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   English
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immediately dangerous to life and healthstresses
mil., WMD непосредственная угроза жизни и здоровью; внезапная угроза жизни и здоровью людей (IDLH)
O&G, casp. непосредственная опасность жизни и здоровью (Yeldar Azanbayev)
sec.sys. НУЖЗ (Yuriy Melnikov)
 English thesaurus
Immediately Dangerous to Life and Health
abbr., oil IDLH (Maximum concentration of a chemical in air to which one can be exposed without suffering irreversible health effects (function of time, usually))