Science Fair Project Encyclopedia
IDLH
IDLH, an environment Immediately Dangerous to Life and Health, defined by OSHA as follows: "an atmospheric concentration of any toxic, corrosive or asphyxiant substance that poses an immediate threat to life, would cause irreversible adverse health effects, or would interfere with an individual's ability to escape from a dangerous atmosphere." Examples include smoke or poisonous gases. Does not technically include areas with oxygen deficiency (below 19.5 percent) where breathing apparatus is also required.
External References
- OSHA 29 CFR 1910.120(a)(3) (Definitions)
- OSHA 1910.134(b) (Respiratory protection definitions)
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details