit Exempt Transfer of Ownership Notes APEN Exempt/Permit Exempt 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 Throughput (Q) MW 51 MMscf/yr 35.460 Ibllb-mot 5833.3 scf/hr 1 0.001 MMscr/d { 4.34 MMscf/mo ( mole % MW lbx/Ibmol mass fraction E lb/hr lb/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 2.779 44.01 1.223 0.034 CO2 18.8 164900 82.45 N2 1.075 28.013 0.301 0.008 N2 4.6 40602 20.30 methane 48.213 16.041 7.734 0.218 methane 119.0 1042743 521.37 ethane 11.137 30.063 3.348 0.094 ethane 51.5 451421 225.71 propane 14.405 44.092 6.3515 0.179 propane 97.8 856357 428.18 isobutane 1.918 58.118 1.1147 0.031 isobutane 17.2 150294 75.15 n -butane 8.054 58.116 4.6806 0.132 n -butane /2.0 631108 315.55 isopentane 2.1 72.114 1.5144 0.043 isopentane 23.3 204183 102.09 n -pentane 3.203 72.114 2.3098 0.065 n -pentane 35.6 311428 155.71 cyclopentane 0 70.13 0.0000 0.000 cyclopentane 0.0 0 0.00 n -Hexane 1.2480 86.18 1.0755 0.030 n -Hexane 16.6 145012 72.51 cyclohexane 0.3700 84.16 0.3114 0.009 cyclohexane 4.8 41985 20.99 Other hexanes 2.701 86.18 2.3277 0.066 Other hexanes 35.8 313843 156.92 heptanes 1.203 100.21 1.2055 0.034 heptanes 18.6 162539 81.27 methylcyclohexane 0 98.19 0.0000 0.000 methylcyclohexane 0.0 0 0.00 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 Benzene 0.182 78.12 0.1422 0.004 Benzene 2.2 19170 9.58 Toluene 0.184 92.15 0.1696 0.005 Toluene 2.6 22861 11.43 Ethylbenzene 0.02 106.17 0.0212 0.001 Ethylbenzene 0.3 2863 1.43 Xylenes 0.035 106.17 0.0372 0.001 Xylenes 0.6 5010 2.51 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division IC8+ Heavies Notes Mole %, MW, and mass fractions from the Pawnee 16-13H gas analysis, dated 6/29/11. Emissions are based on 8760 hours of operation per year. I calculated the average MW of O8+ based on the average MW on the analysis for the gas. 1.173( 135.7531 1.5924 ( 0.045 1C8+ Heavies VOC mass fraction: 0.6445 Total VOC Emissions (Uncontrolled) 35.460 annual limit assuming 95% control monthly limit assuming 95% control (lb/mo.) 24.5 1 214698 107.35 1540.7 77.0 13085.2 Produced Natural Gas Venting/Flaring Preliminary Analysis Flaring Information Equipment Descriptbn Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value Throughput TBD TBD TBD 1844 94228.4 Btu/scf MMBtu/yr Combustion emission factor source: TCEQ 0.138 lb NOX/MMBtu tpy NOX 0.2755 lb CO/MMBtu toy CO 6.50 12.98 Emissions Summary 6.50 tpy NOX Uncontrolled/PTE 12.98 tpy CO 1540.676 tpy VOC Controlled 77.034 tpy VOC Colorado Department of Public Health and Environment Air Pollution Control Division Uncontrolled Total (Iblyr) Bin Scenario A Reportable? Controlled Total (Ib/yr) Benzene 19170 A Yes 958 Toluene 22861 C Yes 1143 Ethylbenzene 2863 C Yes 143 Xylenes 5010 C Yes 251 n -hexane 145012 C Yes 7251 224 -IMP 0 C No 0 Regulatory Applicability AQCC Regulation 1 This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity.' AQCC Regulation 2 _ Section I.A applies to all emission sources. "No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air." AQCC Regulation 3 Part A: An APEN is required for this source because uncontrolled VOC emissions exceed two tons per year in an attainment area. Part B: A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. This source is not subject to Section III.D.2 (Minor Source RACT) because it is not located in a nonattainment area. Is public comment required? Public Comment Required Facility Status This facility is a synthetic minor source of VOC/HAP for Title V applicability. This facility is a synthetic minor source of VOC for PSD applicability. E a Q W cca C Fy a Emission Source AIRS ID: (Leave blank unless APCI) has already assigned a permit # & AIRS ID] tJ (Provide Facility Equipment ID to identify how this equipment is referenced within your organization.] fa E E •G 0- := Ca 4a a nested Action (check applicable request boxes) Section 02 — Re Section 01— Administrative Information O a r y rs V O 0 .0 a 0 C c A O a .N 6 €' c m a ❑ ❑ C c ). .ri h S �` K a u a +r O e IHI CO4. Li. I-. re: a a 0 O C• C• x a ❑ D o Change company name Transfer of ownership Change permit limit Request to limit RAPs with a Federally enforceable limit on PTE . o❑ 0 •0 0 03.3. v v E N OC 1700 Broadway, Suite 2300 Mailing Address: 0 Denver, CO 80290 303-390-4947 O 0 r o Section 03 — General Information N NN N O c � 0 p o e u •- 6 C O t7;p� z C a E c L U W 'Oa Ica -0a a poi 6 12i 2 .. C O OV C o � a 1 O 4 O cam. O O U 8 rt 0. v> vri . n •= E G 4.1 a IN ON E n E .o m +O 0 O O Q in CC c. -•E c .O k0`°TJ a= a L E. a e C bQ0 Q 'nQ v_�o aE �4 0 N > L ,O E �a m Qe o L) ._ 0 k a. O a Q ill •5 8 0 m' in O a S.)i a c ;ci } O a x 74 gx g vR. 4 G O it a, ¢xi• VR�Mf S� LLO. <c' uS¢ 7 ._ APEN forms: c 0 0. a. a Qs L O 8 2 V c cc a E M p1 A W /Manufacturin Section 04 — Processin Description of equipment' z z N .5- z Manufacturer. N/A Design Process Rate (Specify Units/Hour) 5.83Mscf/hr I U IL1a G P4' . L. h i Actual Level. (For Data Year) 140 Mscf/day i • O E. t ci Associated Gas Lc O u N 74 O. O 0 O • a .0. II •te' ` 0 0 x 2 2 1.1 U V El Requested level should consider process growth over the next five y imitations B l_FormAPCD-200-GeneralAPEN-Ver 9-10-2008 docx 0 00 0 sA Coo N b R s m 8 a Cn A Please use the APCD Non -Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above. p VOC Z b x 7. o x ^ e 4 -c K o b Pollutant Iopen flare Control Device Description. Secondary 0 e Overall Collection Effscienety w c Control Efficiency (%Reduction) o :114 et, 4 c:, N'ru W Uncontrolled Basis • Emission Factor r 4 Units to n ea Uncontrolled (Tons/Year) Actual Calendar Year Emissions' L.Con2:12:_joi r) z ?1 z Requeste Uncontrolled k (TonslYear) 9 %0 h 9 o 0 -LL c., °" ested Permitted ssions4 Controlled (Tons/Year) n mass balance } TCEQ factor Estimation Method or Emission Factor Source 0 0 y � 3 9 5• 4 N 7 2 9 7 � n R p' 0 a 0 3 a a v S G a s z z o' 0 5. 7 0 ro v Section 07 — Emissions Inventory Information & Emission Control Information '-Requested values will become permit limitations Requested level should consider process growth over the next five years sr.!) isamEM a C V o R 4 a g R c b 4 0 t 0va' s A a - T4 g a 14 a c a 0 -b, N • oh uoltea3ituap) tuatndlnba :Cuedwo3 aimarjrunqv R z S 3 uoi}sngmo) — 90 uopaag C runsuoD land $ Kam nol;ewa0}ul I !3T? 0 fC • uft CA 0 5 :(auo,faaya) laprto3o uopoailq 0 o r p Li c Y� a g. ❑. Vertical with obstructing raincap Xw v � 0• d a S; 3 -� o p N N N5 9f l6Z6'£'0l- b 3 0 -4 2�7 9 0 8 eb 6 A O R 3 0 ra m t; -s; Va S 8 9 -01' S O' S S' s 8 N 2 0 -5. R 8 O: 8 C 0 m PP 6 R 9 I Emission Source AIRS ID: N L1 to co 'sy AIRS ID Number: Permit Number: Whiting Oil and Gas Corporation Company Name: U) N 0 CO a) 0 U 0 N a) C 0 U Wolf 36-3624H (SEP-1) Plant Location: Thomas Gibbons Person to Contact: 0 0 U) c) E 0 4- E-mail Address: Controlled Actual Emissions (lbs/year) V" N N h Uncontrolled Actual Emissions (lbs/year) Cn c!' r r 22,837 c co N O 0 L 144,859 Emission Factor Source a) co 0 (G (6 mass balance mass balance a) U) 0 tsf (B 41 mass balance Emission Factor (Include Units) 374.7 lb/MMscf 2 Jo 56.0 lb/MMscf 97.9 lb/MMscf ccoog N.5 Control Equipment / Reduction (%) CD 0) 95% • In 0) in co 0n 0) Reporting BIN < U 0 0 0 Chemical Name Benzene Toluene Ethylbenzene Xylenes n -Hexane Chemical Abstract Service (CAS) Number N co r co co co 100414 1330207 110543 N 1 N Calendar Year for which Actual Data Applies M 0 N 0 U) a) 0 ti) 0) 0 January 16, 2013 a) (V Signature of Person Legally Authorized to Supply Data Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4, 2006 M 07 Of) rn • M rti ao ao 4i E O L, O ii O z 4 (D z 3 o a r'" CO Emission Source AIRS ID: [Leave blank unless APO) has already assigned a permit # it. AIRS ID] . Permit Number: a V K O a a or H .0 c to a a • 0 Db a` C p O u c a •c C to Ix 2 I 4 � E .OO. cn G c >Z a C N a. I) Section 01— Administrative Information C V t 4 a C L O a to Request PORTABLE source permit t A n v O it 0 o a ag., rte•. �j O r Ca > .V C. 0. O O. ' tu E 4 P. O V L .O v Y. 4, a a O v _ U .O V� J r 0 C.O O 0 00 i., K x 0, 0 O 4a a❑ ❑ S u o a o a �.x co "p Pt a t � @ Y A C' O O fl. y I. v a Q V O .E 4. -O R .- a = u' ;E 4 ? o v F, o 'n C r ,c r 0 C 'v 'ag- . g v J z 0C .:r 2 ai 7 O 7 a ❑ ❑ a ❑ ❑ ® ❑ ❑ 8 hi 0.1 z� R 7`. C Source Name: Wolf 35-2623[1 & Wolf 35-2613H Pad w� o co V ❑ ❑ Denver, CO 80290 E-mail Address: C' O, ai al o O O 40 n' . • Q. O oo 04 m a eta 44 .y. 0 CO o C3. CO i. y. III E ao w CO W C m1 ea E v Section 03 — General Information N_ N N v'• ao tructed sources, the projected startup date is: N N N For existing sources, o Cd 5 C O r T4 CA c, g to IX C C v .2 C * C O a 9 a. a O V O g a 00arl - rr - a1 E 0,0,O� w,o�o� co «1r, c o oen en en F o 0. 5 a. E.y0. 8 �. o u° o •E 7 ^o. dC1 1c 7 0 APEN fonns: Application status: g A.2 O zEl Ca is O to E tion of equipmentl: z to U N z v 0 Manufacturer: P V 0 o. V N A w4 C E El C. L O to N ti C d a. O• O to to 8 4 a J N i9 N• 0 4) CO 0. 4"" cp N1 auap-00Z-O art )O0p 800Z-0 I-6 0 0 •' 1 ▪ w 0 a — 3 *P n 'a 5 ▪ > • C n % S 0 d n n Z. v C • n O a 171 ▪ 3 y 0- g o _> C • g c c3 W 0 O d s 3 0 m 2 • 3 q u n A suogq!D semogy O • R ede c 03 d 7.3 d 0 O n 0 B rn b x' A t A re G C � d a 1 1 A n U) ^f Please use the APCD Non -Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above, p c c o w S TSP Pollutant Iopen flare 5 Control Device Description co n Sio b Overall Collection Efficiency 'h O 'h e Control Efficiency (% Reduction) G U W k • V V Uncontrolled Basis Emission Factor r !A ,..A U 00 2 µ c f et 3 C Units O 8 O ta _ Actual Calendar Year Emissions' Pr , 0 0 0 g 6 2 440.2 2 Uncontrolled (Tons/Year) Requested Permitted Emissions" D `Y N 2.7 Controlled (Tons/Year) 0 TCEQ factor mass balance TCEQ factor Estimation Method or Emission Factor Source o C Er 9 w 0 2 0 Ct Jo nanul nformation & Emission Control Information become permit limitations Reque z C w i N A O a It C v: c^ 5 Cr r 4 N U O a a 3 U N N b Ca N 0 S C a C a O C C v 3 5 Y 7 L :aattnotunueyyr Section O6 — Combustion E mnsuaT land rg, luau] uogemaoynl uoD O G N Cr. N 0 0 0 T3 9 F ? v R y a a O !L e O 00 00 y cud sasnala.I 0101 e7 'atop fsf turnup Emission Source AIRS ID: 'O O r r NOTICE (APEN) & Application for Construction Pe O U a z w a a w U F- 0 z z a E t_ C 1 (1 Z <, U O J " C J -2 ao a Q N N wa; CO a v C O a. 3 Ce O co 0) a0 C ch N AIRS ID Number: Permit Number: Whiting Oil and Gas Corporation Company Name: O 0) N Q CO a) O O a N a) C O 0 Wolf 35-2623H & Wolf 35-2613H Pad (SEP-2) Plant Location: Thomas Gibbons Person to Contact: E O U C O E-mail Address: Controlled Actual Emissions (lbs/year) O (0 x - Uncontrolled Actual Emissions (lbs/year) o 00 N o N- co- 0) CO co ,— 0 r" La (ICI Emission Factor Source mass balance a) V) V) C () (Q Q V) U V) C a) (s - mass balance Emission Factor (Include Units) 111.2 lb/MMscf "C) - a> V) N2 53.2 lb/MMscf 854.1 lb/MMscf Control Equipment / Reduction (%) in a) o O) 95% (0 O) O) C opm a) cK < U 0 0 Chemical Name Benzene Toluene Xylenes a) C co x a) c Chemical Abstract Service (CAS) Number 71432 co co c co a 1330207 110543 N 1 O N Calendar Year for which Actual Data Applies: Reporting Scenario (1, 2 or 3): January 16, 2012 3 a)) co 0 Signature of Person Legally Authorized to Supply Data Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4, 2006 2006 t• N M CO rn M r Emission Source AIRS ID: [Lease blank unless APCD has already assigned a permit t & AIRS IN 5 Permit Number: O .0 t L .a 0. N V E s 7ro`Dl v o O v. • o r ' G O E O 7 bn i O ea 0 0 S 9 2 Facility Equipment ID: Section 01 — Administrative Information Request for NEW permit or newly reported emission source Request PORTABLE source permit ® ❑ ❑ Whiting Oil and Gas Corporation Wolf 35,2623H & Wolf 35-261311 Pad Change fuel -or equipment Ii Transfer of ownership Change permit limit • Request to limit HAPs with a Federally enforceable limit on PTE Request APEN update only (check the box below that applies) ❑ ❑ a N 1700 Broadway, Suite 2300 Mailing Address: ❑ ❑ Denver, CO 80290 303-357-1443 303-390-4947 L • 7 z. Z . v o Thomas Gibbons Person To Contact E-mail Address: Section 03 —General information NN N 0 0 2 Normal Flours of Source • O fiOco tr. /t cf• N N N T O' U L▪ 5 O' SO .0 m 000 ry in P1 O o G. Q v a 5 o a O O` y. .a_ oA a. '5 ° ¢ r < r ' 45 hc.state.co.0 h O Q a O z r c'3 0 .0 V] C aw Q q • .5 -`5 ep �+ J O • as Q• ment Information & Material Use IManufacturin Section 04 -- Processin z 0 u 0 0 Manufacturer • N/A 0 0 .5 E A. 4.83 Mscf/hr r5, Associated Gas 26231i 0 • 0. 1 0 ❑ ❑ ed. please attach a separate list G E 41 a O b B l_FonnAPC D-200-GeneralAPEN-Ver.9-10-2008.docx r a ) uosdad JO all C m 0 Wry N y O p N r a 0 n ^^0 a a •0 suoggi9 semogy R 0 0 n re 0 v ^1 0 £ a'1 n 3. Q K 0 E. y o v 1 V 0 _ w kt Elcr 0* ra 4 n 04 >v •laa�ioa pu p r O Z O 2 O ro 5 n o c open flare 3 Control Device Description z CM s e Overall Collection Efficiency I W Control Efficiency (% Reduction) S = W Uncontrolled Basis Emission Factor 2 N \w CM P P } ° a7 - C C ;$ = Uncontrolled (Tons/Year) Actual Calendar Year Emissions' Controlled jTons/Year) a Uncontrolled (Tons/Year) Requested Permitted Emissions' CO Y Controlled (Tons/Year) Go 0, TCEQ factor I mass balance TCEQ factor I Estimation Method or Emission Factor Source Al 0 2 71 y c Z i C a y Section 07 — Emissions Inventory Information & Emi 0 n0)1CWJ0;uI loaluoD = n ei II become permit limitations Requested le a O 0 au alp rand yu+ 5- m 2 C a Na ' JI d N 11 N 0 w L 0 ti v 0 a e 0 0 P 0 n 3 a 5 uogsngmo J — 90 uo!aaS a. ment & Fuel Consumotion X C yly" lenP aA C,, Ch rJab O <b 2 c 0 00. Y DO m n O -4 4 O . W rt C a a J CO w Ii - 0a 73 P- C 0 O t oOti a a 0 -n C b a a an N G. G p G y n S a :aagmnN;tmiad Emission Source AIRS ID: W CD CO Cc 0 Z Paa a z w a a U I -- O z z O w�' F- Q <O I— o J " o CLCe 47t - u.1 J > a") ) 0 a w DC U 9 z 4 Z Permit Number: Whiting Oil and Gas Corporation Company Name: 0) N O 00 -o 0 0 0 N Wolf 35-2623H & Wolf 35-2613H Pad (SEP-1) Plant Location: Thomas Gibbons Person to Contact: 303-390-4947 Fax Number: E 0 U C O 0 E-mail Address: Controlled Actual Emissions (lbs/year) N., LU N O N N CC, N. .- N Uncontrolled Actual Emissions (lbs/year) v. Nr O LU � Ti r --- CO O `Md Emission Factor Source a) u) O al (6 ETo .� mass balance a) u) c.) (4 f6 E Ts sa Emission Factor (Include Units) LOU) N2 rn (/) o2 6 2 o • O U) o g r -0 Control Equipment / Reduction (%) 95% LU 0) o LO 0) Reporting BIN < 0 0 Chemical Name Benzene Toluene n -Hexane Chemical Abstract Service (CAS) Number N M 'cr 108883 110543 N O N Calendar Year for which Actual Data Applies: Reporting Scenario (1, 2 or January 16, 2012 3 N -- J a) 0 U) U) O a O 0. (.0 0 a, N 1 0 -J a) C 0 U) ci) a 0 a) C 0) in Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) December 4. 2006 Form Revision Da M N T Emission Source AIRS ID: [Leave blank unless APCD has already assigned a permit # R AIRS ID' [Provide Facility Equipment ID to identify how this equipment is referenced within your organization.' nested Action (check applicable request boxes) Section 02 — Re 774 ti l::.•V O J C CL z' eo ❑ if,— :a O v 1. V d L. v O .Q >, v_ a o •� E .c ea ea CI E ^ N E .g 8s a o o. ,o S e. v V O a C c to e .�' U E.. 0 .2 W c i",v .5 cif v a ❑ O y n o rGo yy t y 9 r. 3 x y 41 E C o 0 a c O•� C u Lzi] ti Pi u h V `° < o c a a A •s U 4 0 V OVA 4.1 ,o `4) X._0 I 0 4 v o. ., c_, U y i CC r- . s°. O o a cr o- OC ❑ ❑ ac4 ❑ ❑ Request for NEW permit or newly reported emission source Request PORTABLE source permit 0 U z 0 Eh O Q a ea N O O � ILA a. . r � � r 3 3 r E CI z e' C.1 Source Name: Source Location: N C I) W -03 N j 7U Denver, CO 80290 303-357-1443 Thomas Gibbons Person To Contact: N rn C00 C e O � c V a s a 00 es 00 c 04 ok C tom. 1 C 0 e 1 G' vV. E w � 7 93 Vi a � e W u C V C V P 0 01 O CO P N 0' O 00 V C G 8 C V C� h L V O L .VY If aC V A O r, 0 G C. rI� ea R 'b 0 00 c N M 0 C G C. b1j o 5 • V 4 '$ ° C o 8 w o c ° v N � 7 yV 4. ° C s° z C C E C .o a � C � a o. G C E rs 00. 04 N L A E to O o °-a ° 3L. a 7 'c co co 0.Z ' is ra en re, 0. �v 0,cr� .� C co o C • o00 ° ? O V in a . G g a O 0 h., an w i < V) C V L = < Li y.� w a V C/ VW rj @ IO u . W rI. 0 O. .0 7 y 00 .' 0' W 7 C a 'u .a V Ci G , n N ' U y C C co. u e:1" e� r s. a = C C� s t. o w to u t% > e� V V ° 4 E G� 00 t°J co C A' w Ci j, V• Q V O .syaq' W O ^ 7 c E � i V a l 0°0 .4,o. 6 .� 0 40 i . E v ..LI<7G :L den jA u APEN forms: hit Application stat O C z 0 0 z V? C a'3 < a z .9 -1 a o u .5; o. mentlnformatiott & Material Use a Section 04— Processine/Manufacturin • z M J z C 217 11.08 Mscf/hr as N Associated Gas c u C L O. Other Process' 5 C 9 o. 0 L. c Q 0. o c C O. C.) CO Cl N tol 0 0 o .C L V V tEl 6 R. 5 g. A e permit limitations Requested level should consider process growth over the nest five years B1_FomsAPCD-200-GeneralAPEN-Ver.9-10-2008 docx N 4- G 00 01. O.. d m ft a n O S C C y a C suoggl9 sewogj c co et 0 or E. a w a ^ a R a m$ n 3 w „ „ O N ' t," `' ta 3 n r0, ,.r bo T c< n a as a A c- - n a O �u 3 r 0' a as a 0 At o C v. a o 0' n C 3 J 3 a 0 re R this application is complete, true and correct. Please use the APCD `on -Criteria Reportable Air Pollutant Addendum form to rgtort pollutants not listed above. C C n C O -a -5 TSP b o c g a open flare -a Control Device Description a a 0 Overall Collection Efficiency 'C d Control Efficiency (Y0 Reduction) o k...) tit tu be P o W L Uncontrolled I Basis Emission Factor AA -+ S to c C C Uncontrolled Tons/Year) Actual Calendar Year Emissions'. O O O 0 N 0 g a. lit Uncontrolled (Tons/Year Requested Permitted Emissions' N 77.3 v_ Controlled (Tons/Year) .. ITCEQ factor Imass balance I TCEQ factor Estimation Method or Emission Factor Source oC 3 'a s y a o s 0 C a } ,a ! a d a 1 O a A. a AD 0 DI c G C. At H > T m z a 3 a R e as w e ro 0 pun suotleliln[ee LU nogaa5 issions Inventory Information & Emission Control Information A n values will become permit limit [s (anal palsanbay suo 3 se.!) purmiNi J C 5 N a 1,4 CO a n C W3 a. Dr AD DD O .g„ `+ w w co E. 3. N (7 n O 6 N N -`G C ti a' n N a w 3 9 :JaimfelnuelN g uo)fsngmoj - g0 uouaas C ment & Fuel Consumption Information a C dua'l:inglO ❑ a y 0 N a ta o a 'C O O a.0 m c z g• b T. n O h .. 0 a R % C J N C o 3, X W VS) 4 -4 a J c -4 J 1 Emission Release_Information :JagwnN I)w.tad ro C r 1�1 a tri z C n C27 R• col "d u' n *i N = 'O cri col C C A 't N >55 y cz O N b A w w O a w 0 Z Z 0 - O N w s F— v ZE a° U F- g v J c c J o o' ::i a cc U O 0 AIRS ID Number: 3 H Permit Number: Whiting Oil and Gas Corporation Company Name: O O) N O CO a) 0 N C O U Wildhorse 02-0224H Pad (SEP-1) Plant Location: Thomas Gibbons Person to Contact: 0 to C O E O 4- t. E-mail Address: Controlled Actual Emissions (lbs/year) CD O CO CD M Cr) h 0) NT" Uncontrolled Actual Emissions (lbs/year) O)) O) M 'T" CO M to- T N h T 93,463 Emission Factor Source • to c.) co ast0 E co mass balance mass balance mass balance Control Equipment / Emission Factor Reduction (%) (Include Units) 95% 144.1 Ib/MMscf 95°I° 157.9 lb/MMscf 95% 70.0 lb/MMscf 1,024.4 95% Ib/MMscf Reporting BIN Q U 0 0 Chemical Name Benzene Toluene Xylenes � n -Hexane Chemical Abstract Service ' (CAS) Number 71432 co CO CO CO O 1330207 110543 N CD N Calendar Year for which Actual Data Applie Reporting Scenario (1, 2 or January 16, 2012 Signature of Person Legally Authorized to Supply Data Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please prin Form Revision Date: December 4. 2006 su Emission Source AIRS ID: (Leave blank unless APCD has already assigned a permit # & AIRS ID] I- Permit Number: [Provide Facility Equipment ID to identify how this equipment is referenced within your organization.] facility Equipment 1D: uested Action (check applicable request boxes) Section 02 - R Section 01 — Administrative Information L E O U 6 Y • LTA L 0 • .. 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N N- Emission Factor Source mass balance mass balance mass balance Emission Factor (Include Units) 82.4 lb/MMscf O co w 45 co U) NY 1 Control Equipment / Reduction (%) O l() O) 95% Lo • Reporting BIN < 0 Chemical Name Benzene a) a) O O I- n -Hexane Chemical Abstract Service (CAS) Number 71432 108883 N r O N Calendar Year for which Actual Data Appli r Reporting Scenario (1, 2 or 3): January 16, 2013 Signature of Person Legally Authorized to Supply Data Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4, 2006 1 referenced within your organization 1 {Provide Facility Equipment ID to identify how this equipment i Facility Equipment ID: Section 02 — Requested Action (check applicable request boxes) Section 01 — Administrative Information ® Request for NEW permit or newly reported emission source Request PORTABLE source permit ❑ ❑ a u. NESE Sec 36 TI0N R59W Transfer of ownership Change permit limit u o V - 61 E E w Request to limit HAPs with a Federally enforceable limit on PTE a O. Ca C O .O C O Ca C G C Cr ❑ ❑ O as 0 Q0 ci C G v C. N ❑ ❑ 303-390-4947 E C V Ci s a C +o 0 o c 00 0 L o .a ✓ a a E fs E 4' F o Person To Contact: E-mail Address: Section 03 — General Information C N a b C. Ca 4) 2 a 1a C O N VF. O O. 2 5 V � 4 INS`. et Ca v V w rla O Nv vs e.Q Ca R a O N • sources, operation began on: O U C. E C a^ u] y ilt y. E C O O. '- O' ✓ O. 1. c >% C :a v.2 7.; y • o O ti '� O 161, F N Ca E C aOr GJ � c aW f1 VI▪ .O ca to 0 At O o � 6 7.1 C t a O V) C r L mCT m M r41 r•I O Os 'C W '� O O O O • m CV m 6 z w G. Application sta • C O A5 O tment Information & :Material Use anufacturin« Section 04 — Processin ription ofequipmentt: Manufacturer: .a Ca U O co .O C.. 8 a O. 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(sagou!) ttlp!ht N :(aqunsaO) n141O D cot Ct O O<ng 0 P 00 P 0' 0 n L 0 J 0 O 1.0 d 1/4O q° Section 05— Emission Release Information (Attach a separate sheet with relevant 8998G6L'OC 3 C g- n a uoa < N' w d H a cn o oa w 2 a N yy C (C or 'o a 3 a X 'C O r r C a z m4 Cr U O Cl1 _ . 3 O t [D 74, m t O 7 A O r Q Z w Q w U w F- ce U 9 Z +O L O a) N C m N AIRS ID Number: 3 H Permit Number: c 0 ro 0 Q O 0 a3 O rn c Company Name O a) N O 00 O 0 Terrace 36-11H (SEP-1) Plant Location: Thomas Gibbons Person to Contact: 0 0 r 0 .0 E 0 C Email Address: Controlled Actual Emissions (lbs/year) in a M :l)o a d' a) ,- N Uncontrolled Actual Emissions (lbs/year) a) a O ca a C) co c7 V Emission Factor Source mass balance mass balance a) v) U ca co E 75 Emission Factor (Include Units) 65.9 lb/MMscf 87.4 Ib/MMscf 0 LO vi 'Cr .0 Control Equipment / Reduction (%) 0 in a) 0 U) O) 95% Reporting BIN < O O Chemical Name Benzene Toluene n -Hexane Chemical Abstract Service (CAS) Number 71432 108883 110543 N_ O N Calendar Year for which Actual Data Appli Reporting Scenario (1, 2 or January 16, 2013 a) ca Sr. Air Quality Specialist ro O 0 U) 0 v N 0 4 cu -J 0 v a 4- C O o fQ ca c s Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4, 2006 F- a) N 0i N Emission Source AIRS ID: [Leave blank unless APCD has already assigned a permit #4i. AIRS ID] Permit Number: [Provide Facility Equipment ID to identify how this equipment is referenced within your organization.[ Facility Equipment [D: ed Action (check applicable request boxes) Section 02 Section 01 — Administrative Information Whiting Oil and Gas Corporation Request PORTABLE source permit Request MODIFICATION to existing permit (check each box below that applies) D -5 h > c a o 0. - .0 0. •y E .° E 0 v: 4 5 C O U vs C 1-• a� . u 2 vE ❑ ❑ V L A' 0 .. 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( { 00 O 01. 0.1 O O 00 eso suoggi° sewogy } f 03 ,22 B zA 33.1.103 pun awn Please use the APCD Non -Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above. // TSP Pollutant Iopen Dare �\ Control Device Description �{ � \ tli Overall Collection Efficiency Control Efficiency (% Reduction) Ji Uncontrolled Basis Emission Factor Ji 5: C Units \( Actual Calendar Year Emissions' Controlled (Tons/Year) Uncontrolled (Tons/Year Requested Permitted Emissions4 Controlled (Tons/Year)(T'ons/Year) TCEQ factor mass balance TCEQ factor fi Estimation. Method or Emission Factor Source Section 07— Emissions Inventors Information & Emission Control Information d �apisuoa moils lonal p / \{ 81 r a •i03sIGW t9'o /( \pa _( [ ( / too Of } \ a EZ 3. a & \ \ Section 06 — Combustion E wnsuo;) lane's' loam uollew.tqul uol Exhaust Opening Shape & Size (check on Direction of outlet (check one): e zI 0 0 St 00 / U' CC 1/4O / ormation in the event of multi § ) { r ita, a \ \ e \ { \ C -i § a § $ / o § -9 tn ce �( US G 1 Emission Source AIRS ID: c 600,0 z w O U Q z 0 COZ5 cn .8) � a Q • O U 1— E N U C J -v Q 7 CC C) O v— N m Q) w J ma) • o) H v O Ct. cc w LL' 9 Q z 4 AIRS ID Number: CO 3 Permit Number: Whiting Oil and Gas Corporation Company Name: Q) O CO U N County: Weld Pawnee 16-13H (SEP-1) Plant Location: Phone Number: Thomas Gibbons Person to Contact: Fax Number: O N C O E O E-mail Address: Controlled Actual Emissions (lbs/year) Q co) O) O) - 7--r CO N CO `O Uncontrolled Actual Emissions (lbs/year) N O CO r 22,184 CO N N (O CO 'C O Emission Factor Source to O a$ as co O co ro V) O mai V) (-) 03 CO 00 CO C0 Emission Factor (Include Units) N � M2 446.9 lb/MMscf O ir)2 97.9 Ib/MMscf �� c2 N _Q Control Equipment / Reduction 0/0) 95% 0 L) Q) 95% 95% 95% C, c Qm a) cc d 0 0 0 0 Chemical Name Benzene Toluene Ethylbenzene Xylenes n -Hexane Chemical Abstract Service (CAS) Number N CO d' r-- c') CO CO CO O 100414 1330207 110543 N O N Calendar Year for which Actual Data Applies: r Reporting Scenario (1, 2 or January 16, 2013 3 a Signature of Person Legally Authorized to Supply Data Sr. Air Quality Specialist Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data Form Revision Date: December 4. 2006 cn f'. is) E 0 u L h 0 0 Gz} F °z 0 < C4 Q 'Q CO 0) N Emission Source AIRS ID: [Leave blank unless APCD has already assigned a permit it it. MRS ID] Permit Number: [Provide Facility Equipment ID to identify how this equipme Facility Equipment ID: nested Action (check applicable request boxes) Section 02 — Re Section 01— Administrative Information d ., c Y• E .T d�+ x o = p L I I O g. Q W �. C a a a V or or a z a a on Transfer of ownership ❑ ❑ Change permit limit ❑ ❑ w 0 N k"' 7 G . o 'a o vi V a• % U o Q v .J u Z :n.' Whiting Oil and Gas Corporation Company Name: SWNW Sec 36 T10N RGOW .8 Request to limit HAPs with a Federally enforceable limit on PTE x N 1700 Broadway, Suite 2300 Mailing Addres 0 O o a o d � ;. r a� O 5 O E ?; dap W 0 o (; o > E o u a 7ej J ❑ ❑ Denver, CO 80290 _Phone Number: 303-357-1443 Thomas Gibbons Person To Contac E-mail Address C_ E: 0 0 s e w o eC. G O 0 C 4 y L o .4 c o 0 4 2 'O o a w E_ t° c bp c II N a C fi "Cl O o '^ C o a , a E v 5 8. O =VC 0. O 0 2 C i. on a 0 kg 0 E Y E C ° •L g,in all fV W 4 W y u x d u .0 W 0 .3 0 en 0 c t a w 0 N F 454.0 E C' o Ca 0 6) may v p C. oD t. Li '' r C. L. 8 Lc) men M IN CI 1,1 D 40CI '0 rrs f^ M ca ca r Q cA W C APEN forms: 0 ❑ rmation & M L4 1. 0 v 44 C4 Section 04 — Process Description of equipme 0 z 46 • 01 0 a 4.79 \Iscflhr 2 I. 8 '. B tri . . a k A 2 2 8 o z' a 8. c d O Ocs 8 8 . 0 • E s0 PG .C. 2. 22o U U CJ 0 c b h V g. ect cr O O 0 r Rico Rlddns o3 pazuo 0 0 r W CD O. c 0 N 0 .9 N a r7 —I O 3 C5 0 • 0 - A N 0- ""2 • C Q a=G N C a R R N n C H N O o N w 4 G 9• • J _ 3 CD O a is complete, true and corre Please use the APCD Non -Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above. TSP Pollutant open flare a Control Device Description co 8 no o n ea ti 7 ., n»n v 0 0 Control Efficiency (% Reduction) CA ; • C N s o Uncontrolled Basis Emission Factor J . W Q P Be M Z11 W •may H C • C C Uncontrolled (Tons/Year) Actual Calendar Year Emissions3 Controlled (Tons/Year) ons/Year) J J c , Y Uncontrolled (Tons/Year) Requested Permitted Emissions"' Pe 4> VJ VI N Controlled (Tons/Year) I TCEQ (actor I mass balance rTCEQ factor Estimation Method or Emission Factor. Source n 0. O. J n a 0 v 2 m 7 Q J m O S t > eT i ^n C 0• 0 c Section 07 — Emissions Inventory Information Sc Emission Control Information sap Inanl:NI c x R '551 ry � L 053O1 %186'117 1J N n C a m N o on n ice V m n n m vl x N U C •- ntagguapt ILO z z 0 Section 06 — Combustion E wnsuop land 'g nom uol1RwJQJUI uoli N O M co S CD R. N- n o 5 0 n F C Vertical El Veil ® Circular: Inner Dial s 6 S a N li urulsgo qu+ :(aquasaq) a arpp El m tit N C O W B .75 C W 0 A P W J is N 7 o PH C w m O� N- ion OS — Emission Release Information (Attach a se 0 3 CD :.tagwnN I)waad Emission Source AIRS ID: a� w O w U I-- 0 z z O U) w I- z J J 0 a_ cc ::""t w J m E.-. 0 0 [r w I U 9 z 0 z E O) C a) Q E O U C O a) v C co O) a -o N a) a) a) a`) N l!) C3) CO N rn r) N AIRS ID Number: kr- I- Permit Number: Whiting Oil and Gas Corporation Company Name: 0 N3) N O OD a) O 0 O_ N Chalk Bluffs 36-13H (SEP-1) Plant Location: 303-357-1443 Thomas Gibbons Person to Contact: O U C O E O E-mail Address: Controlled Actual Emissions (lbs/year) c co( 0a '-- in co — Uncontrolled Actual Emissions (Ibs/year) C3) N- NV - (O co M 22,692 Emission Factor Source mass balance mass balance mass balance Emission Factor (Include Units) 63.8 lb/MMscf 73 N U) cot .O O NO U) cot 32 Control Equipment / Reduction (%) in rn 95% Reporting BIN < 0 0 Chemical Name Benzene Toluene Hexane Chemical Abstract Service (CAS) Number N �t N- [o CO coOD 0 110543 N_ O N Calendar Year for which Actual Data Applies: Reporting Scenario (1, 2 or January 16, 2013 c) U) O Sr. Air Quality Specialist ca U) 0 0 O_ NI) 0 a a) cp U) O) J C O a) a. o O 2 a) :o V co W c E p) O Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4, 2006 [Leave Section 02 — Requested Action (check applicable request bo Section 01 — Administrative Information 3 O • a 3 O O d Ta 3 0. W ti 7 C' a Company Name: Whiting Oil and Gas Corporation Request PORTABLE source permit Horsetail 18-0733H Pad C a tiv Transfer of ownership ❑ ❑ Change fuel or equipment Change permit limit Vo CO u2 4.) 44. E o Request to limit HAPs with a Federally enforceable limit on PTE > O 0 3 8 O 17, > 4ae •K .E O I O - a .3 a. E k 5 p O O a C 3�� O Y. F. u p E 3 � >. b u 4.1 .' V z 3 u.W O 0. 2 2 d o b . ai N O ° r a. z o p� 1 4,1 t a. 4 C V C' Cs N OC 7 i Denver, CO 80290 303-357-1443 303-390-4947 z' z' cd o - (S. C C .8 A V E O &mail Addres Section 03 — General Information N NN N N N v Normal Hours of Source Operation: General description of equipment and purpose: C E V ice.. wa w 4 c V .� .« .3 I. — 3 ..i G R o C O. V L O a a E N r co e h. i IS 0 x= 4.4 d V . u A o n ` ." o a 3 o My ~ 'n � e Q O E 'x . V R E Op . �.., V 00' A,A .0 4. i U v .Vg e O0 00 'n N . M P 0 0 W R M M M O O O M F E O. E oC o.p,§ g WICa — — W c CD 8 J ❑ r r 5 5 :n O"a zR E L.• O CU C L cr j V u�. ment Information & Materi /Manufacturin Section 04 — Processin z .a 4 0 2 z CCC cC O C cg 4 O C a 'U sS r u N 238 \4scf/day r ' V C wa 7.18 8 5 5 .SO O. ss I. Q. E. E. 0 0 8 8 0s .2 y U U BI_FormAPCD-200-GeneralAPEN_Flanng I-16-13.docx no iC / (no uthorized Person (Please (pp seamy' tz et }rt \() ar go" ! 7 5 a si uol;eaydde slit -taatios pue an p Please use the APCD Non -Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above. fi c./ \\ TSP ( ° open flare \ \ Control Device Description ( 4 fit ;/9 ((/ Control Efficiency ' (% Reduction) Lt 0 Uncontrolled Basis Emission Factor 00 E \ \Fr \( Actual Calendar Year Emissions3 /gr } fy {( // Uncontrolled.. (Tons/Year) Requested Pennitted Emissions' Controlled (Tons/Year) TCEQ factor mass balance TCEQ factor Estimation Method or Emission Factor Source mA ( ft retr et 2 I Er re ILI /) } g. \{ \ ( \ Focei rowth over the nest five years \\ -4 ( tm 4 2 - et Psin78 OCS'I tIQ \{ re ( \ ( op; uopea9uuap) tuamdmba Aedmop mop — 00 uoq aS C. wnsnop land >g maul umtewao}ul uol Exhaust Opening Shape & Sizr e O irection of outlet (check one)_ . \ :(aquasapj raga). ❑ co 2/ /} GO ▪ Z 0 P4 \}) AC e Section 05 — Emission Release Information (Attach a s tli a. ( / r re no • } 6 j t. r 0 o 2 } § S. et CA 2 / § \ Emission Source AIRS ID: 0 w 0 O a LU O (I) z O w I z I- J J O a w J I 0 0 w w F- U 0 z E O cri m 0 E O U O U C U 5 0 N a) U) U a) 123 -9808 -TD oil AIRS ID Number: H Permit Number: Whiting Oil and Gas Corporation Company Name: Q Q N O CO a) 0 U Q. N a) 0 U Horsetail 18-0733H (SEP-1) Plant Location: Thomas Gibbons Person to Contact - O U cn 0 .0 .0 U) Co E 0 E -mail Address: Controlled Actual Emissions (lbs/year) co co N.' Q N''"' CO ^ T-. Uncontrolled Actual Emissions (lbs/year) (0 N:. 1.0 to T- N �- N � to Emission Factor Source mass balance mass balance mass balance mass balance Emission Factor (Include Units) 88.5 lb/MMscf 133.6 lb/MMscf 14.0 lb/MMscf 636.0 lb/MMscf , Control Equipment / Reduction (%) 95% 95% 95% e O LU C) Q) C am a) X Q 0 0 0 Chemical Name Benzene Toluene Xylenes C ca a) I Chemical Abstract Service (CAS) Number N co NT V....O N. 108883 1330207 C�) b u') V- N O N Calendar Year for which Actual Data Applies: Reporting Scenario (1, 2 or 3): January 16, 2013 Signature of Person Legally Authorized to Supply Dat Thomas Gibbons Title of Person Legally Authorized to Supply Data Name of Person Legally Authorized to Supply Data (Please print) Form Revision Date: December 4. 2006 (Lca.e 12WE1529.XP Permit Number: TK-1, TK-2, TK-3 Facility Equipment ID: Section 02 — Requested Action (check applicable request boxes) Section 01 Administrative Information C Q 0 4 A rs p 5 0 0 °'t. u Iri 42 q w q • �+ v l'.1 a o �' F v w A0 >, u a .. .E wZ • ms G. C to I a v S. u o U N Y .c As 1- ' v C1 V 0 t N[A«� y� C.1 �`�,' O O c ° 'J4 0 ❑ ❑ S ' s0 le d .� ;, ' E 'b y i Zr• ey ..Vi 5 w m .O Q « z a 44 w o •E = 0 .v •S .y 6c° —a Q O L ° O I..e-e.2 A. a v is. c `: .� ao� e. m "... o 0 O y C O W G 0 .£ 0 v y .5. 'O Z. CZ on no .� W . C o w L. 0 �° a 5 c ° 0' �. Cr 'a w :I C.i cc::, P GC cc o J w c 0 0 0 7 40 x x a O O x a❑❑ a Z ❑ ❑ ❑ ❑ ❑ e.5Z Whiting Oil and Gas Corporation Horsetail 18-07331-I Pad ki E E Z zy 7T V a G 40: LJ NOG ZIP.Code: ode: 80290 1700 Broadway, Suite 2300 Denver, CO 80290 0 E z E-mail Address: N O N .' so bb 5 o d E Z'a en e, r� L. 9y, A o 0 ors\O Wi t,.. c C. u as '3 0E r%, r%, o 64.) "s"..) IH G.' ,� i'..g.,0• r��:cw. L:.1 Ei . 4.1 0 w " .C A r .. • Co ,o a 2.^E §1 n • sx a 0. u .0 . 0 T O ,P. A 9 u t. ... U V{ a cis n c 0 G i, G 'w t� G 0 A4' aO. >,o aE 'J.oey , 9 Cs�,' c 800' " AyU '.0 ril ° C•G u IFS, apU a`' a =— V H o`oa OAa7, v t. .e.(...) � -" Ca u. e( sn a. CJ C O Q 5 z ® z O V J ✓s Ts d 0 Vtor O C Description of equipmen C Manufacturer: C O c. A A A A O O mit _ v, Eq c CC .O 4 Other Process of -equipment, materials and throughputs n. L N O 0 FORM APCD-200 a O Y C co Y OO V 0) I � E 4 O 4- V J C O I- C,2 C O Cl O a W a z 9 Z a X ai N .. Ni z • w O 4 a Emission Source AIRS ID: 123 Permit Number: 7 O O 4 o> V ase Information E E in. M to 0 P C M - 0(51 O ?0 Q cf '4 co sEl3 2 O z Other (Describe) Ts t Circular: Inner Diame O Section 06 — Comb z° F o Manufacturer: G PPR 0 H w C c a y G C1 m JUtr 0 To- 00 N a G x E 0 8 0 will become permit limitations Requested ley Estimation Method or Emission Factor Source site -specific factor 9 Please use the Alt I) Non Criteria Reportable Air Pollutant Addendum form to report pollutants not listed above. Requested Permitted Emissions' Uncontrolled Controlled (Tons/Year) (Tons/Year) N f Acmal Calendar Year Emissions3 Uncontrolled Controlled (Tons/Year) (Tons/Year) Emission Factor Uncontrolled Units Basis a N rn .0 Control Efficiency (% Reduction) o. Overall Collection Efficiency a Control Device Description Secondary c 0$ .O 00 0 V Pollutant TSP %c X V as°z > ., I. 00 C O y CU C) h t O' 4 Thomas Gibbons 4 m F- C v • e [H e C (.3 O 0 K a A. 0 0. a n 0 O ro a 0 F N a N w c.. O Q fa. O i▪ s w, c 0 a 0- 0 a C O D V) Hello