A new federal report says that a massive building at the Hanford Nuclear Site is worse off than managers thought. The so-called PUREX -- Plutonium Uranium Extraction -- plant isn’t clean. Starting in ...

May 9, 2017 Updated Tue., May 9, 2017 at 8:23 p.m. This interior view of the PUREX Plant - shows the "canyon" in past years when irradiated fuel was chemically processed for recovery of plutonium and ...

The huge PUREX processing plant at Hanford is at risk of releasing radioactive contamination into the environment the longer it remains standing, according to a new Department of Energy report. The ...

Most employees who were sheltering in place for the morning were sent home from the Hanford site early Tuesday afternoon, including those in the 200 East area closest to the tunnel cave-in at the ...

An emergency was declared at the Hanford nuclear reservation in Eastern Washington state on Tuesday after the roof of a tunnel used to store highly radioactively contaminated waste collapsed. Several ...

1965-Aerial view of the Purex solvent extraction plant at the Department of Energy's Hanford Site, where plutonium is recovered from irradiated uranium as a product for the nation's defense program.

The second Hanford PUREX plant tunnel storing highly radioactive waste has been stabilized to prevent a collapse. Work to fill the tunnel with concrete-like grout began in early October and was ...

A section of roof collapsed over a tunnel containing radiological materials on May 9 at the Dept. of Energy’s Hanford nuclear waste site in southeast Washington. DOE declared a site area emergency for ...