Approximately three gallons of low-activity Hanford tank waste were vitrified at PNNL's Radiochemical Processing Laboratory in April. The laboratory-scale demonstration is an important step toward the ...

The 56 million gallons of radioactive waste created from decades of plutonium enrichment at Hanford are stored in 177 massive, underground tanks on 18 different “farms” spread out over the 580 square ...

A third aging underground tank at the Hanford nuclear site is suspected of leaking highly radioactive and hazardous chemical waste into the ground, the Department of Energy said Thursday. “This is ...

The last piece of piping has been installed to move radioactive waste to the Hanford site vitrification plant, as final preparations are made to begin treating waste for disposal that has been stored ...

Hanford site workers have reached a key environmental cleanup milestone, emptying radioactive waste from a second tank farm. “This is an important moment in our Hanford cleanup effort,” said Brian ...

SPOKANE, Wash. — A deal to address two nuclear waste storage tanks that are leaking radioactive materials into the soil in Washington state was reached Thursday between the state and the U.S.

Two options that might speed up removal of radioactive waste from leaking underground storage tanks at Hanford will be evaluated, according to the terms of a settlement agreement reached Wednesday.