Event Notification Report for September 03, 2021
U.S. Nuclear Regulatory Commission
Operations Center
EVENT REPORTS FOR
09/02/2021 - 09/03/2021
Agreement State
Event Number: 55417
Rep Org: IOWA DEPARTMENT OF PUBLIC HEALTH
Licensee: Arconic Davenport, LLC
Region: 3
City: Bettendorf State: IA
County:
License #: 0162182FG
Agreement: Y
Docket:
NRC Notified By: Randal Dahlin
HQ OPS Officer: Howie Crouch
Notification Date: 08/19/2021
Notification Time: 07:19 [ET]
Event Date: 08/18/2021
Event Time: 00:00 [CDT]
Last Update Date: 09/02/2021
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
PETERSON, HIRONORI (R3)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
Event Text
EN Revision Imported Date: 9/3/2021
EN Revision Text: AGREEMENT STATE REPORT - STUCK OPEN GAUGE SHUTTER
The following information was obtained from the state of Iowa via email:
"On August 18, 2021, at approximately 1000 CDT, the DAV-015 #4 shutter was reported to be stuck in the open position. A survey meter measured a background level of 0.02 mR/hr outside of the gauge house, and 0.05 mR/hr inside the gauge house at that time. Locks were changed to the gauge house to prevent entry. The service company, SenTek, was notified and requested to provide service. They are expected to arrive on August 19, 2021, to provide service and repairs. This event will be updated after the service company determines the cause of the failure and the licensee provides a corrective action plan."
The gauge was manufactured by Isotope Measuring Systems, Inc., model number 5221-02, serial number 2332-2336L, and contains 5 Curies of Am-241.
NMED Number: IA210003
* * * UPDATE ON 9/2/21 AT 1522 EDT FROM RANDAL DAHLIN TO JOANNA BRIDGE * * *
The following information was obtained from the state of Iowa via email:
"The SenTek service technician arrived onsite late afternoon on August 18, 2021 and determined that the bolts holding the shutter had sheared and needed to be replaced. All other shutter bolts were inspected and found to be satisfactory. As a corrective action, the licensee is implementing an annual preventative maintenance check to inspect and replace the bolts on all shutters. The licensee's intent is to replace these fixed gauging devices with x-ray tube devices."
The State considers this event closed.
Notified: R3DO (Riemer) and NMSS Events Notification via e-mail.
Agreement State
Event Number: 55432
Rep Org: KANSAS DEPT OF HEALTH & ENVIRONMENT
Licensee: BRADKEN-ATCHISON
Region: 4
City: Atchison State: KS
County:
License #: 21-B092-01
Agreement: Y
Docket:
NRC Notified By: David Lawrenz
HQ OPS Officer: Lloyd Desotell
Notification Date: 08/26/2021
Notification Time: 13:16 [ET]
Event Date: 08/26/2021
Event Time: 11:15 [CDT]
Last Update Date: 08/26/2021
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
KOZAL, JASON (R4)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
Event Text
EN Revision Imported Date: 9/3/2021
EN Revision Text:
AGREEMENT STATE REPORT - STUCK SOURCE
The following is a summary of information received from the State of Kansas:
The state of Kansas received notification from the licensee that a fixed gauge cobalt-60 radiographic source is not retracting into the camera for storage following a radiographic exposure. The source moves freely to a point but seems to be stopped during movement in the guide tube about halfway back to the camera. Neither the automatic or the manual retrieval systems were able to retract the source any more than about half way. The licensee indicated that at no time were any personnel exposed or in any danger. The source is located in a secured fixed radiographic booth.
The licensee has contacted the supplier of the equipment for assistance.
Agreement State
Event Number: 55433
Rep Org: ARIZONA DEPT OF HEALTH SERVICES
Licensee: Asarco Mission Complex
Region: 4
City: Sahuarita State: AZ
County:
License #: 10-017
Agreement: Y
Docket:
NRC Notified By: Brian D. Goretzki
HQ OPS Officer: Lloyd Desotell
Notification Date: 08/26/2021
Notification Time: 17:43 [ET]
Event Date: 08/17/2021
Event Time: 00:00 [MST]
Last Update Date: 08/26/2021
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
KOZAL, JASON (R4)
NMSS_EVENTS_NOTIFICATION, (EMAIL)
Event Text
EN Revision Imported Date: 9/3/2021
EN Revision Text: AGREEMENT STATE REPORT - BROKEN SOURCE HANDLE
The following was received by the Arizona Department of Health Services (the Department) via email:
"The Department received notification on August 26, 2021, from the licensee, that during an inspection on August 17, 2021, to close the source down for a day, the source handle was broken and the shutter was not able to be closed. The licensee taped off the area and called the vendor to come service the gauge. The gauge was removed from service on August 20, 2021. The gauge was a Berthold Density Gauge, Model #LB7440-D-CR, Serial Number B0514, with an activity of 150 mCi of Cs-137. The Department has requested additional information and continues to investigate the event.
"Additional information will be provided as it is received in accordance with SA-300."
Arizona Incident No: 21-005
Power Reactor
Event Number: 55444
Facility: Palo Verde
Region: 4 State: AZ
Unit: [1] [2] [3]
RX Type: [1] CE,[2] CE,[3] CE
NRC Notified By: Mark Bussell
HQ OPS Officer: Brian P. Smith
Notification Date: 09/01/2021
Notification Time: 03:07 [ET]
Event Date: 08/31/2021
Event Time: 20:50 [MST]
Last Update Date: 09/01/2021
Emergency Class: Non Emergency
10 CFR Section:
50.72(b)(3)(xiii) - Loss Comm/Asmt/Response
Person (Organization):
JOSEY, JEFFREY (R4)
Power Reactor Unit Info
| Unit |
SCRAM Code |
RX Crit |
Initial PWR |
Initial RX Mode |
Current PWR |
Current RX Mode |
| 1 |
N |
Y |
100 |
Power Operation |
100 |
Power Operation |
| 2 |
N |
Y |
100 |
Power Operation |
100 |
Power Operation |
| 3 |
N |
Y |
100 |
Power Operation |
100 |
Power Operation |
Event Text
EN Revision Imported Date: 9/3/2021
EN Revision Text: LOSS OF SEISMIC MONITORING SYSTEM
"The following event description is based on information currently available. If through subsequent reviews of this event additional information is identified that is pertinent to this event or alters the information being provided at this time a follow-up notification will be made via the ENS or under the reporting requirements of 10 CFR 50.73.
"On 8/31/21 at 2050 [MST], the Seismic Monitoring System was discovered Non-Functional. This constitutes an unplanned loss of emergency assessment capability for an operational basis earthquake. There is currently no seismic activity in the area according to the U.S. Geological Survey.
"The NRC Resident Inspector was notified of the loss of seismic monitoring capability."