Hazardous Waste means any substance or material regulated or designated as such pursuant to any Environmental Law, including without limitation, pollutants, contaminants, flammable substances and materials, explosives, radioactive materials, oil, petroleum and petroleum products, chemical liquids and solids, polychlorinated biphenyls, asbestos, toxic substances, and similar substances and materials.
Hazardous air pollutant means any air pollutant listed as a hazardous air pollutant pursuant to Section 112(b) of the FCAA.
Hazardous Substances means any hazardous waste, hazardous substance, pollutant, contaminant, toxic substance, oil, hazardous material, chemical or other substance regulated by any Environmental Law.
Hazardous Substance means any substance that is: (i) listed, classified or regulated pursuant to any Environmental Law; (ii) any petroleum product or by-product, asbestos-containing material, lead-containing paint or plumbing, polychlorinated biphenyls, radioactive materials or radon; or (iii) any other substance which is the subject of regulatory action by any Governmental Entity pursuant to any Environmental Law.