Radioactive silver emitted as air from the upper part of reactor2

According to Tepco, radioactive silver (Ag-110m) was detected from the Exhaust System of the reactor2 building.

The amount was 0.91 Bq/m3. The half-life is 250 days. The sampling date was 4/4/2013.

On 1/12/2013, 6.6 Bq/m3 of Ag-110m was also measured from gas taken beside the blow-out panel of reactor2 as well.

There is no constant data of Ag-110m emission from the reactor buildings, however it is the possibility that various of nuclides except for Cs-134/137 are emitted to the atmosphere.

 

Radioactive silver emitted as air from the upper part of reactor2

 

2 Radioactive silver emitted as air from the upper part of reactor2

 

http://www.tepco.co.jp/en/nu/fukushima-np/f1/smp/2013/images/kakuhou_130531-e.pdf

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/kakuhou_130215-j.pdf#page=2

 

 

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Français :

De l’argent radioactif émis dans l’air par la partie supérieure du réacteur 2

 

Selon Tepco, de l’argent radioactif (Ag 110m) a été relevé du système d’échappement du bâtiment du réacteur 2..

La concentration était à 0,91 Bq/m³. La demie-vie en est de 250 jours. Le relevé date du 4 avril 2013.
Le 12 janvier 2013, 6,6 Bq/m³ d’Ag 110m avait aussi été relevé dans les gaz pris à côté du panneau d’aération du réacteur  2.
Il n’y a pas de données de suivi constant sur l’Ag-110m émis des bâtiments des réacteurs, il est possible qu’en dehors des Cs 134-137, des nucléides divers soient émis dans l’atmosphère.

Radioactive silver emitted as air from the upper part of reactor2

2 Radioactive silver emitted as air from the upper part of reactor2

http://www.tepco.co.jp/en/nu/fukushima-np/f1/smp/2013/images/kakuhou_130531-e.pdf
http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/kakuhou_130215-j.pdf#page=2

 

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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.

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