Federal safety agency issues final report into 2025 blast that killed 2 at Pennsylvania steel plant
PITTSBURGH (AP) — A federal safety agency recommended the development of written policies and procedures for flushing gas valves a year after a blast at a U.S. Steel plant near Pittsburgh killed two workers. The U.S. Chemical Safety and Hazard Investigation Board issued a final report into the August 2025 blast at Clairton Coke Works, which also injured 11 others, including contractors. U.S. Steel has said the explosion happened when workers were flushing a gas valve with pressurized water in preparation for routine planned maintenance at the sprawling riverside industrial ...