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3.3.165* Immediately Dangerous to Life and Health (IDLH)
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A concentration of airborne contaminants, normally expressed
in parts per million (ppm) or milligrams 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. [55,2020]
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Related Code Sections
3.3.158* Definitions, Immediately Dangerous to Life and Health (IDLH)
level from which one could escape within 30 minutes without any escape-impairing symptoms or irreversible health effects. [55, 2016] ...
3.3.165* Definitions, Immediately Dangerous to Life and Health (IDLH)
level from which one could escape
within 30 minutes without any escape-impairing symptoms or
irreversible health effects. [55,2020] ...
63.1.3.31 Compressed Gases and Cryogenic Fluids, Immediately Dangerous to Life and Health (IDLH)
See 3.3.165 ...
63.1.3.31 Compressed Gases and Cryogenic Fluids, Immediately Dangerous to Life and Health (IDLH)
See 3.3.158 ...
53.2.3.3.13 Mechanical Refrigeration,
Discharges capable of exceeding 25 percent of the
LFL or 50 percent of the immediately dangerous to life and
health (IDLH) value shall be equipped ...