The testing process, called “hot commissioning,” will introduce radioactive waste to the plant for the first time and verify ...

It's a legacy. It's a liability. A radioactive waste tank at the Hanford nuclear reservation is leaking and concerned that a long-planned plant to treat that waste is behind schedule and over budget.

As cleanup continues at the Hanford Nuclear Reservation, KOIN 6 News got an inside look at some of the big projects happening at the site that deal with highly radioactive waste.

Thousands of people are expected next year to tour the Hanford Nuclear Reservation, home of the world's first full-sized nuclear reactor, near Richland, about 200 miles east of Seattle in south ...

A company owned by Leidos, Centerra and Parsons has been awarded the $4 billion Hanford nuclear reservation contract for sitewide services as Mission Support Alliance’s contract is due to expire.

It's the second tank believed to be leaking waste left from the production of plutonium for nuclear weapons at the Hanford Nuclear Reservation. The first was discovered in 2013.

The Amentum-owned Hanford site tank farm contractor has awarded $19 million in nuclear reservation construction work to Richland’s Fowler General Construction.

During four decades of production, uranium rods and other nuclear waste were stored in 149 single-shell tanks, of which at least 68 have since sprung leaks. Hanford added 28 safer double-shell ...

The federal government built nine nuclear reactors at Hanford to make plutonium for atomic bombs during World War II and the Cold War. The site along the Columbia River contains America’s ...

The U.S. Department of Energy's Office of Environmental Management is responsible for managing and cleaning up the waste and contamination at the Hanford Nuclear Reservation, the nation's biggest and ...

The 500-square mile Hanford reservation was established by the Manhattan Project during World War II to make plutonium, a key ingredient in nuclear weapons. Hanford made the plutonium for the ...

Thousands of people are expected next year to tour the Hanford Nuclear Reservation, home of the world’s first full-sized nuclear reactor, near Richland, about 200 miles east of Seattle in south ...