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.
A Hanford watchdog group obtained a scathing report from the Environmental Protection Agency. It criticizes the performance of Washington state's inspectors who cover the waste site.