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Artba Sues Epa Over State Air Quality Rules

Seeking to prevent the U.S. Environmental Protection Agency from making a final determination that allows states to restrict or ban the use of certain heavy construction equipment under the Clean Air Act

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Epa To Revise Opacity Rule

The National Stone, Sand & Gravel Association reports that the U.S. Environmental Protection Agency is under court order to issue a revised opacity rule by April 16.

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