Event Notification Report for November 06, 2024

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
11/05/2024 - 11/06/2024

EVENT NUMBERS
57405 57411 57412
Agreement State
Event Number: 57405
Rep Org: Georgia Radioactive Material Pgm
Licensee: International Paper Company
Region: 1
City: Savannah   State: GA
County:
License #: GA 143-1
Agreement: Y
Docket:
NRC Notified By: Stacy Allman
HQ OPS Officer: Ernest West
Notification Date: 10/29/2024
Notification Time: 14:53 [ET]
Event Date: 10/09/2024
Event Time: 00:00 [EDT]
Last Update Date: 10/29/2024
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Eve, Elise (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE - STUCK OPEN SHUTTER

The following information was provided by the Georgia Radioactive Materials Program via email:

"[The licensee's] radiation safety officer (RSO) reported that a shutter had failed in the open position during a routine shutter check on October 9, 2024. This was a Ohmart/Vega [gauge containing] 15 mCi of Cs-137, serial number: 32153cp. The licensee barricaded the area around [the gauge]. A service repair request and leak test are currently in progress. The RSO stated that the licensee checked [radiation level] at 1 foot away, and found [exposure rate] to be 0.2 millirad per hour and presents no risk to health and safety."


Power Reactor
Event Number: 57411
Facility: Cook
Region: 3     State: MI
Unit: [2] [] []
RX Type: [1] W-4-LP,[2] W-4-LP
NRC Notified By: Cory Thompson
HQ OPS Officer: Natalie Starfish
Notification Date: 11/03/2024
Notification Time: 23:33 [ET]
Event Date: 11/03/2024
Event Time: 23:12 [EST]
Last Update Date: 11/04/2024
Emergency Class: Unusual Event
10 CFR Section:
50.72(a) (1) (i) - Emergency Declared
50.72(b)(2)(xi) - Offsite Notification
Person (Organization):
Edwards, Rhex (R3DO)
Giessner, John (RA)
Veil, Andrea (NRR)
Crouch, Howard (IR)
Mitlyng, Viktoria (R3OPA)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 100 Power Operation 100 Power Operation
Event Text
NOTIFICATION OF RAPIDLY TERMINATED UNUSUAL EVENT DUE TO FIRE ALARM IN CONTAINMENT

The following information was provided by the licensee via phone and email:

"On 11/03/2024, at 2242 EST, DC Cook Unit 2 received an annunciator indicating a fire in containment. Verification time of existence of a fire exceeded the threshold for an Unusual Event (UE), and a UE was declared at 2312 on 11/03/24. Subsequently, the alarm was determined to not be valid and the UE was exited at 2328. Berrien County and the State of Michigan were notified of the UE declaration and exit.

"The NRC Resident Inspector has been notified."

The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:

No actual fire existed. The emergency action level for this event is HU4.2.

Notified DHS SWO, FEMA Operations Center, CISA Central, FEMA NWC (email), CWMD Watch Desk (email), DHS NRCC THD Desk (email), and DHS Nuclear SSA (email).


Power Reactor
Event Number: 57412
Facility: Monticello
Region: 3     State: MN
Unit: [1] [] []
RX Type: [1] GE-3
NRC Notified By: Derek Grossman
HQ OPS Officer: Sam Colvard
Notification Date: 11/04/2024
Notification Time: 09:02 [ET]
Event Date: 11/04/2024
Event Time: 05:00 [CST]
Last Update Date: 11/04/2024
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(2)(xi) - Offsite Notification
Person (Organization):
Edwards, Rhex (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 - INADVERTENT SIREN ACTUATION

The following information was provided by the licensee via phone and email:

"At 0500 CST, on November 4, 2024, the Monticello Nuclear Generating Plant was notified by Wright County dispatch of a spurious actuation of one emergency response siren that lasted approximately ten minutes. The cause of the actuation has not been determined and the vendor is investigating. The siren is no longer actuating. There was no impact to the health and safety of the public as a result of this event and the offsite response capabilities remain functional. No press release by the licensee is planned at this time. This event is being reported in accordance with 10 CFR 50.72(b)(2)(xi).

"The NRC Resident Inspector has been notified."