ENS Event | |
|---|---|
05:00 Jul 7, 2022 | |
| Title | |
| Event Description | The following information was received from the Wisconsin Department of Health Services via email:
On July 8, 2022, the State was contacted by a representative of the licensee to report a radiation event that had been identified on July 7. The licensee was performing routine checks on a fixed gauge device, and the individual servicing the gauge identified that the shutter was unable to be closed. All indicators are functioning as required to alert that the gauge is open. The device is believed to have been stuck open for approximately 13 hours1.50463e-4 days <br />0.00361 hours <br />2.149471e-5 weeks <br />4.9465e-6 months <br />. Staff who work in the area have been instructed that the device is unable to be closed, and to avoid working around the gauge even when it is not being utilized. The device is a Mahlo Model 11-200933, [serial number] SN: 11-011988. It contains an Eckert and Ziegler Pm-147 [Model] PHC.C1 source, SN:AH-4968. It has an assay date of April 15, 2016, 1000 mCi. It currently contains approximately 193 mCi. The licensee performed a dose reconstruction of any individual who would have been at the 8 foot boundary of the gauge, which indicates minimal exposure. The manufacturer was notified and is currently coordinating with the licensee to get a service engineer on site. The department will continue to follow-up with the licensee. WI incident no.: WI220014 |
| Where | |
|---|---|
| 3M Company Menomonie, Wisconsin (NRC Region 3) | |
| License number: | 033-2030-01 |
| Organization: | Wisconsin Radiation Protection |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+31.32 h1.305 days <br />0.186 weeks <br />0.0429 months <br />) | |
| Opened: | Kyle Walton 12:19 Jul 8, 2022 |
| NRC Officer: | Brian Lin |
| Last Updated: | Jul 8, 2022 |
| 55982 - NRC Website | |
3M Company with Agreement State | |
WEEKMONTHYEARENS 568702023-11-22T14:15:00022 November 2023 14:15:00
[Table view]Agreement State Broken Gauge Shutter ENS 563062023-01-09T06:00:0009 January 2023 06:00:00 Agreement State Stuck Shutter ENS 559822022-07-07T05:00:0007 July 2022 05:00:00 Agreement State Stuck Open Shutter ENS 552042021-04-15T14:00:00015 April 2021 14:00:00 Agreement State Static Eliminator Lost in Shipping ENS 521172016-07-14T05:00:00014 July 2016 05:00:00 Agreement State Agreement State Report - Lost Static Eliminator Source 2023-11-22T14:15:00 | |