Your search Western Oil and Gas Association, a Nonprofit Corporation;california Independent Producers Association, a Nonprofitcorporation; Chevron U.s.a. Inc., a Corporation; Getty Oilcompany, a Corporation; Mobil Oil Corporation, Acorporation; Shell Oil Corporation, a Corporation; Sun Oilcompany (delaware), a Corporation; Tenneco Inc., Acorporation; and Union Oil Company of California, Acorporation, Petitioners, v. the United States Environmental Protection Agency, an Agencyof the United States; and Douglas M. Costle, in His Capacityas Administrator of the United States Environmentalprotection Agency, Respondents did not match any document.