Injury Severity Rate 3 : The number of days lost per 1 million man hours worked. ISR = (Number of days lost Man hours worked) x 1000000. (OGP report 6.4/121, 1985 'E&P Forum accident reporting system')
Miguel Angel Lopez Quintana International Association of Oil & Gas Producers OGP and International Association of Geophysical Contractors, Glossary of HSE Terms (Report No. 6.52/244 Sep 1996), London, UK 1999. http://www.academia.edu/5507223/Glossary_of_HSE_te rms, (Hlth, Sfty and Envir Mgt Sys - Brit) {771}