Edward M. Ober Robin d.silver David Matusow Sandra L. Bahr v. Christine Todd Whitman United States Environmental Protection Agency

BOOCHEVER, Circuit Judge:

Edward Ober and other residents of Phoenix, Arizona, appeal from the Environmental Protection Agency’s adoption of a federal implementation plan for the Phoenix area under the Clean Air Act. Ober claims that the plan violates the Clean Air Act because it fails to adopt controls for sources of airborne particulate pollution that the agency labels “de minim-is.”

BACKGROUND

The attempts by the Environmental Protection Agency (“EPA”) to formulate a plan to control air pollution in the Phoenix area pursuant to the Clean Air Act, 42 U.S.C. § 7401 et seq., have been the source…