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American Petroleum Institute v. Environmental Protection Agency
The D.C. Circuit denied petitions challenging EPA's one-hour primary NAAQS for nitrogen dioxide (NOx). The new one-hour primary NAAQS requires that “the three-year average of the annual 98th percentile of the daily maximum one-hour average concentration be less than or equal to 100 parts per billi...
National Environmental Development Ass'n Clean Air Project v. Environmental Protection Agency
The D.C. Circuit dismissed petitions challenging EPA's primary NAAQS for sulfur dioxide (SO2). The petitioners—several states, state regulatory agencies, corporations, and industrial associations—argued that EPA failed to follow the APA's notice-and-comment rulemaking procedures because it did n...
Idaho Conservation League v. Atlanta Gold Corp.
A district court ordered a mining company to comply with the CWA by October 31, 2012, and to pay over $2 million in penalties for CWA violations in Montezuma Creek, a tributary of the Middle Fork Boise River near Atlanta, Idaho. Environmental groups filed suit against the company for discharging wa...