Washington River Protection Solutions, a contractor at the Hanford site, says two of its employees were taken to a hospital after they complained of coughing and throat irritation.
The state's administrative order would require the federal government to begin pumping nuclear waste out of the leaking tank 18 months sooner than the Department of Energy proposed.
The Department of Energy says the Waste Sampling and Characterization Facility at the Hanford site will close within a year. According to DOE, using offsite labs to analyze waste samples will save around $12 million a year.
Gov. Jay Inslee and U.S. Energy Secretary Ernest Moniz met Monday morning to discuss the Department of Energy's draft cleanup plan, but Inslee released a statement saying the proposal fell short of what the state requested.
The group Hanford Challenge is criticizing the Department of Energy's plan to take at least two years to pump out the leaking nuclear waste storage tank at the site.
Officials say the nuclear waste is leaking between the walls of a double-walled storage tank. None of the waste is believed to have escaped into the nearby soil.
The Obama administration released its proposed Hanford cleanup budget for the 2015 fiscal year Tuesday - and it's a sizable cut. KEPR looked into how the decrease will affect the cleanup and the Tri-Cities' economy.
New documents show some newer nuclear waste storage tanks at the Hanford site could leak.
The U.S. Department of Energy says members of the public can register online beginning in March for public tours of Hanford cleanup sites and the B Reactor.
Donna Busche, who filed a complaint in 2011 about safety issues at Hanford, was fired Tuesday from her job at the nuclear site.
The Hanford Waste Treatment Plant Project will hold a career fair in Richland Feb. 21 to fill more than 200 new positions in engineering, construction, and other fields.
The U.S. Department of Energy will make changes to its waste management practices at Hanford to align them with Washington state regulations.
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.