Tag "investigation"

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Investigation of the inside of reactor1

Following up this article..Radiation level is higher out of PCV than inside in reactor1, “Is really core inside of PCV ?”           Source     Iori

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[Reactor4] Tepco “There was no hydrogen gas from SFP4”

Still nobody knows what actually happened in reactor4, what caused the explosion. Nuclear accident investigation committee of the government commented that the hydrogen explosion of reactor4 was caused by both of

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Gov’s investigation committee gave up identifying the burst of reactor2, “need international help”

  Government’s nuclear accident investigation committee is to conclude that they can’t identify the route and cause of the burst in reactor2 because of the time restriction and technical limitation

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[Reactor1] 5.2 Sv/h on the first floor

Tepco conducted robot survey in reactor1 building TIP room and South area on the first floor. (11:40 ~ 15:47 of 7/4/2012) Tepco used 4 robots (2 Quinces and 2 PackBots)

Natural disasters

Investigation committee “there is a possibility that the earthquake damaged equipment”

Following up this article..Edano, former Chief Cabinet Secretary admits he knew melt through on 3/13/2011   Nuclear accident investigation committee of the government published the final report. In the report,

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Settlement report 6/20 ~ 6/24/2012

    Though Japan is in such a crisis, I’m still struggling to get used to this new life. I managed the jet-lag, but still every small thing is hard,

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Tepco blotted out structural drawings of Fukushima in their in-house accident investigation report

Following up this article..Reactor4 had one explosion and 2 fires in March 2011 Tepco blotted out structural drawings of 36 pages  (P 469~504) on their in-house accident investigation report. The

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Reactor4 had one explosion and 2 fires in March 2011

Tepco published the in-house Fukushima accident investigation report on 6/20/2012. In this report, which is assumed to downplay the accident, Tepco reported that there were 2 fires in reactor4 after

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Tepco rejected covering reactor 4 with stone coffin for financial matter

      Mabuchi, former minister of Land, Infrastructure, Transport and Tourism stated he suggested building sarcophagus for reactor 4 to have Tepco refuse it. Nuclear accident investigation committee interviewed