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Uinta Basin Air Quality Study Kathleen Sgamma

Uinta Basin Air Quality Study Kathleen Sgamma. Topics Covered. Background Purpose Timelines Project Details WRAP Phase III Oil & Gas Emissions Inventory Summary. Background. The Uinta Basin is one of several basins in the Intermountain West experiencing increased oil and gas activity

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Uinta Basin Air Quality Study Kathleen Sgamma

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  1. Uinta Basin Air Quality StudyKathleen Sgamma

  2. Topics Covered Background Purpose Timelines Project Details WRAP Phase III Oil & Gas Emissions Inventory Summary

  3. Background • The Uinta Basin is one of several basins in the Intermountain West experiencing increased oil and gas activity • Concerns arising about the potential cumulative air quality impacts • Industry initiated a proactive study to inventory and model emissions in the Basin.

  4. Uinta Basin Air Quality Study • Purpose • To create a comprehensive technical study of air quality in the Uinta Basin, including the cumulative impacts of oil and gas development • Provide a management tool to the DAQ and BLM • UBAQS will follow procedures similar to a NEPA-related far-field analysis • Modeling protocol • Air quality, visibility and deposition assessment at Class I and II areas.

  5. UBAQS Schedule • Task 1: Kick-Off Meeting (December 7, 2007) • Task 2: Modeling Protocol • First draft January 21, 2008 • Second draft and Response-to-Comments March 17, 2008 • Task 3: Interested Government Agencies Meetings January 24 and March 26, 2008 • Task 4: Emissions Modeling • Fast Track Uinta Base Phase III O&G - Complete • Task 5: Meteorological Data (2002, 2005 and 2006) • Task 6: Air Quality Modeling (CMAQ) • Task 7: Final Report and Meeting (September 2008)

  6. UBAQS Key Components • Comprehensive modeling of all sources • Oil and gas • On- and off-road vehicles • Biogenic • Boundary conditions • Meteorological data • Integration of WRAP Phase III data • Complements future monitoring • Input from key stakeholders • BLM - State of Utah • EPA - Tribe • Forest Service - Industry

  7. UBAQS Key Components • CMAQ Photochemical Modeling • Model Runs • 2002, 2005, and 2006 to establish the baseline • Reasonable Foreseeable Development • Project oil and gas for 2012 • Model other emissions sources • Using emissions from Continental Divide EIS for SW Wyoming boundary conditions.

  8. WRAP Phase III Inventory • Collaboration of IPAMS and the Western Regional Air Partnership • Comprehensive inventory of sources from oil and gas exploration and production activities • Builds on Phases I and II • Identifies and characterizes differences between regional basins • Refines future growth projections • Provides a mechanism for future updates

  9. Modeling Details • Emissions will be developed for six scenarios: • Run 1: Current Year actual emissions for 2002, 2005 and 2006 used in CMAQ model evaluation • Run 2: 2006 Present Conditions used as baseline • Run 3: 2006 Baseline (Run 2) plus all NEPA projects in progress for which emission inventories have been developed • Run 3a: Run 3 with all new (post 2006) Uinta Basin O&G development emissions eliminated • Run 4: 2012 projected emissions extrapolate NEPA actions, oil and gas development, tar sands development, etc. • Run 4a: Run 4 with all new (post 2006) Uinta Basin O&G development emissions eliminated

  10. Emission Inventory Sources in Phase III Study • Complete source inventories for all exploration & production activities for the base year (2006) and two future years. • Five criteria pollutants – NOx, SOx, PM, VOC, and CO • Annual reporting mechanism

  11. Denver-Julesburg Uinta San Juan Piceance Green River Powder River Paradox Williston Wind River Big Horn Great Plains Basins in Phase III Study

  12. County Definition of Basins • Whole county definition of basins – Uintah, Duchesne, Emery, Grand, Carbon • Inventory data at the basin-, tribal- and county-level

  13. Summary • Provide accurate, credible scientific data • Proactively address regional air quality issues • Update the data annually • Provide a basis for long-term planning

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