Federal investigators detail what led to a deadly chemical release at the Pemex Deer Park Refinery.

The U.S. Chemical Safety and Hazard Investigation Board (CSB; Washington, D.C.; today released its final investigation report into the fatal ...

An investigation by the Chemical Safety Board said PEMEX is at fault in the deadly hydrogen sulfide poisoning of two refinery ...

The lack of a standard system for correctly identifying idled equipment at Pemex's Deer Park, Texas, refinery led to a poison ...