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Home My WebLink About20122604.tiff STATE OF COLORADO John W.Hickenlooper,Governor Christopher E. Urbina,MD,MPH oF cokoR Executive Director and Chief Medical Officer riAtill 'b Dedicated to protecting and improving the health and environment of the people of ColoradoG,?*� 4300 Cherry Creek Dr. S. Laboratory Services Division 'rave' 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 hltp://www.cdphe.state.co.us and Environment RECEIVED September 12, 2012 H-P 212812 Mr. Steve Moreno Weld County Clerk LD COUNTY P.O. Box 459 ` `'ISSIONERS 1402 N. 17th Ave. Greeley, CO 80631 Dear Mr. Moreno: The Air Pollution Control Division will publish a public notice for EOG Resources, Inc. This public notice will be published in the Greeley Tribune on September 16, 2012. Thank you for assisting the Division by making the enclosed package (includes public notice, preliminary analysis, Air Pollutant Emission Notice(s) and draft permit(s)) available for public review and comment. It must be available for public inspection for a period of thirty (30) days from the date the public notice is published. Please forward any comment regarding this public notice to the address below. Colorado Department of Public Health and Environment APCD-SS-BI 4300 Cherry Creek Drive South Denver, CO 80246-1530 Attention: Ellen Evans Regards, Ellen Evans Public Notice Coordinator Stationary Sources Program Air Pollution Control Division c. to eity3 01-) (.4-1 . Ht, , Pt. q 34-1 a 2012-2604 STATE OF COLORADO John W.Hickenlooper,Governor /�p.cp4o Christopher D.Urbia,MD, M H y0 \Ro Executive Director and Chief Medical Officer re\/\"• Dedicated to protecting and improving the health and environment of the people of Colorado , v�'J /�* 4300 Cherry Creek Dr.S. Laboratory Services Division «'*187_6:Y1 I' 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 http://www.cdphe.state.co.us and Environment Website Title: EOG Resources. Inc.—Critter Creek 6-1211, Natural gas production facility — Weld County Released to: The Greeley Tribune on September 12, 2012, published on September 16, 2012 PUBLIC NOTICE OF A PROPOSED PROJECT OR ACTIVITY WARRANTING PUBLIC COMMENT The Colorado Air Pollution Control Division declares the following proposed construction activity warrants public comment. Therefore, the Air Pollution Control Division of the Colorado Department of Public Health and Environment hereby gives NOTICE, pursuant to Section 25-7- 114.5(5), C.R.S. of the Colorado Air Quality Control Act that the Division received an application for an air pollution emission permit on the following proposed project and activity: EOG Resources, Inc. proposes to construct and operate a Natural gas production facility. The facility has the potential to emit (PTE) of 1,430.2 tons of VOC per year. The draft permit has limitations that will reduce emissions to 96.98 tons per year of VOC. Since this source has the potential to emit greater than 100 tons per year of VOC,but is willing to accept limits to bring the emissions below 100 tons per year, this source is considered to be a synthetic minor source for VOC as such; this permit is subject to public comment per Regulation 3, Part B, Section IIl.C.I. The Division hereby solicits and requests submission of public comment from any interested person concerning the aforesaid proposed project and activities to comply with the applicable standards and regulations of the Commission for a period of thirty (30) days from the date of this publication. Any such comment must be submitted in writing to the following addressee: Laura Strohkirch Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-BI Denver, Colorado 80246-1530 Within thirty(30)days following the said thirty(30)-day period for public comment, the Division shall consider comments and, pursuant to Section 25-7-114.5(7)(a), either grant,deny, or grant with conditions, the emission permits. Said public comment is solicited to enable consideration of approval of and objections to the proposed construction of the subject project and activity by affected persons. A copy of the applications for the emission permits, the preliminary analysis of said applications, and accompanying data concerning the proposed project and activity are available for inspection Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information • Company Name: EOG Resources, Inc. Permit Number: 11WE1162 Source Location: NWNW Sec 12,T 11N, R 63W Source Name: Critter Creek 6-12H Equipment Description: Point 001- Four(4)400BBL storage tanks for crude oil Point 002- One (1)400 BBL emergency tank Point 003- One (1) Tornado Flare Point 004-Crude oil and produced water truck loadout Point 005- One (1) 400 BBL fixed roof produced water storage tank Point 006- Fugitive emissions AIRS ID: 123-8910 Date: Began reviewing: September 29, 2011 Review Engineer: Laura Strohkirch Control Engineer: Chris Laplante Section 2—Action Completed Grandfathered Modification APEN Required/Permit Exempt X CP1 Transfer of Ownership APEN Exempt/Permit Exempt Section 3—Applicant Completeness Review Was the correct APEN submitted for this source type? X Yes No Is the APEN signed with an original signature? X Yes No Was the APEN filled out completely? X Yes No Did the applicant submit all required paperwork? X Yes No Did the applicant provide ample information to determine emission rates? X Yes No If you answered "no" to any of the above, when did you mail an On May 23, 2011 Jake,who is also Information Request letter to the source? working on some EOG sites, e- mailed David Long about the flare calculations. The mole fraction VOC had been used instead of mass fraction VOC. This caused the emissions to be underestimated and with the correct calculations facility status could change. New calculations for this facility were submitted August 23, 2011 September 23, 2010 original application was received. Revised On what date was this application complete? caics received August 23, 2011. Fugitives added to facility February 14, 2012 Page 1 Section 4—Source Description AIRS Point Equipment Description Four(4) above ground 400 bbl atmospheric crude oil storage tank. Emissions from 001 these tanks are controlled with a Cimarron smokeless combustor unit(VCU)with 95% control efficiency. One (1) above ground 400 bbl atmospheric emergency tank. This tank is used when 002 there is a need to vent the natural gas from blowdowns of the flare rather than put it into the pipeline. There are no controls for this tank. 003 One (1) Tornado Flare that is controlling a separator. This is a 40' candlestick flare that is not enclosed and has been granted 95% destruction efficiency. 004 Crude oil and produced water truck loadout. One (1) above ground 400 bbl atmospheric produced water storage tank. Emissions 005 from this tank are controlled by a smokeless Cimarron Smokeless Combustor(SN: 1324480) with a destruction efficiency of 95%. 006 Fugitive emission leaks. Is this a portable source? Yes X No Is this location in a non-attainment area for any criteria Yes X No pollutant? If"yes", for what pollutant? PM10 CO 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 Yes X No of Regulation 7, Sections XII and XVII.C may apply) Point 005: Is this source claiming exempt status for this source based on the fraction of oil in the stored water(less than 1% by volume crude oil on an average X Yes No . annual basis)? Point 005: Are these produced water tanks located at a commercial facility that accepts oil production Yes X No wastewater for processing? Point 005: Are these produced water tanks subject to Colorado Oil and Gas Conservation Commission Yes X No (COGCC) 805 Rule? If so, submit Form APCD-105 Section 5—Emission Estimate Information AIRS Point Emission Factor Source Source used E&P Tanks along with site-specific sampling to calculate a site- 001 specific emission factor VOC E.F.= 0.1314Ib/bbl Used maximum gas vented to atmosphere along with VOC weight fraction to determine a site-specific emission factor. 002 VOC E.F.= 33,714 Ib/MMscf Page 2 Emission Factors for NOx, Sox, CO and PM10 came from AP-42 Tables 13.5- 1&2 003 VOC emissions are based on a VOC weight-fraction VOC E.F.= 33,651.8 lb/MMscf 004 AP-42, Table 5.2-1, equation 1 005 CDPHE Emission Factors (PS Memo 09-02) 006 EPA-453/R-95-017, Table 2-4 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 001 175,200 BBL per year(146,000 x 1.2) 002 349,500 scf/yr or 0.35 MMscf/yr 003 233,000 scf/day or 85,045,000scf/yr or 85.0 MMscf/yr 004 302,950 BBL/yr 005 188,340 BBL/yr (156,950 x 1.2) Equipment Type Gas Heavy Oil (or Light Oil (or Water/Oil Heavy Liquid) Light Liquid) Connectors 576 --- 520 51 006 Flanges 8 --- 24 4 Open-Ended Lines 9 --- 7 5 Pump Seals --- 2 Valves 56 --- 72 24 Other 35 --- 15 6 Basis for Actual Emissions Reported During this APEN Filing (Reported to Inventory) AIRS Point Process Consumption/Throughput/Production Data Year 001 146,000 BBL per year while controls are in operation 2011 002 349,500 scf/yr or 0.35 MMscf/yr 2011 003 85 MMscf/yr 2011 004 302,950 BBL/yr 2011 005 156,950 BBL/yr 2011 Equipment Type Gas Heavy Oil Light Oil Water/Oil (or Heavy (or Light Liquid) Liquid) Connectors 576 --- 520 51 Flanges 8 --- 24 4 006 2011 Open-Ended 9 --- 7 5 Lines Pump Seals --- --- 2 Valves 56 --- 72 24 Other 35 --- 15 6 Basis for Permitted Emissions (Permit Limits} AIRS Point Process Consumption/Throughput/Production 001 146,000 BBL per year while controls are in operation 002 349,500 scf/yr or 0.35 MMscf/yr Page 3 003 85 MMscf/yr 004 302,950 BBL/yr 005 156,950 BBL/yr Equipment Type Gas Heavy Oil (or Light Oil (or Water/Oil Heavy Liquid) Light Liquid) Connectors 576 --- 520 51 006 Flanges 8 --- 24 4 Open-Ended Lines 9 --- 7 5 Pump Seals --- --- 2 --- Valves 56 --- 72 24 Other 35 --- 15 6 Does this source use a control device? X Yes No AIRS Point Process Control Device Description % Reduction Granted 001 01 Cimarron Smokeless Combustor(VCU) 95 003 01 Tornado,40' Flare Stack, SN 09CSADA3X503123 95 005 01 Cimarron Smokeless Combustor(VCU), SN 1324480 95 Section 6— Emission Summa (tons per year) Point NO, VOC CO • Single HAP Total HAP 001 0.03 11.5 0.17 002 - 5.9 - 0.08 (n-hexane) 0.1 003 4.5 1430.2 24.4 19.6 (n-hexane) 26.2 PTE: 004 - 15.7 - 0.6 (n-hexane) 1.6 005 - 24.7 - 2.07 (n-hexane) 2.72 006 - 2.4 - 0.1 (n-hexane) 0.1 Total (TPY) PTE: 4.53 1490.4 24.57 30.72 001 0.03 9.6 0.17 0.06 (n-hexane) 002 - 5.9 - 0.08 (n-hexane) 0.1 Uncontrolled point 003 4.5 1430.2 24.4 19.6 (n-hexane) 26.2 source emission rate: 004 - 15.7 - 0.6 (n-hexane) 1.6 005 - 20.6 - 1.73 (n-hexane) 2.28 006 - 2.4 - 0.1 (n-hexane) 0.1 001 0.03 0.48 0.17 0.06 (n-hexane) 0.06 002 - 5.9 - 0.08 (n-hexane) 0.1 Controlled point 003 4.5 71.5 24.4 1.0 (n-hexane) 1.3 source emission rate: 004 - 15.7 - 0.6 (n-hexane) 1.6 005 - 1.0 - 0.09 (n-hexane) 0.12 006 - 2.4 - 0.1 (n-hexane) 0.1 Total APEN Reported 4.53 96.98 24.57 2.83 (n-hexane) 3.28 emissions: Page 4 Section 7—Non-Criteria / Hazardous Air Pollutants Uncontrolled Are the Controlled Emission Pollutant CAS # BIN Emission Rate emissions Ib/ r (Ib/yr) reportable? Rate( y ) POINT 001 Benzene 71432 A 122.64 . Yes 6.13 POINT 002 Benzene 71432 A 26.2 No NA n-Hexane 110543 C 160.6 No NA POINT 003 Benzene 71432 A 6,379.1 Yes 319 Toluene 108883 C 4,816.7 Yes 240.8 Ethylbenzene 100414 C 809.8 No 40.5 Xylenes 1330207 C 2,000.7 Yes 100.0 n-Hexane 110543 C 39,106.3 Yes 1,955.3 POINT 004 Benzene 71432 A 210.8 Yes NA Toluene 108883 C 690.1 No NA Ethylbenzene 100414 C 50.84 No NA Xylenes 1330207 C 918.1 No NA n-Hexane 110543 C 1,258 Yes NA POINT 005 Benzene 71432 A 1,098.7 Yes 54.9 n-Hexane 110543 C 3,452.9 Yes 172.6 POINT 006 Benzene 71432 A 7.5 No 7.5 Toluene 108883 C 12.2 No 12.2 Ethylbenzene 100414 C 1.7 No 1.7 Xylenes 1130207 C 4.5 No 4.5 n-Hexane 110543 C 252 No 252 Note: Regulation 3, Part A, Section Il.B.3.b APEN emission reporting requirements for non-criteria air pollutants are based on potential emissions without credit for reductions achieved by control devices used by the operator. Page 5 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 Site-specific 001 01 VOC CDPHE PS Memo 05-01 sampling 002 01 VOC & State-only requirement Site-specific gas HAP's analysis 003 01 VOC & State-only requirement Site-specific gas HAP's analysis 006 01 VOC, State only requirement Site-specific gas HAPS analysis 006 01 VOC, State only requirement Hard component HAPS count Section 9—Source Classification Is this a new previously un-permitted X Yes No source? (Points 001-005) What is this point classification? True Minor Synthetic Minor Major Point 001: Four(4) above ground 400 bbl atmospheric crude oil storage X tank Point 002: One (1) above ground 400 X bbl atmospheric emergency tank Point 003: One (1) Tornado Flare X Point 004: Crude oil and produced X water truck loadout Point 005: One (1) 400 BBL fixed roof X produced water storage tank Point 006: Fugitive VOC emissions X What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what X Title V X PSD NA NSR X MAC? programs? Is this a modification to an existing Yes X No permit? 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)? X Yes No For Reg. 3, Part B, III.C.1.c.iii (subject to MAC?)? Yes X No For Reg. 3, Part B, III.C.1.d (synthetic minor emission limits)? X Yes No Section 11 — Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards (NAAQS)? If"yes", for which pollutants?Why? Page 6 AIRS Point Section 12—Regulatory Review _Requlation 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, 001-006 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 001-006 measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven (7) or more volumes of odor free air. Requlation 3-APENs, Construction Permits, Operating Permits PSD 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 001-006 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 for points 001-005 since emissions exceed 2 tons per year VOC) Part B —Construction Permit Exemptions 001-006 Applicant is required to obtain a permit for points 001-005 since uncontrolled VOC emissions from this facility are greater than the 5.0 TPY threshold(Reg. 3, Part B, Section ll.D.3.a) Part B, III.D.2 - RACT requirements for new or modified minor sources This section of Regulation 3 requires RACT for new or modified minor sources located in 005 nonattainment or attainment/maintenance areas. This source is located in the attainment area, therefore, not subject to RACT. However, operator is using 0.6 (submerged, dedicated normal service) for its saturation factor. Requlation 6 - New Source Performance Standards NSPS Kb: for storage vessels greater than 19,800 gallons after 7/23/84. 001,002,005 Is this source greater than 19,800 gallons (471 bbl)? No Is this source subject to NSPS Kb? No 003,004, none 006 Regulation 7—Volatile Organic Compounds XII. VOLATILE ORGANIC COMPOUND EMISSIONS FROM OIL AND GAS OPERATIONS (Applicant is not subject to the emission control requirements for condensate tanks 001,002,005 since it is located in an attainment area.) XVII.C STATEWIDE CONTROLS FOR OIL AND GAS OPERATIONS... (Applicant is not currently subject to this since these are not condensate storage tanks 003,004, None 006 Requlation 8— Hazardous Air Pollutants MACT EEEE: Organic Liquids Distribution • This source is not subject to MACT EEEE because it is located at a"production 001, 002, 005 field facility" as defined in 40 CFR 63.761 (located upstream of the natural gas processing plant). Page 7 MACT HH 001,002 • This source is not subject to MACT HH because it is not located at a major source of HAP. 003,004, none 006 Section 13—Aerometric Information Retrieval System Coding Information Point Process Process Description Emission Factor Pollutant/ Fugitive Emission Control CAS# (Y/N) Factor Source (%) 3.13 lb/1000 gal V0C No Site-specific 95 01 E&P Crude Oil throughput 001 Storage Tanks 0.02 lb/1000 gal Benzene No Site-specific 95 throughput SCC 40400312— Fixed Roof Tank, Crude Oil, working+ breathing + flashing losses Process Process Description Emission Factor Pollutant/ Fugitive Emission Control Point CAS# (Y/N) Factor Source (%) 33,714 lb/MMscf V0C No Mass Balance NA 01 Emergency Tank 74.9 lb/MMscf Benzene No Mass Balance NA 002 458.9 lb/MMscf n-Hexane No Mass Balance NA SCC 31000299- Natural Gas Production: other, not classified Process Process Description Emission Factor Pollutant/ Fugitive Emission Control Point CAS# (Y/N) Factor Source (%) 33,651.8 lb/MMscf V0C No Mass Balance 95 105.9 lb/MMscf N0x No AP-42 NA 574.1 lb/MMscf CO No AP-42 NA 0.57 lb/MMscf S0x No AP-42 NA 01 Tornado Flare 003 75 lb/MMscf Benzene No Mass Balance 95 56.7 lb/MMscf Toluene No Mass Balance 95 23.5 lb/MMscf Xylenes No Mass Balance 95 460 lb/MMscf n-Hexane No Mass Balance 95 SCC 31000205— Flares (at gas production facility) Point Process Process Description Emission Factor Pollutant/ Fugitive Emission Control CAS# (Y/N) Factor Source (%) 2.47 lb/1000ga1 V0C No AP-42 NA Crude Oil and Produced 01 Water Tank Truck 0.016 lb/1000 gal Benzene No AP-42 NA 004 Loadout 0.098 lb/1000 gal n-Hexane No AP-42 NA SCC 4060132: Crude Oil: Submerged Loading (Normal Service) Page 8 Pollutant/ Fugitive Emission Control Point Process Process Description Emission Factor CAS# (YIN) Factor Source (%) 6.2381 lb/1000 gal VOC No CDPHE PS 95 throughput Memo 09-02 E&P Produced 0.1667 lb/1000 gal CDPHE PS 95 01 Water Storage throughput Benzene No Memo 09-02 005 Tanks 0.5238 lb/1000 gal CDPHE PS 95 throughput n-Hexane No Memo 09-02 SCC 40400315—Fixed Roof Tank, Produced Water,working+breathing+flashing losses Pollutant/ Fugitive Control Point Process Process Description CAS# (Y/N) Emission Factor Source (%) 01 Fugitive VOC Leak VOC Yes EPA-453/R-95-017,Table 2-4 NA 006 Emission SCC 31000220: All Equip. Leak Fugitives (Valves, flanges, connections, seals, drains) Section 14— Miscellaneous Application Notes AIRS Point 001 Crude Oil Tanks These tanks contain oil with an API gravity less than 40 degrees. EOG used E&P Tank to estimate the flash emissions off this tank battery. From E&P Tank- uncontrolled ton/year= 9.592 TPY VOC VOC=(9.592 TPY)*(2000lb/ton)/(146,000bbl/yr)= 0.1314 lb/bbl VOC or 3.12851b11000 gallons AIRS Point 002 Emergency Tank Gas going to the flare would be routed to this tank in case of a flare outage. The gas is vented to atmosphere from this tank. The APEN was submitted with worse-case scenario calculations. This consists of 3 upset conditions in a 12 month period. Each instance of upset conditions was estimated to be 12 hours in length. Max gas vented to atmosphere= 9,708.3 scf/hr Molecular wt. of gas= 27.6 lb/lb-mole VOC fraction= 0.4618 379.4 scf/lb-mole VOC= 9,708.3 scf/hr*( 27.6 lb/lb-mole)/(379.4 scf/Ib-mole)*0.4618= 326.3 lb/hr VOC Using the 3 upset conditions at 12 hrs per condition: 326.3/hr*(12 hr/event)* (3 events/yr) /(2,000lb/ton)= 5.9 tpy VOC VOC E.F.: 5.9 ton/yr*( 2,000lb/ton)/(0.35 MMscf/yr)= 33,714.3 Ib/MMscf Page 9 AIRS Point 003 Tornado Flare The tornado flare is controlling gas coming off the well since there is no pipeline available in the area at this time. EOG will continue to flare gas until a pipeline is available. Emissions were calculated using VOC wt fraction. (scf/hr) * (Ib/Ib-mol) * (% fraction from sales gas analysis)/(379.4 scf/Ib-mol) = lb/hr* (hr/yr)/2000 lb/T) = TPY Emission factors for NOx, CO, and PM10 came from AP-42, table 13.5-1 Emission factor for SOx also came from AP-42 and is based on 100% conversion of sulfur to SO2 at 2000 grains/MMscf VOC E.F. = (1,430.2 TPY* 2000 lb/T)/(85.0 mmscf/yr) = 33,651.8 lb/MMscf HAP's Emission Factors: • Benzene = (6,379.1 Ib/yr)/ 85 MMscf/yr= 75 lb/MMscf Toluene = (4,816.7 Ib/yr)/85MMscf/yr= 56.7 lb/MMscf Ethylbenzene= (809.8 Ib/yr)/85MMscf/yr= 9.51b/MMscf Xylenes= (2,000.7 Ib/yr)/85MMscf/yr= 23.5 lb/MMscf n-hexane = (39,106.3b/yr)/85MMscf/yr= 460 lb/MMscf AIRS Point 004 Truck Loadout of Crude Oil and Produced Water Converting the Ib/1000gallon factor to lb/bbl AP-42: Chapter 5.2 Equation 1 L = 12.46*S*P*M/T L = loading losses in lb per 1000 gallons loaded S = Saturation Factor P = true vapor pressure of liquid loaded [psia] M = molecular weight of vapors [lb/lb-mole] T= temperature of bulk liquid loaded [deg. R] S 0.6 Submerged loading: dedicated normal service P 5.18 psia M 33.43 lb/lb-mole for gasoline with RVP = 11.5 T 523 deg. R (64 deg. F) L 2.471b/10^3 gal Annual requested Throughput 12723900ga1/yr Annual requested VOC emissions 31400Ib/yr 15.7tpy Page 10 AIRS Point 005 Produced Water Storage Tanks Operator originally requested this point to be a General Permit, however, having the general permit emission limit of 39TPY for VOC would have made them a major source so operator requested that the point be added to the facility-wide construction permit so actual, controlled emissions would be accounted for instead of the general permit limit. State-Developed Emission factors in lb/1000 gal are: Produced Water Tank Default County Emission Factors (lb/1000 gal) VOC Benzene n-Hexane Adams, Arapahoe, Boulder, Broomfield, Denver, 6.2381 0.1667 0.5238 Douglas, Jefferson, Larimer and Weld The APEN states that the tanks contain less than 1% by volume crude oil on an annual average basis which qualifies the source for the categorical exemption (Regulation 3, Part B, Section II.D.1.m). However, this source will be permitted because if it was not controlled, the overall permitted VOC emissions would be greater than 100 TPY and become a major facility. The operator has requested synthetic minor status and accepted Federally enforceable controls, so this point will be included to ensure synthetic minor eligibility. AIRS Point 006 Fugitive VOC emissions A permit will be issued because the uncontrolled VOC emissions are greater than 2 TPY (APEN threshold) and the total facility is greater than 5 TPY (permit threshold). When reviewing calculations for a similar facility in non-attainment, another engineer working on these sites noticed the fugitive emissions were calculated incorrectly. These errors triggered fugitives in attainment facilities to be permit-required (increase from 1.5 TPY to 2.4 TPY). EOG submitted APENS for the fugitive emissions on 2/14/12. Points 001-006: No monthly limits will be put in the permit even though this is a synthetic minor source. After discussing this source with Chris Laplante 3-8-2011 it was decided that since production at an E&P site is not steady enough to impose those kinds of limits. Compliance on a monthly limit may not be possible, while a yearly limit could be. Page 11 Air Pollutant Emission Notice (APEN)—and—Application for Construction Permit/ -_ OIL AND GAS EXPLORATION AND PRODUCTION CONDENSATE STORAGE TANK BAI1 FF +"' , Current Status(Check all that apply) Reason for APEN Submittal(Check all that apply) no. AIRS ID#': 174/851o/ao1 ❑ APEN update only° ❑ New or previously unreported battery ❑ Modification to existing sources tup arl ❑ Previously grandfathered battery2 ❑ Registration for coverage under general permit no.U OISS P ❑ Synthetic minor facility &cancellation request for individual permit': ❑ Located in the 8-hr Ozone Control Area ® Application for or Modification of an individual permit ❑ Registered under general permit no.GPO I ❑ Administrative permit amendment' fcg Permitted under individual permit: I WE I U,2 ❑ Other: For individual permit applications,check if you wants: ❑A copy of the preliminary analysis conducted by the Division ❑To review a draft of the permit prior to issuance Company Name: EOG Resources,Inc. OGCC Operator#: 27742 Mailing Address10: 600 17th Street,Suite 1000N david_long@eogresour City: Denver State: CO Zip: 80202 E-mail: ces.com • Contact Name: David Long Phone: 303-262-9448 Fax: 303-262-9449 Tank Battery Name: Critter Creek 6-12H Number of tanks: 4 Location12(QQ Sec.Twp.Range.): NWNWSec12,T11N,R63W County: Weld Total tank capacity[bbl]: 1,600(400 ea) Calendar year for which"Actual"data applies13: 2010 Year(s)tank(s)were placed in service": 2010 Control Description15: Cimarron Smokeless Combustor(vapor combustion unit[VCU]) Control Efficiency 6: 95% eondeasate-Throughput14[bbl/year] Requested18: 146,000 Maximum for PTE calculation 9: 175,200 C503,Cie. C.:\ Actual20: 146,000 While Controls Operationa121 146,000 Other equipment at facility22: VCU,flare,heater treater(I),line heater(I),produced Ii20 tank(I),emergency blow down tank Comments: Due to the low gravity of the oil,the tanks do not qualify for GPOI coverage. Therefore,an individual permit is being requested. Estimated emissions at throughputs listed above. Use NM for requested throughput/emission values unless requesting an individual permit ❑Check if the Division is to calculate emissions. ®Check if site-specific emission factors provided to calculate emissions23. Emission Factor Battery Requested Emissions16 Actual Emissions2° Pollutant34 [Ib/bbl] PTE�5 Uncontrolled26 Controlled27 Uncontrolled26 Controlled2' VOC[tons/year] 0.1314 11.5 N/A N/A 9.6 0.48 NOx[tons/year] N/A 0.03 0.03 0.03 CO[tons/year] N/A 0.17 0.17 0.17 Co y 6 Benzene [lbs/year] , , 10 L1 1."a• 10 4.44..„ 0 ) n-Hexane[lbs/year] Wells serviced by this tank or tank battery" API#: 05-123-31493 Name: Critter Creek 6-12H ®Newly Reported Well API#:. Name: ❑Newly Reported Well API#: Name: ❑Newly Reported Well F-` API#:- Name: ❑Newly Reported Well N 1^' API#: Name ❑Newly Reported Well ` API#: Name: ❑Newly Reported Wells co > o API#: Name: ❑Newly Reported Well_. o The signature below indicates that I have knowledge of the facts herein set forth and that the same are true,accurate,and complete to the best of '-i' my knowledge and belief. If this i registration for coverage under general permit GPOI,I further certify that this source is and will be operated Ptin full corn 0 t . n of general permit GPOI. g, m z //71-/av nE:ro Signature ed Perso not a vendor or consultant) Date t*. o at vid Lo o Division Environmenta arjager t 0 tint-Name f;P�rson Signing Above Official Title "a o tityA .N CD N l^ Submit this form,along with$152.90 for each Colorado Department of Public Health and Environment For information call: o filing of up to 5 tank battery APENS. 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C. c E s W F s } m S z d c W V W 0 4 > O " adi ❑ Q' W ¢ c z con a® z Cl) y K / PRyT 4 STATE OF COLORADO zo COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT �\ AIR POLLUTION CONTROL DIVISION \ ,/ TELEPHONE: (303)692-3150 * *' •1896 CONSTRUCTION PERMIT PERMIT NO: 11WE1162 Issuance 1 DATE ISSUED: ISSUED TO: EOG Resources, Inc THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas production facility, known as Critter Creek 6-12H, located at NWNW Section 12, Township 11N, Range 63W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Four (4) 400 BBL fixed roof storage tanks used to store crude oil. Crude Oil 001 Emissions from these tanks are controlled by a Cimarron Tanks smokeless vapor combustion unit with 95% efficiency. One (1) 400 BBL well blowdown tank, Manufacturer: Frontier, ET#3836 002 Model: EOG #3836, SN: 5581 used when the produced gas cannot be combusted in the flare. One (1) Tornado flare (Manufacturer: Tornado, Model No: 40' Flare Flare 003 Stack, Serial No: 09CSADA3X503123) used to combust produced gas vented from a three-phase separator. Truck 004 Truck loading of crude oil and produced water. Loadout One (1) 400 BBL fixed roof storage tank used to store produced PW Tank 005 water. Emissions from this tank are controlled by a smokeless #1 Cimarron Energy Combustor with 95% efficiency. Equipment leaks (fugitive VOCs) from a natural gas production Fugitive 006 facility. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S.(25-7-101 et seq),TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: AIRS ID: 123/8910/999 Page 1 of 14 Condensate Tank Version 2009-1 EOG Resources, Inc Y; i:! olor Depa en` f •li 'Health and Environment Permit No. 11WE1162 .` it Pollution Control Division Issuance 1 REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. Within one hundred and eighty days (180) after issuance of this permit, compliance with the conditions contained on this permit shall be demonstrated to the Division. It is the permittee's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, II.G.2). 2. This permit shall expire if the owner or operator of the source for which this permit was issued: (i)does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii)discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per • Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 3. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 4. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 5. The applicant shall track emissions from all insignificant activities at the facility on a yearly basis to demonstrate compliance with either the insignificant activities emission limitations or the facility emission limitations as seen below. This information shall be made available to the Division for inspection upon request. For the purposes of this condition, insignificant activities shall be defined as any activity or equipment,which emits any amount but does not require an Air Pollutant Emission Notice (APEN). Emissions from all insignificant activities from the facility shall be less than: • 5.42 tons per year of volatile organic compounds (VOC), -OR- Total emissions from the facility, including permitted emissions and insignificant activities, shall be less than: • 100 tons per year of volatile organic compounds (VOC), AIRS ID: 123/8910/999 Page 2 of 14 EOG Resources Inc 1 olor i , Depa nen' .f .Ii `Health and Environment Permit No. 11WE1162 4ir Pollution Control Division Issuance 1 4‘I 1111: • 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 Crude Oil 001 - 0.48 - Point Tanks ET#3836 002 - 5.9 - Point Flare 003 4.5 71.5 24.4 Point Truck Loadout 004 - 15.7 - Point • PW Tank#1 005 - 1.0 - Point Fugitive 006 - 2.4 - Fugitive 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 synthetic minor status of this facility 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 (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 monthly emissions 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 emission units, requiring an APEN, at this facility. 7. Emissions Point 001: Emissions from this point shall be routed to an enclosed vapor combustion unit(VCU)that reduces uncontrolled emissions of VOC from the crude oil tanks to the emission levels listed in Condition 6. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3, Part B, Section III.E.) 8. Emissions Point 003: This emissions point is a separator controlled by a 40' flare stack. The flare shall reduce emissions of VOC to the emission levels listed in Condition 6. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3, Part B, Section III.E.) 9. Emissions Point 005: Emissions from this point shall be routed to an enclosed flare that reduces emissions of VOC to the emission levels listed in Condition 6. Operating parameters of the control equipment are identified in the operation and maintenance plan. (Reference: Regulation No.3, Part B, Section III.E.) 10. Point 006: The operator shall calculate actual emissions from this emissions point based on representative component counts for the facility with the most recent gas and liquids analyses, as required in the Compliance Testing and Sampling section of this permit. The operator shall maintain records of the results of component counts and sampling events AIRS ID: 123/8910/999 Page 3 of 14 EOG Resources, Inc. olor Depa en f P li Health and Environment Permit No. 11WE1162 it Pollution Control Division Issuance 1 used to calculate actual emissions and the dates that these counts and events were completed. These records shall be provided to the Division upon request. PROCESS LIMITATIONS AND RECORDS 11. 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 applicant and ' made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Crude Oil 001 Crude oil throughput 146,000 BBL/yr Tanks ET#3836 002 Natural gas vented to atmosphere via emergency tank 0.35 MMscf/yr Flare 003 Natural gas flaring 85.0 MMscf/yr Truck 004 Crude oil and produced water loading 302,950 BBL/yr Loadout PW Tank 005 Produced water throughput 156,950 BBUyr #1 Compliance with the yearly 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 each actual monthly process rate and keep a compliance record on site or at a local field office with site responsibility, for Division review. 12. Point 005: Records shall be kept in either an electronic file or hard copy provided that they can be promptly supplied to the Division upon request. All records shall be retained for a consecutive period of three years. STATE AND FEDERAL REGULATORY REQUIREMENTS 13. 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) 14. 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.) 15. 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.). 16. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) AIRS ID: 123/8910/999 Page 4 of 14 • EOG Resources Inc olor ;5' Depa = en -f .li °Health and Environment Permit No. 11WE1162 it Pollution Control Division Issuance 1 • 17. Emissions point 004: the loading of crude oil and produced water into truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) OPERATING & MAINTENANCE REQUIREMENTS 18. Emissions points 001 and 003: 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.) 19. Emission point 005: a. VCU's shall be enclosed, have no visible emissions, and be designed so that an observer can, by means of visual observation from the outside of the enclosed VCU, or by other convenient means approved by the Division, determine whether the VCU is operating properly. b. If a control device is used to comply with the emission limits of this permit, the following conditions must be met: (i) Leakage of VOCs to the atmosphere must be minimized as follows: 1. Thief hatch seals shall be inspected for integrity annually and replaced as necessary. Thief hatch covers shall be weighted and properly seated. 2. Pressure relief valves (PRV) shall be inspected for proper operation annually and replaced as necessary. PRVs shall be set to release at a pressure that will ensure flashing and working and breathing losses are routed to the control device under normal operating conditions. 3. Annual inspections of thief hatches and PRV shall be documented with an indication of status, a description of any problems found, and their resolution. (ii) Control devices shall be adequately designed, and operated and maintained according to manufacturer specifications to achieve a control efficiency of at least 95%, and to handle reasonably foreseeable fluctuations in emissions of VOCs. Fluctuations in emissions that occur when the separator dumps into the tank are reasonably foreseeable. (iii) The permittee shall monitor and document the proper operation of the control device. Time intervals between monitoring shall not exceed 14 days. Indications of improper operation for a VCU include, but are not limited to, absence of pilot light, malfunction of electronic ignition, and/or presence of smoke. A check box is suitable for recording proper operation. Improper operation of a control device shall be further documented with a description of the problem and its resolution, the date range the control was inoperable, and the produced water production through the battery during the downtime. During control device downtime, emissions shall be considered to be uncontrolled. AIRS ID: 123/8910/999 Page 5 of 14 EOG Resources Inc olor- Depa en ..f •Ii 'Health and Environment Permit No. 11WE1162 A? it Pollution Control Division Issuance 1 COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 20. Emissions point 001: The operator shall complete site specific sampling including a compositional analysis of the pre-flash pressurized crude oil routed to these storage tanks and a sales oil analysis to determine RVP and API gravity. Testing shall be in accordance with the guidance contained in PS Memo 05-01. Results of testing shall be used to determine a site-specific emissions factor 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. 21. Emissions points 002 and 003: The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site that is either routed to the open flame flare or vented through the emergency blowdown tank 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. For example, the benzene emission factor shall be calculated according to the following equation using the benzene weight fraction and the natural gas's average molecular weight determined in the site-specific gas analysis: r,bb�Yexf — Jen_eneWE".f)-al '°'"° . '!IV :b 16scf MMscf 3 ;G.,' 4,"4b,n.3 sc "s [: o < 1:dMscf. 22. Point 003: The owner or operator shall demonstrate compliance with Condition 14 using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). 23. Point 006: Within one hundred and eighty days(180) after issuance of permit,the permittee shall complete the initial extended gas analysis of gas samples and extended natural gas liquids analysis of liquids that are representative of volatile organic compound (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas and liquids analyses shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. The operator shall submit the results of the gas and liquids analyses and emission calculations to the Division as part of the self- certification process to ensure compliance with emissions limits. 24. Point 006: Within one hundred and eighty days (180) after issuance of 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. ADDITIONAL REQUIREMENTS 25. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) AIRS ID: 123/8910/999 Page 6 of 14 EOG Resources Inc. olor Depa • en' f "•li `Health and Environment Permit No. 11WE1162 � ' �- it Pollution Control Division Issuance 1 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 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. 26. Operating Permit (OP) requirements shall apply to this source at any such time that the facility wide potential to emit equals or exceeds the major source level. Once the facility wide potential to emit equals or exceeds the major source level a Title V operating permit application shall be submitted in accordance with the requirements in Regulation No. 3, Part C. 27. Prevention of Significant Deterioration (PSD) requirements 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 PSD threshold will require a full PSD review of the source as though construction had not yet commenced on the source. The source shall not exceed.the PSD threshold until a PSD permit is granted. (Regulation No. 3 Part D, VI.B.4) GENERAL TERMS AND CONDITIONS 28. 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. 29. 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: 123/8910/999 Page 7 of 14 EOG Resources, Inc. olor Depa en f li Health and Environment Permit No. 11WE1162 qir Pollution Control Division Issuance 1 to operate are located in the Requirements to Self-Certify for Final Authorization section of this permit. 30. 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. 31. 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. 32. 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. 33. 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. 34. 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: lfifklG( • •-• it Koji • Laura Strohkirch Permit Engineer Air Pollution Control Division AIRS ID: 123/8910/999 Page 8 of 14 EOG Resources Inc '' olor Depai-: en •f I•li `Health and Environment Permit No. 11WE1162 A it Pollution Control Division Issuance 1 Permit History Issuance Date Description Issuance 1 This Issuance Facility-wide permit for a new E&P facility issued to EOG Resources, Inc. This permit encompasses points 001-006. This facility is synthetic minor for Title V and PSD. AIRS ID: 123/8910/999 Page 9 of 14 EOG Resources Inc olor- Depa ' en' 'f :.Ii 'Health and Environment Permit No. 11WE1162 ';. H.. it Pollution Control Division Issuance 1 Notes to Permit Holder: 1) 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. 2) 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/a i rregs/100102agcccom mon p rovisionsreq.pdf. 3) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Point Pollutant CAS # BIN (Ib/yr) reportable? Rate (lb/yr) Benzene 71432 A 122.64 Yes 6.13 Toluene 108883 C 113.88 No 5.69 001 Xylenes 1330207 C 43.8 No 2.19 n-Hexane 110543 C 832.2 No 41.61 2,2,4 540841 C 70.08 No 3.5 Trimethylpentane Benzene 71432 A 26.2 No n/a Toluene 108883 C 19.8 No n/a Ethylbenzene 100414 C 3.3 No n/a 002 Xylenes 1330207 C 8.2 No n/a n-Hexane 110543 C 160.6 No n/a 2,2,4 540841 C 0.3 No n/a Trimethylpentane Benzene 71432 A 6,379.1 Yes 319 Toluene 108883 C 4,816.7 Yes 240.8 003 Ethylbenzene 100414 C 809.8 No 40.5 Xylenes 1330207 C 2,000.7 Yes 100.0 n-Hexane 110543 C 39,106.3 Yes 1,955.3 Benzene 71432 A 210.8 Yes n/a 004 Toluene 108883 C 690.1 No n/a Ethylbenzene 100414 C 50.84 No n/a AIRS ID: 123/8910/999 Page 10 of 14 ti u fr EOG Resources Inc 4'; "olor $ Depa en' -f P bli Health and Environment Permit No. 11WE1162 : r Air Pollution Control Division Issuance 1 '; a, , !- ' _ Xylenes 1330207 C 918.1 Yes n/a n-Hexane 110543 C '1,258 No n/a Benzene 71432 A 1,098.7 Yes 54.9 005 n-Hexane 110543 C 3,452.9 Yes 172.6 Benzene 71432 A 7.5 No 7.5 Toluene 108883 C 12.2 No 12.2 006 Ethylbenzene 100414 C 1.7 No 1.7 Xylenes 1130207 C 4.5 No 4.5 n-Hexane 110543 C 252 No 252 4) The emission levels contained in this permit are based on the following emission factors: Point 001: CAS# Pollutant Emission Factors Emission Factors Source • Uncontrolled Controlled VOC 0.1314 lb/bbl 0.0066 lb/bbl E&P Tank 71432 Benzene 8.4 x 10-4 lb/bbl 4.2 x 10-' lb/bbl E&P Tank 110543 n-Hexane 0.0057 lb/bbl 2.9 x 10' lb/bbl E&P Tank Note: The controlled emissions factors for this point are based on the flare control efficiency of 95%. These emission factors were developed using sampling from Critter Creek 2-03H well site and E&P Tank. Point 002: Emission Factors Emission Factors CAS # Pollutant Uncontrolled Controlled Source VOC 33,714 Ib/MMscf -- Eng. Calculation natural gas vented 71432 Benzene 74.9 Ib/MMscf -- Eng. Calculation natural gas vented 110543 n-Hexane 458.91b/MMscf -- Eng. Calculation natural gas vented The emission levels in this permit for this point are based on the use of this tank to blowdown produced natural gas when the flare used to combust the natural gas is down at three(3) events per year and twelve(12) hours of venting through this tank per event at a maximum gas flow rate of 9,708.3 scf/hr. The VOC content of the produced gas used in the application was based on a gas sample from the Critter Creek 2-03H well. AIRS ID: 123/8910/999 Page 11 of 14 .Y'rx v q 1 - R• EOG Resources Inc olori Depa en' .1 P ''Ii Health and Environment Permit No. 11 WE1162 it Pollution Control Division Issuance 1 . ,. Point 003: Natural Gas Emission Emission Composition Factors Factors CAS# Pollutant (Weight%) Uncontrolled Controlled Source lb/MMscf Ib/MMscf natural gas natural gas vented vented NOx AP-42, Table 105.33 105.33 13.5-1, 1549 Btu/scf CO AP-42, Table 573.13 573.13 13.5-1, 1549 Btu/scf VOC 46.18 33,651.8 1,682.6 Eng. Calculation 71432 Benzene 0.1029 75.0 3.75 Eng. Calculation 108883 Toluene 0.0777 56.7 2.8 Eng. Calculation 100414 Ethylbenzene 0.0131 9.5 0.48 Eng. Calculation 1330207 Xylenes 0.0323 23.5 1.18 Eng. Calculation 110543 n-Hexane 0.6300 460 23 Eng. Calculation 540841 2,2,4-TMP 0.0001 0.90 0.045 Eng. Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the August 10, 2010 analysis of a gas sample collected from the Critter Creek 2-03-H well. The controlled VOC and HAP emissions factors for point 003 are based on the flare control efficiency of 95%. Point 004: Note: The emission factor below may be used for both crude oil and produced water loading. Emission Factors Emission Factors CAS # Pollutant Uncontrolled Controlled Source VOC 0.104 lb/bbl -- AP-42 71432 Benzene 0.0007 lb/bbl -- AP-42 108883 Toluene 0.0023lb/bbl -- AP-42 1330207 Xylenes 0.0030 lb/bbl -- AP-42 110543 n-Hexane 0.0041 lb/bbl -- AP-42 The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1 (version 1/95) using the following values: S = 0.6 (Submerged loading: dedicated normal service) P (true vapor pressure) = 5.18 psia M (vapor molecular weight) = 33.43 Ib/Ib-mol T (temperature of liquid loaded) = 524 °R AIRS ID: 123/8910/999 Page 12 of 14 • • EOG Resources, Inc • i �"olor Depa en` :f I•li 'Health and Environment Permit No. 11WE1162 ' �, a Pollution Control Division Issuance 1 The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP determined in the pressurized oil analysis by the VOC emission factor. Points 005: CAS# Pollutant Emission Factors Emission Factors Source Uncontrolled Controlled VOC 0.262 lb/bbl 0.0131 lb/bbl PS Memo 09-02 71432 Benzene 0.007 lb/bbl 0.0004 lb/bbl PS Memo 09-02 110543 n-Hexane 0.022 lb/bbl 0.0011 lb/bbl PS Memo 09-02 Note: The controlled emissions factors for this point are based on the flare control efficiency of 95%. Point 006: Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 576 --- 520 51 Flanges 8 --- 24 4 Open-Ended Lines 9 --- 7 5 Pump Seals --- --- 2 -- Valves 56 --- 72 24 Other 35 --- 15 6 VOC Content(wt%) 3.5% 100% 29.2% 100% Benzene Content(wt%) 0.023% --- 0.027% --- Toluene Content(wt%) 0.039% --- 0.075% --- Ethylbenzene (wt%) 0.002% --- 0.017% --- Xylenes Content(wt%) 0.01% --- 0.036% --- n-hexane Content (wt%) 0.336% --- 2.43% --- *Other equipment type includes compressors, pressure relief valves, relief valves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors (kg/hr-component): Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04 Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06 Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04 Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05 Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05 Other 8.8E-03 3.2E-05 7.5E-03 1.4E-02 Source: EPA-453/R95-017 Compliance with emissions limits in this permit will be demonstrated by using the TOC emission factors listed in the table above with representative component counts, multiplied by the VOC content from the most recent gas and liquids analyses. AIRS ID: 123/8910/999 Page 13 of 14 EOG Resources Inc Ill olor.„ Depa en• .1 !iii Health and Environment Permit No. 11WE1162 it Pollution Control Division Issuance 1 5) In accordance with C.R.S. 25-7-114.1, the Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years. The five-year term for this APEN expires on November 30,2015. A revised APEN shall be submitted no later than 30 days before the five-year term expires. 6) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of VOC Synthetic Minor Source of HAP PSD Synthetic Minor Source of VOC MACT HH Major Source Requirements: Not Applicable Area Source Requirements: Not Applicable 7) 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 8) 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/oilgaspermitting.html AIRS ID: 123/8910/999 Page 14 of 14 Hello