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Event Notification Report for January 02, 2016

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
01/01/2016 - 01/02/2016

EVENT NUMBERS
5163251633

Power Reactor
Event Number: 51632
Facility: MILLSTONE
Region: 1     State: CT
Unit: [] [] [3]
RX Type: [1] GE-3,[2] CE,[3] W-4-LP
NRC Notified By: STEPHAN LAMBERT
HQ OPS Officer: JEFF HERRERA
Notification Date: 01/02/2016
Notification Time: 23:56 [ET]
Event Date: 01/02/2016
Event Time: 23:05 [EST]
Last Update Date: 01/03/2016
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
RAY MCKINLEY (R1DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
3 N Y 100 Power Operation 100 Power Operation
Event Text
OFFSITE NOTIFICATION OF FISH KILL

Millstone Unit 3 reported a non spill related environmental fish kill event with greater than 300 fish found in the trash basket.

The cause of the fish kill is unknown at this time. The type of fish reported was Atlantic Menhaden.

The NRC Resident Inspector has been notified.


Power Reactor
Event Number: 51633
Facility: BYRON
Region: 3     State: IL
Unit: [1] [2] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: JAMIE GETCHIUS
HQ OPS Officer: JOHN SHOEMAKER
Notification Date: 01/03/2016
Notification Time: 02:31 [ET]
Event Date: 01/02/2016
Event Time: 23:40 [CST]
Last Update Date: 01/03/2016
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(2)(xi) - OFFSITE NOTIFICATION
Person (Organization):
DAVID HILLS (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
2 N Y 100 Power Operation 100 Power Operation
Event Text
INADVERTANT SIREN ACTUATION

"On 01/02/2016 at 2340 [CST], personnel at the Ogle County 9-1-1 call center inadvertently actuated the emergency response sirens associated with Byron Generating Station multiple times. The emergency response sirens were secured at approximately 2350.

"This event is being reported under 10CFR50.72(b)(2)(xi) for, 'any event or situation, related to the health and safety of the public or on site personnel, or protection of the environment, for which a news release is planned or notification to other government agencies has been or will be made.'

"The licensee has notified the State of Illinois and the NRC Resident Inspector."

All sirens are operable and available if needed.