Home > Terms > English, UK (UE) > Immediately dangerous to life and health (IDLH)
Immediately dangerous to life and health (IDLH)
A concentration of airborne contaminants, normally expressed in parts per million (ppm) or milligrammes per cubic meter, that represents the maximum level from which one could escape within 30 minutes without any escape-impairing symptoms or irreversible health effects.
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- Part of Speech: noun
- Synonym(s):
- Blossary:
- Industry/Domain: Fire safety
- Category: Prevention & protection
- Company: NFPA
- Product:
- Acronym-Abbreviation:
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