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Kansas City Air Quality, Emissions, and Strategies

Kansas City Air Quality, Emissions, and Strategies. Douglas Watson Kansas Department of Health and Environment Bureau of Air and Radiation January 10, 2006. Ground-Level Ozone. Chemically identical to ozone in upper atmosphere Ground level ozone primarily result of man’s activities

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Kansas City Air Quality, Emissions, and Strategies

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  1. Kansas City Air Quality, Emissions, and Strategies Douglas Watson Kansas Department of Health and Environment Bureau of Air and Radiation January 10, 2006

  2. Ground-Level Ozone • Chemically identical to ozone in upper atmosphere • Ground level ozone primarily result of man’s activities • Ground level Ozone formed by chemical reaction of volatile organic compounds (VOC) and nitrogen oxides (NOx)

  3. More Ground level Ozone • VOCs and NOX come from cars, trucks, small businesses, utilities & large industry • Ozone concentrations typically high on hot, sunny days with light winds • Can trigger breathing problems, esp. in those who have asthma, emphysema, or other respiratory conditions

  4. Even More Ground-Level Ozone • Chemical formula – O3 • VOCs + NOx + heat + sunlight → O3 • Ambient ozone concentration results from background, transported in, and homegrown

  5. 8-Hour Ozone Standard • Health-based standard issued in 1997 • Court challenge delayed implementation • Better accounts for prolonged exposures • 8-Hour standard = 0.084 ppm (84 ppb) • Form of the standard: • 4th high 8-hour daily maximum for each year • Values are averaged over three years • Each year, oldest year value is dropped and new year added

  6. 8-Hour Ozone Standard • Design Value for a MSA (Metropolitan Statistical Area) is the highest value from all sites. • Violation occurs if three-year average of fourth highest daily maximum 8-hour ozone exceeds 84 ppb • Kansas City would have violated standard in 1999, 2000 & 2002

  7. KC Region Ozone History • From mid-1970s through early 1990s, KC metro area did not meet EPA standard • In 1992, area was redesignated attainment for 1-hr ozone standard • Area violated 1-hr standard in mid-1990s • Area has met the 1-hour standard in 2000s

  8. Variables in the KC Ozone Equation • Weather • Emission Reductions/Increases • Clean Air Interstate Rule • Tier 2 Vehicle and fuels rule • Heavy Duty Diesel rule • Regional Haze rule • Voluntary programs • Flint Hills burning emissions • Weather

  9. Emissions Source Categories • Point: Permitted sources of pollutant emissions. • Area: Sources below the permit cutoffs: dry cleaners, auto body painting, house painting and solvent use. • Mobile On-road and Off-road: autos, trucks, planes, trains, construction, farm equipment & lawn and garden equip.

  10. 2002 Kansas VOC Emissions

  11. 2002 Kansas City Area VOC Emissions

  12. 2002 Johnson Co VOC Emissions

  13. 2002 Kansas NOx Emissions

  14. 2002 Kansas City Area NOx Emissions

  15. Kansas 2002 Non-Road VOC Emissions

  16. Current Status • EPA designated region attainment in May 2005 • Largely a fluke of the weather – record cool summer in 2004 • History and modeling suggests likelihood of violation in future if no action taken • Voluntary effort underway

  17. Clean Air Action Plan • Coordinated by MARC • Developed in 2004 • Comprehensive voluntary plan for reducing emissions • Targets both stationary and mobile sources • Short-, intermediate- and long-term measures

  18. Emission Reduction Possibilities • Point source NOx emissions • Reduce automobile miles traveled • On-road Heavy Duty Diesel retrofits Idle reduction for diesel engines • Construction Equipment • Railroad alternative power units • Lawn and Garden • VOC solvent emissions

  19. Public Education • MARC’s annual regional public awareness campaign • Local government ozone reduction programs • AirQ Workplace Initiative • Pollution prevention workshops for small businesses

  20. Future Activities • Another episode of photochemical modeling • Modify 1-hour State Implementation Plan (SIP) to include 8-hour provisions • Implement voluntary strategies • Prepare 8-hour maintenance plan • Inventory growth and comparison • Contingency measures and triggers

  21. Economic impacts + In nonattainment areas, new or expanding businesses that release air pollution must apply the most stringent and costly controls available. In addition, they must offset any increased pollution by reducing equivalent pollution from other sources in the nonattainment area. These requirements mean increased costs, less likelihood of investment in new facilities, and a compromised economic climate for business growth.

  22. How does nonattainment designation affect permitting? • If a source wishes to locate or expand in a nonattainment area, federal law requires that large projects go through what is known as nonattainment new source review (NSR). • Nonattainment area new source review sometimes requires more strict emission controls than permits in attainment areas and also requires the applicant to obtain reductions in emissions from other sources within the same nonattainment area. • This is known as the “emission offset” requirement. Sources may choose to accept lower limits on allowable emissions in order to avoid these requirements. • Unless a source wishes to expand its operation and/or requests a revised emission limit, there is no impact on existing permits when a county goes from attainment to nonattainment.

  23. Economic Impacts (con’t.) Transportation conformity requires a nonattainment area to demonstrate that the estimated emissions from long range transportation plans do not exceed the estimated emissions level needed to attain and maintain the NAAQS.

  24. A recent Minnesota Chamber of Commerce study estimated that nonattainment would cost the St. Paul-Minneapolis metropolitan area $189million to $266 million annually, and one could expect costs in the Kansas City region to be of comparable magnitude.

  25. QUESTIONS?

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