Tepco started discharging contaminated groundwater beside crippled reactor buildings


Tepco started discharging the contaminated groundwater to the Pacific on 9/14/2015, Tepco reported.
It was discharged for nearly 6 hours in daytime. The reported volume of contaminated water was 838 tons.
The discharged water was pumped up from 20 of 41 wells called “sub-drain” situated beside crippled reactor buildings 1 ~ 4.
10,800,000 Bq/m3 of Cs-134/137 and 16,000,000 Bq/m3 of Tritium were measured from the water pumped this August. Tepco announced they purified water before discharging, however unremovable nuclide Tritium still remains in water. 390,000 ~ 600,000 Bq/m3 of Tritium was detected from “filtered” water from third party organization’s analysis.

http://www.tepco.co.jp/tepconews/library/archive-j.html?video_uuid=q2f3u22p&catid=69619
http://www.tepco.co.jp/decommision/planaction/sub-drain/index-j.html
http://www.tepco.co.jp/cc/press/2015/1259086_6818.html
http://www.tepco.co.jp/cc/press/2015/1259171_6818.html
http://www.tepco.co.jp/nu/fukushima-np/handouts/2015/images/handouts_150902_07-j.pdf
http://www.tepco.co.jp/cc/press/2015/1259687_6818.html
http://www.tepco.co.jp/cc/press/2015/1259973_6818.html
http://www.tepco.co.jp/cc/press/2015/1259923_6818.html

Source: Fukushima Diary
http://fukushima-diary.com/2015/09/video-tepco-started-discharging-contaminated-groundwater-beside-crippled-reactor-buildings/

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