authority: Section 103(b)(5) of the Clean Air Act, as amended (42 U.S.C. 7403(b)(5)); sections 104(b)(5) and (g)(3)(B) of the Clean Water Act, as amended (33 U.S.C. 1254(b)(5) and (g)(3)(B)); section 1442 of the Safe Drinking Water Act, as amended (42 U.S.C. 300j-1); section 8001 of the Solid Waste Disposal Act, as amended (42 U.S.C. 6981); section 10 of the Toxic Substances Control Act, as amended (15 U.S.C. 2609); section 20 of the Federal Insecticide, Fungicide, and Rodenticide Act, as amended (7 U.S.C. 136r); sections 104(k)(7) and 311 of the Comprehensive Environmental Response, Compensation, and Liability Act (42 U.S.C. 9604(k)(7) and 42 U.S.C. 9660). 2 CFR part 200 and 2 CFR part 1500