Brian Doyle remembers the explosion that hurled him to the coke plant’s floor — but little else from that day. It was a Wednesday — July 14, 2010 — and Doyle, a steamfitters union member and contractor for Power Piping,

Channel 11 spoke exclusively with United Steelworkers Local 1557 Vice President Richard Tikey, sharing his reaction to new details in the investigation into the deadly explosion at the 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 workers died and 10 others were injured.

The second person killed in Monday’s deadly explosion at the U.S. Steel Clairton Coke Works has been identified.

An explosion at US Steels Clairton Coke Works in Allegheny County, Pennsylvania, injured several people but caused no reported fatalities. The facility, located near Pittsburgh, is the largest coking operation in North America.

The U.S. Steel plant in Clairton, Pa., where an explosion killed two workers and injured 10 on Monday, has a history of maintenance issues, explosions and environmental violations.