Event Notification Report for May 21, 2024

AGREEMENT STATE REPORT - LOST BRACHYTHERAPY SEED

The following was provided by the Illinois Emergency Management Agency (the Agency) via email:

"The Agency was contacted on 5/13/24 concerning one lost iodine-125 brachytherapy seed with an activity of approximately 0.267 millicuries. On 5/13/24, Bard Brachytherapy received a package from Northside Hospital - Gwinnett (Lawrenceville, GA), and initially identified a total of seven of the nineteen iodine-125 brachytherapy seeds were missing. Five seeds were found shortly thereafter in the packing material. The common carrier was called to return to the Bard facility and an additional seed was located within the delivery vehicle. Additional searches of the local Schaumburg, IL [common carrier] hub and O'Hare airport facility were unsuccessful in locating the final seed. The Agency was notified that the final seed was considered lost. The package is reported as having left Lawrenceville, GA and then Norcross, GA before arriving at the Schaumburg, IL facility. Reportedly, the package had no indication of damage from transit. The cause of the loss seed appears to be inadequate packaging when shipped."

Illinois event number: IL240013.

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

MANUAL REACTOR TRIP

The following information was provided by the licensee via email:

"At 0030 [EDT] on 5/19/24, with Beaver Valley Unit 1 in mode 1 at 14 percent power, the reactor was manually tripped due to inability to control the 'A' steam generator water level. The trip was not complex, with all systems responding normally post-trip. The turbine driven auxiliary feedwater pump automatically started on a valid actuation signal. All control rods inserted into the core. Operations responded and stabilized the plant. Decay heat is being removed by the feedwater system and the main condenser. Beaver Valley Unit 2 is unaffected.

"Due to the reactor protection system 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). Due to the emergency safety feature system actuation (automatic start of the turbine driven auxiliary feedwater pump) while critical, this event is being reported as an eight-hour, non-emergency notification per 10CFR 50.72(b)(3)(iv)(A).

"There was no impact on the health and safety of the public or plant personnel.

"The NRC Resident Inspector has been verbally notified."


The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:
Unit 1 is stable on off-site power, normal configuration. All emergency systems are available.