ahmadvand.org: كتاب : پيشگيري از حوادث صنعتي بزرگ كتاب : پيشگيري از حوادث صنعتي بزرگ ================================================================================ مدیرسایت در 2016-01-19 Prevention of major industrial accidents - I.L.O Prevention of major industrial accidents - I.L.O 0d0a Major hazard installations possess the potential, by virtue of the nature and quantity of hazardous substances present, to cause a major accident in one of the following general categories: 28a29 the release of toxic substances in tonnage quantities which are lethal or harmful even at considerable distances from the point of release; 28b29 the release of extremely toxic substances in kilogram quantities which are lethal or harmful even at considerable distances from the point of release; 28c29 the release of flammable liquids or gases in tonnage quantities which may either burn to produce high levels of thermal radiation or form an explosive vapour cloud; 28d29 the explosion of unstable or reactive materials