HazMat / Hazardous Materials 3 : Any substance or material in a particular form or quantity, which the Secretary of Transportation finds may pose an unreasonable risk to health, safety and property.
Madison County North Carolina Government, Madison County Emergency Operations Plan Glossary (Section 1: Comprehensive Glossary of Terms for Nuclear, Biological and Chemical), NC, USA 2009. http://www.madisoncountync.org/eop/Madison_EOP_PDF /Glossary.pdf, (CBRNEmr - Amer) {873}