https://www.osha.gov/SLTC/hydrogensulfide/hazards.html

Hazards. Health Hazards. Hydrogen sulfide gas causes a wide range of health effects. ... PEL: permissible exposure limit (enforceable) (OSHA). ppm: parts per ...

https://www.osha.gov/SLTC/hydrogensulfide/standards.html

OSHA Standards. Hydrogen sulfide exposure is covered under the following OSHA standards: Worker Exposure Limits (Enforceable). General Industry: 29 CFR ...

https://ohsonline.com/articles/2011/09/01/monitoring-h2s-to-meet-new-exposure-standards.aspx

Sep 1, 2011 ... Reliable H2S measurements at sub-ppm levels and selectivity to ... of the new guideline and should be acceptable to government inspectors.

https://www.worksafebc.com/en/resources/health-safety/books-guides/hydrogen-sulfide-in-industry?lang=en&direct

With high levels of H2S, poisoning can be swift and ... by volume. H2S levels of 100 ppm and higher are considered ... and found to be at a safe level. Never use  ...

https://ohsonline.com/articles/2007/10/human-health-effects-from-exposure-to-lowlevel-concentrations-of-hydrogen-sulfide.aspx

Oct 3, 2007 ... OSHA and NIOSH have established workplace limits for hydrogen sulfide. OSHA established an eight-hour permissible exposure limit-time ...

https://www.cdc.gov/niosh/idlh/7783064.html

Basis for revised IDLH: The revised IDLH for hydrogen sulfide is 100 ppm ... and essential information for safe handling and use of hydrogen sulfide. ... Emergency and continuous exposure guidance levels for selected airborne contaminants.

https://www.atsdr.cdc.gov/phs/phs.asp?id=387&tid=67

People can smell hydrogen sulfide at concentrations as low as 0.5 parts of hydrogen ... OSHA set an acceptable ceiling limit of 20 ppm for hydrogen sulfide in ...

https://en.wikipedia.org/wiki/Hydrogen_sulfide

Hydrogen sulfide is the chemical compound with the formula H 2S. It is a colorless chalcogen .... Hydrogen Sulfide is also known to increase the levels of glutathione which acts to reduce or disrupt ROS levels in cells. In these early days in .... 20 ppm is the acceptable ceiling concentration established by OSHA. 50 ppm is the ...

https://www.blacklinesafety.com/blog/h2s-gas-need-know

Mar 24, 2017 ... Those having prolonged exposure to high enough levels of H2S gas to ... defines Permissible Exposure Limits (PELs) to H2S gas as follows:.

https://www.ccohs.ca/oshanswers/chemicals/chem_profiles/hydrogen_sulfide.html

What are other names or identifying information for hydrogen sulfide? ... and leave contaminated clothing, shoes and leather goods at the scene for safe disposal. ... A list of which acts and regulations that cover exposure limits to chemical and ...