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Here is some more on San Onofre and their problems. It is worth noting that they are saying none of the radioactive steam escaped the containment, although I don't think they mention it in the following article. The tubes were improperly designed, tested and installed. Only after they failed were any of these things discovered.

"We've never seen that before," he said of the test results. "This is a significant, serious safety issue."
-Elmo Collins, regional administrator for the Region IV office of the NRC.RPT-

Faulty tests blamed for California nuclear plant leak

(Reuters) - Tubes that leaked radioactive steam at a California nuclear power plant [San Onofre], leading to an indefinite shutdown, were not properly tested by the manufacturer prior to installation, nuclear regulators told an overflowing public hearing on Monday.
...
The U.S. Nuclear Regulatory Commission on Monday pinned the blame for the leak on Mitsubishi Heavy Industries, which it said underestimated the velocity of water and steam surging through the generator by a factor of three or four times in its computerized test of the equipment.
...

<blockquote data-quote="trainedobserver" data-source="post: 135407" data-attributes="member: 2192">Here is some more on San Onofre and their problems. It is worth noting that they are saying none of the radioactive steam escaped the containment, although I don&#039;t think they mention it in the following article. The tubes were improperly designed, tested and installed. Only after they failed were any of these things discovered.&nbsp;&nbsp;&quot;We&#039;ve never seen that before,&quot; he said of the test results. &quot;This is a significant, serious safety issue.&quot;-Elmo Collins, regional administrator for the Region IV office of the NRC.RPT-&nbsp;<a href="http://in.reuters.com/article/2012/06/19/usa-power-california-idINL1E8HJ5HL20120619" target="_blank">Faulty tests blamed for California nuclear plant leak</a>&nbsp;(Reuters) - Tubes that leaked radioactive steam at a California nuclear power plant [San Onofre], leading to an indefinite shutdown, were not properly tested by the manufacturer prior to installation, nuclear regulators told an overflowing public hearing on Monday....The U.S. Nuclear Regulatory Commission on Monday pinned the blame for the leak on Mitsubishi Heavy Industries, which it said underestimated the velocity of water and steam surging through the generator by a factor of three or four times in its computerized test of the equipment....</blockquote>

[QUOTE="trainedobserver, post: 135407, member: 2192"] Here is some more on San Onofre and their problems. It is worth noting that they are saying none of the radioactive steam escaped the containment, although I don't think they mention it in the following article. The tubes were improperly designed, tested and installed. Only after they failed were any of these things discovered. "We've never seen that before," he said of the test results. "This is a significant, serious safety issue." -Elmo Collins, regional administrator for the Region IV office of the NRC.RPT- [SIZE=6][URL='http://in.reuters.com/article/2012/06/19/usa-power-california-idINL1E8HJ5HL20120619']Faulty tests blamed for California nuclear plant leak[/URL][/SIZE] (Reuters) - Tubes that leaked radioactive steam at a California nuclear power plant [[SIZE=14px][FONT=Helvetica Neue][COLOR=#333333]San Onofre][/COLOR][/FONT][/SIZE], leading to an indefinite shutdown, were not properly tested by the manufacturer prior to installation, nuclear regulators told an overflowing public hearing on Monday. ... The U.S. Nuclear Regulatory Commission on Monday pinned the blame for the leak on Mitsubishi Heavy Industries, which it said underestimated the velocity of water and steam surging through the generator [B][I]by a factor of three or four times[/I][/B] in its computerized test of the equipment. ... [/QUOTE]

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