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Private Companies Pitch New Ways To Store USA’s piling up nuclear wastes

As Nuclear Waste Piles Up, Private Companies Pitch New Ways To Store It,  NPR, JEFF BRADY  1 May 19, Congress is once again debating how to dispose of the country’s growing inventory of nuclear waste. Sen. John Barrasso, R-Wyo., is proposing legislation that would jump-start licensing hearings for the Yucca Mountain nuclear waste storage site in Nevada. The Trump administration also is asking Congress for money to resume work on that decades old project.But that may not end local opposition or a longstanding political stalemate. And in the meantime, nuclear plants are running out of room to store spent fuel.

Running out of room

The Peach Bottom Atomic Power Station in south-central Pennsylvania illustrates the problem. It’s one of 80 sites, across dozens of states, where nearly 80,000 metric tons of waste from power plants is stored where it was generated, at taxpayer expense.

Spent fuel removed from the Peach Bottom reactor is first stored in racks in a big pool. It’s surrounded by a bright yellow plastic barrier and signs that read “Caution: Radiation Area.”

“They are under about 22 feet of water,” says reactor engineering manager Mark Parrish. “They are continuously being cooled, as they still have some amount of decay heat even after they’ve operated in the reactor.”

The spent fuel stays here for seven to 10 years while it cools.

Once it’s safe to remove the spent fuel from the pool, it’s stored outside in white metal casks that look like big hot water heaters. They are lined up on a concrete base behind razor wire and against a hillside near the power plant.

Currently there are 89 casks at Peach Bottom with room for three more, says Pat Navin, site vice president for Exelon, the company that partially owns and operates the power plant.

“That is 40 years worth of spent fuel stored over there currently and it’s less than the size of a football field,” says Navin. “Probably half a football field.”…….

without a permanent disposal site, Navin says they’re going to run out of room. So they’re expanding the temporary storage to hold all the waste generated through the 60 years the plant is licensed to operate…..

Private companies propose their own storage plans

As the waste piles up, private companies are stepping in with their own solutions for the nation’s radioactive spent fuel. One is proposing a temporary storage site in New Mexico, and another is seeking a license for a site in Texas.

But most experts agree that what’s needed is a permanent site, like Yucca Mountain, that doesn’t require humans to manage it.

“Institutions go away,” says Edwin Lyman, acting director of the Nuclear Safety Project at the Union of Concerned Scientists. “There’s no guarantee the owner will still be around for the duration of time when that waste remains dangerous, which is tens or hundreds of thousands of years.”

A California company says it has a viable plan for permanent storage. Deep Isolation wants to store spent fuel in holes drilled at least 1,000 feet underground in stable rock formations. The company says the waste would be separate from groundwater and in a place where it can’t hurt people.,,,,,,

Regulators require retrieval, because new technology could develop to better deal with the spent fuel. And the public is less likely to accept disposal programs that can’t be reversed, according to the International Atomic Energy Agency.

Proving the waste can be retrieved may be the easy part. The bigger challenge is federal law, which doesn’t allow private companies to permanently store nuclear waste from power plants.

Current law also says all the waste should end up at Yucca Mountain in Nevada. By contrast, Deep Isolation’s technology would store waste at sites around the country, likely near existing nuclear power plants.

“I just don’t see how there would be political support from every other state, other than Nevada, for changing the law, so that spent nuclear fuel could stay in your state forever,” says Lyman.

Despite the law, all that waste in dozens of states is staying put for now. https://www.npr.org/2019/04/30/716837443/as-nuclear-waste-piles-up-private-companies-pitch-new-ways-to-store-it

May 2, 2019 - Posted by | USA, wastes

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