Event Notification Report for August 19, 2024
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
08/18/2024 - 08/19/2024
Agreement State
Event Number: 57277
Rep Org: Tennessee Div of Rad Health
Licensee: 3M Corporation
Region: 1
City: Clinton State: TN
County:
License #: R-M5003-G29
Agreement: Y
Docket:
NRC Notified By: Andrew Holcomb
HQ OPS Officer: Josue Ramirez
Licensee: 3M Corporation
Region: 1
City: Clinton State: TN
County:
License #: R-M5003-G29
Agreement: Y
Docket:
NRC Notified By: Andrew Holcomb
HQ OPS Officer: Josue Ramirez
Notification Date: 08/20/2024
Notification Time: 18:05 [ET]
Event Date: 08/19/2024
Event Time: 00:00 [EDT]
Last Update Date: 08/20/2024
Notification Time: 18:05 [ET]
Event Date: 08/19/2024
Event Time: 00:00 [EDT]
Last Update Date: 08/20/2024
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
10 CFR Section:
Agreement State
Person (Organization):
Lilliendahl, Jon (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Lilliendahl, Jon (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
AGREEMENT STATE REPORT - GAUGE SHUTTERS FOUND OPEN WITHOUT COMMAND
The following information was provided by the Tennessee Division of Radiological Health via email:
"It was discovered on August 19, 2024, that three (3) fixed gauges had shutters that were open without commands to open from the PLC terminal. The area was unoccupied at the time. The facility radiation safety officer (RSO) did not indicate any physical damage to the devices. The event occurred again on the morning of August 20, 2024. No exposure was noted since the gauges were operating in a normal capacity. The RSO had the shutters closed and took the gauges out of service. The gauges were also locked out to prevent reoccurrence. The gauge manufacturer has been contacted for troubleshooting the occurrence. The available device information is as follows:
"Manufacturer: Mahlo America, Inc.
"Model: 11-200933 (source holder)
"Isotope: Kr-85, 260 mCi (as of March 28, 2019)
"Source SN#: AN-3035, AN-3036, AN-3037
"Corrective actions will be updated with a report within 30 days."
Tennessee Event Report Number: TN-24-060
The following information was provided by the Tennessee Division of Radiological Health via email:
"It was discovered on August 19, 2024, that three (3) fixed gauges had shutters that were open without commands to open from the PLC terminal. The area was unoccupied at the time. The facility radiation safety officer (RSO) did not indicate any physical damage to the devices. The event occurred again on the morning of August 20, 2024. No exposure was noted since the gauges were operating in a normal capacity. The RSO had the shutters closed and took the gauges out of service. The gauges were also locked out to prevent reoccurrence. The gauge manufacturer has been contacted for troubleshooting the occurrence. The available device information is as follows:
"Manufacturer: Mahlo America, Inc.
"Model: 11-200933 (source holder)
"Isotope: Kr-85, 260 mCi (as of March 28, 2019)
"Source SN#: AN-3035, AN-3036, AN-3037
"Corrective actions will be updated with a report within 30 days."
Tennessee Event Report Number: TN-24-060
Power Reactor
Event Number: 57274
Facility: Callaway
Region: 4 State: MO
Unit: [1] [] []
RX Type: [1] W-4-LP
NRC Notified By: Ali Syed
HQ OPS Officer: Ian Howard
Region: 4 State: MO
Unit: [1] [] []
RX Type: [1] W-4-LP
NRC Notified By: Ali Syed
HQ OPS Officer: Ian Howard
Notification Date: 08/19/2024
Notification Time: 15:55 [ET]
Event Date: 08/19/2024
Event Time: 12:21 [CDT]
Last Update Date: 08/19/2024
Notification Time: 15:55 [ET]
Event Date: 08/19/2024
Event Time: 12:21 [CDT]
Last Update Date: 08/19/2024
Emergency Class: Non Emergency
10 CFR Section:
26.719 - Fitness For Duty
10 CFR Section:
26.719 - Fitness For Duty
Person (Organization):
Vossmar, Patricia (R4DO)
FFD Group, (EMAIL)
Vossmar, Patricia (R4DO)
FFD Group, (EMAIL)
| Unit | SCRAM Code | RX Crit | Initial PWR | Initial RX Mode | Current PWR | Current RX Mode |
|---|---|---|---|---|---|---|
| 1 | N | Y | 100 | Power Operation | 100 | Power Operation |
FITNESS-FOR-DUTY REPORT
The following information was provided by the licensee via phone call and email:
"A non-licensed supervisory employee had a confirmed positive test during a random fitness-for-duty test. The employee's access to the plant has been terminated."
The NRC Senior Resident Inspector has been notified.
The following information was provided by the licensee via phone call and email:
"A non-licensed supervisory employee had a confirmed positive test during a random fitness-for-duty test. The employee's access to the plant has been terminated."
The NRC Senior Resident Inspector has been notified.