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*** Fukushima *** and other nuclear-----updates and links
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[quote:Waterbug:MV8xNTM3MTQ2XzM4OTc1OTExXzdFOUI3MTk5] Federal regulators say overwork, noise led to Harris nuclear plant mistake http://www.newsobserver.com/2013/07/11/3024310/nrc-overwork-noise-led-to-harris.html In the spring of 2012, during a refueling outage, ultrasonic tests showed four tiny flaws in the nozzles, which were promptly fixed. The same ultrasonic tests also indicated another irregularity. This one, however, went undetected by contractors and plant operators for 13 months. The flaw, suggesting that primary water stress cracking had begun to develop, was not detected until this May, forcing the shutdown of the plant. The NRC noted that in May, a year after the initial ultrasonic discovery, the damage was a third bigger. The corroded area, located at a weld-point of a nozzle in the reactor lid, expanded from 1/4-inch to 1/3-inch, but never led to a leak of radioactive material. The two specialists who missed the flaw were fully qualified, suggesting that time pressure or inadequate oversight caused them to miss the fifth flaw, the NRC said. [/quote]
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Daily updates pertaining to nuclear events.
Fukushima-Daiichi live view.
[
link to www.tepco.co.jp
]
[
link to www.youtube.com
]
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