[Emergency] Coolant system of reactor 4 stopped

14:44  4/12/2012, Coolant system of reactor 4 stopped. If you are in Japan, please prepare for evacuating just in case.

Emergency mail from Tepco

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4/12 14:44, alarm of water leakage from heat exchanger unit was given out, coolant system of the SFP of reactor 4 was automatically stopped.

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At the moment, Tepco is trying to check the leakage point of the coolant system. Now the temperature of SFP is 28℃, it increases at 0.5℃/h.

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(Tweet of Ms. Tanioka, a member of the House of Councilors from The Democratic Party of Japan)

At 19:00, the cooling system of SFP in reactor 4 is not back on. The temperature is about 29℃. Information from The Nuclear Agency.

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From the explanation of The Nuclear Agency, the temperature increases at a linear manner, at 0.5℃/h. It is not know how much water is leaking. There are 70hours until it goes up to 65℃ (=maintenance code).

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