The CSB has not determined whether the valve failures occurred before or were the result of the explosion on Aug. 11, which ...

The federal board investigating the fatal August explosion at the Clairton Coke Works says the incident happened when a crew ...

More than a month after the deadly U.S. Steel Clairton plant explosion, investigators are revealing new insight into how it ...

CSB updates on the fatal explosion at U.S. Steel Clairton Coke Works, focusing on the role of an old valve in the incident.

A massive fire erupted at a Chevron oil refinery three miles south of Los Angeles International Airport Thursday night just ...

Over the last five years, Chevron's El Segundo refinery has 46 violations of environmental safety rules; over the last decade ...

The deadly wood dust explosion and fire at a Nebraska pellet plant was a “terrible tragedy” made more so by findings that at ...

A spokesperson for the Chemical Safety Board, which would normally investigate these incidents, couldn't comment because they ...

The U.S. Chemical Safety Hazard and Investigation Board, or CSB, investigates root causes of serious chemical accidents and makes recommendations for preventing similar events. The Trump ...

Investigators from the U.S. Chemical Safety Board today concluded the initial field investigation of the fatal accident at T2 Laboratories Inc. Among investigators' findings thus far is that 33 people ...