Chronic 01
Chronic 01 : (a) Occurring over a long period of time (more than 1 year). [ATSDR, 1999: Online Glossary]; (b) Occurring over a long period of time, several weeks, months or years. [New York Department of Health, 1999: Glossary of Environmental Health Terms]; (c) Having a persistent, recurring or long_term nature. As distinguished from acute. [SRA, 1999: Glossary of Risk Analysis Terms]; (d) A toxic effect that occurs only after exposure to a material for a long time, usually months or years. The amount of exposure is usually very low, and often symptoms are not immediately noticeable. [University of Kentucky, 1999: Glossary of Safety Terms]; (e) Having a persistent, recurring or long_term nature. As distinguished from acute. [USDOE, 2000: RAIS Glossary]; (f) A disease or condition that has been present for several weeks or longer. [WSU, 1999: Definitions and Abbreviations of Veterinary Terms]
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