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Food contamination Sea contamination

Marine soil contamination outside of 20km area hasn’t decreased since last September

According to Tepco, Cs-134/137 in marine soil (outside of 20km area) hasn’t decreased since 9/1/2012. On 5/17/2013, Tepco published the marine soil contamination data. They took the samples (Dry soil)


Honorary director of Hokkaido cancer center “Primary radiology will no longer be developed in JP”

On 5/12/2013, honorary director of Hokkaido cancer center, Nishio commented primary radiology will no longer be developed in Japan. He had a speech in Koriyama city Fukushima. He stated, Primary

Contaminated water crisis

27.5 m3 of contaminated water overflowed from tank of reactor5&6, “Forgot to switch the tanks”

According to Tepco, they had 27.5 m3 of contaminated water overflowed from the tank of reactor5 and 6. Tepco states Cs-137 and total β were lower than the detectable levels,

Core removing struggle Plant hazard

Reactor1 temperature rised after nitrogen gas injection

Since 5/14/2013, Fukushima Diary has been reporting the unusual increase of temperature in reactor1. (cf, Reactor1 reaching 49℃, increased by 3℃ within 24 hours [URL]) On 5/17/2013, Tepco reported the

Contaminated water crisis

Radiation level jumped over 7 times much around multiple nuclide removing system 6 weeks after test operation

In order to purify the increasing contaminated water, Tepco is planning to install ALPS (Advanced Liquid Processing System). The system is to remove 62 sorts of multiple radionuclides including Sr-90.

Core removing struggle

[Mysterious reactor2] Tepco couldn’t purge hydrogen gas from suppression chamber

Tepco injected nitrogen gas into the suppression chamber of reactor2 from 5/14 to 5/17/2013. (cf, Tepco to start nitrogen gas injection into reactor2 for the first time, “Not knowing the