Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea

According to Tepco, all β nuclides jumped up 22 times higher in 3 days. All β nuclides include Strontium-90.

The locations is Boring No.2, where is on the east side of reactor2. It’s 24m from the sea.

On 7/15/2013, all β nuclide reading was 49,000 Bq/m3. It became 1,100,000 Bq/m3 on 7/18/2013.

The reason is not announced.

 

↓ Location of the boring (Green circled)

Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea

 

2 Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea

 

3 Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea

 

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/2tb-east_13071901-j.pdf

http://www.tepco.co.jp/nu/fukushima-np/handouts/2013/images/handouts_130712_05-j.pdf

 

 

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Français :

Le strontium 90 a sans doute été multiplié par 22 à 24 m de la mer en 3 jours

 

Selon Tepco, les β nucléides se sont multipliés par 22 en 3 jours. Les β nucléides incluent le strontium 90.

C’est au forage n°2 qui est à l’est du réacteur 2 et à 24 m de la mer.
Le 15 juillet 2013, les relevés en β nucléides étaient à 49 000 Bq/m³. C’est passé à 1 100 000 Bq/m³ le 18 juillet 2013.
La raison  n’en est pas donnée.

↓ Lieu du forage (cercle vert)
Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea
2 Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea
3 Potential Strontium-90 density increased 22 times much in 3 days at 24m from the sea

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/2tb-east_13071901-j.pdf
http://www.tepco.co.jp/nu/fukushima-np/handouts/2013/images/handouts_130712_05-j.pdf

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