1800 tons of nuclear waste being stored under the sand at San Onofre?
  • 1800 tons of nuclear waste being stored under the sand at San Onofre?
  • Photograph by D Ramey Logan/Wikimedia Commons
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San Onofre Nuclear Generating Station may be retired, but to many area residents, it's a sleeping giant.

In July, it stirred. That's when its operator, Southern California Edison, was allowed to resume loading spent nuclear fuel into dry storage onsite, almost a year after a filled canister got stuck going down, and for 45 minutes, dangled 18 feet in the air.

Solana Beach, Carlsbad, and now Del Mar have leaped to pass resolutions that call for the state's help with their concerns and to put an end to the loading until certain safety conditions are met. "We're all in the risk zone," warned Del Mar councilmember Dwight Worden at the Sept 30 city council meeting.

Advancing waters, receding beach: Swimmer Meghan at post once buried in sand up to top of concrete. San Onofre in background

Advancing waters, receding beach: Swimmer Meghan at post once buried in sand up to top of concrete. San Onofre in background

But a new phase of decommissioning is coming. Once the irradiated fuel has been transferred to dry storage, Edison proposes to dismantle units 2 and 3, along with the spent fuel pool. And this, too, is risky.

According to a Coastal Commission staff report, a lot of foundation and other material would be covered with backfill. "Over time, coastal processes, exacerbated by sea level rise, could cause portions of remaining structures to become exposed, which would cause potential risk to public safety and marine life, as well as impacts to visual resources and public access."

The commission will recommend several conditions before approval of the permit.

Worden said the federal government was supposed to provide a long-term storage facility for the 3.6 million pounds of radioactive waste now in limbo. The casks and cooling pools weren't meant for the long haul. Edison "is putting the spent fuel in these casks and burying it down on the beach, basically in concrete."

Thirty-one canisters have been entombed in the storage vault and 42 more await transfer. A timeline says all of the waste was expected to be in dry cask storage by mid-2019.

It's the thin stainless steel casks, reportedly subject to gouging, that have caused the biggest uproar.

Del Mar's resolution calls for canister loading to be stopped until there is a loading and transfer system in place that meets requirements such as regular inspection of canisters, and stops using the thin-walled ones.

"We know from NRC reports that they are scratched and gouged as they are lowered into the storage cavity," said Cathy Iwane, a nuclear activist who lives in Del Mar. "Sea rise and naturally occurring water tables threaten to swamp and corrode" the 5/8" thick canisters.

"Of all the families living in Del Mar, I would venture that mine is the only one that has relocated after a nuclear disaster," Iwane said. She fled Japan after the Fukushima nuclear disaster in 2011.

"San Onofre is just as vulnerable to earthquakes and tsunamis."

Southern California Edison says it couldn't happen here because San Onofre, unlike Fukushima, is non-operational. And all that highly radioactive waste is safely contained, unable to breach the boundaries of the site.

When Solana Beach passed their resolution, representatives for the plant claimed that it was full of errors.

Like the other cities, Del Mar supports moving the waste inland, above the swirling seas. But since there is no such safe spot awaiting, and questions about the casks, and the risks of moving the waste to thicker canisters, tighter rules seem like the only way to help.

According to the Nuclear Regulatory Commission's timeline, the plant is now in the early phase of decontamination and dismantlemant, expected to last several more years. The final restoration work has to be done within 60 years, when its license is up.

"What seems inevitable is that San Onofre's waste, only 35 miles from here, will be stranded for generations at its oceanfront vault, exposed and vulnerable to the forces of man and nature," Iwane said.

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Comments

swell Oct. 8, 2019 @ 12:37 p.m.

Many concerned scientists are saying that nuclear energy is an important source as we rush to reduce carbon emissions. Future nuclear generators will be cleaner, safer, and produce less waste.

Unfortunately, a political boondoggle like this makes people wonder. This has been a comedy of errors from the start. Errors that have nothing to do with the design or engineering of the plant. Errors by management, government, and public disinformation. It looks to the public like nuclear will never work as advertised. That's a sad result as we look forward to extreme climate change.

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AlexClarke Oct. 9, 2019 @ 8:04 a.m.

By all estimates it will take 25 years to dismantle SONGS. The company management made a series of poor decisions that led to inferior products being installed at SONGS. The California PUC was and is so corrupt and incompetent that the were paid off and allowed the ratepayer to pick up the tab. When all added together my bet is that the nuclear produced electricity was very expensive per KWH. I remember when SONGS and nuclear energy was going to be cheap. Yea right.

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CaptainObvious Oct. 12, 2019 @ 7:49 p.m.

I don't know why everybody thinks it should go to Nevada. It's not their problem it's ours. I suggest Gavin Newsom's garage

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