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Home My WebLink About20140830.tiff STATE OF COLORADO John W.Hickenlooper,Governor Larry Wolk,MD,MSPH eoF co40 Executive Director and Chief Medical Officer ve! rs' \ Dedicated to protecting and improving the health and environment of the people of Colorado 4300 Cherry Creek Dr.S. Laboratory Services Division /876 Denver,Colorado 80246-1530 6100 Lowry Blvd. 97 Phone(303)692-2000 Denver,Colorado 80230-6928 Colorado Department Located in Glendale,Colorado (303)692-3090 of Public Health www.colorado.gov/cdphe and Environment Weld County -Clerk to the Board 1150 O Street PO Box 758 Greeley, CO 80632 RECEIVED March 12, 2014 MAR 17.2014 WELD COUNTY COMMISSIONER,: Dear Sir or Madam: On March 15, 2014,the Air Pollution Control Division will publish a public notice for Carrizo Oil and Gas, Inc.—Pergamos 3-11, 4-3 & 3-3-7-60, in the The Greeley Tribuen. 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, 1.,aJ Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure etlblw` CC'. IL , ('w , +tb 3-a1.0 1'4 S-t1-H 2014-0830 STATE OF COLORADO John W.Hickenlooper,Governor Larry Wolk, MD,MSPH �^oF cotop Executive Director and Chief Medical Officer NQ Dedicated to protecting and improving the health and environment of the people of Colorado ,�`. 4300 Cherry Creek Dr.S. Laboratory Services Division .�eve Denver,Colorado 80246-1530 8100 Lowry Blvd. Phone(303)692-2000 Denver,Colorado 80230-6928 Colorado Department Located in Glendale,Colorado (303)692-3090 of Public Health www.colorado.gov/cdphe and Environment Website Title: Carrizo Oil and Gas, Inc. — Pergamos 3-I 1, 4-3 & 3-3-7-60— Weld County Released To: The Greeley Tribuen On: March 12, 2014 Published: March 15, 2014 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: Carrizo Oil and Gas, Inc. Facility: Pergamos 3-11, 4-3 & 3-3-7-60 multi-well, crude oil production pad with associated natural gas 11.8 miles west of Raymer, Colorado 80611, Lot 4, Section 3, T7N, R60W Weld County The proposed project or activity is as follows: The operator proposes a well site multi-pad where comingled liquids and gas enter a separator at which point the gas is either gathered into a pipeline or flared off at a requested rate of 58.6 MMscf/year. The liquids enter heater treaters where the crude oil will be sent to nine 400 barrel atmospheric tanks with a requested throughput of 123,967 barrels/year to be loaded out on trucks. The produced water will be sent to three 400 barrel atmospheric tanks at a requested rate of 98,069 barrels/year. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No. 3, Part B, Section 111.C due to the following reason(s): • permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section 111.C.1.a (25 tpy in a non-attainment area and/or 50 tpy in an attainment area) • the source is requesting a federally enforceable limit on the potential to emit in order to avoid other • requirements The Division has made a preliminary determination of approval of the application. filed A copy of the application, the Division's analysis, and a draft of Construction Permit 13 WE2315 have been PP � 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: Kirk Bear Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B l Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us STATE OF COLORADO or COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT A AIR POLLUTION CONTROL DIVISION TELEPHONE:(303)692-3150 CONSTRUCTION PERMIT PERMIT NO: 13WE2315 Issuance 1 DATE ISSUED: ISSUED TO: Carrizo Oil and Gas, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Pergamos 3-11,4-3&3-3-7-60, located in the Lot 4 of Section 3,Township 7N, Range 60W,in Weld County,Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Separator controlled by a 25'flare stack.Flare has a SEPARATOR 005 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 AIRS ID: 123-9B98-001 Page 1 of 7 Wellhead Version 2012-1 Colorado Department of Public Health and Environment Air Pollution Control Division 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 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 shall be provided to the Division within fifteen(15)days after issuance of permit. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference:Regulation No.3,Part B, III.E.) 6. The operator shall retain the permit final authorization letter issued by the Division,after completion of self-certification,with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7. Emissions of air pollutants shall not exceed the following limitations(as calculated in the Division's preliminary analysis).(Reference:Regulation No.3,Part B,Section II.A.4) Annual Limits: Facility AIRS Tons per Year Emission Type Equipment ID Point NOx VOC CO SEPARATOR 001 2.8 33.6 15.1 Point See"Notes to Permit Holder#4"for information on emission factors and methods used to calculate limits. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions,(including all HAPs above the de-minimis reporting level)from each emission unit,on a rolling twelve(12)month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility,for Division review. This rolling twelve-month total shall apply to all permitted emission units,requiring an APEN,at this facility. 8. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit(Reference:Regulation No.3, Part B,Section III.E.) Facility AIRS Control Device Pollutants Equipment ID Point Controlled SEPARATOR 001 25'open flare stack VOC,HAPs AIRS ID:123-9698-001 Page 2 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division PROCESS LIMITATIONS AND RECORDS 9. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the throughput shall be maintained by the applicant and made available to the Division for inspection upon request. (Reference:Regulation 3,Part B, II.A.4) Process/Consumption Limits Facility AIRS Process Parameter Annual Limit Equipment ID Point SEPARATOR 001 Natural gas flaring 58.6 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 this point,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 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). AIRS ID: 123-9B98-001 Page 3 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division Periodic Testing Requirements • 16. 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 17. 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. 18. 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 O). GENERAL TERMS AND CONDITIONS 19. 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. 20. 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 AIRS ID:123.9B98-001 Page 4 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 21. 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. 22. 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. 23. 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. 24. 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. 25. 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. • Deleted:I _... 11 11 11 By: 5 Kirk Bear ¶ Permit Engineer 9 i Formatted:Indent:Left: 0",First line: 0" Permit History Issuance Date Description Issuance 1 This Issuance Issued to Carrizo Oil and Gas,Inc. AIRS ID: 123-9B98-001 Page 5 of 7 Colorado Department of 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/ai rreas/100102aocccom monorovisionsreq.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 Pollutant CAS# BIN Uncontrolled Reportable? Controlled Point (Ib/yr) (Ib/yr) benzene 71432 A 4654 yes 233 001 n-hexane 110543 C 23984 yes 1199 toulene 108883 C 2723 yes 136 5) The emission levels contained in this permit are based on the following emission factors: Emission Emission CAS It Pollutant Factors Factors Source Uncontrolled Controlled _ 16.4 0.82 VOC Ib/MMBtu Ib/MMBtu mass balance CO 0.37 0.37 AP-42 Ib/MMBtu Ib/MMBtu .068 .068 NOx AP-42 lb/MMBtu lb/MMBtu 71432 benzene lb/MMscf lb/MMscf409.2 20.5 mass balance 110543 n-hexane mass balance lb/MMscf lb/MMscf 108883 toulene mass balance lb/MMscf lb/MMscf Note: The controlled VOC and HAP emissions factors for point 001 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 AIRS ID:123.9B98.001 Page 6 of 7 Colorado Department of Public Health and Environment Air Pollution Control Division with this permit.For any questions regarding a specific expiration date call the Division at(303)-692- 3150. 7) This facility is classified as follows. Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC,HAPs NANSR Synthetic Minor Source of: VOC,HAPs 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: hip_ cell enu riccc o‘ 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—SubpartZ MACT 63.600-63.1199 Subpart M—Subpart DDD MACT 63.1200-63.1439 Subpart EEE—Subpart PPP MACT 63.1440-63.6175 Subpart OOO-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 ustac/oildaspermittmq html AIRS ID: 123-9B98-001 Page 7 of 7 Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information Company Name: Carrizo Oil and Gas, Inc. Permit Number: 13WE2315 Source Location. Lot 4, Section 3,T7N, R60W Description Separator with a 25'flare stack AIRS ID: 123-9B98-001 Date: 13 February 2014 Review Engineer: Kirk Bear Control Engineer: Christopher Laplante Section 2—Action Completed Grandfathered Modification APEN Required/Permit Exempt X CP1 Transfer of Ownership APEN Exempt/Permit Exempt *If tank is a true minor source at a true minor facility, it shall be granted "Final Approval" 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? 18 June 2013 Section 4—Source Description AIRS Point Equipment Description Separator Separator controlled by a 25'flare stack. Flare has a minimum combustion efficiency of 95%. The flare is not enclosed. Is this a portable source? Yes X No Is this location in a non-attainment area for any criteria X Yes No pollutant? If"yes", for what pollutant? PKo CO X Ozone Is this location in an attainment maintenance area for Yes X No any criteria pollutant? If"yes", for what pollutant? (Note: These pollutants are subject to minor source PM10 CO Ozone RACT per Regulation 3, Part B, Section III.D.2) Is this source located in the 8-hour ozone non- attainment region? (Note: If"yes"the provisions of X Yes No Regulation 7, Sections XII and XVII.C may apply) Page 1 Section 5—Emission Estimate Information AIRS Point Emission Factor Source SEPARATOR Mass Balance Did the applicant provide actual process data for the emission inventory? X Yes No Basis for Potential to Emit(PTEI AIRS Point Process Consumption/Throughput/Production SEPARATOR 58.6 MMscf/day Basis for Actual Emissions Reported During this APEN Filing (Reported to Inventorvl AIRS Point Process Consumption/Throughput/Production Data Year SEPARATOR 58.6 MMscf/day 2013 Basis for Permitted Emissions(Permit Limits) AIRS Point Process Consumption/Throughput/Production SEPARATOR 58.6 MMscf/day Does this facility use control devices? X Yes No AIRS Point Process Control Device Description % Reduction Granted SEPARATOR 01 25'flare stack 95 Section 6—Emission Summary (tons per year) Point NO, VOC CO SOx PM10 Single Total HAP HAP PTE: 001 2.8 672.5 15.1 12.0 15.7 Uncontrolled point 001 2.8 672.5 15.1 12.0 15.7 source emission rate: TOTAL PERMITTED 001 2.8 33.6 15.1 0.6 0.8 (TPY) Section 7—Non-Criteria/Hazardous Air Pollutants Uncontrolled Are the Controlled Pollutant CAS# BIN Emissions emissions (Iblyr) (Ib/yr) reportable? Emissions( Y) Benzene 71432 A 4654 Yes 233 Toluene 108883 C 2723 No 136 n-Hexane 110543 C 23984 No 1199 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. Section 8—Testing Requirements Will testing be required to show compliance with any emission rate or regulatory X Yes No standard? If"yes", complete the information listed below AIRS Point Process Pollutant Regulatory Basis Test Method SEPARATOR 01 VOC, State only requirement Site-specific gas HAPS analysis Page 2 Section 9—Source Classification What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what programs? X Title V PSD X NA NSR X MACT Is this a modification to an existing permit? Yes X No If"yes"what kind of modification? Minor Synthetic Major Minor Section 10—Public Comment Does this permit require public comment per CAQCC Regulation 3? X Yes No If"yes",for which pollutants?Why? VOC For Reg. 3, Part B, III.C.1.a (emissions increase> 25/50 tpy)? X Yes No For Reg. 3, Part B, III.C.1.c.iii (subject to MACT)? Yes No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No Section 11 —Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards (NAAQS)? If"yes", for which pollutants?Why? NOx emissions are less than 40 TPY. AIRS Point Section 12—Regulatory Review Regulation 1 -Particulate, Smoke. Carbon Monoxide and Sulfur Dioxide Section II.A.1 - Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in excess of 20% opacity. This standard is based on 24 consecutive opacity readings taken at 15-second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix 001 A(July, 1992)) in all subsections of Section II.A and B of this regulation. Section II.A.5 -Smokeless Flare or Flares for the Combustion of Waste Gases No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. Regulation 2—Odor Section I.A -No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are 001 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 Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for 001 each individual emission point in a non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant (pollutants are not summed) for which the area is in non-attainment. (Applicant is required to file an APEN since emissions exceed 1 tons per year VOC) Part B—Construction Permit Exemptions 001 Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 2 TPY threshold (Reg. 3, Part B, Section II.D.3.a) Regulation 6-New Source Performance Standards 001 None Page 3 Regulation 7—Volatile Organic Compounds XII. VOLATILE ORGANIC COMPOUND EMISSIONS FROM OIL AND GAS OPERATIONS This facility is located in the 8-hr ozone control area; therefore,this facility is 001 subject to Section XII of this regulation. XVII STATEWIDE CONTROLS FOR OIL AND GAS OPERATIONS... This facility is an oil and gas operation that does not operate any equipment subject to Section XVII of this regulation. Regulation 8—hazardous Air Pollutants 001 None Section 13—Aerometric Information Retrieval System Coding Information Emission Pollutant/ Fugitive Emission Factor Control Point Process Process Description Factor CAS# (Y/N) Source (%) SCC 40400152-Vapor collection losses 16.4 Engineering lb/MMscf VOC No Calculation 95 0.068 NOx No AP-02, NA lb/MMBtu Table 13.5-1 0.37 CO No AP-42, NA lb/MMBtu Table 13.5-1 01 Flare 001 79'4 Benzene No Engineering 95 lb/MMscf Calculation 46.5 Toluene No Engineering 95 lb/MMscf Calculation 409.2 n-hexane No Engineering 95 lb/MMscf Calculation SCC Section 14—Miscellaneous Application Notes AIRS Point 003 Flare Operator provided an extended gas analysis and emissions were calculated using EPA Emission Inventory Improvement Program Publication,Volume II, Chapter 10-Displacement equation (10.4-3) where: 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 An extended gas analysis/gas analysis was provided in the application. The gas analysis was performed less than a year of submittal. Page 4 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Division Information Engineer: Kirk Bear I Attainment Status Control Engineer: Christopher Laptante PM10 Attainment Review Dale: 02/13/2013 PM2.5 Attainment Application Dale: 06/18/2013 - SOx Attainment NOx Nonaitainment VOC Nonattainment Facility Information CO Attainment Permit No. 13WE2315 County# 123 Weld AIRs Facility# 9098 Point# 001 Facility Equipment ID Separator Company Name Carrizo Oil and Gas,Inc Source Name. Pergamos 3-11.4-3 6 3-37-60 source Location Lot 4 Section 3 Township 7N Range COW SIC 211111 Elevation(feet)4935 New Permit ModificationAPEN X (CPi) (Issuance#) Required/Permit Exempt Transfer of APEN Ownership Exempt/Permit Fxsnmt 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=Cr MW•Xx/C Ex=emissions of pollutant x 0=Volumetric flow rate/volume of gas processed MW=Molecular weight of gas=SG of gas•MW of air Xx=mass fraction of x in gas C=molar volume of ideal gas(379 scf/lb-mot(at 6OF and 1 atm Throughput(O) 5860 MMscf/vr I 6869.5 scMr I 4.98 MMscf/mo MW 24.680 lb/lb-mot 0001 MMscf/d mole Ye MW Ibx/Ibmol mess fraction E lb/hr lb/yr toy Helium 001 4.0026 0.000 0.000 Helium 0.0 62 0.03 CO2 247 44.01 1 087 0.044 CO2 192 t 168076 84.04 N2 089 28013 0.249 0010 N2 44 38549 1927 methane 690179 16.041 11.071 0.449 methane 195.4 1711792 855.90 ethane 122774 30.063 3691 0.150 ethane 65.1 570685 28534 propene 88074 44.092 38834 0.157 propane 68.5 600435 30022 isobutane 09525 58.118 0.5536 0022 isobutane 98 85592 42.80 n-butane 31638 58.118 1.838/ 00/5 n-butane 32.5 284301 142.15 isopentane 09412 72.114 04824 0019 isopentane 82 71494 3575 n-pentane 0.8302 72.114 0.6030 0.024 n-pentane 10.6 93237 46.62 cydopentane 0.0778 70.13 0.0546 0002 cyclopentane 10 8436 4.22 n-Hexane 0.1740 66.18 0.1500 0.006 n-Hexane 2.6 23185 11.59 cydohexane 00462 84.16 0.0389 0.002 cyclohexane 07 6012 301 I Other hexane! 03166 86.18 0.2728 0.011 Other hexanes 4.8 42187 21.09 heptanes 0.1286 100.21 0.1289 0.005 beptanes 2.3 19926 9.96 methvcyciohexane 00298 98.19 0.0293 0.001 methvlcyclphexane 0.5 4524 2.26 224-TMP 00001 114.23 0.0001 0000 224-TMP 00 18 001 I Benzene 00362 78.12 0.0283 0.001 Benzene 0.5 4372 2.19 Toluene 0.0167 92.15 00154 0.001 Toluene 03 2379 1.19 ' Ethylbenzene 0.0016 106.17 0.0017 0.000 Ethylbenzene 0.0 263 0.13 Xylenes 00031 10.17 00033 0000 XNenes 0.1 509 025 08,Heavies 0.0801 045 330 0.5169 0021 08+Heavies 9.1 79923 39.96 VOC mess fraction: 03477 Total VOC Emissions(uncontrolled) 6634 24.680 annual limit assuming 95%control 33.2 Notes monthly limit assuming 95%control lib/mo I 5634 3 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Fralinment Description Flare to combust produced gas until pipeline is available at this wellhead facility. Manufacturer Model 25'Flare Slack Serial Number Gas Heating Value 1396 Btulscf Throughout 81805.6 MMBtuNr Combustion emission factor source: AP-42.Chapter 13.5 Z068lt 00XM1MBtu I 15 13I COI Metul Emissions Summary 2.78 thy NOX Uncontrolled/PTE 15.13 tpy CO 663.397 tpv VOC Controlled 33.170 try VOC uncontrolled Scenario A Controlled Total(IbNr) Bin Reportable? Total(ib/yrl Benzene 4372 A Yes 219 Toluene 2379 C Yes 119 Ettylbenzene 263 C No 13 Xylenes 509 C No 25 n-hexane 23185 C Yes 1159 224-IMP 18 C No 1 • Regulatory Applicability . AOQCC Reaulationj. 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.' ACCC Reouladon 3 Section LA applies to all emission sources."No person,wherever located,shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven(7)or more volumes of odor free air." BQCQfieeula*on, An APEN Is required for this source because uncontrolled VOC emissions Part A: exceed one ton per year in a nonattainment area for ozone. A permit is required for this source because uncontrolled VOC emissions from this facility exceed two tons per year in a nonattainment area for ozone. Pert 6: This source is subject to Section III 0.2(Minor Source RACT)because it is located in a nonattainment area RACT for this source has been determined to be the use of a flare to control emissions Is public comment Public Comment Required/Public Comment not required re0uired? Facility Status This facility is a true minor/synthetic minor/maior source of NOXNOC/CO/HAP for Title V applicability This facility is a true minor/synthetic minor/major source of NOXNOC/CO/HAP for P5D/NSR applicability Emission Factors for Permit Uncontrolled NOX 94.928 t MMsd natural gas vented CO 516.52 b/NIMscf natural gas vented VOC 22641.5224 b/MMscf natural gas vented Benzene 74.6159 b!MMscf natural gas vented Toluene 40.6044 b/MMscf natural gas vented Earylbenzen e 4.4821 b/MMscf natural gas vented Xylenes 8.6841 blMMscf natural ges vented n-Hexane 395.6549 NMMscf natural gas vented 224-TMP 0.3014 b/MMscf natural gas vented Controlled NOX 94.928 Ib/MMscf natural gas vented CO 516.52 IbMMsd natural gas vented PLaZ� 1132.0761 T'r-•natural gas vented :enz:ne na rat gas vented o uene na rat gas vented - ne s na rel gas vented :e �.E85Y� a •neural gas vented n- arena na ural gas vented rr<wla�.) 114 na urat gas vented II 3 ar (t O o N o U d).. 0 0 0 0 0 0 Z e a) } y 22 >2 x 0 0.0 0 0 0 0 0 6 in in Lin `- t 0 m in 70))0))0)) U w N m r "((vjn m o m0_co 00 2))0. V N N N on•- F- ac a) h C � r O) O)M NN O a) 2 O N L N NN N r r N' r « oa• a N) Ea J ce W te 0 O O_ C O m « E J N_ O U E a 3 < W C r Z W 2 Z 0 K a) > O Z w Z =N in m o 0 co en O O 0 N co a, < N U O O O U O 13 w 0 o m 0 0 0 U U U U o m m men Of en O)OI O) C 0 o >. w s s c c c c c c c m p 00 0 U U 0 o o 0 o o 0 d O 2 "6 e Nf N C C_ C C_ C C C w o w 1 T mmm mmmEr" HOZ w < QWWWWWWW Zy_ w = c 000000'5.n 0 in 0 V) 41 N N Y) N CO O aet N 22 2 2 n 22 2 2 0_ctw ¢ w a n n a a n a 35 a 0 O L 00 N N US N V Op Z' O N N N . Oao co NO a o mej_ppw )oa m)oM a: <r )O V OO N YiO E O — O m 10 N N t m y O U V N co m 0 C 7 coi a a min U o = z LL O C C C C C C C C C O o N C C O C d N• m M N to x U 2 >≥.N 0 . 0 ¢000 aroo5SirN o U ZU>m 1- wX CN Z% O in O O c X4 N co r CO m W Cii O N CO NI' N CO O _ J Coco cni co 2 (r' r a I- Or Orcn nir in 2 co ON t _ O m in O. O m o m a z o m i,E o w IT) - m oa U c o O U m co o) o 0 m a CO « o at N.N W m c 1-'� 0o 0, ao z« You can copy each row into the permit history file for a facility-wide summary. The first row can be copied into the Criteria tab. The second and third rows can be copied into the HAPs tab. Be sure to do Edit, Paste Special, Values to avoid creating links back to this PA in the history file. Controlled Emissions Reportabl POINT PERMIT Description NOx VOC Fug VOC CO e HAPs 001 13WE2315 Produced natural gas venting 2.8 33.2 15.1 Controlled Emissions POINT PERMIT Description Fortraklehyde Accealdehyde'Benzene.Acrolein Toluene 001 13WE2315 Produced natural gas venting 219 119 Uncontrolled POINT PERMIT Description Formaldehyde Acatakdehyde BenzeneAcrolein Toluene 001 13WE2315 Produced natural gas venting 4372 2379 Uncontrolled Emissions Total Reportabl Total HAPs NOx VOC Fug VOC CO e HAPs HAPs 2.8 663.4 15.1 Ethylbenzene Xylene n-Hexane 2,2,4-Tri'Methanol 1.3-Butadiene 13 25 1159 1 Ethylbenzene Xylene n-Hexane 2,2,4-Tri'Methanol 1,3-Butadiene 263 509 23185 18 STATE OF COLORADO OF ��<p COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT N�� AIR POLLUTION CONTROL DIVISION TELEPHONE: (303)692-3150 .�+.,0 1876 CONSTRUCTION PERMIT PERMIT NO: 13WE2316 6 Issuance 1 DATE ISSUED: ISSUED TO: Carrizo Oil & Gas, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Pergamos 3-11, 4-3 & 3-3-7-60 Multi-Pad, located in the Lot 4, of Section 3, Township 7N, Range 60W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID TANKS 002 Nine 400 bbl crude oil storage tanks manifolded together. Emissions from these tanks are controlled by a combustor. 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 AIRS ID: 123-9698-002 Page 1 of 8 Condensate Tank SM/M Version 2012-1 Colorado Department of Public Health and Environment Air Pollution Control Division months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification,with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 6. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Equipment ID Point NO, VOC CO Emission Type TANKS 002 --- 22.4 --- 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 P h' criteria pollutant emissions, (including all HAPs above the de-minimis reporting level)from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 7. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit (Reference: Regulation No.3, Part B, Section III.E.) Facility AIRS Pollutants Equipment Point Control Device Controlled ID TANKS 002 Combustor VOC, HAPs PROCESS LIMITATIONS AND RECORDS 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 AIRS ID: 123-9B98-002 Page 2 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility Equipment Point Process Parameter Annual ii ID 123,967 TANKS 002 Crude oil throughput bbllyrl/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 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 Number 3, 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. Emission control devices subject to Regulation 7, Sections XII.C.1.d or XVI1.B.1.c shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. &4.) 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 COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 13. The owner or operator shall demonstrate compliance with Condition 11, using EPA Method 9 to measure opacity from the flare. The observation period shall be a minimum of fifteen consecutive minutes. ADDITIONAL REQUIREMENTS 14. A revised Air Pollutant Emission Notice (APEN)shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually by April 30th whenever a significant increase in emissions occurs as follows: AIRS ID: 123-9B98-002 Page 3 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5)tons per year or more, above the level reported on the last APEN; or For volatile organic compounds(VOC) and nitrogen oxides sources(NOX) in ozone nonattainment areas emitting less than 100 tons of VOC or NO, per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more,whichever is less, above the level reported on the last APEN submitted; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5)tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 15. Federal regulatory program requirements (i.e. PSD, NANSR 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 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. AIRS ID: 123-9B98-002 Page 4 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 18. This permit is issued in reliance upon the accuracy and completeness of information supplied by the owner or operator and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the owner or operator or owner or operator's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 19. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 20. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence,this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 21. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 22. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. By: Kirk Bear Permit Engineer Permit History Issuance Date Description AIRS ID: 123-9B98-002 Page 5 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division Issuance 1 This Issuance Issued to Carrizo Oil and Gas, Inc. AIRS ID: 123-9B98-002 Page 6 of 8 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 u lations/a irregs/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. Uncontrolled Are the Controlled AIRS Pollutant CAS# BIN Emissions emissions Emissions Point (Ib/yr) reportable? (Ib/yr) benzene 71432 A 17471 yes 874 n-hexane 110543 C 87337 yes 4367 toulene 108833 C 14505 yes 725 002 ethyl benzene 100414 C 1410 yes 71 xylenes 1330207 C 3654 yes 183 2,2,4 540841 C 6134 yes 307 trimethylpentane 5) The emission levels contained in this permit are based on the following emission factors: Emission Factors Emission Factors CAS# Pollutant Uncontrolled Controlled Source lb/bbl lb/bbl VOC 7.23 0.362 E&P Tanks 110543 n-hexane 0.705 0.035 E&P Tanks 71432 benzene 0.141 0.007 E&P Tanks • 108833 toulene 0.117 0.006 E&P Tanks • 100414 ethyl benzene 0.011 0.001 E&P Tanks 1330207 xylenes 0.030 0.002 E&P Tanks 540841 2'2'4 0.050 0.003 E&P Tanks trimethylpentane Note: The controlled emissions factors are based on the flare control efficiency of 95%. AIRS ID: 123-9898-002 Page 7 of 8 Colorado Department 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, HAPs NANSR Synthetic Minor Source of: VOC, HAPs 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:Pecfr.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 7777—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.usiap/oilqaspermitting.htmi AIRS ID: 123-9B98-002 Page 8 of 8 Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information Company Name: Carrizo Oil & Gas, Inc. Permit Number: 13WE2316 Source Location: Lot 4, Section 3, T7N, R60W Equipment Description: Nine 400 bbl crude oil storage tanks AIRS ID: 123-9B98-002 Date: 14 February 2014 Review Engineer: Kirk Bear Control Engineer: Christopher Laplante Section 2—Action Completed X Initial Approval Modification APEN Required/Permit Exempt Final Approval 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? 18 June 2013 Section 4—Source Description AIRS Point Equipment Description 002 Nine 400 bbl crude oil storage tanks Is this a portable source? Yes X No Is this location in a non-attainment area for any criteria X Yes No pollutant? If"yes", for what pollutant? PM,() CO X Ozone Is this location in an attainment maintenance area for Yes X No any criteria pollutant? If"yes", for what pollutant? (Note: These pollutants are subject to minor source PM10 CO Ozone RACT per Regulation 3, Part B, Section III.D.2) Is this source located in the 8-hour ozone non- attainment region? (Note: If"yes"the provisions of X Yes No Regulation 7, Sections XII and XVII.C may apply) Page 1 Section 5—Emission Estimate Information I AIRS Point Emission Factor Source 002 E&P Tanks Did the applicant provide actual process data for the emission inventory? X Yes No Basis for Potential to Emit(PTEI AIRS Point Process Consumption/Throughput/Production 002 123,967 bbl per year Basis for Actual Emissions Reported During this APEN Filing (Reported to inventory) AIRS Point Process Consumption/Throughput/Production Data Year 002 123,967 bbl per year 2012 Basis for Permitted Emissions(Permit Limits) AIRS Point Process Consumption/Throughput/Production 002 123,967 bbl per year Does this source use a control device? X Yes No % Reduction AIRS Point Process Control Device Description Granted 002 01 Combustor 95 Section 6—Emission Summa (tons per year) Point NO, VOC CO Single HAP Total HAP PTE: 002 -- 448.1 -- 43.7 65.3 Controlled point 002 -- 22.4 -- 2.2 3.3 source emission rate: Total Permitted 002 -- 22.4 -- 2.2 3.3 Section 7—Non-Criteria/Hazardous Air Pollutants Uncontrolled Are the controlled Emission Pollutant CAS# BIN Emission Rate emissions Ibl f (iblyr) reportable? Rata( Y) benzene 71432 A 17471 yes 874 n-hexane 110543 C 87337 yes 4367 toulene 108833 C 14505 yes 725 ethyl benzene 100414 C 1410 yes 71 xylenes 1330207 C 3654 yes 183 2,2,4 trimethylpentane 540841 C 6134 yes 307 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. Section 8—Testing Requirements Will testing be required to show compliance with any emission rate or regulatory X Yes No standard? If"yes", complete the information listed below Page 2 AIRS Point Process Pollutant Regulatory Basis Test Method VOC, Liquids Analyses 001 01 HAPS PS Memo 05-01 according to PS Memo 05-01 Section 9—Source Classification Is this a new previously un-permitted source? X Yes No What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what programs? X Title V PSD X NA NSR X MACT Is this a modification to an existing permit? Yes X No If"yes"what kind of modification? Minor Synthetic Major Minor Section 10— Public Comment Does this permit require public comment per CAQCC Regulation 3? X Yes No • If"yes",for which pollutants?Why? For Reg. 3, Part B, III.C.1.a (emissions increase>25/50 tpy)? Yes No For Reg. 3, Part B, III.C.1.c.ii (subject to MACT)? Yes No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No Section 11 —Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards (NAAQS)? If"yes", for which pollutants?Why? AIRS Point Section 12—Regulatory Review Regulation 1 - Particulate, Smoke, Carbon Monoxide and Sulfur Dioxide Section II.A.1 - Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which is in excess of 20% opacity. This standard is based on 24 consecutive opacity readings taken at 15-second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9 (40 CFR, Part 60, Appendix A (July, 002 1992)) in all subsections of Section II. A and B of this regulation. Section II.A.5 - Smokeless Flare or Flares for the Combustion of Waste Gases No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. Regulation 2—Odor Section I.A- No person, wherever located, shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are 002 measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air. Page 3 Regulation 3-APENs. Construction Permits Operating PerrnitssPSD Part A-APEN Requirements Criteria Pollutants: For criteria pollutants,Air Pollutant Emission Notices are required for: 002 each individual emission point in a non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant (pollutants are not summed) for which the area is in non-attainment. (Applicant is required to file an APEN since emissions exceed one ton per year VOC) Part B—Construction Permit Exemptions 002 Applicant is requesting Federally enforceable limits therefore a permit is required. (Reg. 3, Part B,Section II.D.3.a) Regulation 6-New Source Performance Standards NSPS Kb: for storage vessels greater than 19,800 gallons after 7/23/84. 002 Is this source greater than 19,800 gallons (471 bbl)? no Is this source subject to NSPS Kb? No, 60.11ob(d)(4) Regulation 7—Volatile Organic Compounds 002 XII. VOLATILE ORGANIC COMPOUND EMISSIONS FROM OIL AND GAS OPERATIONS Tank is crude oil, Regulation 7 does not apply. Regulation 8—Hazardous Air Pollutants MACT EEEE: Organic Liquids Distribution 002 This source is not subject to MACT EEEE because it is located at a"production field facility" as defined in 40 CFR 63.761 (located upstream of the natural gas processing plant). 002 MACT HH 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 Process Emission Pollutant/ Fugitive Control Point Process Description Factor CAS# (Y/N) Emission Factor Source (ado) 7.23 lb/bbl VOC No E&P Tanks 95 0.141 Iblbbl benzene No E&P Tanks 95 71432 0.705 Iblbbl n-hexane No E&P Tanks 95 110543 0.117 Iblbbl toulene No E&P Tanks 95 3 01 E8P crude oil leth 1 002 Storage Tanks 0.011Ib/bbl benzene No E&P Tanks 95 100414 0.030 lb/bbl xylenes No E&P Tanks 95 1330207 2,2,4 0.050 lb/bbl trimethyl No E&P Tanks 95 pentane 540841 SCC 40400311 —Fixed Roof Tank, Crude,working+breathing+flashing losses Section 14—Miscellaneous Application Notes AIRS Point 002 Crude Oil Storage Tanks Permit exempt but requesting federally enforceable permit limit Page 4 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Heath and Environment Air Pollution Control Division Division Information Engineer Kirk Bear I Attainment Status Control Engineer. Christopher Laplante PM10 Attainment Review Date 02/13/2013 PM2.5 Attainment Application Date 06118/2013 SOx Attainment NOx Nonattainment VOC Nonattainmeot Facility Information CO Attainment Permit No 13VJE23'5 County a 123 Weld AIRS Facilely a 9898 Pomld 001 Fectltly Equipment ID Separator Company Name. Carnzo Oil and Gas.Inc Source Name.Pergamos 3-11.4-3 0 3 3.7-60 Lot 4.Section 3.Township 7N.Range SOW Source Location SIC. 2t'rt+ Elevation(feed 4535 APEN New Permit Modification X (CPI) (Issuance 4( Required/Permit F xemot APEN Transfer of Ownership ExempUPerm4 Fxemnt Notes Equipment Description This source vents natural gas from a well head separator Emissions from this source are touted to an open-flame Pare 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•Xx/C 1 Ex=emissions of pollutant s 0=Volumetric flow rale/volume of gat 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-mon at 60F and 1 aim Throughput(CI 5860 MMscflyr I 66895 scl/hr I 4.98 MMscl/mo MW 24 680 lb/lb-mot 0001 MMscf/d mole% MW Ibx/lbmot mass fraction E lb/hr lb/yr tpy Helium 001 40026 0.000 0000 Helium 00 62 003 CO2 24 44.01 1056 0.043 CO2 186 183313 8166 N2 095 28013 0266 0011 N2 47 41147 2057 methane 676557 16041 10853 0 440 methane 1916 1678009 83900 ethane t_5826 30 063 3783 0153 ethane 668 584872 29244 propane 4565 44 092 41740 0 169 propane 737 645368 32268 isobutane 4001 58.116 05987 0024 isobutane 106 92565 4626 n-butane 1,409, 72.114 1 4647 0020 n-butane opent 360 574840 137 lb pe a 72.114 04184 0.020 -ethane 0 74840 4/47 C o'Zt n-pentane CtlS.o ]1.114 06194 0025 n-pentane 108 95612 4/61 cyciopentaee CO655 70.13 00585 0 002 cyclopentane 10 8729 436 1 n-Hexane n-Hexane i.1.761 86.18 0.1516 0.006 n-Hexane 2.7 23465 1173 OtherInane 00488 84.18 00411 0002 Other exane 07 6350 3.18 Other hexane. 03245 86.18 0.2797 0011 hexane. 4.9 43239 21.62 neaten°. 01394 100.21 0.1367 0009 heptanes 24 21444 1072 methylcyclohexane 00342 98.19 0.0336 0001 eyclohexar8 0.6 5192 260 Benzene 00001 114.23 0.001 0000 224-TMP Benzene 00 18 0.01 Benzene G0385 ]6.12 00301 0.001 Benzene 0.5 4650 233 Toluene 00191 92.15 0.01]8 0001 Toluene 0.3 2721 1.36 EtlNbenzene 00017 106.17 00018 0.000 Eylvlbenzene 00 279 0.14 Xylenes C 0036 10.17 00040 000 Xykmes 01 624 031 Oe+Heavies C 0696 -'014 01102 0 004 OB•Heavies 1 9 17031 8.52 VOC mass traction 03534 Total VOC Emissions(Uncontrolled) 674 3 24.680 annual limit assuming 95%95%control 337 NOtes monthly limit assuming 95%control 06/mo] 5726.7 Produced Natural Gas Venting/Flenrp Preliminary Analysis Colorado Department of Public Heats and Environment At Pollution Contol Division Flaring Information Fquipmenf Description Flare to combust educed as until lee is available at this wellhead facility. Men facturer Model 25 Flare Stack Serial Number Gas Heatirt Value 1396 BtWsd Throughput 81805.6 MMBIWyr Cgmbgston emission factor source: AP-92 Chapter 13.5 2.781 tp NOX MBW I 15.13Itoy CO OO MBIuI Emissions Summary 28 tpy NOX Uncontrolled/PTE 15.1 Ipy CO 674.3 try VOC Controlled 33.7 toy VOC Uncontrolled Scenario A Controlled Total Bblyri Bln Reportable? Total(Ibryr) Benzene 4650 A Yes 233 Toluene 2721 C Yes 136 Ethvlbenzene 279 C No 14 Xylenes 624 C Pi. No 31 nhexane 23465 C Yes 1173 224-TMP 18 C No 1 Regulatory Applicability AQCC Regulation t 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$ Section LA applies to all emission sources."No person,wherever located,shall cause or allow the emission of odorous air contaminants front any single source such as to result in detectable odors which ere measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors we detected alter the odorous air has been diluted with seven(7)or more volumes of odor free ao" AQCCR ldonJ An APEN is received for this source because uncontrolled VOC emissions Part A: exceed one ton per year in a nonattainment area for ozone A permit rs required for this source because uncontrolled VOC emissions from this facility exceed two tons per year in a nonattammenl area for ozone Pen B. This source is subject to Section III D 2{Minor Source RAC T)because it is located in a nonaltainment area RACT for this source has been determined to be the use of a flare to control emissions Is public comment Public Comment Required/Public Comment not required required? Faculty Status This facility is a true minor/synthetic minor/m ear source of NO%NOC/CO/HAP for Title V apphcabnny This facility is a true minor/synthetic minor/major source of NOXNOC/CO/HAP for PSD/NSR applicability Emission Factors for Permit Uncontrolled NOX 94.9 b/MMscf natural gas vented CO 516.5 b/MMsd natural gas vented VOC 23012.9 b/MMsd natural gas vented Benzene 79.4 •bMMad natural gas vented Toluene 46.4 b/MMscf natural gas vented EBrylbenzene 4.8 biMMsd natural gas vented Xvlenes 10.6 b/MMsd natural gas vented rHexane 400.4 bMMsd nabrsl gas vented 224-TMP 0.3 blAMsd natural gas vented ontrolled N a X 94.9 MMMad natural gas vented Cr 5165 It4MMsd natural gas vented natural gas vented enzenre s na ural gas vented a61;LTT.51—tea[— •s�re rat gas vented t31L •-nzene ttry>, • `9•na al gas Vented �r].' •.•na i al gas vented exams na :I gas vented YrEes.•.la�rar!_ na gas vented II 3 a c CC o o o o y U 0 o m o N Z N » Z2)- Z S e e o 0 0 0 0 0 0 Nmm)N S) N0) N wrn m m mm U W in ✓ co p N N 0)N c0y co H aN � t0 V NNIo 01 (n � a ti ow o N CO O J N �N (rifle" O CD E a J 0 W G o 0 A O O 0 ) E o E n 3 Q to C r z w z z 0 a y z u z =in 'A m cny y H En N V O c- r U U U [J U co ca a3 ug 0 o▪ v 0 0 0 0 0 0 0 0 v _O ) LL'L L C C C C 1 C cn CD C C O I- o oUUa°'i2' 9' giaa)) 0aa)) o z i_ w N N C C C C C C C aow w Y Y .P Ernrn5P.51 OF p Z w<Q W W W W W W W wj c `u uuuuuuuu 2 J 0 0 N N Y) cn N CO N VI F 0 2 2 2 2 f f 2 2 2 u rc a 2 2 M M 2 2 2 2 2 (01. (7c w as nnnna an • p rnLn my a min v cn OO a) p w N or cb wi d 6 o 4 o C 5 O h n '-V 0 m c O C -O N a O U co O co C DW ua CC mZ z I w O c c c c c c c c c 0 0 in c c y o ) c c a w a N x U c c r v w a) o ?zoo> c r-wX cN T o Lo o o U, 0" C) c cn a ocnr mwr A NN '-- N V V C in> - cn O OD O M o 0 -0 `^ a'- o o 0 C r d N rrrr� c 0 v 0n a o Z '0 o v o CD � E� o co 0 a. co m oU U 0 •- N a N o CC 0 x Q cD . co n N W o 5 0 E d o • oZ:L You can copy each row into the permit history file for a facility-wide summary. The first row can be copied into the Criteria tab. The second and third rows can be copied into the HAPs tab. Be sure to do Edit, Paste Special, Values to avoid creating links back to this PA in the history file. Controlled Emissions Reportabl POINT PERMIT Description NOx VOC Fug VOt CO e HAPs 001 13WE2315 Produced natural gas venting 2.8 33.7 15.1 Controlled Emissions POINT PERMIT Description Formal Acetaldehyde A� °°^y°a Benzene Acrolein Toluene 001 13WE2315 Produced natural gas venting 233 136 • Uncontrolled POINT PERMIT Description Fowmaldehyde Acetaldehyde Benzene Acrolein Toluene 001 13WE2315 Produced natural gas venting 4650 2721 Uncontrolled Emissions total Reportabl Total HAPs NOx VOC Fug VOC CO e HAPs HAPs 2.8 674.3 15.1 Ethylbenzene Xylene n-Hexane 2,2,4-Tri'Methanol 1,3-Butadiene 14 31 1173 1 Ethyrbenzene Xylene n-Hexane 22,4-Tri'Methanol 1,3-Butadiene 279 624 23465 18 Produced Natural Gas Venting/F acing Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Division Information Engineer. Kirk Bear I Attainment Status _ Control Engineer. Christopher Laptante PM10 Atlaininent Review Dale'. 02/13/2013 PM2.5 Attainment Application Dale. 06/18/2013 SOx Attainment NOx Nonattainment VOC Nonattainment Facility Information CO Attainment Permit No 13WE2315 County 123 Weld AIRs Feeley 6 9898 Point 6 001 Facility Equipment ID Separator Company Name. Carr¢c Oil and Gas Inc Source Name'. Pergamos 3.11 4 3 R 3 31-60 L ot 4.Section 3 Township 7N,Range 60W Source Location. SIC 211111 Elevation(feet)4935 APEN New Permit Modification X (CP1) (Issuance 4) Required/Permit F xemnt APEN Transfer of ExempUPermll Ownership F aamnl Notes Equipment Description This source vents natural gas from a well head separator Emissions from this source are routed to an open-name fare Natural gas venting from a well lead separator.Emissions from this source are routed to an open- flame flare Emission Calculation Melhog EPA Emission Inventory Improvement Program Publication.Volume II.Chapter 10-Displacement Equation(104-3) Ex=O'MW'Xx IC Ex=emissions of pollutant x 0=Volumemc flow rateNolume of gas processed MW=Molecular weight of gas=SG of gas'MW of air I Xx=mass fraction of in gas C=molar volume of ideal gas(379 sof/lb-moll at 60F and 1 atm Throughput 10) 5660 MMscfM I 68895 scf/hr I 498 MMscl/mo I MW 24 680 lb/lb-mot 0001 MMscf/d mole N. MW Ibxllbmol mass fraction E Iblhr Iblyr tpy Helium 001 4.0026 0000 0.000 Helium 00 62 003 CO2 44.01 1.109 0045 CO2 196 171479 85.74 et N2 000 26041 080 0438 N2 4 490 38115 34.95 methane 6'1`67 30063 3877 0 438 methane 684 1599519 29976 etane ''.a9" 44.092 213 0171 ethane ro 744 599519 325]2 propane 7301 58118 05987 0.024 propane 105 692565 34628 n-butane i 7301 58.118 0.9534 0029 nputae 10 92565 5102 moPema 00ott 72.114 04737 0019 n-butane opente 343 372933 13647 -pentane 06241 /2114 05915 0024 pet 03 72933 4619 cvbopene 00765 /7013 00535 0.002 n-pentane lepei1I0 98328 7416 n-Hexane 00716 80.13 01479 0.006 n-Hexane 26 8328 443 cyHexane 004/6 84.16 0.0403 0.002 cyHexane 27 22886 1312 e hesan 03472 86.16 02734 0011 tyde exanehexan 98 6233 113 Other haxanes 0 31 i2 86.16 0.2234 0011 Other hexanes 4.8 42267 2113 heptanes 01344 10021 0.1347 0.005 haplanes 24 20824 1041 methylcycbhexane 00343 98.19 00337 0.001 mathvlcycohexans 0.6 5207 2.60 224-TMP 00001 11423 00001 0.000 224-TMP 00 18 0.01 Benzene 0037 78.12 00289 0001 Benzene 0.5 4469 223 Toluene 00182 9215 00168 0.001 Toluene 03 2593 130 Ethvbenzene 00015 106.17 00016 0000 EMMbenzene 00 248 012 Xylenes 00031 10617 00033 0000 Xylenes 0.1 509 025 I C8v Heavies 00905 0.0774 0003 C8+Heavies 14 11971 599 VOC mass fraction 0.3503 Total VOC Emissions(uncontrolled) 688 4 24 680 annual limit assuming 95%control 33 4 Notes monthlylmit assuming 95%control(Ib/mo I 56772 Produced Natural Gas VenlhglFlanng Preliminary Analysis Colorado Department of Public Health and Environment At Petition Control Division Flaring Information Eouipment Description Flare to combust produced gas until pipeline is available at this wellhead facility Manufacturer Model • 25 Flare Stack Serial Number Gas Heating Value 1396 Btu/scf TMouytput 81805.6 MMBtWyr Combustion emission factor source. AP-42.Chapter 13.5 0 2.778 ItpN00XAMBtu I 15.13IllpvCO b MBlul Emissions Summary 28 tpy'NOX Uncontrolled/PTE 15.1 pry CO 668.4 ipy VOC Controlled 33.4 tpv VOC Uncontrolled Scenario A Controlled Total(Ib/yr) Bln Reportable? Total(Ib/yr) Benzene 4469 A Yes 223 Toluene 2593 C Yes 130 Ethvlbenzene 246 C No 12 • Xylenes 509 C No 25 n-exane 22866 C Yes 1143 224-1MP 18 C No 1 Regulatory Applicability AOCC Regulation 1 Tits 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' AOCCBesuletionl2 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." AOCC Regulation 3 An APEN is required for this source because uncontrolled VOC emissions Pert A. exceed one ton per year in a nonattainment area for ozone. A permit is required for this source because uncontrolled VOC emissions from this facility exceed two tons per year in a nonattainment area for ozone Part B. This source is subject to Section III 0 2(Minor Source RACT)because it is located in a nonattainment area.RACT for this source has been determined to be the use of a flare to control emissions Is public comment Public Comment Required/Public Comment not required required? Facility Status This facility is a true minor/synthetic nnnorlm alor source of NOXNOCICO/HAP for Title V applicability This facility is a true minor/synthetic minor/major source of NOXNOCICO/HAP for PSD/NSR applicability Emission Factors for Permit e 1-.• NOX 94.9 bMMscf natural gas vented VOCCO 516.5 813. bMMsct natural gas vented en 22813.7 b/MMscf natural gas vented Tok ene 76.3 b/MMscf natural gas vented Tohnarte bMMsd natural gas vented X - - 4.2 tMMsdnatural gas vented X - e 9 b/MMscf natural gas vented 224-Hexane .3 bMMscf natural gas vented 224-TMP 0.3 tVMMscf natural gas vented ontrolled NOX 94.9 bMMscf natural gas vented CO 516.5 lb/MMsd natural gas vented r• ifrt 5''':•natural gas vented enzene na ral gas vented O Cane al gas vented laid•:naene ripe •5 -1 gas vented tS= 9 a�reati ..rfe ,I gas vented n•exams al gas vented yrCgr.uaap)� i na al gas vented ii a aa, a o U6. ww000 a 0 Z it o >- > Z Z > Z . o°o° o°0 0 o e°o°o° i0 N 10 l0 1n N h U w0O m m moo)rn rn m • m' c0 QOQ moom co I- aN to(0 ONN NN a c ya cn C OJw d f70N N 0 '. O w , o N N o N r e 0 : N M N o N E a J a LU C 0 0 w C O_ O` 10 0 X C N J• Q W C- Z W 2 0 O cc 5 y Z W Z a in N Fco cn O W(- (- 0 0 0 0 0 0 0 N Q 0 O N 0 1a m of a1 co al al w LIo 000000 S co N N 01 01 01 01 01 01 01 0 O y LL L_0 C y Cy y Cy C y cy c c aa i- 0 o U U W co N W N W N J C F. 0 p N N 0 C c 0 C 0 C a O > E 1 a .c a1 al cI 010101 k 0 _ W <Q W W W W W W W wj C U'Ott t t t u U M 0 00W00 N i— O N 2 2 2 2 W Q W a a n n n n n a n 0 • 0 W 101-MM N IA N CO o • 0 N m o cci 6 4 4 O m O a re Q 1n ro co c O N O N El O oo 2 0 U C 7 i Na a a1 in 0 0 o Z a O c c c c C c C c c 0 En C C c c to 0 N al a 0 al x U N 10 D a 0 a1 o x 4 a) Zoo `vO5 TcN o UZU>fbHWX cN 0 1n o a c Lo m N aM p or o CO m- 01 o it e o to CO O of O mmoo CO r- r O OOth— c a1 a ,_ ,_ t(r 0 v 1n a Z N N a d,rte 0 a) a T co co oa N o 0 O 0 co u Co 0r `0 a a) 0 Q N . O_ a N W w ~ E d o Z iU You can copy each row into the permit history file for a facility-wide summary. The first row can be copied into the Criteria tab. The second and third rows can be copied into the HAPs tab. Be sure to do Edit, Paste Special, Values to avoid creating links back to this PA in the history file. Controlled Emissions Reportabl POINT PERMIT Description NOx VOC Fug VOC CO e HAPs 001 13WE2315 Produced natural gas venting 2.8 33.4 15.1 Controlled Emissions POINT PERMIT Description Fomia ehjde Acetaldehyde Benzene Acrolein Toluene 001 13WE2315 Produced natural qas venting 223 130 Uncontrolled POINT PERMIT Description F°"1d"ehyde Acetaldehyde Benzene Acrolein Toluene 001 13WE2315 Produced natural qas venting 4469 2593 Uncontrolled Emissions total Reportabl otal HAPs NOx VOC Fug VOC CO e HAPs HAPs 2.8 668.4 15.1 Ethylbenzene Xylene n-Hexane 2,2,4-Tfi'Methanol 1,3-Butadiene 12 25 1143 1 Ethylbenzene Xylene n-Hexane 2,2,4-Tri'Methanol 1,3-Butadiene 246 509 22866 18 0 co N u i 0 a `o —0▪ F. a cy L a v_ env r = - • o LL c ' i E 'z . '� M M 8 c < o u ^ c c W '' E CCU N B• E lie—,C, O v `' 6 C7 C. 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