Court of Appeals for the Ninth Circuit December 1, 1980, No. 78-1941 (Western Oil & Gas Ass'n v. United States Environmental Protection Agency)

SNEED, Circuit Judge:

Petitioners, several oil and gas companies and their trade association, seek direct review of a regulation promulgated by respondent, the EPA, designating certain geographical areas in California as failing to meet federal air quality standards. We hold that our jurisdiction rests on the provision of the Clean Air Act Amendments of 1977, 42 U.S.C. § 7607 (Supp.