FILE - In this Aug. 13, 2019, file photo, a sign at the Hanford Nuclear Reservation is posted near Richland, Wash. Officials say an underground nuclear waste storage tank that dates to World War II appears to be leaking contaminated liquid into the ground. The U.S. Department of Energy said Thursday, April 29, 2021, that Tank B-109 holds 123,000 gallons of radioactive waste left from the production of plutonium for nuclear weapons on the Hanford Nuclear Reservation. (AP Photo/Elaine Thompson, File)
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