EPA enforcement priorities and practices [electronic resource] : hearing before the Subcommittee on Energy and Power of the Committee on Energy and Commerce, House of Representatives, One Hundred Twelfth Congress, second session, June 6, 2012.
Publication Info.
Washington : U.S. G.P.O., 2013.
Washington, DC : For sale by the Superintendent of Documents, U.S. G.P.O.