LOS ANGELES (AP) — Nuclear watchdog and environmental groups are criticizing Southern California Edison for how long it took to notify the press and public of an ammonia leak at a nuclear power plant that led to an emergency alert.A phone line reserved for media calls was for a time not working properly and the public was not alerted until more than an hour after the leak began Tuesday. Officials with Edison, which operates the San Onofre Nuclear Generating Station, did not return multiple emails and calls from The Associated Press until more than two hours after the leak started.An Edison spokesman says normally such a low-level emergency would not trigger any public notification.Workers stopped the leak two hours after it was detected. Company officials say there was no public danger.

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