Hazardous Substance

(Hazardous Material, Hazardous Chemical, Dangerous Goods)


A classification for a material that poses a threat to human health, the health of other living organisms, or the environment because of certain characteristics that the substance possesses.   Hazardous substances include but are not limited to materials that are radioactive, corrosive, toxic, flammable, and explosive. They can be biological or man-made.