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Allegheny County deploys mobile air quality monitors near Clairton Coke Works

The health department began deploying mobile air units Thursday provided by Pennsylvania’s Department of Environmental ...

2nd person killed in U.S. Steel explosion remembered as loving man with strong faith

Family members tell Pittsburgh's Action News 4 Steven Menefee, a father of two, was a loving man who would give you the shirt ...

Air quality concerns linger in the wake of plant explosion

Allegheny County is increasing air quality monitoring after an explosion at a U.S. Steel plant south of Pittsburgh killed two ...

Allegheny County steps up pollution checks after Clairton blast

Regulators are temporarily stepping up pollution monitoring in the Mon Valley after a deadly explosion at U.S. Steel’s ...

After Fatal Explosion, Focus Turns to Steel Mill’s Future and Past

The mill, which is part of the recent merger between U.S. Steel and Nippon Steel, has faced scrutiny from federal and local ...

Massive rescue effort led to pulling workers from debris of Pennsylvania steel plant explosion

Workers were heating coal and preparing for routine maintenance when an explosion rocked a U.S. Steel plant outside ...