Three Hanford Nuclear Reservation contractors announced a restructuring plan that could result in up to 450 layoffs.
A nuclear safety manager at the Hanford Nuclear Reservation has filed a new complaint alleging she has suffered retaliation since filing her original complaint in 2011.
The U.S. Department of Energy says just one of the older single-walled storage tanks at the Hanford Nuclear Reservation appears to be actively leaking.
Hanford workers have completed the removal of radioactive waste from another of the site's single-walled storage tanks.
Workers at the nation's most contaminated nuclear site could start receiving furlough notices Wednesday because of the partial government shutdown.
The U.S. Department of Energy is proposing more delays in the cleanup of the Hanford Nuclear Reservation, the nation's most polluted nuclear site, the agency said Wednesday.
Design changes at a new radioactive waste disposal plant at the country's most contaminated nuclear site in south-central Washington were not properly verified to ensure safety, the U.S. Department of Energy's Inspector General concluded in a report issued Thursday.
Six Hanford employees contracted under Washington River Protection Solutions were taken to the hospital Wednesday morning.
Government regulators and watchdog groups want more information about a new Department of Energy proposal to speed cleanup of the Hanford Nuclear Reservation, the nation's most polluted nuclear site.
The Department of Energy released its framework on Hanford cleanup.
A Department of Energy contractor says five drums holding low-level radioactive waste fell off a flatbed truck in the center of Hanford Monday but no contaminated material was released.
Hanford officials say unusual radiation readings that led them to declare an emergency operations alert last month came from old contamination.
Two Hanford workers were sent to a hospital Thursday morning as a precaution after developing respiratory symptoms that might be linked to chemical vapors from underground waste tanks.
An alert at Hanford sent four workers to the hospital. Radiation was detected while moving waste. This led to a rare emergency operations alert.
An emergency operations alert was activated at Hanford overnight after radiation was detected during a transfer from a waste tank.
Washington Attorney General Bob Ferguson says an appeals court decision on a nuclear repository in Nevada is good news for people who want a permanent place for Hanford waste.
More than 1,000 union workers at the nation's most contaminated nuclear site have rejected contract offers from five cleanup companies there.
An emergency siren will be tested on the U.S. Department of Energy's Hanford Site on Thursday, July 18, 2013.
The state of New Mexico has declined the Department of Energy's request for quick approval of a proposal to bring radioactive waste from Washington state's Hanford Nuclear Reservation to the Waste Isolation Pilot Plant near Carlsbad.
The U.S. Department of Energy (DOE) has agreed to improve waste handling practices and pay $136,000 in a settlement announced Tuesday by the U.S. Environmental Protection Agency.
For months now the KING 5 Investigators have exposed a Hanford contractor that may be putting your safety at risk. Action News is teaming up with KING 5 Seattle to dig deeper into Hanford's dirty secrets.
KING 5 investigators spent months looking into decisions made by Washington River Protection Solutions and whether it looked the other way when evidence showed there was a major problem on their hands.
The leak of AY-102 might make you wonder why this tank is so important. Continuing the investigation into Hanford's dirty secrets, Susannah Frame looked at why this double-shell tank is such a single risk.
KING 5 investigator Susannah Frame looked at whether bonus money is trumping safety at Hanford.
The investigative arm of congress is not happy with the way your dollars are being spent. Gary Chittim found the government accountability office has some real concerns about the agency running the cleanup at the site.
Susannah Frame looked into what would happen if a leak like that was ever discovered. She found Washington River Protection Solutions had no plan in place when an alarm signaled a double-shell tank was leaking dangerous waste.
So who knew what about the leaking tank - and when? Susannah Frame exposes how the truth about the tank was hidden from the Hanford advisory board.
Holding a parade usually requires a very simple permit. Pose a few questions and you're on your way. Gary Chittim found that same permit can move nuclear waste on and off the Hanford site.