Possible debris coolant water found leaking out to the first floor of reactor3 / 2,400,000,000 Bq/m3 of Cs-134/137

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Possible reactor coolant water was found leaking out to the first floor of reactor3 building.

According to Tepco, the water temperature was 20℃, where the environmental temperature was 7℃.

They measured 2,400,000,000 Bq/m3 of Cesium-134/137, and 24,000,000,000 Bq/m3 of all β nuclides.

Tepco assumes the water level inside of Primary Containment Vessel is higher than 5 of 9 pipes that are connected to the water leaking part of reactor3 building.

They concluded it’s possible that the coolant water that directly touched the molten fuel is leaking out to the building. However, no one can approach to identify the water source because the radiation level is too high.


Tepco is stating the water is not leaking out of the reactor building.






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Français :

Fuite probable de liquide de refroidissement du 1er étage du réacteur 3  : le césium 134/137 à 2,4 milliards de Bq/m³
Note : Si vous êtes de la grande presse internationale, ne lisez pas ce site sans avoir préalablement pris contact avec moi.


Ils ont découvert une fuite de ce qui est probablement du liquide de refroidissement s’écoulant du premier étage du bâtiment du réacteur 3.
Selon Tepco, la température de cette eau était de 20 ℃, alors que celle ambiante était à 7 ℃.
Ils ont relevé 2 400 000 000 (2,4 milliards de) Bq/m³ de césium 134/137 et 24 000 000 000 (24 milliards de) Bq/m³ de radioactivité β.
Tepco suppose que le niveau de l’eau à l’intérieur de l’enceinte de confinement primaire arrive au-dessus de 5 des 9 tuyaux qui sont en liaison avec l’eau qui fuit du bâtiment du réacteur 3.
Ils en concluent qu’il est possible que le liquide de refroidissement ayant été en contact direct avec le combustible fondu soit en train de fuir à l’extérieur du bâtiment mais parce que la radioactivité est trop intense, personne ne peut s’approcher pour trouver l’origine de cette fuite.

Tepco affirme que cette eau ne s’écoule pas en dehors du bâtiment du réacteur.


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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.


January 2014