Emissions of hydrogen sulfide raise health concerns in communities near California's largest lake, researchers say.

Conditions at Leesville Lake could result in the release of unhealthy hydrogen sulfide gases, the U.S. Army Corps of ...

But a regional air regulator says its comprehensive, real time data show safe levels near the drying water body, California's largest.

But the problem persists — an H2S monitor placed by a reporter in one yard measured the gas frequently soaring above the state limit this spring. The Texas Commission on Environmental Quality ...

The result: a next-generation hydrogen sulfide detector capable of sensing trace gases at 2 ppm with a lightning-fast response time of less than 10 seconds—an achievement that pushes the ...