U.S. Steel Contests OSHA Violations Stemming from Deadly August 2025 Clairton Coke Works Explosion

U.S. Steel has contested citations issued by the U.S. Occupational Safety and Health Administration (OSHA) stemming from the deadly August 2025 explosion at the Clairton Coke Works.

The OSHA website shows the company has contested all 10 of the violations - nine of which were related to subpar safety procedures and employee training, and one was for failing to provide the agency with required reports as required.

U.S. Steel was fined $118,000 for those violations.

One of U.S. Steel’s contractors - MPW Industrial Services - was cited nine times in relation to the explosion and fined $68,000. The OSHA website shows MPW also contested those violations.

We continue to follow this issue closely. For more information on the explosion, visit GASP’s resource page here.

Editor’s Note: The OSHA website also shows OSHA again inspected the Clairton Coke Works on April 8 based on a complaint made to the agency. It is still listed as open. Here’s what we know: