ENS 55358

v t e ENS Event
20:30 Jul 15, 2021
Title	Fixed Nuclear Gauge Stuck Shutter
Event Description	The following information was received via E-mail: At 1400 CDT on July 16, 2021, the State was contacted by a representative of the licensee to report a radiation event that had been identified at 1530 CDT on July 15. The licensee was performing routine checks on a fixed gauge device. As part of the checks, they ensure that the shutter is able to be opened and closed. 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. 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, SN: 11-011988-ah-4868. It contains an Eckert and Ziegler Pm-147 source, SN: AH-4968. It has an assay date of 4/15/16, 1000 mCi. It currently contains approximately 250 mCi. No exposures of any individuals are suspected. 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 as arrangements are made. Wisconsin Event Report ID No.: WI210006

ENS 55358 +/-
Where
3M Company, Corporate Radiation Protection And Compliance Menomonie, Wisconsin (NRC Region 3)
License number:	033-2030-01
Organization:	Wisconsin Radiation Protection
Reporting

Agreement State
Time - Person (Reporting Time:+19.93 h0.83 days <br />0.119 weeks <br />0.0273 months <br />)
Opened:	Kyle Walton 16:26 Jul 16, 2021
NRC Officer:	Donald Norwood
Last Updated:	Jul 16, 2021
55358 - NRC Website
v • d • e

v t e Emergency Notification System
3M Company, Corporate Radiation Protection And Compliance with Agreement State
WEEKMONTHYEAR2021-07-15T20:30:00 [Table view]
[ENS list for 3M Company, Corporate Radiation Protection And Compliance]

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