The incident occurred when a chemical reaction caused an explosion in the Plutonium Finishing Plant, also known as Z Plant, showering the 64-year-old with nitric acid and radioactive materials.

On June 8 approximately 350 Hanford workers were ordered to “take cover” after alarms designed to detect elevated levels of airborne radioactive contamination went off. It was quickly ...

Download the CBS 8 app Next up in Author: Associated Press Published: 9:54 AM PDT August 9, 2018 Updated: 10:07 AM PDT August 9, 2018 ...

The Hanford site Department of Energy manager who led much of the transition from weapons plutonium production to environmental cleanup has died. John D. Wagoner died June 6 in Knoxville, Tenn ...

Plans for cleanup of the Hanford nuclear reservation’s 56 million gallons of radioactive waste near Richland, WA are moving slowly forward. A public comment period for the latest plan ended this ...

Hanford workers make progress in 2023 on installing a new ventilation system at the REDOX plant at the Hanford nuclear site to allow continued cleanup in the former plutonium processing facility.

The 586-square-mile Hanford site adjacent to Richland was used from World War II through the Cold War to produce nearly two-thirds of the plutonium for the nation’s nuclear weapons program.

Broadcast: Thursday, Sept. 26 FILE: This is a World War II photo of the historic "B Reactor" at Hanford, Wash., which was the world's first plutonium production reactor.