Event Notification Report for April 11, 2022

EN Revision Imported Date: 4/11/2022

EN Revision Text: AGREEMENT STATE REPORT - FAILED INDICATOR

The following information was received from the South Carolina Department of Health and Environmental Control via email:

"During a routine inspection of a licensee's specific license on 03/23/22, the South Carolina Department of Health and Environmental Control was informed that a generally licensed fixed gauging device (80 milliCurie, Kr-85, Mahlo Model 6270, serial number PH847) had a failed indicator and had been repaired by the manufacturer on 01/11/22. Dose rate surveys of the fixed gauging device were performed by Department inspectors and indicated readings below the external radiation levels outlined in the sealed source and device registry certificate. The licensee submitted a written notification of the event to the Department on 03/30/22. This event is still under investigation by the South Carolina Department of Health and Environmental Control."

EN Revision Imported Date: 4/11/2022

EN Revision Text: AGREEMENT STATE REPORT - SOURCE DISCONNECT OF AN INDUSTRIAL RADIOGRAPHY CAMERA

The following information was received from the Louisiana Department of Environmental Quality (LDEQ) via email:

"On April 1, 2022, LDEQ received this event notification. The licensee was working at Bayer Crop Science, LP performing industrial radiography work on March 28, 2022. At approximately 1051 CDT, the RSO [(Radiation Safety Officer)] was notified of a source disconnect. The event involved a QSA 880 Delta, serial number 7511, source serial number 4806514. The source was an Ir-192 with an activity of 59 Ci. The drive cable end connector had broken off from the drive cable. The source was retrieved back into a shielded condition.

"The person performing the source retrieval received 460 mR exposure.

"The radiographer involved had his pocket ion chamber go off scale and his badge was sent in. The badge read 337 mR which was at the end of the working month."

Louisiana Event Report ID No.: LA 20220004

EN Revision Imported Date: 4/11/2022

EN Revision Text: NON-AGREEMENT STATE REPORT - LOST MEDICAL DOSE

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

"Two clinical doses of Xofigo [(radium (Ra-223) dichloride, 119 microcuries)] were delivered to the Nuclear Medicine department on 3/31/2022. A patient scheduled for one of the doses on Thursday 3/31/2022 was successfully administered with the activity. A second patient was scheduled to receive the second dose on 4/1/2022 at 1300 EDT.

"At scheduled time, the Nuclear Medicine technologists could not locate the second dose. After a thorough search, the RSO [(Radiation Safety Officer)] was notified. It is suspected that the second dose was accidentally disposed of in the box in which both doses were received.

"The first dose was properly disposed of in a radioactive sharps container, and the second dose remained in the delivery box within the secured hot lab area. It is suspected that a nuclear medicine technologist threw the box away without realizing a second dose was inside, as it is an extremely rare occurrence for two doses to be delivered concurrently. The dose was not detected during the end of day survey nor by portal monitoring at the waste facility, due to the relatively low activity and low yield of x-rays/gamma-rays (Ra-223 is primarily an alpha emitter)."

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

EN Revision Imported Date: 4/11/2022

EN Revision Text: AGREEMENT STATE REPORT - ELECTRON CAPUTRE DETECTOR LEAKING SOURCE

The following information was received from the Ohio Bureau of Radiation Protection via email:

"Report of a leaking General License Ni-63 source (Model: G2397A, S/N: U3951) on an Electron Capture Detector. The source was returned to the manufacturer.

"Leak test result: 20 microcuries (740 kBq)"

NMED Item Number: OH220004

* * * UPDATE ON 4/5/22 AT 1413 EDT FROM S. JAMES TO T. HERRITY * * *

"UPDATES/CORRECTIONS ON LICENSEE NAME, ACTIVITY AND LEAK TEST RESULTS: Leak test was taken on Electron Capture Detector (ECD) in storage as part of 6-month cycle. ECD contained 15 mCi Ni-63 source. Results came back indicating leaking source at 2000 pCi. No contamination of the ECD was found. The ECD will be permanently taken out of service and returned to manufacturer."

Licensee name updated to full name: Eurofins Environment Testing North Central, LLC

Notified R3DO (McCraw) and NMSS Events via email.

EN Revision Imported Date: 4/11/2022

EN Revision Text: AGREEMENT STATE REPORT - TWO STOLEN THEN RECOVERED MOISTURE DENSITY GAUGES

The following information was received via E-mail from the California Department of Public Health - Radiologic Health Branch (RHB):

"On 4/1/22, at 1934 PDT, California Office of Emergency Services (CalOES) contacted RHB to report two moisture density gauges stolen from a licensee's storage facility. The stolen gauges included a CPN Model MC1-DR, S/N MD 80709102 and a CPN Model MC1-Elite, S/N MD 70408697, each containing 10 mCi of Cs-137 and 40 mCi of Am-241. Both gauges were stolen between the hours of approximately 1700 PDT on 3/31/22 and 0900 PDT on Friday, 4/1/2022, from the locked storage shed located in the lower parking lot of the licensee's office [redacted] in Novato, CA. The licensee had notified the Novato Police Department of the theft immediately after it was discovered. On 4/2/22, RHB contacted the licensee and learned that both gauges had been recovered by the Novato PD. They were located on a paved walking trail south of the licensee's office building. Per the RSO [(Radiation Safety Officer)], the gauges did not have any evidence of tampering except minor damage to one of the Type A containers. On 4/4/22, both gauges will be taken to Instrotek for further evaluation and leak testing. "

California 5010 Number: 040122

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

EN Revision Imported Date: 4/11/2022

EN Revision Text: PART 21 - CURTISS-WRIGHT ACTUATOR BRAKE WIRING DEFICENCY REPORT

The following information was provided by Curtiss-Wright Nuclear Division via fax:

"The Tennessee Valley Authority (TVA) Browns Ferry Plant notified us (QualTech NP, Curtiss-Wright Nuclear Division) of two separate RCS/Dresser actuator failures which we had provided as safety related components. According to TVA, the first failure occurred on February 7, 2022, after being installed for approximately 167 days. The 2nd failure occurred on February 9, 2022, and was in service for approximately 24 hours when it failed.

"According to TVA in both cases the actuator's brake assembly wire harness shorted out to the frame, causing the on-board fuse to blow, disabling the actuator. The electrical short was caused by the wire harness laying against a sharp edge of the metal frame, which over time led to fraying of the wire insulation and subsequent bare wire to frame contact.

"Both units were returned to QualTech NP for evaluation and our findings confirmed TVA's assessment.

"The root cause of the issue is friction between the wires and the sharp metallic edge that over time cut through the insulation via vibration, which in turn shorted the power leads to the frame. This shorting effect was due to poor positioning and restraint of the wire harness/bundle by the manufacturer during assembly. It is not considered a design flaw, but a workmanship issue caused by the factory assembler.

"The corrective action taken with the two units was to install new brake assemblies and reposition the wire harness to prevent contact with the sharp edge. In addition, wire ties were added to restrain the wire's movement and keep it away from the sharp edge. As a follow up action, the associated dedication plan will be revised to inspect for this workmanship issue and correct as needed.

"Additional details are provided in the failure evaluation. QualTech NP has only sold this part to TVA (Browns Ferry) and could not find any additional failures of this type reported by the industry. Identification of the customer's orders and hardware involved are provided in the evaluation.

"Please phone (513) 528-7900 if you should have any questions."

EN Revision Imported Date: 4/11/2022

EN Revision Text: FITNESS-FOR-DUTY REPORT - FAILED FITNESS-FOR-DUTY TEST

The following information was provided by the licensee via phone call:

"At 0909 EDT on 4/7/2022, it was determined that a security officer tested positive during a random fitness-for-duty test. The individual's authorization for site access has been terminated.

"The NRC Resident Inspector has been notified."

EN Revision Imported Date: 4/11/2022

EN Revision Text: BOTH TRAINS OF RESIDUAL HEAT REMOVAL INOPERABLE

The following information was provided by the licensee via fax or email:

"At 1900 EDT on 04/07/22, while Unit 4 was in Mode 4 following a refueling outage, it was discovered that both trains of residual heat removal (RHR) were simultaneously inoperable due to gas voiding. At 2032 EDT corrective actions were completed and both trains of RHR were declared operable. This condition is being reported pursuant to 10 CFR 50.72(b)(3)(v)(B).

"The NRC Resident Inspector has been notified."