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Home NRC Library Document Collections Events, Reports Associated with Event Notification Reports 2025

Event Notification Report for January 02, 2025

U.S. Nuclear Regulatory Commission
Operations Center

EVENT REPORTS FOR
12/31/2024 - 01/02/2025

EVENT NUMBERS
57481
Agreement State
Event Number: 57481
Rep Org: SC Dept of Health & Env Control
Licensee: Mitsubishi Chemical America, Inc.
Region: 1
City: Greer   State: SC
County:
License #: 036
Agreement: Y
Docket:
NRC Notified By: Andrew Roxburgh
HQ OPS Officer: Sam Colvard
Notification Date: 12/26/2024
Notification Time: 10:21 [ET]
Event Date: 12/24/2024
Event Time: 21:00 [EST]
Last Update Date: 12/26/2024
Emergency Class: Non Emergency
10 CFR Section:
Agreement State
Person (Organization):
Elkhiamy, Sarah (R1DO)
NMSS_EVENTS_NOTIFICATION (EMAIL)
Event Text
AGREEMENT STATE REPORT - DAMAGED SAFETY INSTRUMENT

The following information was provided by the South Carolina Department of Environmental Control (the Department) via email:

"At approximately 2100 EST, on December 24, 2024, the licensee's staff noticed a tear in the Mylar window on one of their Thermo-Fisher FC-185 beta gauges, thus causing the system to be shut down. The system was put back into service at approximately 0000 on December 25, 2024. The licensee's radiation safety officer contacted the Department to report the incident at 1502 on December 25, 2024. The Thermo-Fisher Model TFC-185 contains 1250 mCi of Kr-85. The source model number is a Kr85-4, and the serial number is KA-2197. There were no radiation exposures resulting from the service of the gauge."