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Valve failure at center of U.S. Steel Clairton plant explosion

U.S. Steel released preliminary findings about the potential cause of the deadly explosion at U.S. Steel Clairton Coke Works ...

Gas valve failure during routine maintenance work likely led to explosion at coke plant, US Steel says

U.S. Steel says preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing ...

Tiny chemical safety board, battling to keep funding, launches probe of Clairton explosion

The Chemical Safety and Hazard Investigation Board’s probe into the deadly explosion at the Clairton Coke Works could take a ...
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U.S. Steel: Gas-valve failure likely cause of deadly explosion at Clairton Coke Works

U.S. Steel says it believes a gas valve failure led to the explosion Monday morning at its Clairton Coke Works, in which two ...

U.S. Steel Plant Explosion May Have Occurred While Flushing Gas Valve

The company said pressure likely built up inside the valve, causing it to fail and leading to coke oven gas filling the area, ...

Gas valve failure during routine maintenance may have led to fatal blast at plant, US Steel says

Preparations for a routine maintenance task may have led to an explosion at a U.S. Steel coal-processing plant near Pittsburgh that left two dead and sent 10 to hospitals, the company said Friday. U.S ...