U.S. National Library of Medicine
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.
The numerical value of hazardous substances in Chaldean Numerology is: 8
The numerical value of hazardous substances in Pythagorean Numerology is: 2
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"hazardous substances." Definitions.net. STANDS4 LLC, 2017. Web. 30 May 2017. <http://www.definitions.net/definition/hazardous substances>.