authority: Sec. 103 of the Clean Air Act, as amended (42 U.S.C. 7403), secs. 104(g), 109, and 111 of the Clean Water Act, as amended (33 U.S.C. 1254(g), 1259, and 1261), secs. 7007 and 8001 of the Solid Waste Disposal Act, as amended (42 U.S.C. 6977 and 6981); sec. 1442 of the Safe Drinking Water Act, as amended (42 U.S.C. 300j-1). 2 CFR 200