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74,000,000,000 Bq of Cs-134/137 only within 10 mins released from Reactor3 in the summer of 2013
Photo : Steam splashing from the operation floor of Reactor 3 in August 2013
Related to this article.. “Tepco turned down the request of agriculture association to postpone reactor 1 cover removal.” [URL]
On 8/19/2014, Tepco reported to NRA (Nuclear Regulation Authority) 74,000,000,000 Bq of Cs-134/137 was released from Reactor 3 only within 10 minutes in August 2013.
One month ago, Tepco reported to NRA that approx. 1.1 Trillion Bq of Cs-134/137 was scattered due to the debris removal from Reactor 3 in August of 2013.
In the new report, Tepco revised their own announcement and commented they over counted the released volume by 12 ~ 24 %. However one of the peaks of the release is “missing” all the data because two of the dust monitors were simultaneously under inspection and having intermittence “by accident”.
The only available data covers the first peak of release started at 9:20 of 8/19/2013. It is assumed to have ended at 11:00 of the same day.
According to the data, the total released volume was 190,000,000,000 Bq. The maximum released volume in 10 minutes was 74,000,000,000 Bq and even the minimum volume was 2,600,000,000 Bq.
Reactor 3 operating floor was frequently observed splashing the steam for unconfirmed reason last summer. (cf, Tepco not to investigate nor take countermeasures for reactor3 “steam” anymore [URL])
Tepco concluded the high rate of contamination release is due to the debris removal, but Fukushima Diary insists NRA should verify the effect of this steam as well.
http://www.nsr.go.jp/committee/yuushikisya/tokutei_kanshi/data/0026_02.pdf
Iori Mochizuki You read this now because we’ve been surviving until today.The post 74,000,000,000 Bq of Cs-134/137 only within 10 mins released from Reactor3 in the summer of 2013 appeared first on Fukushima Diary.
Source: http://fukushima-diary.com/2014/08/74000000000-bq-cs-134137-within-10-mins-released-reactor3-summer-2013/
