A low-level reading of hydrogen sulfide, a toxic, flammable gas known for its rotten egg smell, was detected at the ...

Preliminary investigations into the deaths of six people at a Northern Colorado dairy farm point toward the dairy farm workers being exposed to the toxic gas known as hydrogen sulfide, or "H2S." The ...

SAN DIEGO (FOX 5/KUSI) — It’s in the water, it’s airborne and it’s getting people sick. The Tijuana River is not just a nuisance, it’s a health hazard, according to newly peer-reviewed findings ...

“TJ River Stench” written on the ground next to a “hot spot” where scientists measured high levels of hydrogen sulfide gas in the Tijuana River. It’s located just south of Berry Elementary on Nov. 20, ...

Getting your Trinity Audio player ready... The toxic gas eyed as a possible culprit in the deaths of six dairy workers in Weld County last week is an infrequent but potentially dangerous feature of ...