6 t of contaminated water leaked from ALPS / 720,000 Bq of all β nuclide leaked to environment

(Before It's News)

On 12/17/2014, Tepco leaked 6 t of contaminated water to the environment.

They report it was water processed by ALPS (Advanced Liquid Processing System). The leakage occurred when water was transferred from ALPS to a storage tank.

From Tepco’s announcement, the operators made a wrong process documents on pipe connections to flow the contaminated water to an open pipe.

The leaked contaminated water was absorbed by soil or retained in a trench. They estimate the leaked volume was 6 t.

Tepco states the latest radioactive analysis shows all β nuclide density (containing Sr-90) was 89,000 ~ 120,000 Bq/m3.

They don’t report the density of any other nuclides.

By 12/18/2014, they collected 9 m3 of contaminated water mixed with rainfall and 5.7 m3 of soil.

Tepco says it didn’t flow to the sea but they are not taking contaminated water absorbed by soil into consideration.

http://www.tepco.co.jp/cc/press/2014/1244912_5851.html

http://www.tepco.co.jp/cc/press/2014/1244917_5851.html

http://www.tepco.co.jp/cc/press/2014/1244924_5851.html

http://www.tepco.co.jp/cc/press/2014/1244941_5851.html

http://www.tepco.co.jp/nu/fukushima-np/handouts/2014/images/handouts_141218_06-j.pdf

http://photo.tepco.co.jp/date/2014/201412-j/141217-01j.html

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