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Radiation level near the bottom of exhaust stack jumped up double since last year
Following up this article.. Tepco to shield reactor1 pool coolant system against the damaged stack / Stopping cooling the pool for 11 days [URL]
According to Tepco, they detected 950 mSv/h near the bottom of the damaged stack on 10/21/2015.
The measuring point was the connection part of sump pit and the stack, which was 0.3 m above the ground. The radiation level has been increasing at this point since they started surveying for some reason.
It was 480 mSv/h on 9/2/2014, but it became 560 mSv/h last December.
It is not identified what is causing the increasing radiation level.
http://www.tepco.co.jp/nu/fukushima-np/handouts/2015/images/handouts_151026_04-j.pdf
Iori MochizukiThe post Radiation level near the bottom of exhaust stack jumped up double since last year appeared first on Fukushima Diary.
Source: http://fukushima-diary.com/2015/10/radiation-level-near-the-bottom-of-exhaust-stack-jumped-up-double-since-last-year/
