Heavy Wear on New Tubes at San Onofre

Damage is unusual for virtually new tubing

Thursday, Feb 2, 2012  |  Updated 2:19 PM PDT
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Nuclear Reactor Shut Down After Leak

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Nuclear Reactor Shut Down After Leak

A reactor at San Onofre Nuclear power plant was shut down Tuesday night after sensors reported a radioactive leak.
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Federal regulators say unusual wear has been found on dozens of virtually new tubes that carry radioactive water at Southern California's San Onofre Unit 2 nuclear plant.

The disclosure Thursday comes just two days after a tube leak at the plant's other unit prompted operators to shut down its reactor as a precaution. A tiny amount of radiation could have escaped from that plant, but officials say workers and the public were not endangered.

The problems at Unit 2 were discovered during inspections of a steam generator. That equipment was replaced recently in both units of the twin-reactor plant.

Nuclear Regulatory Commission spokesman Victor Dricks says the damage is unusual for virtually new tubing.

The plant is off line for inspections and repairs.

Copyright NBC San Diego / Associated Press

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