HM 4
HM 4 : Hazardous Material: Any chemical or material that is a physical hazard or a health hazard, or which during end use, storage, transportation or disposal can be classified as a Hazardous Waste. This definition Enclosure (7) 4 includes aerosol containers, explosives, toxic, irritant, or sensitizing chemicals, poisonous or infectious substances, flammable liquids or solids, corrosives, combustible liquids, pesticides, oxidizers, reactives, radioactive substances, and compressed gases