Tritium discovered in groundwater at Perry Nuclear Power Plant

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Perry Nuclear Power Plant - Ohio

Just after 1:00 pm on Monday, workers identified a leak on a feedwater venturi meter which was leaking into the drainage system.

The leaking water was sampled to check for tritium.  That night, at 11:30 pm, workers grabbed samples from the drainage system in the Auxiliary Building.

Tritium was identified in samples taken from under the drain system in the Auxiliary Building.  The sampled water was found to have 46,000 picocuries per liter, over twice as much as the EPA limit for groundwater which is 20,000 picocuries per liter.

The licensee is working to stop the leak via leak injection, and hopes to have the pipe repaired later today.  The leaking water is being currently being captured before it enters the drainage system.

The licensee did not have an estimate of the current leak rate, or the leak rate at time of discovery.  Additionally they did not have an estimate of the total volume of water which had leaked.

Source: NRC Event Notifications

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