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U.S. Steel has released new details on what investigators believe caused the explosion at the Clairton Coke Works plant that ...
"Pressure built inside the valve, leading to valve failure and coke oven gas filling the area and ultimately exploding when ...
U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...
The company said pressure likely built up inside the valve, causing it to fail and leading to coke oven gas filling the area, ...
U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...