Event Notification Report for February 14, 2023

AGREEMENT STATE REPORT - MISSING GAUGE

The following report was received via email from the Texas Department of State Health Services [the Agency]:

"On February 6, 2023, the Agency received information from the licensee that a Peco Controls Gamma 101P device, which was believed to have been removed from a machine and placed into storage on-site [in Hereford, TX] in 2020, was determined on or about January 18, 2023, to be lost/missing. The licensee has confirmed the device is not on any of its premises. The licensee is investigating with its metal waste vendor to see if they can determine if it was disposed of with them. An investigation into this event is ongoing. The licensee holds a General License Acknowledgment from the Agency for this device. More information will be provided as it is obtained in accordance with SA-300."

Device: Peco Controls Gamma 101P (SN: G030860749)
Source: Am-241 100 millicuries (SN: 3904LV)

Texas Incident No: I-9986
Texas NMED No.: TX230004

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

AGREEMENT STATE REPORT - LOST BRACHYTHERAPY SEEDS

The following information was provided by the Illinois Emergency Management Agency, Division of Nuclear Safety, Radioactive Material Branch (DNS-RAM) via email:

"DNS-RAM was notified on 2/6/23, by Bard Brachytherapy (IL-02062-01) that a package of radioactive brachytherapy seeds was lost while in the care of a common carrier. The package was shipped on 2/3/2023, from the licensee's facility in Carol Stream, IL to Centrum Radiotherapie in Kortrijk, Belgium. Total package activity at the time of shipment was 65.62 millicuries of I-125 (ninety STM-1251 seeds, each at 0.430 millicuries). DNS-RAM is currently seeking updated information on the last reported location of the package - which is believed to have been in South Africa. This does not represent a significant public safety hazard and there is no indication of intentional theft or diversion.

"Updates will be provided as they become available."

Illinois Event Number: IL230003

* * * UPDATE ON 2/9/23 AT 1201 EST FROM GARY FORSEE TO ADAM KOZIOL * * *

The following information was provided by the Illinois Emergency Management Agency, Division of Nuclear Safety, Radioactive Material Branch (DNS-RAM) via email:

"Licensee advised this morning that the package has been located. Updates will be provided as they become available."

Notified R3DO (Szwarc), NMSS Events Notification, and ILTAB (email).

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* * * UPDATE ON {DATE} AT {TIME} FROM {LICENSEE} TO {HOO} * * *

CONTROL ROOM EMERGENCY VENTILATION SYSTEM INOPERABLE

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

"At 0800 on February 12, 2023, it was discovered that both trains of control room emergency ventilation system were simultaneously inoperable due to a safety injection relief valve discharging to a Unit 1 sump. This leakage in conjunction with design basis loss of coolant accident may result in radiological dose exceeding limits to the exclusion area boundary and to the control room, which is common to both Unit 1 and Unit 2. Therefore, this condition is being reported as an eight-hour, nonemergency notification per 10 CFR 50.72(b)(3)(ii)(B) and 10 CFR 50.72(b)(3)(v)(D) as an 'Unanalyzed Condition and a Condition that Could Have Prevented Fulfillment of a Safety Function.'

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

"The NRC Resident Inspector has been notified."