Dioxin/organochlorine Center Columbia River United, and Longview Fibre Co., Plaintiffs-Intervenors v. Chuck Clarke, in His Capacity as Regional Administrator, United States Environmental Protection Agency, Region 10 United States Environmental Protection Agency, an Agency of the United States Government, Dioxin/organochlorine Center Columbia River United, and Longview Fibre Co., a Washington Corporation James River Ii, Inc., a Virginia Corporation Boise Cascade Corporation, a Delaware Corporation Weyerhaeuser Co., a Washington Corporation, Plaintiffs-Intervenors-Appellants v. Chuck Clarke, in His Capacity as Regional Administrator, United States Environmental Protection Agency, Region 10 United States Environmental Protection Agency, an Agency of the United States Government

57 F.3d 1517 40 ERC 1961 , 64 USLW 2063 , 25 Envtl. L. Rep. 21,258 DIOXIN/ORGANOCHLORINE CENTER; Columbia River United, Plaintiff-Appellants, and Longview Fibre Co., et al., Plaintiffs-Intervenors, v. Chuck CLARKE, * in his capacity as Regional Administrator, United States Environmental Protection Agency, Region 10; United States Environmental Protection Agency, an agency of the United States Government, Defendants-Appellees. DIOXIN/ORGANOCHLORINE CENTER; Columbia River United, Plaintiffs, and Longview Fibre Co., a Washington corporation; James River II, Inc., a Virginia corporation; Boise Cascade Corporation, a Delaware corporation; Weyerhaeuser Co., a Washington corporation, Plaintiffs-Intervenors-Appellants, v. Chuck CLARKE, in his capacity as Regional Administrator, United States Environmental Protection Agency, Region 10; United States Environmental Protection Agency, an agency of the United States Government, Defendants-Appellees. Nos. 93-35973, 93-36000. United States Court of Appeals, Ninth Circuit. Argued and Submitted Dec. 7, 1994. Decided June 22, 1995. Todd D. True and Victor M. Sher, Sierra Club Legal Defense Fund, Seattle, WA, for plaintiffs-appellants. Karen M.…