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Tepco to abandon the second robot in Reactor 1 again / Camera went out of...
Following up this article.. [Video / Photo] Reactor 1 investigation result by second robot / Grating covered with blue-green stuff [URL] On 4/20/2015, Tepco announced they are going to leave the...
View Article[Video] Over 48 Sv/h was detected by the robot in Reactor 1 / Tepco did not...
Following up this article.. Tepco to abandon the second robot in Reactor 1 again / Camera went out of order due to high level of radiation [URL] Tepco’s own video captured the moment when the second...
View Article[Video] Water level in Reactor 1 decreased 350 mm in 2.5 years
From Tepco’s report published on 5/28/2015, the water level in PCV 1 (Primary Containment Vessel of Reactor 1) has decreased by 350 mm since October of 2012. Tepco originally has been planning to put...
View ArticleCs-134/137 density in retaining water of Reactor 1 basement jumped over 16...
According to Tepco, Cesium-134/137 density rapidly increased in retaining contaminated water of Reactor 1 basement. The water is assumed to be the mixture of coolant water and groundwater. On...
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[Photo] Tepco started removing the cover of Reactor 1 building
Following up this article.. Tepco accidentally destroyed a part of Reactor 1 cover at dismantling preparation [URL] According to Tepco, they started removing the main part of cover of Reactor 1 on...
View ArticleTepco plans to manually repair access hole to the inside of Reactor 1
On 9/24/2015, Tepco announced they are going to start the investigation on Reactor 1. In order to evaluate the feasibility of manual repair of the access holes to the inside of PCV 1 (Primary...
View ArticleTepco suddenly released the video of mock-up facility to dismantle Reactor 1
On 11/5/2015, Tepco released the video of mock-up training without any explanation. The video has only 20 seconds and no other description is attached. The location of this mock-up facility is not...
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[Photo] Tepco reports groundwater stopped flowing into Reactor 1 at one of...
On 11/12/2015, Tepco announced that at a control cable duct they observed groundwater stop flowing into Reactor 1 turbine building. They didn’t report if groundwater keeps flowing into the building...
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[Photo] Reactor 1 could have been severely collapsed if M4.8 occurred 6 hours...
Tepco’s decommissioning attempt could have collapsed the crippled Reactor 1 on 11/19/2015. This is not largely recognized by the mass media. According to Tepco, they started removing the minor debris...
View ArticleTepco gave up the robot inspection of Reactor 1 this year
On 1/28/2016, Tepco announced they gave up the planned robot inspection of Reactor 1 for this year. In Tepco’s assumption, Reactor 1 is supposed to have the molten nuclear fuel accumulated in the...
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