Contaminated water crisis

Tritium density became the highest in boring nearest to the sea again, “630,000,000 Bq/m3”

According to Tepco, they measured the highest reading of Tritium from boring No.1-1 again.

They detected 630,000,000 Bq/m3 from the sample of 7/8/2013. It was 600,000,000 Bq/m3 on 7/5/2013.

They also measured 4,400,000 Bq/m3 of all β (such as Strontium-90) from this sample.

This boring is only 4~5 m from the sea.

Tepco is planning to abandon this boring as they build the underground wall. (cf, Tepco to “improve” the ground to stop groundwater contamination spreading by crushing an observation hole [URL])

 

↓ Location of the boring. (Green circled)

Tritium density became the highest in boring nearest to the sea again, "630,000,000 Bq/m3"

 

2 Tritium density became the highest in boring nearest to the sea again, "630,000,000 Bq/m3"

 

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/2tb-east_13071202-j.pdf

http://www.tepco.co.jp/cc/press/2013/1228923_5117.html

 

 

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See also

Français :

Encore un record de tritium dans le forage à côté de la mer : 630 000 000 Bq/m³

 

Selon Tepco, ils ont encore relevé un record de tritium dans le forage N° 1-1.

Ils ont relevé 630 000 000 Bq/m³ (630 millions) dans l’échantillon du 8 juillet 2013. On en était à 600 000 000 Bq/m³ (600 millions) le 5 juillet 2013.
Ils ont aussi relevé 4 400 000 Bq/m³ de β nucléides (tels que le strontium 90) dans ce même échantillon.
Ce forage n’est qu’à 4-5 m de la mer.
Tepco prévoie d’abandonner ce forage à cause de la construction du mur souterrain. (cf. Tepco va “renforcer” le sol pour arrêter la contamination souterraine en écrasant un trou d’observation)

↓ Localisation du forage. (Cercle vert)
Tritium density became the highest in boring nearest to the sea again, "630,000,000 Bq/m3"
2 Tritium density became the highest in boring nearest to the sea again, "630,000,000 Bq/m3"

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2013/images/2tb-east_13071202-j.pdf
http://www.tepco.co.jp/cc/press/2013/1228923_5117.html

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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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