The presence of a hazard and an exposure pathway; threats may be natural or human-induced, either accidental or intentional. (Source: An Emergency Management Framework for Canada, 2011)
Government of Canada, Public Safety Canada, Chemical, Biological, Radiological, Nuclear and Explosives Resilience Strategy for Canada, Glossary & Acronyms, Ottawa, Canada 2014. http://www.publicsafety.gc.ca/cnt/rsrcs/pblctns/rs lnc-strtg/index-eng.aspx, (CBRNEmr - Canad) {879}