Exists if there is a substantial possibility that death or serious physical harm could result from either an exposure that exceeds permissible limits or from practices, methods, operations or processes used in the workplace
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}