PSR 04 : Pipeline Safety Regulations 1996. Legislation relating to the operation of pipelines in the UK and to the health and safety issues pertaining to them
Tom May, CEM, Steve Davis, Larrie Wright, All Hands Community, Glossary of Terms and Definitions (in the fields of Emergency Management, Business Continuity and related service areas), 3rd Ed, USA 2005. http://www.macogonline.org/archive/homeland/emerge ncy_glossary.pdf, (Emr Mgt, Biz Cont and related srvc areas - Brit) {482}