1) A physical or chemical agent capable of causing harm to persons, property, animals, plants or other natural resources. (Source: GEMET- FFD / HMD); 2) Any material that poses a threat to human health and/or the environment. Typical hazardous substances are toxic, corrosive, ignitable, explosive, or chemically reactive. (Source: GEMET/LEE)
Broader: LEO Thesaurus
severly hazardous substance
Concept URI: http://www.informea.org/terms/hazardous-substance
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