EPA, Sierra Club Spar In DC Circ. Over Emissions Permits

Law360, New York (June 27, 2012, 3:16 PM EDT) -- The U.S. Environmental Protection Agency and the Sierra Club lodged final briefs with the D.C. Circuit on Tuesday in their fight over permitting standards for particulate matter emissions, which the Sierra Club claims are in violation of the Clean Air Act.

The Sierra Club is challenging the EPA's decision to establish so-called significant impact levels that allow major sources to exceed the National Ambient Air Quality Standards for fine particulate matter to a degree the agency claims will have an insignificant impact on air quality. The...
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