Air Quality Standard Needed Tightening: EPA To DC Circ.

Law360, Washington (February 21, 2012, 7:02 PM ET) -- The U.S. Environmental Protection Agency defended its decision to make the national ambient air quality standard for nitrogen dioxide more stringent in response to an energy industry challenge before the D.C. Circuit Tuesday, saying the data clearly shows a risk to public health.

The American Petroleum Institute and Interstate Natural Gas Association of America allege the EPA's revision of the standard was arbitrary, capricious or an abuse of discretion, saying the agency relied on faulty information and analyses on the health risks of specific levels of...
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