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Power plant test sounds off its sirens

October 21, 2009 12:00:00 AM PDT
If you heard civil defense type sirens in the San Onofre area Wednesday, it was a test.Southern California Edison conducted a test for its emergency warning system. The test included parts of both Orange County and northern San Diego County.

Edison officials say they have 52 sirens in strategic locations.

In Orange County the sirens are located in San Clemente, Dana Point and San Juan Capistrano. In San Diego County the sirens are located in San Onofre and Camp Pendleton.

The testing began at 10 a.m. and continued until noon. The sirens emit a continuous steady tone to distinguish them from fire and police sirens.

During the test period sirens were activated several times for about three minutes each time.

City News Service contributed to this report.