Pemex, the Mexican state-owned oil refinery, reported to Texas regulators that it released 43,500 lbs of highly toxic hydrogen ...

Pemex's Deer Park oil refinery near Houston discharged 43,500 pounds of highly toxic hydrogen sulfide gas over more than ...

The Deer Park refinery of the Mexican national oil company Pemex, near Houston, will be operating at a reduced level this ...

Harris County Commissioner Adrian Garcia was among those who said PEMEX's failures in communication led to residents ...

Mexican national oil company Pemex's Deer Park oil refinery near Houston will operate this weekend at a low level following a deadly chemical leak a couple days ago, the company said in a statement ...

DEER PARK, Texas -- Two workers killed when hydrogen sulfide leaked at a Houston-area oil refinery were employees of a subcontractor performing maintenance work, the director of Pemex, Mexico's ...

After a deadly hydrogen sulfide gas leak at the PEMEX oil refinery in Deer Park, the area's shelter in place directive has ...

Following a release of chemicals at the PEMEX facility in Deer Park, several surrounding residents sought medical treatment, according to Houston attorney Ryan Zehl.

What is the potentially deadly gas that was realeased at the Deer Park Pemex facility.

The Pemex refinery chemical leak killed 2, injured dozens and forced shelter-in-place orders in Deer Park and Pasadena. They have since been lifted.

A chemical leak at a PEMEX oil refinery in Deer Park, Texas, on Thursday killed two workers and injured several others, ...

A hydrogen sulfide gas release at PEMEX's Deer Park facility resulted in two fatalities and several hospitalizations.