The clean-up after the Fukushima nuclear disaster could cost five times more than estimated, figures have revealed, as Tokyo Electric Power (TEPCO) said yesterday that steam had been seen again in a reactor building.
It is the third time steam has been observed in the battered structure over the past week.
The government-backed National Institute of Advanced Industrial Science and Technology said decontamination work in Fukushima Prefecture will cost up to ¥5.81 trillion (US$58 billion), far more than the ¥1 trillion the government has so far allocated.
The institute, in a report released on Tuesday, said the costs — including for transportation and storage of radiation-contaminated soil over a large area — would range between ¥3.13 trillion and ¥5.81 trillion.
“We hope the study will be helpful in drafting plans for decontamination of forests and farmland, as well as plans for residents to return to their homes,” the institute said.
The study calculated costs for several decontamination models, including one under which surface soil on farmland is removed and stored elsewhere, and another that would only see that soil turned over.
“It’s important to examine the effects of several decontamination scenarios” as the ratio of evacuees who plan to return depends on the level of radiation after decontamination work, it said.
As the report was released, government officials scolded TEPCO on Tuesday for a delay in admitting that radiation-polluted groundwater was flowing into the sea.
Earlier this month, the utility had reported spiking levels of possibly cancer-causing materials in soil from underneath the plant, but maintained that toxic groundwater was likely contained. On Monday it admitted its own study, completed days earlier, revealed the groundwater was leaking into the ocean, prompting criticism over the delay.
Japanese Minister for Economy, Trade and Industry Toshimitsu Motegi told reporters on Tuesday the slow release of data by TEPCO was “extremely deplorable,” while Japanese Chief Cabinet Secretary Yoshihide Suga said: “This kind of data should be disclosed quickly.”
Yesterday, TEPCO said workers had noticed steam around the fifth floor of the building housing Reactor No. 3, which was wrecked by the tsunami of March 2011. It was the second time in two days and the third time in a week that steam had been observed.
The firm has said there has been no increase in the amount of radioactive material being released, although it does not know where the steam is coming from.
TEPCO said it was looking at the possibility that accumulated rainwater had been the source.
Republican US lawmakers on Friday criticized US President Joe Biden’s administration after sanctioned Chinese telecoms equipment giant Huawei unveiled a laptop this week powered by an Intel artificial intelligence (AI) chip. The US placed Huawei on a trade restriction list in 2019 for contravening Iran sanctions, part of a broader effort to hobble Beijing’s technological advances. Placement on the list means the company’s suppliers have to seek a special, difficult-to-obtain license before shipping to it. One such license, issued by then-US president Donald Trump’s administration, has allowed Intel to ship central processors to Huawei for use in laptops since 2020. China hardliners
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