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Event Notification Report for March 01, 2024

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
02/29/2024 - 03/01/2024

EVENT NUMBERS
5700257000
Power Reactor
Event Number: 57002
Facility: Monticello
Region: 3     State: MN
Unit: [1] [] []
RX Type: [1] GE-3
NRC Notified By: Pete Bruggeman
HQ OPS Officer: Sam Colvard
Notification Date: 03/01/2024
Notification Time: 17:27 [ET]
Event Date: 03/01/2024
Event Time: 13:45 [CST]
Last Update Date: 03/01/2024
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(2)(xi) - Offsite Notification
Person (Organization):
Ruiz, Robert (R3DO)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N N 0 Cold Shutdown 0 Cold Shutdown
Event Text
INADVERTENT SIREN ACTIVATION

The following information was provided by the licensee via email:

"At 1330 CST, on March 1, 2024, an equipment vendor was coordinating with Wright County performing maintenance on an emergency siren when the county operator mistakenly sent an alarm signal instead of cancel signal, activating all Wright County emergency sirens for approximately 17 seconds. At 1345 CST, the Monticello Nuclear Generating Plant (MNGP) emergency planning coordinator received a notification from the vendor and notified the duty shift manager [of the inadvertent activation].

"Wright County officials are planning to make a public notification via social media to local residents.

"No press release by the licensee is planned at this time.

"This event is reportable per 10 CFR 50.72(b)(2)(xi), 'News Release or Notification of Other Government Agencies.' This is a 4-hour Reporting requirement.

"The NRC Resident has been notified."


Agreement State
Event Number: 57000
Rep Org: Florida Bureau of Radiation Control
Licensee: Universal Engineering Scientists
Region: 1
City: Delray Beach   State: FL
County:
License #: 3021-4
Agreement: Y
Docket:
NRC Notified By: Monroe Cooper
HQ OPS Officer: Sam Colvard
Notification Date: 03/01/2024
Notification Time: 12:48 [ET]
Event Date: 03/01/2024
Event Time: 11:21 [EST]
Last Update Date: 03/01/2024
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Bickett, Brice (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE REPORT - DAMAGED MOISTURE DENSITY GAUGE

The following summary of information was provided by the Florida Bureau of Radiation Control [the Bureau] via email:

On March 1, 2024, at 1121 EST, the Bureau received a call from Universal Engineering Scientists to report that a Troxler gauge (Model: 3430P, Serial: 86000, 8 mCi Cs-137, 40 mCi Am-241:Be) was run over on a work site. The Cs-137 source rod was extended 12 inches into the ground. The licensee radiation safety officer (RSO) responded and determined that the source rod could not to be retracted. The gauge was placed in a container and shielded for transport to a storage facility in Port St. Lucie where it will be held for evaluation.

The Bureau inspector has been notified and will respond.

Florida Incident No.: FL24-015