IDLH


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IDLH

Abbreviation for Immediate Danger to Life and Health level.

immediately dangerous to life and health air concentration value

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IDLH

The presence in the atmosphere of any inhalable agent capable of causing severe injury or death after a brief exposure to it. In operational terms, the presence of any airborne contaminant that people should avoid unless they have access to respiratory protection.
References in periodicals archive ?
Documentation for Immediately Dangerous to Life or Health Concentrations (IDLH): NIOSH Chemical Listing and Documentation of Revised IDLH Values (as of 3/1/95) [Online].
IDLH is defined as a condition "that poses a threat of exposure to airborne contaminants when that exposure is likely to cause death or immediate or delayed permanent adverse health effects or prevent escape from such an environment (Bolinger, 2004; NIOSH, 2007).
The IDLH references "conditions that pose an immediate threat of severe exposure to contaminants.
In most cases the LOC is arrived at by taking one-tenth of the IDLH level.