Immediately Dangerous to Life or Health | NIOSH | CDC
WEBMay 10, 2019 · The Immediately dangerous to life or health air concentration values (IDLH values) developed by the National Institute for Occupational Safety and Health (NIOSH) characterize these high-risk exposure concentrations and conditions and are used as a component of respirator selection criteria first developed in the mid-1970s.
Table of IDLH Values | NIOSH | CDC - Centers for Disease Control …
WEBUntil this occurs, this list contains IDLH values based on both the 1994 revised criteria and CIB 66 [NIOSH 2014-100]. It is important to note which criteria was applied to develop a specific IDLH value.
Hydrogen sulfide - IDLH | NIOSH | CDC - Centers for Disease …
WEBThe revised IDLH for hydrogen sulfide is 100 ppm based on acute inhalation toxicity data in humans.
Ammonia - IDLH | NIOSH | CDC
WEBThe revised IDLH for ammonia is 300 ppm based on acute inhalation toxicity data in humans.
Historical Documentation - IDLH | NIOSH | CDC - Centers for …
WEBMar 21, 2017 · The Documentation for Immediately Dangerous to Life or Health (IDLH) Concentrations is a compilation of the rationale and sources of information used by NIOSH during the original determination of 387 SCP IDLH values.
Hydrogen cyanide - IDLH | NIOSH | CDC - Centers for Disease …
WEBSource: National Institute for Occupational Safety and Health. Based on acute inhalation toxicity data in humans, the IDLH for hydrogen cyanide (50 ppm) is not being revised at …
Carbon monoxide - IDLH | NIOSH | CDC - Centers for Disease …
WEBThe revised IDLH for carbon monoxide is 1,200 ppm based on acute inhalation toxicity data in humans.
WEBThe immediately dangerous to life or health (IDLH) airborne concentration values devel-oped by the National Institute for Occupational Safety and Health (NIOSH) characterize these high-risk exposure concentrations and conditions [NIOSH 2013].
Criteria for Determining IDLH Values | NIOSH | CDC
WEBRD50 data: An RD50 is defined as the 10-minute exposure concentration producing a 50% respiratory rate decrease in mice or rats and can be used to estimate severe respiratory irritation.
Carbon dioxide - IDLH | NIOSH | CDC - Centers for Disease Control …
WEBThe revised IDLH for carbon dioxide is 40,000 ppm based on acute inhalation toxicity data in humans.