ENS 57672

v t e ENS Event
05:00 Apr 17, 2025
Title	Failure of Exit Portal Monitor
Event Description	The following report was received by the Illinois Emergency Management Agency (the Agency) via phone and email: The corporate radiation safety officer for Isomedix Operations, Inc. (IL-01123-02) contacted the Agency on 4/18/2025 to report that during routine monthly testing of the exit portal monitor conducted on 4/17/2025, on the Co-60 pool irradiator (irradiator 192), the monitor failed to respond to radiation. The issue was immediately identified as corrosion on the cable-to-probe connection and was subsequently repaired, tested, and found to be functional. There was no report of exposure to personnel or loss of control. The licensee reported the failure within 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> as required by 346.830(a) and will submit a written report within 30 days as required. Illinois Item Number: IL250017

ENS 57672 +/-
Where
Isomedix Operations, Inc. Libertyville, Illinois (NRC Region 3)
License number:	IL-01123-02
Organization:	Illinois Emergency Mgmt. Agency
Reporting

Agreement State
Time - Person (Reporting Time:+32.48 h1.353 days <br />0.193 weeks <br />0.0445 months <br />)
Opened:	Robin Muzzalupo 13:29 Apr 18, 2025
NRC Officer:	Kerby Scales
Last Updated:	Apr 18, 2025
57672 - NRC Website
v • d • e

v t e Emergency Notification System
Isomedix Operations, Inc. with Agreement State
WEEKMONTHYEAR2025-07-16T05:00:00 [Table view]
[ENS list for Isomedix Operations, Inc.]

Navigation menu