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Gas valve failure during routine maintenance work may have led to fatal explosion, 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 ...

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, ...
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‘It Didn’t Have to Be This Way’: After Another Explosion at Clairton Coke Works, Advocates Call for Accountability

The deadly blast at the U.S. Steel facility outside Pittsburgh was just the latest in a series of recent workplace accidents.

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 ...
Axios on MSN44m

U.S. Steel: Gas valve failure led to fatal Clairton explosion

A gas valve failure caused the explosion at Clairton Coke Works on Monday morning that killed two people, U.S. Steel said Friday. Why it matters: The massive Mon Valley facility — one of the largest ...