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SO2 NAAQS

83 FR 25617

ELR Federal Agency Update

Treasure State Resource Industry Ass'n v. Environmental Protection Agency

ELR Case

The D.C. Circuit upheld EPA's designation of Yellowstone County, Montana, and Wayne County, Michigan, as "nonattainment" under the sulfur dioxide (SO2) NAAQS. Two petitioners—an industry association and a steel company—challenged the...

National Environmental Development Ass'n Clean Air Project v. Environmental Protection Agency

ELR Case

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...