Substitution 4 : An approach promoted in the Control of Substances Hazardous to Health Regulations that promotes substituting a less harmful substance for a harmful substance
eHandS Health and Safety Management & Reporting Software, eHandS Health and Safety Glossary of Terms (online health and safety dictionary), Stirlingshire, UK 2009. http://www.ehands.co.uk/health-and-safety-glossary .html, (Hlth and Sfty Mgt - Brit) {51}