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Event Notification Report for October 17, 2019

U.S. Nuclear Regulatory Commission
Operations Center

Event Reports For
10/16/2019 - 10/17/2019

** EVENT NUMBERS **


54317 54319 54332 54333 54335

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Agreement State Event Number: 54317
Rep Org: ARIZONA DEPT OF HEALTH SERVICES
Licensee: NEI GEOTECHNICAL
Region: 4
City: YUMA   State: AZ
County:
License #: 14-028
Agreement: Y
Docket:
NRC Notified By: BRIAN GORETZKI
HQ OPS Officer: JEFF HERRERA
Notification Date: 10/08/2019
Notification Time: 17:08 [ET]
Event Date: 09/05/2019
Event Time: 00:00 [MST]
Last Update Date: 10/08/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
AGREEMENT STATE
Person (Organization):
RAY KELLAR (R4DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
ILTAB (EMAIL)
- CNSNS (MEXICO) (EMAIL)
This material event contains a "Less than Cat 3" level of radioactive material.

Event Text

AGREEMENT STATE REPORT - NUCLEAR DENSITY GAUGE STOLEN FROM JOB SITE

The following report was received from the Arizona Department of Health Services via email:

"The Department [Arizona Department of Health Services] received notification on October 8, 2019, that a Humboldt 5001 series, SN#5820, portable gauge was stolen from a work site in San Luis, Arizona, on September 5, 2019. The portable gauge contains 44 milliCuries of americium-241 and 11 milliCuries of cesium-137. The Arizona Department of Public Safety and the San Luis Police Department were notified of the event by the licensee on September 5th and a police report was filed. The Department [Arizona Department of Health Services] has requested additional information and continues to investigate the event."

Arizona Incident Number: 19-023

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

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Fuel Cycle Facility Event Number: 54319
Facility: GLOBAL NUCLEAR FUEL - AMERICAS
RX Type: URANIUM FUEL FABRICATION
Comments: LEU CONVERSION (UF6 TO UO2)
LEU FABRICATION
LWR COMMERICAL FUEL
Region: 2
City: WILMINGTON   State: NC
County: NEW HANOVER
License #: SNM-1097
Docket: 07001113
NRC Notified By: PHILLIP OLLIS
HQ OPS Officer: HOWIE CROUCH
Notification Date: 10/09/2019
Notification Time: 15:55 [ET]
Event Date: 10/09/2019
Event Time: 13:00 [EDT]
Last Update Date: 10/09/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
PART 70 APP A (c) - OFFSITE NOTIFICATION/NEWS REL
Person (Organization):
EUGENE GUTHRIE (R2DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

CONCURRENT NOTIFICATION DUE TO PLANNED MAINTENANCE ON FIRE PROTECTION SYSTEM

"At 1300 (EDT) on October 9th, 2019, the New Hanover County Deputy Fire Marshall was notified per State code requirements that the electric fire pump supporting the Fuel Manufacturing Operation (FMO) was being taken offline for maintenance. An electrical disconnect was being replaced. Compensatory measures were enacted. The pump was restored to operation at 1348 (EDT). Because the New Hanover County Deputy Fire Marshall was notified, a concurrent notification to the NRC Operations Center is being made per 10 CFR 70, Appendix A(c)."

The licensee will notify NRC Region 2 and the North Carolina Department of Health and Human Services Radiation Protection Branch.

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Power Reactor Event Number: 54332
Facility: BROWNS FERRY
Region: 2     State: AL
Unit: [] [2] []
RX Type: [1] GE-4,[2] GE-4,[3] GE-4
NRC Notified By: WESLEY CONKLE
HQ OPS Officer: HOWIE CROUCH
Notification Date: 10/16/2019
Notification Time: 10:22 [ET]
Event Date: 08/20/2019
Event Time: 11:33 [CDT]
Last Update Date: 10/16/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
50.73(a)(1) - INVALID SPECIF SYSTEM ACTUATION
Person (Organization):
BRADLEY DAVIS (R2DO)
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
2 N Y 73 Power Operation 73 Power Operation

Event Text

60-DAY OPTIONAL TELEPHONIC NOTIFICATION OF INVALID SPECIFIED SYSTEM ACTUATION

"This 60-day telephone notification is being made per the reporting requirements specified by 10 CFR 50.73(a)(2)(iv)(A) and 10 CFR 50.73(a)(1) to describe an invalid actuation of a general containment isolation signal affecting more than one system. On August 20, 2019, at approximately 1133 hours Central Daylight Time (CDT), Browns Ferry Nuclear Plant (BFN), Unit 2 experienced an unexpected loss of the 2A Reactor Protection System (RPS). This resulted in Primary Containment Isolation System (PCIS) groups 2, 3, 6, and 8 isolations, and initiation of Standby Gas Treatment Trains A, B, and C and Control Room Emergency Ventilation System Train A. All affected safety systems responded as expected.

"Plant conditions which initiate PCIS Group 2 actuations are Reactor Vessel Low Water Level (Level 3) or High Drywell Pressure. The PCIS Group 3 actuations are initiated by Reactor Vessel Low Water Level (Level 3) or Reactor Water Cleanup Area High Temperature. The PCIS Group 6 actuations are initiated by Reactor Vessel Low Water Level (Level 3), High Drywell Pressure, or Reactor Building Ventilation Exhaust High radiation (Reactor Zone or Refuel Zone). The PCIS Group 8 actuations are initiated by Low Reactor Vessel Water Level (Level 3) or High Drywell Pressure. At the time of the event, these conditions did not exist; therefore, the actuation of the PCIS was invalid.

"The cause of the RPS MG Set trip was dirty potentiometer windings on an Over Voltage Relay. The dirt prevented the potentiometer's wiper from contacting its windings, resulting in erratic setpoint values.

"There were no safety consequences or impact to the health and safety of the public as a result of this event.

"This event was entered into the Corrective Action Program as Condition Reports 1542603, 1542608, and 1542569.

"The NRC Resident Inspector has been notified of this event."

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Power Reactor Event Number: 54333
Facility: HARRIS
Region: 2     State: NC
Unit: [1] [] []
RX Type: [1] W-3-LP
NRC Notified By: NATHAN BLANTON
HQ OPS Officer: JEFF HERRERA
Notification Date: 10/16/2019
Notification Time: 14:28 [ET]
Event Date: 10/16/2019
Event Time: 08:29 [EDT]
Last Update Date: 10/16/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xii) - OFFSITE MEDICAL
Person (Organization):
BRADLEY DAVIS (R2DO)
WILLIAM GOTT (IRD)
CHRIS MILLER (NRR EO)
Unit SCRAM Code RX Crit Initial PWR Initial RX Mode Current PWR Current RX Mode
1 N N 0 Refueling 0 Refueling

Event Text

OFFSITE NOTIFICATION DUE TO THE TRANSPORT OF A POTENTIALLY CONTAMINATED PERSON OFFSITE

"On October 16, 2019, at 0829 [EDT], an individual was transported for treatment to an offsite facility to address a personal medical issue. Due to the nature of the medical condition, only a partial survey could be completed prior to transport. Follow-up surveys performed by radiation protection technicians identified no radiological contamination of the worker or of the ambulance and response personnel.

"This event is being reported per 10 CFR 50.72(b)(3)(xii), 'Any event requiring the transport of a radioactively contaminated person to an offsite medical facility for treatment.' The NRC Resident Inspectors have been notified."

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Fuel Cycle Facility Event Number: 54335
Facility: WESTINGHOUSE ELECTRIC CORPORATION
RX Type: URANIUM FUEL FABRICATION
Comments: LEU CONVERSION (UF6 to UO2)
COMMERCIAL LWR FUEL
Region: 2
City: COLUMBIA   State: SC
County: RICHLAND
License #: SNM-1107
Docket: 07001151
NRC Notified By: GERALD COUTURE
HQ OPS Officer: BRIAN LIN
Notification Date: 10/16/2019
Notification Time: 19:05 [ET]
Event Date: 10/16/2019
Event Time: 00:00 [EDT]
Last Update Date: 10/16/2019
Emergency Class: NON EMERGENCY
10 CFR Section:
PART 70 APP A (b)(1) - UNANALYZED CONDITION
Person (Organization):
BRADLEY DAVIS (R2DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)

Event Text

AN ITEM RELIED ON FOR SAFETY (IROFS) DETERMINED TO BE INADEQUATE

The following was reported by Westinghouse Electric Company via email:

"As part of a review to revalidate the design of passive safety controls, on October 16, 2019 an engineering calculation was completed which demonstrates that one of two independent and redundant passive overflow devices used in the Solvent Extraction (SOLX) process was undersized for its credited safety function. This passive overflow device is an Item Relied On For Safety (IROFS), designated as SOLX -115. The IROFS prevents the potential backflow of uranium bearing solution from the SOLX process into the commercially-provided, chemical supply drums. These drums are non-favorable geometry (NFG) containers used to add chemicals to the batch process. Upon review of the calculation, the process engineer reported the issue at 3:05 p.m. [EDT] to the Environmental Health and Safety (EH&S) department.

"The design of the second, redundant passive overflow IROFS in this accident sequence (SOLX-117) has been validated and is available and reliable to perform its safety function. Under the new calculation, with no credit for SOLX-115, the overall likelihood index (OLI) for this scenario increased from -6 to -3. Therefore, the 10CFR70.61 performance requirements (OLI < -4) are not satisfied.

"The process was shut down, and the NFG chemical drums were isolated from the process until appropriate controls are established. This event has been entered into the facility's Corrective Action Program (CAP)."

The licensee notified the NRC Region II office (McCurry).


Page Last Reviewed/Updated Thursday, October 17, 2019
Thursday, October 17, 2019