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Strontium-90 detected in potentially discharged water from Reactor 1 and 3

Strontium-90-detected-in-potentially-discharged-water-from-Reactor-1-and-3-800x500_cOctober 20, 2014
2,800 ~ 11,000 Bq/m3 of Strontium-90 have been detected from pumped water around Reactor 1 and 3, according to Tepco.
On 10/1/2014, Tepco released nuclide analysis data of groundwater. The tested groundwater was pumped up from the facilities called “sub-drain” located beside Reactor 1 ~ 4.
These “sub-drains” were originally to reduce groundwater volume to flow into the basement of each reactor building, however abandoned because of the high level of contamination after 311. Tepco is trying to restart using these sub-drains to pump up highly contaminated water and to discharge to the sea.
(cf, Tepco to pump up highly contaminated groundwater for potential discharge today / Drainage plan submitted to NRA.
The samples were taken this September and last September. From the sample near Reactor 1, 11,000 Bq/m3 of Strontium-90 was detected last September. From the sample near Reactor 3, 2,800 Bq/m3 of Strontium-90 was measured this September.
These readings were not checked by third party organizations, so the actual density can be higher than announced.
Either way, the data shows groundwater contamination is spreading from around the reactor buildings to the outside of the port. (cf, Strontium-90 detected outside of Fukushima port / Highest reading in front of Reactor 4 too.
http://www.tepco.co.jp/nu/fukushima-np/f1/smp/2014/images/around_rb_141001-j.pdf
Source: Fukushimary Diary
http://fukushima-diary.com/2014/10/strontium-90-detected-potentially-discharged-water-reactor-1-3/

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October 20, 2014 - Posted by | Japan | , , , ,

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