Highest density of Cs-134/137 detected at 2 locations of Reactor 2 seaside / 4 × the previous highest reading

On 3/16/2015, Tepco announced they measured the highest density of Cs-134/137 at 2 boring wells located in Reactor 2 seaside. The sampling date was 3/16/2015.

The readings were 303,000 Bq/m3 and 20,700 Bq/m3, which are 2 〜 4 times much as the previous highest readings from these borings.

There are 10 observation wells in Reactor 2 seaside, but Tepco did not publish the analysis result of the rest of 8 boring wells.






Français :

Record de radioactivité en césium relevé en deux points du côté mer du réacteur 2 / 4 × les records précédents


Le 16 mars 2015, Tepco annonce qu’ils ont relevé un record en Cs 134/137 dans 2 puits de forage du côté mer du réacteur 2. Les échantillons sont du 16 mars 2015.

Les relevés sont de 303 000 Bq/m³ et 20 700 Bq/m³, soit 2 à 4 fois les derniers records pour ces forages.
Il y a 10 puits d’observation sur le côté mer du réacteur 2 mais Tepco n’a pas publié les résultats des analyses des 8 autres puits de forage.


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.


March 2015