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1,000,000 Bq/m3 of Sr-90 detected in seawater of Fukushima plant port / Highest in recorded history

Related to this article.. The highest density of all β nuclide detected outside of Fukushima plant port [URL]

 

On 6/19/2015, Tepco announced they measured 1,000,000 Bq/m3 of Strontium-90 at two locations in Fukushima plant port.

This is the highest reading in recorded history. The sample is the port seawater. Sampling date was 5/4/2015.

The location was near the water intake of Reactor 3 and 4, and also the screen of Reactor 4.

The previous highest readings were lower than 700,000 Bq/m3.

Tepco has not made any announcement on this rapid increase.

 

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2015/images/2tb-east_15061901-j.pdf

 

 

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Français :

Record historique : un million de Bq/m³ de Strontium 90 dans l’eau du port de la centrale de Fukushima

 

Article lié : Record de radioactivité β en mer en dehors du port de la centrale

Le 19 juin 2015, Tepco annonce avoir relevé 1 000 000 (un million de) Bq/m³ de strontium 90 en deux endroits du port de la centrale de Fukushima.

C’est le record historique depuis le début des mesures. Les échantillons sont de l’eau de mer prise dans le port le 4 mai 2015.
Les endroits échantillonnés sont près de la prise d’eau pour les réacteurs 3 et 4 et aussi à la grille du réacteur 4.
Le précédent record était inférieur à 700 000 Bq/m³.
Tepco n’a fait aucun communiqué sur cette forte augmentation.

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2015/images/2tb-east_15061901-j.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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