What to know about the hydrogen sulfide gas leaking from Texas oil sites ... I prioritize efforts to ensure their safety and ...

NASA's Office of the Chief Health and Medical Officer (OCHMO) assembled a small working group to review hydrogen sulfide (H 2 S) Spacecraft Maximum Allowable Concentration (SMAC) values.

INQUIRIES: U.S. Chemical Safety Board launches investigation ... about the deadly release of hydrogen sulfide gas," the complaint read. "Defendants failed to sound the plant-wide alarm, which ...

Since the end of November, the San Diego Air Pollution Control District has measured hydrogen sulfide levels above the California safety threshold ... of cyanide gas from the Tijuana River.

Since they came online, the air monitors have repeatedly detected levels of hydrogen sulfide – one of the main chemical components of sewer gas – above the state threshold of 30 parts per ...