Sep 3, 2013 2:37 PM by Associated Press
PHOENIX (AP) - The operator of the Palo Verde Nuclear Generating Station in Arizona declared an unusual event late Monday when insulation behind a pump caught fire.
The fire did not interrupt power production at the three-reactor plant located 50 miles west of downtown Phoenix and Arizona Public Service Co. says the plant is running normally Tuesday.
An unusual event is the lowest of four emergency levels for nuclear power plants.
APS told the federal Nuclear Regulatory Commission that there was no release of radioactive material and no threat to public health or safety.
According to APS' notice, Palo Verde firefighters responded when a security guard spotted smoke in a turbine area of Unit 2. The fire was declared out 45 minutes later.
Cause of the fire is under investigation.
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