U.S. v. American Electric Power Co. (S.D. Ohio)
U.S. v. Buckeye Egg Farms, L.P. (N.D. Ohio)
U.S. v. DuPont de Nemours & Co. (M.D. Tenn.)
U.S. v. Motiva Enterprises LLC, et al. (D. Del.)

Diesel Engines
Mobile Sources
Petroleum Refiners
Wood Products Manufacturers

U.S. v. BP Exploration (Alaska) Inc.
U.S. v. El Paso Natural Gas Co. (D.N.M.)
U.S. v. Exxon Corporation, et al. (D.Alaska)
U.S. v. Massey Energy Co. (S.D. W.Va.)
U.S. v. Metropolitan District Commission, et al. (Boston Harbor) (D. Mass.)
U.S. v. Olympic Pipeline Company, et al. (W.D. Wash.)
U.S. v. Smithfield Foods Inc. (E.D. Va.)
Litigation under EPA’s Storm Water Priority

U.S. v. Apache Energy & Minerals Co. (Cal Gulch) (D. Colo.)
U.S. v. Apex Oil Co. (S.D. Ill.)
In re: Asarco LLC (S.D. Tex)
U.S. v. Atlantic Richfield Company, et al., (D. Mont.)
U.S. v. Bliss (Times Beach) (E.D. Mo.)
U.S. v. Eastman Kodak Co., Inc. (W.D.N.Y.)
U.S. v. FMC Corp. (D. Idaho)
U.S. v. General Electric Co. (N.D.N.Y.)
U.S. v. Iowa Beef Processors (D. Neb)
U.S. v. Iron Mountain Mines, Inc. (E.D. Cal.)
Litigation re: Lower Fox River/Green Bay Superfund Site
U.S. v. Marine Shale Processors, Inc. (W.D. La.)
U.S. v. Montrose Chemical Corp. (C.D. Cal.)
U.S. v. Occidental Chemical Corp. (Love Canal) (W.D.N.Y.)
U.S. v. Raymark Industries, Inc. (D.Conn.)
U.S. v. Tropical Fruit Company (D.P.R.)
U.S. v. Valentine (D. WY.)
U.S. v. Wildwood Conservation Corp. (Wells G & H) (D. Mass.)
U.S. v. W. R. Grace & Co. (Libby Asbestos Site) (D. Mont.)

U.S. v. Water Supply Storage Co. (D. Colo.)