They found a hot spot in Setagaya ku Tokyo. (1.5m high from the ground, 2m wide.)
It is on the pavement, and between a kindergarten and a nursery school.
According to a ward council, Tanaka Yuko, it was 4.699 uSv/h. (Source)
However, NHK reported the dose of after decontamination, which is 2.8 uSv/h. (Source)
NHK reports, they decontaminated it but it did not reduce the radiation level so much, and it was still 2.707 uSv/h after all, but that’s not weird at all because 2.8 uSv/h was the number of after decontamination already. (Still it’s higher than Minami soma shi)
NHK adds more lies.
Even if you are exposed to 2.7 uSv/h for 8 hours a day, the total annual dose is “only” 14.2 mSv.
Their new “safety” limit is 20 mSv.
14.2 mSv is less than 20 mSv ,so it is not harmful at all.
As a matter of fact, nobody has ever voted for the 20 mSv/y policy.
Mr. Koide assumes that 80 in 10,000 people will die of 20 mSv/y policy.
If the death rate of cancer is 10%, there will be 800 people have cancer in 10,000.
If the rate of cancer is 25%, there will be 3,200 people will be sick (but not diagnosed as cancer) in 10,000.
This is almost the same rate as hey fever.
Some people suggest it might be ash from the Tokyo south sludge plant in Ohta ku, where burn highly radioactive sludge.
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About this site
This website updates the latest news about the Fukushima nuclear plant and also archives the past news from 2011. Because it's always updated and added live, articles, categories and the tags are not necessarily fitted in the latest format.
I am the writer of this website. About page remains in 2014. This is because my memory about 311 was clearer than now, 2023, and I think it can have a historical value. Now I'm living in Romania with 3 cats as an independent data scientist.
Actually, nothing has progressed in the plant since 2011. We still don't even know what is going on inside. They must keep cooling the crippled reactors by water, but additionally groundwater keeps flowing into the reactor buildings from the broken parts. This is why highly contaminated water is always produced more than it can circulate. Tepco is planning to officially discharge this water to the Pacific but Tritium is still remaining in it. They dilute this with seawater so that it is legally safe, but scientifically the same amount of radioactive tritium is contained. They say it is safe to discharge, but none of them have drunk it.