Definition: Substances which, upon release into the atmosphere, water, or soil, or which, in direct contact with the skin, eyes, or mucous membranes, or as additives to food, cause health risks to humans or animals through absorption, inhalation, or ingestion. The concept includes safe handling, transportation, and storage of these substances.
note category: do not confuse with HAZARDOUS WASTE; "includes safe handling, transport & storage"
See AlsoHazardous Waste