pic/20110316060032

Significant level of I-131 detected from dry sludge of Fukushima sewage plant after rain in May

Significant density of I-131 was detected from dry sludge of Fukushima sewage plant this May. Cs-134 was also detected.

According to Fukushima sewage public corporation, 2 days after rain (26.5 mm) observed on 5/19/2015, Iodine-131 level started jumping up along with Cs-134/137 density.

It kept on being detected until the end of May. The highest reading was 794.4 Bq/Kg (5/23/2015). 113 Bq/Kg of Cesium-134/137 was also measured this day.

It is assumed that the rain carried I-131 from somewhere to the sewage plant, however Fukushima prefectural government has announced no analysis on this.

The data on June is not published yet.

 

http://www.pref.fukushima.lg.jp/uploaded/attachment/119348.pdf

 

 

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Français :

Forte radioactivité en iode 131 dans les boues sèches d’une station d’épuration de Fukushima après les pluies de mai

 

En mai dernier, une importante radioactivité en I 131 a été relevée dans les boues sèches d’une station d’épuration de Fukushima. Du Cs 134 avait aussi été relevé.

Selon la société publique d’épuration de Fukushima, 2 jours après les pluies (26.5 mm) du 19 mai 2015, la radioactivité en iode 131 a commencé à grimper, ainsi que celle des Cs 134/137.
C’est resté détectable jusqu’à fin mai. Le record a été de 794,4 Bq/kg (le 23 mai 2015). Les césium 134 et 137 atteignaient alors 113 Bq/kg.
On suppose que la pluie a apporté l’iode 131 jusqu’à la station d’épuration, néanmoins la préfecture de Fukushima n’en donne aucune analyse.

Les données de juin ne sont pas encore publiées.

http://www.pref.fukushima.lg.jp/uploaded/attachment/119348.pdf

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.

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