definiens: means : ( A ) those subst ances defined in or regulated under the Hazardous Materials Transportation Act, the Resourc e Conservation and Recovery Act, the Comprehensive Environmental Response, Compensation and Liability Act, the Clean Water Act, the Safe Drinking Water A ct, the Atomic Energy Act, the Toxic Substances Control Act, the Federal Insecticide, Fungicide, and Roden ticide Act and the Clean Air Act, and their state counterp arts, as each may be amended from time to time, and all regulations thereunder ; ( B ) petroleum and petroleum products, including crude oil and any fractions th ereof ; ( C ) natural gas, synthetic gas, and any mixtures th ereof ; ( D ) lead, polychlorinated biphenyls, asbesto s, radon, medical waste or radioactive materials or waste ; ( E ) any other pollutant or contaminant ; and ( F ) any s ubstance, material or waste regulated by any Governmental Aut hority pursuant to any Environmental Law