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Feds adopt plans for disposing of Hanford nuclear waste via King5.com

SPOKANE, Wash. — The U.S. Department of Energy intends to retrieve nearly all the highly radioactive waste stored in underground tanks on the Hanford Nuclear Reservation and convert it into a glass-like substance for permanent disposal, according to a decision that will be published Friday.
The decision covers the nation’s biggest collection of radioactive waste, held in 177 underground tanks at the sprawling reservation near Richland that has been engaged in environmental cleanup for the past two decades. The material is left over from the production of plutonium for nuclear weapons.
The document said the Energy Department intends to retrieve 99 percent of the stored waste and close up the tanks. Some of the tanks date back to World War II and have leaked.
It’s necessary to remove the radioactive material to avoid future leaks into groundwater and other safety concerns, the decision says.
The dangerous waste will eventually be converted into a glass-like substance at a $12 billion plant whose construction on the Hanford site is stalled by safety concerns. The glassy logs are intended to be buried in a national repository, the location of which is still undetermined.
The tanks will be “landfill closed,” which means they will be filled with grout, stabilized and left in place. It was deemed too expensive and dangerous to have workers actually dismantle the highly radioactive tanks, said Suzanne Dahl, tank waste manager for the state Department of Ecology.
“We cannot have people up there with blowtorches,” she said.
The Energy Department said it also intends to dismantle the aboveground portions of the Fast Flux Test Facility reactor and “entomb” the underground portions of the closed research reactor.

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  1. norma field says

    Note that the solution, so-called, depends on construction of a facility long “stalled by safety concerns.”



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