26,000 Bq/Kg of cesium from the ground soil of Niida river Minamisoma

 

Ministry of the Environment measured radiation level of river and river head areas in former evacuation preparation zone of Minamisoma, Tamura, Kawauchi, Hirono and Naraha.
The highest reading was 26,000 Bq/Kg from Niida river in Minamisoma.
From Ota river, they measured 19,100 Bq/Kg.

Source

新田川の土壌からセシウム2万6000ベクレル 旧避難準備区域調査
2012年3月31日 | カテゴリ:

環境省などは30日、旧緊急時避難準備区域の南相馬、田村、川内、広野、楢葉の5市町村の河川、水源地のモニタリング調査結果を発表した。最も高い放射性セシウムが検出されたのは南相馬市を流れる新田川の木戸内橋地点の土壌で、1キロ当たり2万6000ベクレルだった。
調査は昨年9月30日に緊急時避難準備区域が解除された5市町村の復旧支援として実施している。今年2~3月に5市町村の河川や水源地の水質、底質、土壌を調べた。
河川と水源地の底質調査では南相馬市を流れる太田川の石渡戸橋地点で検出された1キロ当たり1万9100ベクレルが最大だった。
真野川や新田川、真野ダムなどで行った水質調査では放射性ヨウ素、放射性セシウムともに検出限界値未満だった。

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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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