Eleven years after the Fukushima Daiichi nuclear power plant was ravaged by a meltdown following a massive earthquake and tsunami, most of the radioactive debris blasted by hydrogen explosions has been cleared and torn buildings fixed
Tanks storing treated radioactive water after it was used to cool the melted fuel are seen at the Fukushima Daiichi nuclear power plant, run by Tokyo Electric Power Company Holdings , in Okuma town, northeastern Japan, Thursday, March 3, 2022. The government has announced plans to release the water after treatment and dilution to well below the legally releasable levels through a planned undersea tunnel at a site about 1 kilometer offshore.
Nuclear Regulation Authority Chairman Toyoshi Fuketa said recently that extra time would be needed to determine where and how the highly radioactive waste removed from the reactors should be stored.Japan has no final storage plans even for the highly radioactive waste that comes out of normal reactors. Twenty-four of the country's 60 reactors are designated for decommissioning, mostly because of the high cost needed to meet safety standards set up in the wake of the Fukushima disaster.
In February, a remote-operated submersible robot entered the Unit 1 primary containment vessel, its first internal probe since a failed 2017 attempt. It captured limited images of what are believed to be mounds of melted fuel rising from the concrete floor. Hideyuki Ban, the co-founder of the Citizens’ Nuclear Information Center who previously served on government nuclear safety panels, proposes the underground burial of solidified treated water for stable long-term storage, while entombing the three reactors for several decades — like Chernobyl — and waiting for radioactivity to decrease for better safety and access for workers instead of rushing the cleanup.
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