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Update on Fatal U.S. Steel Clairton Plant Explosion Investigation Cites Valve Failure

Summary by WTAE
The U.S. Chemical Safety and Hazard Investigation Board provided an update Monday on its investigation into the fatal U.S. Steel Clairton Coke Works facility explosion that occurred last month.

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WTAEWTAE
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Update on fatal U.S. Steel Clairton plant explosion investigation cites valve failure

The U.S. Chemical Safety and Hazard Investigation Board provided an update Monday on its investigation into the fatal U.S. Steel Clairton Coke Works facility explosion that occurred last month.

·Pittsburgh, United States
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Pittsburgh Post-GazettePittsburgh Post-Gazette
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Federal investigators zero in on cast iron valve in U.S. Steel's Clairton explosion

The U.S. Chemical Safety Board investigating the Aug. 11 explosion at Clairton Coke Works said it is focusing on the metallurgic analysis of the failed...

·Pittsburgh, United States
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Pittsburgh Post-Gazette broke the news in Pittsburgh, United States on Tuesday, September 30, 2025.
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