Elements, compounds, mixtures, or solutions that are considered severely harmful to human health and the environment. They include substances that are toxic, corrosive, flammable, or explosive.

Synonyms: Hazardous Chemical, Hazardous Chemicals, Biohazard, Toxic Substances, Environmental, Chemicals, Hazardous, Hazardous Substances, Chemical, Hazardous, Toxic Environmental Substances, Toxic Environmental Substance, Environmental Substance, Toxic, Biohazards, Hazardous Material, Substances, Environmental Toxic, 0, Material, Hazardous, Substance, Toxic Environmental, Materials, Hazardous, Substances, Toxic Environmental, Environmental Substances, Toxic, Hazardous Substance, Substance, Hazardous, Hazardous Materials, Substances, Hazardous, Environmental Toxic Substances