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Visibility and Haze

EPA Finalizes Emissions Trading Program Helping State and Tribal Governments Improve Visibility in National Parks and Wilderness Areas

On October, 5, 2006, EPA finalized an alternative emissions trading program that gives flexibility for states or tribal governments in ways to apply Best Alternative Retrofit Technology (BART). The BART requirements would be satisfied if the trading program meets or exceeds the visibility benefits resulting from BART.

Rule (PDF) (24 pp, 331 K) - Federal Register, Oct 13, 2006

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Fact Sheet (PDF)(2 pp, 31 K, October 2006)