definiens: means ( 1 ) those substances, materials, contaminants or wastes defined in orregulated as,, or, under the following U.S. federal statutes and their statecounterparts, as amended to date, and all regulations thereunder : the Hazardous Materials Transportation Act, theResource Conservation and Recovery Act, the Comprehensive Environmental Response, Compensation and LiabilityAct, the Clean Water Act, the Safe Drinking Water Act, the Atomic Energy Act, the Federal Insecticide, Fungicide andRodenticide Act, and the Clean Air Act, ( 2 ) petroleum and petroleum products, including crude oil and any fractionsthereof, ( 3 ) natural gas, synthetic gas and any mixtures thereof, ( 4 ) polychlorinated biphenyls, friable asbestos andradon and ( 5 ) any biological or chemical substance, material or waste regulated or classified as,, or by any Governmental Authority pursuant to any Environmental Law