ENS 56973

v t e ENS Event
06:00 Feb 16, 2024
Title	Agreement State - Shutter Stuck in Shielded Position
Event Description	The following information was provided by Texas Department of State Health Services (the Department) via email: On February 16, 2024, the Department was contacted by the licensee's radiation safety officer (RSO) that the source in a Mark 1 irradiator could not be raised or lowered. The device contains a 10,000-curie cesium-137 source (original activity manufactured 6/25/1986). The source problem was discovered when a researcher was attempting to irradiate a few mice and the source would not raise. The RSO stated they inspected the device and found a fuse that controlled the source's movement both up and down had failed. The RSO stated they had contacted a service company to repair the device. The source is in the fully shielded position. No individuals received any exposure due to this event. Additional information will be provided as it is received in accordance with SA-300. Texas NMED number: TX240006

ENS 56973 +/-
Where
Uni Of Tx Md Anderson Cancer Center Houston, Texas (NRC Region 4)
License number:	L00466
Organization:	Texas Dept Of State Health Services
Reporting

Agreement State
Time - Person (Reporting Time:+12.17 h0.507 days <br />0.0724 weeks <br />0.0167 months <br />)
Opened:	Arthur Tucker 18:10 Feb 16, 2024
NRC Officer:	Sam Colvard
Last Updated:	Feb 21, 2024
56973 - NRC Website
v • d • e

v t e Emergency Notification System
Uni Of Tx Md Anderson Cancer Center with Agreement State
WEEKMONTHYEAR2024-02-16T06:00:00 [Table view]
[ENS list for Uni Of Tx Md Anderson Cancer Center]

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