A specialized area that recognizes, evaluates and controls chronic (longer-term) worker exposures to harmful physical or chemical agents or conditions such as noise levels, ventilation rates, airborne contaminants, heat exposure and radiation
Tsavo Media Inc. (Ed.), Work Safely, Glossary of Safety Terms U-Z, Ontario, Canada 2012. www.worksafely.com/glossary/glossary-a-e.aspx, (WrkPlc Sfty - Canad) {486}