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SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta,

SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta, Georgia April 26, 2006. ↑ Population = ↑ Activities. 2007 Urban Mobile NOx Emissions. Other. Light Duty Gas Vehicles. 1%. 15%. Light Duty Gas Trucks2. 8%.

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SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta,

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  1. SOUTHEASTERN AIR QUALITY UPDATE John Hornback Metro 4/SESARM Southeastern Diesel Collaborative Kick-Off Meeting Atlanta, Georgia April 26, 2006

  2. ↑ Population = ↑ Activities

  3. 2007 Urban Mobile NOx Emissions Other Light Duty Gas Vehicles 1% 15% Light Duty Gas Trucks2 8% Heavy Duty Diesel Vehicles 52% Light Duty Gas Trucks1 17% Heavy Duty Gas Vehicles 7%

  4. Selected City Findings • Average annual PMfine mass composition: • 70% Regional (far upwind background concentrations) • 10% Urban (influence of general urban emissions with little influence from specific nearby local sources) • 20% Local (influence of emissions from sources within or near the point of concern)

  5. An Approach to the Solution • Understanding the problems • Accepting responsibility • Committing to working together • Utilizing a broad range of approaches across the various emission sectors • Completing early priority projects • Communicating efforts, improvements, and other benefits “THE DIESEL COLLABORATION CAN BE A GREAT ASSET!”

  6. The Great Disappearing Mountains

  7. Preferred Great Smokies Visibility

  8. Contact Information • John Hornback • Executive Director • Metro 4, Inc. • Southeastern States Air Resource Managers, Inc. • 404-361-4000 • hornback@metro4-sesarm.org

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