Immediate Danger to Life and Health level

Im·me·di·ate Dan·ger to Life and Health lev·el

(IDLH) (i-mē'dē-ăt dān'jĕr līf helth lev'ĕl)
Exposure levels to toxic agents set by the U.S. National Institute of Occupational Safety and Health at which serious illness or death may occur.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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