Yomiuri: Video believed to show parts of internal structure in Fukushima Unit 1 containment vessel scattered around — 3-inch-thick lead plate disappeared (DIAGRAM)

Published: September 29th, 2012 at 3:13 am ET
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Watch video from inside Reactor No. 1′s containment vessel here

Title: TEPCO shows video taken inside N-reactor
Source: The Daily Yomiuri
Date: Sep. 29, 2012

[Tepco] released video footage taken inside the damaged containment vessel of the No. 1 reactor at its Fukushima No.1 nuclear power plant, the first such footage the utility has released

Source: Yomiuri

[...]

The video, taken Wednesday using an endoscope, shows an area around a pipe that sits about 8.5 meters from the bottom of the containment vessel. The scattered debris that is visible is believed to be damaged parts of the vessel’s internal structure.

[...]

The investigation revealed that a 7.5-centimeter-thick lead plate had disappeared from inside the vessel, presumably lost after the hydrogen explosion March 12.

Temperatures inside the containment vessel rose to more than 700 C three days after the explosion, meaning the plate probably melted. The melting point of lead is 327 C.

[...]

Published: September 29th, 2012 at 3:13 am ET
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