Event Notification Report for September 16, 2025
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
09/15/2025 - 09/16/2025
EVENT NUMBERS
57931
57931
Agreement State
Event Number: 57931
Rep Org: Texas Dept of State Health Services
Licensee: Covestro LLC
Region: 4
City: Baytown State: TX
County:
License #: L 01577
Agreement: Y
Docket:
NRC Notified By: Art Tucker
HQ OPS Officer: Robert A. Thompson
Licensee: Covestro LLC
Region: 4
City: Baytown State: TX
County:
License #: L 01577
Agreement: Y
Docket:
NRC Notified By: Art Tucker
HQ OPS Officer: Robert A. Thompson
Notification Date: 09/16/2025
Notification Time: 13:52 [ET]
Event Date: 09/16/2025
Event Time: 00:00 [CDT]
Last Update Date: 09/16/2025
Notification Time: 13:52 [ET]
Event Date: 09/16/2025
Event Time: 00:00 [CDT]
Last Update Date: 09/16/2025
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
10 CFR Section:
Agreement State
Person (Organization):
Agrawal, Ami (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Agrawal, Ami (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
AGREEMENT STATE REPORT - STUCK OPEN GAUGE SHUTTER
The following information was provided by the Texas Department of State Health Services (the Department) via phone and email:
"On September 16, 2025, the Department was notified by the licensee that the shutter on a Texas Nuclear model 5201 nuclear gauge had failed in the open position during routine testing. The gauge contains a 100 millicurie (original activity) cesium-137 source. Open is the normal operating position for the shutter. 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. The licensee reported a service provider has been contacted to repair the gauge. Additional information will be provided as it is received in accordance with SA-300."
Texas incident number: 10228
The following information was provided by the Texas Department of State Health Services (the Department) via phone and email:
"On September 16, 2025, the Department was notified by the licensee that the shutter on a Texas Nuclear model 5201 nuclear gauge had failed in the open position during routine testing. The gauge contains a 100 millicurie (original activity) cesium-137 source. Open is the normal operating position for the shutter. 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. The licensee reported a service provider has been contacted to repair the gauge. Additional information will be provided as it is received in accordance with SA-300."
Texas incident number: 10228