definiens: means any chemicals, pollutants, contaminants, wastes, toxic or hazardoussubstances, materials or wastes, petroleum and petroleum derivatives or products, or synthetic or alternatesubstitutes therefor, greenhouse gases, asbestos or asbestos - containing materials or products, polychlorinatedbiphenyls, hydrogen sulfide, arsenic, cadmium, mercury, lead or lead - based paints or materials, radon, fungus, mold, mycotoxins, urea - formaldehyde, or other substances that may have an adverse effect on human health or theenvironment, and including any other substance that is prohibited, listed, defined, designated or classified asdangerous, hazardous, radioactive, corrosive, explosive, infectious, carcinogenic, mutation or toxic or a pollutant or acontaminant under or pursuant to, or that could result in liability under, any Law relating to pollution, waste, humanhealth or the Environment, or may impair the Environment, the health of any Person, property, or plant or animal life