EPA Beats Back Enviros' Carbon Monoxide Challenge

Law360, New York (April 11, 2014, 4:15 PM EDT) -- The D.C. Circuit on Friday rejected an effort by environmental groups to force the U.S. Environmental Protection Agency to revisit its air quality standards for carbon monoxide, finding the agency’s method for establishing the standards was neither arbitrary nor capricious.

Under the Clean Air Act, the EPA must establish primary and secondary national air quality standards to regulate the levels of six common air pollutants, including carbon monoxide. The primary level must protect human health, and the secondary standard encompasses the welfare of animals, the environment...
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Case Information

Case Title

Comm. for a Better Environment, et al v. EPA

Case Number



Appellate - DC Circuit

Nature of Suit

Date Filed

October 31, 2011


Government Agencies

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