Zone 02 : (1) Areas in which the explosive mixture is likely to occur under normal working conditions. (2) Areas in which an explosive mixture is not likely to occur during normal working, but if it does, will only exist for a short time
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}