“Hazardous Materials” means: # any substance, material, or waste that is included within the definitions of “hazardous substances,” “hazardous materials,” “hazardous waste,” “toxic substances,” “toxic materials,” “toxic waste,” or words of similar import in any Environmental Law; # those substances listed as hazardous substances by the United States Department of Transportation (or any successor agency) (49 C.F.R. 172.101 and amendments thereto) or by the Environmental Protection Agency (or any successor agency) (40 C.F.R. Part 302 and amendments thereto); and # any substance, material, or waste that is petroleum, petroleum-related, or a petroleum by-product, asbestos or asbestos-containing material, polychlorinated biphenyls, flammable, explosive, radioactive, freon gas, radon, or a pesticide, herbicide, or any other agricultural chemical.

“Hazardous Materials” means: # any substance, material, or waste that is included within the definitions of “hazardous substances,” “hazardous materials,” “hazardous waste,” “toxic substances,” “toxic materials,” “toxic waste,” or words of similar import in any Environmental Law; # those substances listed as hazardous substances by the United States Department of Transportation (or any successor agency) (49 C.F.R. 172.101 and amendments thereto) or by the Environmental Protection Agency (or any successor agency) (40 C.F.R. Part 302 and amendments thereto); and # any substance, material, or waste that is petroleum, petroleum-related, or a petroleum by-product, asbestos or asbestos-containing material, polychlorinated biphenyls, flammable, explosive, radioactive, freon gas, radon, or a pesticide, herbicide, or any other agricultural chemical.

“Hazardous Materials” # any substance, material, or waste that is included within the definitions of “hazardous substances,” “hazardous materials,” “hazardous waste,” “toxic substances,” “toxic materials,” “toxic waste,” or words of similar import in any Environmental Law; # those substances listed as hazardous substances by the United States Department of Transportation (or any successor agency) (49 C.F.R. 172.101 and amendments thereto) or by the Environmental Protection Agency (or any successor agency) (40 C.F.R. Part 302 and amendments thereto) or by similar applicable Environmental Law in Canada or by a Canadian Governmental Authority; and # any substance, material, or waste that is petroleum, petroleum-related, or a petroleum by-product, asbestos or asbestos-containing material, polychlorinated biphenyls, flammable, explosive, radioactive, freon gas, radon, or a pesticide, herbicide, or any other agricultural chemical regulated under the Federal Insecticide, Fungicide and Rodentide Act (“FIFRA”), 7 U.S.C. § 136 et seq. or similar applicable Environmental Law in Canada.

“Hazardous Materials” means # any material or substance defined as or included in the definition of “hazardous substances,” “hazardous wastes,” “hazardous materials,” “toxic substances” or any other formulations intended to define, list or classify substances by reason of their deleterious properties, # any oil, petroleum or petroleum derived substance, # any flammable substances or explosives, # any radioactive materials, # asbestos in any form, # electrical equipment that contains any oil or dielectric fluid containing levels of polychlorinated biphenyls in excess of fifty parts per million, # pesticides or # any other chemical, material or substance, exposure to which is prohibited, limited or regulated by any governmental agency or authority or which may or could pose a hazard to the health and safety of persons in the vicinity thereof.

“Hazardous Materials” means # any “hazardous substance,” “pollutant,” “contaminant,” “hazardous waste,” “regulated substance,” “hazardous chemical” or “toxic chemical” as designated, listed or defined (whether expressly or by reference) in any Environmental Law; # any other pollutant, chemical, substance, toxic, infectious, carcinogenic, reactive, corrosive, ignitable or flammable chemical, or chemical compound, or hazardous substance, material or waste, whether solid, liquid or gas, that is subject to regulation, control or remediation under any Environmental Laws, including any quantity of asbestos in any form, urea, formaldehyde, polychlorinated biphenyls (PCBs), radon gas, petroleum, waste oil, crude oil, or any fraction thereof, all forms of natural gas, petroleum products or by-products or derivatives, and # any compound, mixture, solution, product or other substance or material that contains any hazardous substance or material referred to in [clause (a) and (b) above].

“Hazardous Materials” means any material, substance or waste that is listed, regulated, or otherwise defined as hazardous, toxic, radioactive, a pollutant or a contaminant (or words of similar regulatory intent or meaning) under applicable Environmental Law, or which could give rise to liability under any Environmental Law, including, but not limited to, all explosive or radioactive substances or wastes, petroleum or petroleum distillates, asbestos or asbestos-containing materials, polychlorinated biphenyls, radon gas, infectious or medical wastes and pesticides.

“Hazardous Materials” means any hazardous or toxic chemicals, materials, substances or waste which is listed, classified or regulated by any Governmental Authority as “hazardous substances,” “hazardous wastes,” “hazardous materials,” “extremely hazardous wastes,” “restricted hazardous wastes,” “toxic substances,” “toxic wastes,” “contaminants” or “pollutants,” or words of similar import, under any Environmental Law, including petroleum or petroleum products (including gasoline, crude oil or any fraction thereof), asbestos or asbestos-containing materials, polychlorinated biphenyls, radon gas and urea formaldehyde.

“Hazardous Materials” shall mean # any material, substance, chemical, waste, product, derivative, compound, mixture, solid, liquid, mineral, or gas, in each case, whether naturally occurring or manmade, that is hazardous, acutely hazardous, toxic, or words of similar import or regulatory effect under Environmental Laws; and # any petroleum or petroleum-derived products, radon, radioactive materials or wastes, asbestos in any form, lead, or lead-containing materials, urea formaldehyde foam insulation, and polychlorinated biphenyls.

“Hazardous Materials” means # substances that are defined or listed in, or otherwise classified pursuant to, any applicable laws or regulations as “hazardous substances,” “hazardous materials,” “hazardous wastes,” “toxic substances,” or any other formulation intended to define, list, or classify substances by reason of deleterious properties such as ignitability, corrosivity, reactivity, carcinogenicity, reproductive toxicity, or “EP toxicity,” # oil, petroleum, or petroleum derived substances, natural gas, natural gas liquids, synthetic gas, drilling fluids, produced waters, and other wastes associated with the exploration, development, or production of crude oil, natural gas, or geothermal resources, # any flammable substances or explosives or any radioactive materials, and # asbestos in any form or electrical equipment that contains any oil or dielectric fluid containing levels of polychlorinated biphenyls in excess of 50 parts per million.

“Hazardous Materials” means # substances that are defined or listed in, or otherwise classified pursuant to, any applicable laws or regulations as “hazardous substances,” “hazardous materials,” “hazardous wastes,” “toxic substances,” or any other formulation intended to define, list, or classify substances by reason of deleterious properties such as ignitability, corrosivity, reactivity, carcinogenicity, reproductive toxicity, or “EP toxicity”, # oil, petroleum, or petroleum derived substances, natural gas, natural gas liquids, synthetic gas, drilling fluids, produced waters, and other wastes associated with the exploration, development, or production of crude oil, natural gas, or geothermal resources, # any flammable substances or explosives or any radioactive materials, and # asbestos in any form or electrical equipment that contains any oil or dielectric fluid containing levels of polychlorinated biphenyls in excess of 50 parts per million.

“Hazardous Materials” means any substances or materials # which are or become defined as hazardous wastes, hazardous substances, pollutants, contaminants, chemical substances or mixtures or toxic substances under any Environmental Law, # which are toxic, explosive, corrosive, flammable, infectious, radioactive, carcinogenic, mutagenic or otherwise harmful to public health or the environment and are or become regulated by any Governmental Authority, # the presence of which require investigation or remediation under any Environmental Law or common law, # the discharge or emission or release of which requires a permit or license under any Environmental Law or other Governmental Approval, # which are deemed by a Governmental Authority to constitute a nuisance or a trespass which pose a health or safety hazard to Persons or neighboring properties, or # which contain, without limitation, asbestos, polychlorinated biphenyls, urea formaldehyde foam insulation, petroleum hydrocarbons, petroleum derived substances or waste, crude oil, nuclear fuel, natural gas or synthetic gas.