“Pressure built inside the valve, leading to valve failure and coke oven gas filling the area and ultimately exploding when ...

Production at the facility could be affected for some time. Two of the plants six batteries of ovens were damaged in the ...

In the last five years, U.S. Steel has paid more than $10 million in penalties for violations of the Clean Air Act at ...

Brian Doyle remembers the explosion that hurled him to the coke plant’s floor — but little else from that day. It was a ...

The plant, a massive industrial facility along the Monongahela River south of Pittsburgh, is considered the largest coking ...

The preliminary findings say how the company believes the explosion occurred. A union statement cautioned the investigation is in its early stages.

The deadly explosion at Clairton Coke Works near Pittsburgh occurred when a gas valve was flushed before planned maintenance, ...