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Event Notification Report for March 06, 2025

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
03/05/2025 - 03/06/2025

Agreement State
Event Number: 57550
Rep Org: SC Dept of Health & Env Control
Licensee: Mitsubishi Chemical America, Inc.
Region: 1
City: Greer   State: SC
County:
License #: 036
Agreement: Y
Docket:
NRC Notified By: Adam L. Gause
HQ OPS Officer: Ernest West
Notification Date: 02/15/2025
Notification Time: 12:24 [ET]
Event Date: 02/14/2025
Event Time: 00:00 [EST]
Last Update Date: 03/05/2025
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Henrion, Mark (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
EN Revision Imported Date: 3/6/2025

EN Revision Text: AGREEMENT STATE REPORT - DAMAGED FIXED GAUGE

The following information was provided by the South Carolina Department of Environmental Services (the Department) via phone and email:

"The licensee informed the Department on February 14, 2025, via telephone, that it had discovered damage (tear) to the film covering the window of the source side of a fixed gauging device. The licensee discovered this event on February 14, 2025. The licensee reported that a representative from the manufacturer of the fixed gauging device was on-site and repaired/replaced the source side window on February 14, 2025. The licensee reported that the the fixed gauging device shutter closed as expected, and the licensee did not report any ongoing health and safety concerns or overexposures.

"The fixed gauging device is a Thermo EGS Gauging LLC, Model TFC-185 (source holder serial number KA2196), housing a 1250 mCi Kr-85 sealed source. The sealed source is a Isotope Product Laboratories Model NER-588. This event is still under investigation by the Department."

South Carolina Event Number: TBD

* * * UPDATE ON 03/05/2025 AT 1423 FROM ADAM GAUSE TO ROBERT THOMPSON * * *

The following information was provided by the South Carolina Department of Environmental Services (the Department) via email:

"The licensee submitted a 30-day written report on February 26, 2025. The details of the written report were consistent with the initial notification. The serial number of the source is also KA2196. The internal South Carolina Event Number is SC250002. This event/investigation is considered closed. The report for NMED item number SC250002 was uploaded today."

Notified R1DO (Ford) and NMSS Events Notification (email).


Agreement State
Event Number: 57573
Rep Org: Texas Dept of State Health Services
Licensee: Ascend Performance Materials Inc.
Region: 4
City: Alvin   State: TX
County:
License #: L06630
Agreement: Y
Docket:
NRC Notified By: Art Tucker
HQ OPS Officer: Brian P. Smith
Notification Date: 02/26/2025
Notification Time: 18:56 [ET]
Event Date: 02/26/2025
Event Time: 00:00 [CST]
Last Update Date: 02/26/2025
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Roldan-Otero, Lizette (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE REPORT - STUCK SHUTTERS

The following report was received from the Texas Department of State Health Services (the Department):

"On February 26, 2025, the Department was notified by the licensee that during routine testing, the shutters on three nuclear gauges were found stuck in the open position. Open is the normal operating position for the gauges. The gauges are all Texas Nuclear gauge models; a '5200' model containing a 20 millicurie source, a '5201' model containing a 100 millicurie source, and a '5208' model containing a 4,000 millicurie source. All sources are cesium - 137 sources. The licensee reported that there is no risk of additional radiation exposure to members of the general public or radiation workers due to this on/off mechanism failure. Additional information will be provided as it is received in accordance with SA-300."

Texas Incident Number: I-10173


Agreement State
Event Number: 57574
Rep Org: North Carolina Department of HHS
Licensee: IQS Inspections
Region: 2
City: Kernersville   State: NC
County:
License #: 041-0766-1
Agreement: Y
Docket:
NRC Notified By: Travis Cartoski
HQ OPS Officer: Natalie Starfish
Notification Date: 02/27/2025
Notification Time: 11:00 [ET]
Event Date: 02/27/2025
Event Time: 09:35 [EST]
Last Update Date: 02/27/2025
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Defrancisco, Anne (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
ILTAB, (EMAIL) (EMAIL)
Smith, Todd (INES)
Logan, Allen (NMSS)
Event Text
AGREEMENT STATE - LOST INDUSTRIAL RADIOGRAPHY CAMERA

The following is a summary of an email received from the North Carolina Department of Health and Human Services, North Carolina Radioactive Materials Branch (NC RMB):

"The NC RMB is currently investigating a missing industrial radiography camera. It is unknown at this time whether the camera was missing or stolen. The licensee reported that they stayed the night at a hotel in Kernersville, NC, and discovered the next morning that the camera was missing. They immediately notified NC RMB and the local police department. They are currently reviewing hotel surveillance cameras and waiting for the police to arrive."

NC Event Number: 250003

Device Info:
Model: Spec 150
S/N: 0320
Source: Ir-192
Activity: 74.0 Ci

Notified external: DHS SWO, FEMA Ops Center, USDA Ops Center, HHS Ops Center, DOE Ops Center, DHS CISA Central, EPA EOC, FDA EOC, and FEMA National Watch Center. Emailed: Nuclear SSA and CWMD Watch Desk.

THIS MATERIAL EVENT CONTAINS A 'Category 2' LEVEL OF RADIOACTIVE MATERIAL

Category 2 sources, if not safely managed or securely protected, could cause permanent injury to a person who handled them, or were otherwise in contact with them, for a short time (minutes to hours). It could possibly be fatal to be close to this amount of unshielded radioactive material for a period of hours to days. These sources are typically used in practices such as industrial gamma radiography, high dose rate brachytherapy and medium dose rate brachytherapy. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf


Agreement State
Event Number: 57576
Rep Org: Texas Dept of State Health Services
Licensee: Exon Mobile Corporation
Region: 4
City: Mont Belvieu   State: TX
County: Chambers
License #: L 03119
Agreement: Y
Docket:
NRC Notified By: Arthur L Tucker
HQ OPS Officer: Troy Johnson
Notification Date: 02/27/2025
Notification Time: 17:11 [ET]
Event Date: 02/27/2025
Event Time: 00:00 [CST]
Last Update Date: 02/27/2025
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Roldan-Otero, Lizette (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE REPORT - STUCK SHUTTER

The following report was received from the Texas Department of State Health Services:

"On February 27, 2025, the licensee reported that the shutter on a Vega model SH-F2C-45 containing a 500 millicurie (original activity) cesium-137 source was found stuck in the open position during routine testing. Open is the normal operating position. The licensee reported that there is no risk of additional radiation exposure to members of the general public or radiation workers, due to this on/off mechanism failure. Additional information will be provided as it is received in accordance with SA-300."

Texas Incident Number: I-10175
NMED number: TX250014


Power Reactor
Event Number: 57586
Facility: Monticello
Region: 3     State: MN
Unit: [1] [] []
RX Type: [1] GE-3
NRC Notified By: Aaron Mann
HQ OPS Officer: Robert A. Thompson
Notification Date: 03/04/2025
Notification Time: 21:46 [ET]
Event Date: 03/04/2025
Event Time: 10:30 [CST]
Last Update Date: 03/04/2025
Emergency Class: Non Emergency
10 CFR Section:
26.719 - Fitness For Duty
Person (Organization):
Edwards, Rhex (R3DO)
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 97 97
Event Text
FITNESS FOR DUTY - PROGRAMMATIC FAILURE

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

"On March 4, 2025, fitness-for-duty (FFD) program administrators identified a site employee who was required to be part of the FFD program random testing pool, had been inadvertently removed from it on August 5, 2024. The employee's protected area access has been placed on hold in accordance with the station process. The issue has been placed into the site corrective action program for further review and evaluation to determine the cause. This event notification is being made in accordance with 10 CFR 26.719(b)(4)."

The NRC resident inspector has been notified.


Power Reactor
Event Number: 57587
Facility: Browns Ferry
Region: 2     State: AL
Unit: [2] [] []
RX Type: [1] GE-4,[2] GE-4,[3] GE-4
NRC Notified By: Stewart Wetzel
HQ OPS Officer: Ian Howard
Notification Date: 03/05/2025
Notification Time: 09:45 [ET]
Event Date: 03/05/2025
Event Time: 04:18 [CST]
Last Update Date: 03/05/2025
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(xii) - Offsite Medical
Person (Organization):
Penmetsa, Ravi (R2DO)
Felts, Russel (NRR EO)
Crouch, Howard (IR)
Power Reactor Unit Info
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N N 0 0
Event Text
TRANSPORT OF CONTAMINATED PERSON OFFSITE

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

"On March 5, 2025, at 0418 CST, a contract employee was transported to an off-site medical facility for treatment. The individual was determined to have low levels of contamination prior to being transported.

"This event is reportable [in accordance with] 10CFR50.72(b)(3)(xii) any event requiring the transport of a radioactively contaminated person to an off-site medical facility for treatment."

The NRC resident inspector has been notified.

The following additional information was obtained from the licensee in accordance with Headquarters Operations Officers Report Guidance:

A qualified radiation health physics technician traveled with the contaminated individual to ensure no spread of contamination to the ambulance or to the medical facility.


Power Reactor
Event Number: 57588
Facility: North Anna
Region: 2     State: VA
Unit: [1] [2] []
RX Type: [1] W-3-LP,[2] W-3-LP,[3] M-4-LP
NRC Notified By: Bob Page
HQ OPS Officer: Robert A. Thompson
Notification Date: 03/05/2025
Notification Time: 14:32 [ET]
Event Date: 03/05/2025
Event Time: 10:15 [EST]
Last Update Date: 03/05/2025
Emergency Class: Non Emergency
10 CFR Section:
26.719 - Fitness For Duty
Person (Organization):
Penmetsa, Ravi (R2DO)
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 100 100
2 N N 0 0
Event Text
FITNESS FOR DUTY EVENT

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

A non-licensed employee supervisor had a confirmed positive for alcohol during a random fitness-for-duty test. The employee's access to the plant has been terminated.

The licensee notified the NRC resident inspector.