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Event Notification Report for May 27, 2012

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
05/26/2012 - 05/27/2012

EVENT NUMBERS
47969

Power Reactor
Event Number: 47969
Facility: PRAIRIE ISLAND
Region: 3     State: MN
Unit: [1] [] []
RX Type: [1] W-2-LP,[2] W-2-LP
NRC Notified By: BILL BODIN
HQ OPS Officer: BILL HUFFMAN
Notification Date: 05/27/2012
Notification Time: 14:24 [ET]
Event Date: 05/27/2012
Event Time: 11:22 [CDT]
Last Update Date: 05/27/2012
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
ROBERT DALEY (R3DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N Y 100 Power Operation 100 Power Operation
Event Text
OFFSITE NOTIFICATION CONCERNING LOSS OF AMERTAP BALLS

"At 1122 CDT, Prairie Island Nuclear Generating Plant notified the Minnesota State Duty Officer that up to 1,500 Amertap balls were lost from the Unit 1 condenser tube cleaning system. Since the Minnesota State Duty Officer was contacted, this constitutes an 4 hour non-emergency notification per 10 CFR 50.72(b)(2)(xi)."

The licensee has notified the NRC Resident Inspector in addition to state and local government agencies.