San Diego Nuke Plant Shut Down After Leak
San Onofre leak posed no danger to public, officials say
By Rob Quinn,  Newser Staff
Posted Feb 2, 2012 1:00 AM CST
The San Onofre plant was last shut down during a blackout in September last year.   (AP Photo/Alex Gallardo, File)
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(Newser) – The San Onofre nuclear plant north of San Diego was closed last evening to deal with a radiation leak that regulators say posed no danger to the public or to plant workers. The plant's operators say a small quantity of radioactive gas escaped from a leaky tube in a steam generator, the Los Angeles Times reports.

The steam generator system was replaced just over a year ago and the plant is going to investigate why the new system leaked. San Onofre—located on the coast next to a military base in an earthquake-prone part of California—came under fresh scrutiny after the Fukushima disaster in Japan last year and was declared safe—although environmental groups want it shut down, ABC reports.