Airborne Contaminant 2 : A collective term for any type of dust, mist, vapour, gas or fume released into workroom air. The point at which contaminants are emitted into the air is known as the source
Health and Safety Executive (HSE), Glossary of Terms: Local Exhaust Ventilation, HSE, Merseyside, England, UK 2012. www.hse.gov.uk/lev/glossary.htm, (Hlth and Sfty - Brit) {704}