Arab and Boaz Fire Departments enhance safety with new air monitors to detect hazardous gases for improved emergency response ...

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 ...

The effects of extended exposure to hydrogen sulfide — long linked to headaches, nausea, difficulty breathing and other symptoms — are not fully understood, UCSD researchers said.