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Ozone in the Tri-Cities: History, Sources, and Community Outreach

Learn about the history of ozone levels in the Tri-Cities area, sources of ozone, and community outreach efforts. Find out how the Benton Clean Air Agency is addressing the issue.

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Ozone in the Tri-Cities: History, Sources, and Community Outreach

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  1. Ozone in the Tri Cities July 2018

  2. Smog – Ground Level Ozone

  3. Ozone in the Tri Cities - a brief history: • 2013 – AirPact (model) showed potential for high ozone in Kennewick • 2014 – Temporary Monitor on Kellogg; mobile monitoring • 2015 – Permanent Monitor installed at BCAA offices; additional mobile monitoring • 2015 – National Ambient Air Quality Standard for Ozone reduced to 70 ppb from 75 ppb • 2016 – Precursor Study • 2017 – Precursor Study Completed; Kennewick ozone values continue to be of concern • 2018 – Community outreach

  4. Areas of the country projected to have ozone issues: The Tri Cities is not on this map!

  5. Local geography is part of the situation:

  6. Area of interest: Franklin County • Dept. of Ecology • Nuclear Program • Industrial Unit • Eastern Regional Office Benton County Walla Walla County Benton Clean Air Agency

  7. Where does Ozone come from?

  8. Sources of NOx

  9. Sources of Volatile Organic Compounds

  10. Summer of 2014 – mobile monitoring

  11. August 13, 2015 (77 ppb)

  12. Permanent Monitor Installed at BCAA in 2015 7/29 7/30 7/31 8/11 8/12 8/13

  13. Timeline

  14. Affected Communities

  15. Benton Clean Air Agency 526 South Steptoe Street Kennewick, WA 99336 509-783-1304 www.bentoncleanair.org Robin Bresley Priddy, PE

  16. Non Attainment New Source Review • Would apply to new or reconstructed sources of NOx and VOC • Lowest Achievable Emissions Rate (LAER) • The term "lowest achievable emission rate" means for any source, that rate of emissions which reflects: • the most stringent emission limitation which is contained in the implementation plan of any State for such class or category of source, unless the owner or operator of the proposed source demonstrates that such limitations are not achievable, or • the most stringent emission limitation which is achieved in practice by such class or category of source, whichever is more stringent.  • Best Available Control Technology (BACT) is the current standard – it is much more flexible • Result of structured analysis on a case by case basis • Energy consumption, total source emission, regional environmental impact, and economic costs are taken into account.

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