Job Safety Analysis 5 : A formalized procedure whereby persons involved in a task get together to assess the work, identify associated hazards and recommend safe job practices and precautionary measures
International Association of Oil & Gas Producers OGP and International Association of Geophysical Contractors, Guidelines on Permit to Work (P.T.W.) Systems (Report No. 6.29/189 Jan 1993), London, UK 1999. http://www.ogp.org.uk/pubs/189.pdf, (Hlth, Sfty and Envir Mgt Sys - Brit) {772}