Nuclear Waste Program's efforts to oversee cleanup of one of the world's most complex nuclear sites. Join us as we look back ...

SEATTLE — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first atomic ...

The Department of Energy on Wednesday signed the paperwork needed to allow radioactive waste to be pumped into the Hanford nuclear site’s vitrification plant 23 years after construction began, said ...

Wash., used her powerful position in Congress to help Tri-Cities science, environmental and historical projects.

DOE starts vitrification at Hanford, converting tank waste into durable glass. Plant produced glass that meets disposal standards for lined landfill burial. Vitrification frees double-shell tank space ...

SEATTLE (AP) — For much of the 20th century, a sprawling complex in the desert of southeastern Washington state turned out most of the plutonium used in the nation’s nuclear arsenal, from the first ...

Sen. Maria Cantwell, D-Wash., listens to a briefing on tank waste technology during a tour of the Hanford nuclear reservation in April 2019. Bob Brawdy Tri-City Herald File Hanford begins tank waste ...

DOE was required by the legally binding Tri-Party Agreement to decide by Dec. 31 where to grout some of its low-activity ...

Encasing radioactive waste in glass -- called "vitrification" -- has been recognized since at least the 1980s as an effective method for neutralizing it. There are plans for two facilities at Hanford: ...