The leading cause of the incident was a lack of proper identification of the piping, the board found. While the refinery provided drawings and lists of the flanges, they were not sufficient to help ...

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 workers.

MULTIPLE failures led to a “completely preventable” labelling error that caused a fatal release of hydrogen sulfide at a Pemex oil refinery in Texas in 2024, a US investigation has concluded.

HOUSTON — Brenham emergency officials briefly issued a shelter-in-place order for residents near Oil Field Road after workers drilling a water well struck pockets of hydrogen sulfide (H2S) and oil, ...

The toxic gas eyed as a possible culprit in the deaths of six dairy workers in Weld County last week is an infrequent but potentially dangerous feature of this type of agricultural work, while experts ...

In August, tragedy struck rural Weld County when six workers at a dairy east of Keenesburg died from exposure to hydrogen sulfide gas. On Aug. 20, Oscar Espinoza Leos, 17; Carlos Espinoza Prado, 29; ...