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Event Notification Report for March 12, 2026

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U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
03/11/2026 - 03/12/2026

EVENT NUMBERS
581845819058185
Hospital
Event Number: 58184
Rep Org: Georgetown Univ Hospital
Licensee: Georgetown Univ Hospital
Region: 1
City: Washingon   State: DC
County:
License #: 08-30577-01
Agreement: N
Docket:
NRC Notified By: Auroba Latief Al-Samaraee
HQ OPS Officer: Robert A. Thompson
Notification Date: 03/04/2026
Notification Time: 11:56 [ET]
Event Date: 03/03/2026
Event Time: 10:38 [EST]
Last Update Date: 03/04/2026
Emergency Class: Non Emergency
10 CFR Section:
35.3045(a)(1)(i) - Dose <> Prescribed Dosage
Person (Organization):
Eve, Elise (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
MEDICAL EVENT

The following information was provided by the licensee via phone:

On March 3, 2026, at 1038 EST, a 200 mCi Lu-177 Lutathera treatment for a metastatic neuroendocrine tumor had commenced when the patient informed the treatment team that he had received an injection that morning. It was determined that the patient had been administered an octreotide injection. The physician ordered an immediate stop to the Lutathera infusion as the octreotide would prevent take-up of the Lu-177. Only 19 mCi of the planned 200 mCi dose was administered.

A Medical Event may indicate potential problems in a medical facility's use of radioactive materials. It does not necessarily result in harm to the patient.


Power Reactor
Event Number: 58190
Facility: Palo Verde
Region: 4     State: AZ
Unit: [1] [2] [3]
RX Type: [1] CE,[2] CE,[3] CE
NRC Notified By: Jeremia Mueller
HQ OPS Officer: Karen Cotton
Notification Date: 03/10/2026
Notification Time: 18:33 [ET]
Event Date: 03/10/2026
Event Time: 11:34 [MST]
Last Update Date: 03/10/2026
Emergency Class: Non Emergency
10 CFR Section:
26.719 - Fitness For Duty
Person (Organization):
Dixon, John (R4DO)
FFD Group, (EMAIL)
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
3 N Y 100 Power Operation 100 Power Operation
Event Text
FITNESS FOR DUTY

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

"On March 10, 2026, at 1134 MST, a reactor operator's test results were confirmed positive for alcohol following a for-cause, fitness for duty screening test. The individual's unescorted access has been immediately placed on administrative hold until the denial process has been completed per station procedures.

"The NRC Resident Inspector has been notified."


Agreement State
Event Number: 58185
Rep Org: Wisconsin Radiation Protection
Licensee: University of Wisconsin Madison
Region: 3
City: Madison   State: WI
County:
License #: 025-1323-01
Agreement: Y
Docket:
NRC Notified By: Sarah Bouche
HQ OPS Officer: Karen Cotton
Notification Date: 03/05/2026
Notification Time: 09:49 [ET]
Event Date: 03/04/2026
Event Time: 00:00 [CST]
Last Update Date: 03/05/2026
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Edwards, Rhex (R3DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE REPORT - EQUIPMENT FAILURE

The following information was provided by the Wisconsin Department of Health Services via email:

"The University of Wisconsin Madison (UWM) reported an equipment failure involving a Y-90 TheraSphere microsphere administration set (lot A182) which occurred on March 4, 2026. UWM reported the tubing was damaged when it was removed from the priming line and was unable to be connected to the patient's catheter. Since the dose vial had already been punctured in the set-up, the therapy was cancelled.

"The administration set was disassembled so that the dose vial could be put into waste without releasing any of the spheres. The faulty connectors were removed and given to the manufacturer's representative who was present. The UWM found an additional administration set from the same lot; this was pulled and will not be used. Areas of possible contamination were surveyed, and none were found."

Wisconsin Event Report ID No.: WI260006


Page Last Reviewed/Updated March 12, 2026, 04:46 am EDT