OIL AND GAS AIR QUALITY AUTHORIZATIONS IN TEXAS

OIL AND GAS AIR QUALITY AUTHORIZATIONS IN TEXAS Kristyn Bower and David Reyna Air Permits Division Texas Commission on Environmental Quality

TODAY’S TOPICS § Terminology § Permitting Options § Oil and Gas PBRs § Oil and Gas Standard Permit Options

TERMINOLOGY Pollutants of Concern §VOCs § H 2 S §CO §NOx §SO 2 §PM 10 and PM 2. 5

TERMINOLOGY Facility –stationary equipment that emits pollutants §Engines §Tanks §Flares §Separators §Dehydrators

TERMINOLOGY Site – a group of oil and gas facilities at a property §Common control §Equipment that relies on each other §Within ¼ mile

ANDY’S SITE Wellhead Gunbarrel Separator Produced water tank Oil tank

TERMINOLOGY Receptor §Residence or other structure which is not used only by the O&G owner/operator §Recreational Area

ANDY AND NATHAN’S Nathan’s PROPERTYProperty Andy’s Property Nathan’s House Andy’s House Mechanic Shop

OIL AND GAS PERMITTING OPTIONS De Minimis Permit by Rule Standard Permit State Permit NNSR and PSD Increasing Levels of Emissions

DE MINIMIS Pipeline isolation valve sites meeting certain criteria

OIL AND GAS PERMITTING OPTIONS De Minimis Permit by Rule Standard Permit State Permit NNSR and PSD Increasing Levels of Emissions

PERMITS BY RULE Must meet all conditions exactly Emission limits in TAC § 106. 4(a)(1) § 25 tpy of VOCs/SO 2 § 250 Nox, CO § 25 tpy H 2 S § PM/PM 10 and PM 2. 5 Meet all other applicable federal, state, and local requirements

PBR OPTIONS – LOCATION In Barnett Shale counties • New - 30 TAC § 106. 352(a)-(k) • Existing – 30 TAC § 106. 352(l) Not in Barnett Shale counties • New & Existing – 30 TAC § 106. 352(l) • May voluntarily register under § 106. 352 (a)-(k)

BARNETT SHALE COUNTIES

§ 106. 352(l) – SWEET § No registration required § Meet § 106. 4 limits § Various facilities included § Vent height applicable if handling a sulfur compound § Flares follow § 106. 492 § Compressors follow § 106. 512

§ 106. 352(l) – SOUR § 24 ppmv of H 2 S or greater = TCEQ sour § Registration required § ¼ mile distance required § 4. 0 lb/hr limit of sulfur compounds (not including sulfur oxides) § Vent height based on sulfur compound limit

§ 106. 352(a)–(k) § Notification and registration are required to be submitted using the e. Permits system § Notification - Prior to construction or implementation of changes § Registration §Level 1 - Within 180 days from start of operation §Level 2 - Within 90 days from start of operation

§ 106. 352(a)–(k) PBR Level 1 Emission Limits Air Contaminant Steady-state < 30 psig lb/hr periodic lb/hr up to 150 hr/hr ≥ 30 psig periodic lb/hr up to 300 hr/yr Total VOC Total tpy 15 Total crude oil or condensate VOC 100 145 318 Total natural gas VOC 204 750 1, 500 Benzene 1. 95 7 15. 4 2. 8 Hydrogen sulfide 4. 7 5. 1 9. 8 20. 6 Sulfur dioxide 47 93. 2 Nitrogen oxides 43. 2 100 Carbon monoxide 45 100 PM 2. 5/PM 10 10 5 25

§ 106. 352(a)–(k) PBR Level 2 Emission Limits Air Contaminant Steady- < 30 psig periodic state lb/hr up to 150 lb/hr hr/hr ≥ 30 psig periodic lb/hr up to 300 hr/yr Total VOC Total tpy 25 Total crude oil or condensate VOC 100 145 318 Total natural gas VOC 356 750 1, 500 Benzene 3. 35 7 15. 4 4. 8 Hydrogen sulfide 6 6 9. 8 25 Sulfur dioxide 63 93. 2 Nitrogen oxides 54. 4 250 Carbon monoxide 57 250 PM 2. 5 12. 7 10 PM 10 12. 7 15 25

§ 106. 352(a)–(k) IMPACTS �Emission impacts tables �Screening �Dispersion modeling Air contaminant Benzene Hydrogen sulfide Sulfur dioxide Nitrogen oxides lb/hr 0. 039 0. 025 2 4

OTHER PBRS RELATED TO OIL AND GAS � Salt Water Disposal (petroleum) § 106. 351 � Temporary Oil and Gas Facilities (§ 106. 353) � Air PBR : Pipeline Metering, Purging, and Maintenance (§ 106. 355) � Stationary � Flares Engines and Turbines (§ 106. 512) (§ 106. 492)

PERMIT BY RULE GUIDANCE HELPFUL LINKS § Federal Standards Applicability Table § Emissions Calculations Spreadsheet § Representative Gas and Liquid Analysis § Control Device Charts www. Texas. Oiland. Gas. Help. org

OIL AND GAS PERMITTING OPTIONS De Minimis Permit by Rule Standard Permit State Permit NNSR and PSD Increasing Levels of Emissions

STANDARD PERMIT OPTIONS Standard permit under § 116. 620 §“Old Standard Permit” Non-rule standard permit §Applies to new projects and dependent facilities in the Barnett Shale counties §Sites in other counties can use it voluntarily

STANDARD PERMIT UNDER § 116. 620 “OLD STANDARD PERMIT” Sour sites that can’t meet ¼ mile limit in § 106. 352(l) VOCs are >25 tpy VOCs must be speciated using E=L/K Calculation techniques, emissions summary tables, etc. – same as a PBR application

NON-RULE STANDARD PERMIT Notification & registration online – STEERS (e. Permits) system Notify - Prior to construction or implementation of changes Register § Within 90 days from the start of operation Impacts – Same as § 106. 352 (a)-(k)

NON-RULE STANDARD PERMIT EMISSION LIMITS Contaminant Steady-state or < 30 psig > 30 psig (lb/hr) (normal emissions) Periodic (lb/hr) (MSS, loading, etc) Total VOC Total (tpy) 250 Total Crude Oil or condensate VOC 145 318 Total natural gas VOC 750 1, 635 Benzene 7 15. 4 10. 2 Hydrogen sulfide 10. 8 9. 8 47 Sulfur dioxide 93. 2 250 Nitrogen oxides 121 250 Carbon monoxide 104 250 PM 10/PM 2. 5 28 15

OIL AND GAS PERMITTING OPTIONS De Minimis Permit by Rule Standard Permit State Permit NNSR and PSD Increasing Levels of Emissions

CONTACT INFORMATION Kristyn Bower: (512) 239 -1359 David Reyna: (512) 239 -6051 Air Permits Main Line : (512) 239 -1250 airog@tceq. texas. gov www. texasoilandgashelp. org