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What about the Haze Obscuring our Mountains – Is the View Getting Clearer?

What about the Haze Obscuring our Mountains – Is the View Getting Clearer? . Bill Jackson Air Resource Management Specialist USDA Forest Service Asheville, NC. The Goal By 2064.

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What about the Haze Obscuring our Mountains – Is the View Getting Clearer?

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  1. What about the Haze Obscuring our Mountains – Is the View Getting Clearer? Bill Jackson Air Resource Management Specialist USDA Forest Service Asheville, NC

  2. The Goal By 2064 • In Section 169A of the 1977 Amendments to the Clean Air Act (CAA), our Nation set forth a program for protecting visibility in Class I areas which call for the “prevention of any future, and the remedying of any existing, impairment of visibility in mandatory Class I Federal areas which impairment results from manmade air pollution.”

  3. Mandatory Class I Areas

  4. The Goal – Haziest Days 73 Miles

  5. The Goal – Best Days 121 Miles

  6. The Cause – Fine Particles

  7. Shining Rock Wilderness Fine Particle Concentrations Concentration (ug/m3)

  8. Richland Balsam View

  9. 98% Relative Humidity Average Fine Particle Mass 90% Reduction In Sulfates Sulfate Reduction

  10. The Path – Haziest Days 14 miles 73 miles

  11. Visibility Is Improving –Haziest Days Shining Rock Linville Gorge

  12. Current Situation – Haziest Days 14 miles 18 miles

  13. Current Situation -- Haziest Days 14 miles 18 miles

  14. One More Time - Haziest Days 18 miles 14 miles

  15. Why Is Visibility Improving? • North Carolina Clean Smoke Stacks Act • Tennessee Valley Authority (settlement agreement with EPA) • Continued implementation of the Clean Air Interstate Rule • Best Available Retrofit Technology (BART) • Conversion from coal to natural gas

  16. http://webcam.srs.fs.fed.us/

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