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Designation as attainment/nonattainment

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

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...

Sierra Club v. United States Environmental Protection Agency

The Seventh Circuit denied a petition for review challenging EPA’s decisions to redesignate three geographic areas—Milwaukee-Racine, Greater Chicago, and the Illinois portion of the St. Louis area—as having attained the 1997 NAAQS for...

ATK Launch Systems, Inc. v. Environmental Protection Agency

The D.C. Circuit upheld EPA's rule designating certain areas in Utah as nonattainment for the 2006 24-hour fine particulate matter (PM2.5) standard. Petitioners—two counties, three cities, and an aerospace and defense company—challenged...

Greenbaum v. EPA

The Sixth Circuit upheld EPA's redesignation of Cleveland, Ohio, from nonattainment to attainment for particulate matter under CAA §107(d)(3)(E). An environmental group argued that EPA illegally waived statutory requirements when...

Southwestern Pa. Growth Alliance v. Browner

The court affirms the U.S. Environmental Protection Agency's (EPA's) decision to redesignate the Cleveland-Akron-Lorain, Ohio, area as a Clean Air Act (CAA) attainment area for ozone. The court first holds that an organization of...

Southwestern Pa. Growth Alliance v. Browner

The Third Circuit denies an organization of manufacturers' and local governments' petition for review of the U.S. Environmental Protection Agency's (EPA's) denial of Pennsylvania's request to redesignate the Pittsburgh-Beaver Valley...