Strontium-90 density rose up 3 × in groundwater / 490,000,000 Bq/m3 from Reactor 2 seaside

Strontium-90 density increased to be approx. 3 times much as previous month, according to Tepco.

The sample was groundwater taken from seaside of Reactor 2.

They measured 490,000,000 Bq/m3 of Sr-90 on 9/1/2014. It was 170,000,000 Bq/m3 on 8/4/2014.

Tepco announces Sr-90 density in groundwater only monthly, so it is impossible to find the continuous trend. However, it can be read that Sr-90 density is not in the decreasing trend at least.

http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2014/images/2tb-east_14112101-j.pdf

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Source: Fukushima