Chronic Exposure 18 : These are multiple or continuous exposures occurring over an extended period of time or a significant fraction of an individual's lifetime
US Army Center for Health Promotion and Preventive Medicine CHPPM, TG 204 Glossary of Terms For Nuclear, Biological, and Chemical Agents And Defense Equipment (Section 2 - General Terms), MD, USA 2001. http://www.au.af.mil/au/awc/awcgate/army/tg204.pdf , (CBRNE Agt and Def Equip/ Gen Terms - Amer) {487}
Madison County North Carolina Government, Madison County Emergency Operations Plan Glossary (Section 2: General Terms), NC, USA 2009. http://www.madisoncountync.org/eop/Madison_EOP_PDF /Glossary.pdf, (CBRNEmr - Amer) {874}