A tank storing radioactive waste at the Hanford nuclear site in Washington state is leaking liquids, the U.S. Department of Energy has determined.
The leaking tank was built in the 1940s and contains 447,000 gallons of sludge. It's the first tank found to have a leak since 2005, and it's leaking liquids at a range of 150 to 300 gallons per year, according to the Washington governor's office.
Washington Gov. Jay Inslee said there is no immediate public health risk and no emergency, but the issue requires attention as soon as possible.
"This was a problem we thought was under control, years ago, when the liquids were pumped from the tanks and the sludge was stabilized," Inslee said in a written statement. "We can't just leave 149 single-shell tanks with high-level radioactive liquid and sludge siting in the ground for decades after their design life."
Inslee wants Congress to provide funding to deal with the tanks.
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