For more information on SMACs, see the article "Exposure Guidelines (SMACs and SWEGs)—NASA" and the "OCHMO Spaceflight Toxicology technical brief." A SMAC value for hydrogen sulfide has not ...

The 56-year-old father of 12 was cleaning a tanker truck when he succumbed to the hydrogen sulfide gas last June. The state ...

The Charlotte company has been addressing the smell stirred up by its removing water from a dormant lithium pit mine.

Creative Commons (CC): This is a Creative Commons license. Attribution (BY): Credit must be given to the creator. Hydrogen sulfide is a toxic gas known for its foul odor and health risks, even at ...

Contra Costa County says a range of harmful chemicals were released, including some that pose risks for cancer and ...

Since the end of November, the San Diego Air Pollution Control District has measured hydrogen sulfide levels above the California safety threshold in the Nestor area more than 15 times.

The toxic gas is both lethal in high exposure and a tool for regulating our gut health, similar to carbon monoxide, except it smells bad. The U.S. Department of Health and Human Services compared the ...

The federal safety guidelines are hydrogen sulfide exposure, according to the agency, are: Occupational Health and Safety Administration: limit 20 parts-per-million with a max peak of 50 ppm ...