كتاب : پيشگيري از حوادث صنعتي بزرگ

Prevention of major industrial accidents - I.L.O

Prevention of major industrial accidents - I.L.O 

 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: (a) the release of toxic substances in tonnage quantities which are lethal or harmful even at considerable distances from the point of release; (b) the release of extremely toxic substances in kilogram quantities which are lethal or harmful even at considerable distances from the point of release; (c) 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; (d) the explosion of unstable or reactive materials