Legislation to add H2S to the EPA list, which would lead to pollution controls, has been introduced repeatedly by U.S. Rep. Yvette Clarke, a New York Democrat, without success.

Preliminary investigations into the deaths of six people at a Northern Colorado dairy farm point toward the dairy farm ...

This map depicts H2S concentrations measured on each oil and gas lease, not at the location of every well. It also does not depict whether, or where, any leaks are occurring or have occurred.

Incorporating H2S Monitoring Technology into Your Program Industrial hygiene safety programs exist to create and maintain a safe, healthy workplace for employees, and the new ACGIH recommendations ...