Add Yahoo as a preferred source to see more of our stories on Google. A third aging underground tank at the Hanford nuclear site is suspected of leaking highly radioactive and hazardous chemical waste ...

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.

An underground nuclear waste storage tank in Washington state that dates to World War II appears to be leaking contaminated liquid into the ground, the U.S. Department of Energy said Thursday. It's ...

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

KENNEWICK – The Department of Energy and Washington state have reached an agreement on steps to address radioactive waste suspected of leaking into the ground from a third storage tank at the Hanford ...

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 ...