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 previously ...

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 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 ...

A truck driver, Durville Prelow, claimed he experienced symptoms related to hydrogen sulfide exposure, and was unaware a leak had occurred until he got home and saw it reported on the news ...

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 ...