An update shared by the U.S. Chemical Safety and Hazard Investigation Board revealed the two workers who died were trying to ...

The chlorine in the bleach chemically reacts with (oxi- dizes) the hydrogen sulfide eliminating the "rotten egg" odor. Chlorine bleach also reacts with iron or manganese, and disinfects water supplies ...

Today, the U.S. Chemical Safety and Hazard Investigation Board (CSB; Washington, D.C.; released a second update on its ongoing investigation ...

A chemical leak at a PEMEX oil refinery in ... The leak happened around 4:20 p.m., sending hydrogen sulfide – a colorless and potentially toxic gas – seeping into the air at the plant ...