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2005 Air Emissions Inventory

2005 Air Emissions Inventory. Criteria and Hazardous Air Pollutants Inventory Southern Ute Indian Reservation, Colorado Presented by : Brenda Sakizzie, SUIT Senior Air Quality Specialist. Southern Ute Indian Reservation, Colorado. SUIT Air Quality. Purpose.

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2005 Air Emissions Inventory

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  1. 2005 Air Emissions Inventory Criteria and Hazardous Air Pollutants Inventory Southern Ute Indian Reservation, Colorado Presented by : Brenda Sakizzie, SUIT Senior Air Quality Specialist

  2. Southern Ute Indian Reservation, Colorado

  3. SUIT Air Quality

  4. Purpose • Obtain and update baseline emissions data from various sources within the Reservations exterior boundaries. • Last SUIT EI conducted was 2002. • The data will be used track total emissions of numerous criteria pollutants including: • Nitric Oxides (NOx), • Carbon Monoxide (CO), • Particulate Matter (PM 10/2.5), • Sulfur Oxides (SOx), • Volatile Organic Compounds (VOC’s), and • Hazardous Air Pollutants (HAPs).

  5. Source Categories • Point Sources: • Title V Stationary Sources. • Area Sources: • Oil & Gas Wells, Well-head Minor Source Compressors, Fireplace & Wood Burning Stoves, Propane Use, Airports, Gas Stations, Landfill Gas, Gravel Pits, & Agricultural. • Mobile Sources: • On-Road Mobile Sources (paved), On-Road Mobile Sources (unpaved), and Non-Road Mobile Sources. • Biogenic Sources

  6. Data collection • The data collection responsibilities were divided between the Southern Ute Indian Tribe (SUIT) Air Quality Program staff and ITEP 2006 summer intern. • The Tribe collected data for: • all major point sources • landfills, gravel pits, gas stations, airports, mobile sources, • biogenic emissions, and other area sources. • Utilized Tribal Emissions Inventory Software Solution (TEISS) for emissions calculations. • Utilized BEIS Software • Utilized LandGEM software

  7. Point Sources (Title V Sources) Definition • Stationary sources with potential emissions of > 100 tons per year of any criteria pollutant. • Stationary source with potential to emit > 10 tons per year of any HAP or 25 tons per year of more then one HAP (as defined by EPA)

  8. Point Source Emissions Point sources emissions on the SUIT Reservation consisting of compressor stations and gas treatment facilities for natural gas production and distribution. All emissions for the Title V Sources on the Reservation were taken directly from the Title V permits, Title V Permit Statement of Basis, & Title V Permit Applications. 2005 Point Source (Title V) Emissions on the SUIT Reservation (tons per year) (SOURCE: pg 12 of “SUIT 2005 EI” in Table 3.1)

  9. Area Sources Definition: • Stationary Sources with actual emissions between 2 and 100 tons per year of any criteria pollutant. • All other HAP emitting stationary sources that emit between 2 and 10 tons per year of any specific HAP. • (as defined by EPA) • Includes Oil & Gas Wells, Well-head Minor Source Compressors, Fireplace & Wood Burning Stoves, Propane use, Airports, Gas Stations, Landfill Gas, Gravel Pits and Agricultural.

  10. Well-head & Minor Compressor Source Emissions • Well-head & minor source compression is on the SUIT Reservation where additional compression is needed to extract natural gas from geologic formations. • Approximately ~200 small compressor engines are located within the exterior boundaries of the Reservation (exclude Title V sources). • Data provided by the natural gas production companies. • Emission information for each operating compressor engine.

  11. Area Source Emissions Tentative 2005 Area Source Emissions on SUIT Reservation (tons per year) *NOTE: Final emission values for minor source compressors are pending.* (SOURCE: pg 27 of “SUIT 2005 EI” in Table 7.1)

  12. Mobile Sources Definition: • Mobile sources consist of On-road (paved), On-road (unpaved) and non-road mobile sources. • On-road sources consist of mobile sources licensed for use on highways or roadways. • Non-road sources consist of other mobile sources (construction equipment, lawn/garden equipment, boats, airplanes, etc).

  13. Mobile Source Emissions 2005 Mobile Source Emissions on the SUIT Reservation (tons per year) *NOTE: On-road Mobile (unpaved) data are pending at this time.* (SOURCE: pg 22 of “SUIT 2005 EI” in Table 5.1)

  14. Biogenic Definition: • Biogenic sources include only those pollutants that result from some sort of biological activity. • Biogenic emissions represent a significant portion of the natural source emissions acting as ozone precursors; specifically, VOC, NOx, Isoprene, and Monoterpene.

  15. Biogenic Emissions Total Biogenic Emissions on the SUIT Reservation (tons per year) (SOURCE: pg 25 of “SUIT 2005 EI” in Table 6.1)

  16. Summary of Results • The 2005 SUIT Emissions Inventory found: *Tentative 2005 Total Emissions by Pollutant (tons) within the exterior boundaries of the Southern Ute Indian Tribe Reservation*.

  17. Pollutants in Comparison with the State of CO State of Colorado Data collected from WRAP. http://www.wrapair.org/forums/ssjf/documents/Pivot_Tables/Area_Source_Pivot_2002.xls *NOTE: Tentative 2005 SUIT Reservation Total Emissions.*

  18. Pollutants in Perspective State of Colorado Data colleted from WRAP. http://www.wrapair.org/forums/ssjf/documents/Pivot_Tables/Area_Source_Pivot_2002.xls *NOTE: Tentative 2005 SUIT Reservation Total Emissions.*

  19. Volatile Organic Compounds (VOC) Definition: • VOCs are constituents of household/building products, adhesives, paints, etc. • Carbon based molecules and emitted as organic gases through combustion. • VOC emissions contribute to ozone formation. Hexane Toluene chloro-trifluoro-methane Benzene

  20. Volatile Organic Compounds *NOTE: Tentative 2005 SUIT Reservation Total VOC Emissions.*

  21. Areas of Further Research: • Consider developing an agreement with private aircraft owners to maintain aircraft landings/take-offs records for future SUIT EI. • Include ammonia emissions, which EPA Region 6 is currently performing Passive Ammonia Sampling study to determine significance of ammonia emissions on Tribal lands, if any. • Emission estimates from agricultural wind erosion and tilling operations were inconclusive. In the future, the SUIT EI should includes these emission when available on TEISS.

  22. Future notes to keep in mind: • Keep records of data collected for future references. • Maintain a contact list. • Submit letter of emission information requests as early as possible • Include deadline dates and detailed spreadsheet/ questionaire of emission information to be provided.

  23. Questions?

  24. Contact Info: • Southern Ute Indian Tribe Air Quality Program P.O. Box 737 Ignacio CO 81137 Telephone: 970-563-4705 Email: bsakizzie@southern-ute.nsn.us

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