Event Notification Report for October 07, 2025

AGREEMENT STATE REPORT - MEDICAL EVENT

The following is a summary of the information provided by the Kansas Departments of Health and Environment (Department) via email:

On September 29, 2025, the University of Kansas Hospital Authority reported that a patient had received a seed for localized treatment of a tumor in their breast tissue. The seed was inserted on July 30, 2025. The patient returned the following day, very ill, was evaluated, and found to have an infection. The physician determined that surgery for removal of the seed would need to be delayed, and the seed could not be removed before October 2, 2025. The dose calculation shows that 5 rem total effective dose equivalent will be reached on October 2, 2025. This report is open and more details are expected following a reactive inspection by the Department.

Device: IsoAid Advantage I124A
Source: 200 uCi I-125

KS Report Number: KS2500011

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.

AGREEMENT STATE REPORT - LOST RADIATION SHIELD

The following information was provided by the Florida Bureau of Radiation Control (BRC) via email:

"BRC received notification from Orlando Health on September 30, 2025, that a depleted uranium shield was disposed of alongside its Nuclear Medicine Adac Camera model MCD/AC. It was last accounted for in 2014. The shield was likely disposed of [during] the decommission and removal of the camera. No records of the [shield] removal are available."

FL Incident #: FL25-097

THIS MATERIAL EVENT CONTAINS A 'Less than Cat 3' LEVEL OF RADIOACTIVE MATERIAL

Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf

AUTOMATIC REACTOR SCRAM

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

"At 0321 CDT on 10/6/2025, with Unit 1 in mode 1 at 23 percent power, the reactor automatically tripped due to reactor water level rising to the reactor protection system auto-scram setpoint, prior to the manual scram being completed. The trip was not complex with all systems responding normally post-trip. The trip occurred as the station was transitioning level control from the motor driven reactor feed pump to the `A' turbine driven reactor feed pump as part of plant startup. Due to the reactor protection system actuation while critical, this event is being reported as a four-hour, non-emergency notification per 10 CFR 50.72(b)(2)(iv)(B).

"Operations responded using emergency operating procedure 1 (reactor pressure vessel control) and stabilized the plant in mode 3. Decay heat is removed by discharging steam to the main condenser using the turbine bypass valves.

"The digital feedwater level control system response is still under investigation.

"There was no impact on the health and safety of the public or plant personnel. The NRC Resident Inspector has been notified."

EN Revision Imported Date: 10/7/2025

EN Revision Text: OFFSITE NOTIFICATION DUE TO ONSITE FATALITY

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

"On October 6, 2025, at 0627 EDT, a notification to the Occupational Safety and Health Administration (OSHA) was initiated due to a Dominion employee experiencing a non-work-related medical event that resulted in the employee passing. When the issue was identified, the station first aid team responded to administer first aid. Upon arrival, the employee was nonresponsive with no pulse. The employee was pronounced deceased on site at 0627 EDT. A report to OSHA will be made in accordance with federal requirements. This event is reportable to the NRC per 10 CFR 50.72(b)(2)(xi) since another government agency will be notified of this fatality.

"The employee was in the plant protected area and was not contaminated.

"The NRC Resident Inspector has been notified."

FITNESS FOR DUTY EVENT

The following information was provided by the licensee via phone:

A licensee non-licensed supervisor failed a random fitness-for-duty test. The individual was not on-site at the time of the determination. The individual's access has been revoked.

The NRC Resident Inspector has been notified.