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 ...

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

The device’s monitor will constantly display ambient hydrogen sulfide or carbon monoxide readings, shown in PPM, alerting users where these concentrations exceed high or low levels. Alarm setpoints ...

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 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 ...

Mark Roth's pioneering work on hydrogen sulfide has spawned Ikaria, a company exploring the molecule's potential to modulate the body's metabolism and perhaps one day turn hibernation into ...

A federal environmental public health agency said it will investigate the potential harm caused by exposure to hydrogen sulfide in the air near the sewage-tainted Tijuana River and issue ...

Federal pollution-reporting requirements are designed to guarantee that communities and emergency responders have access to information necessary to protect themselves against harmful exposure to ...