ENS 41015

v t e ENS Event
18:30 Sep 3, 2004
Title	Wi Agreement State: Loss of Control of Radioactive Material
Event Description	On Friday, September 3, 2004 at approximately 1:30 p.m., the Wisconsin Radiation Protection Section (RPS) received a telephone call from the University of Wisconsin - Madison (license number 25-1323-01) informing the section of a lost Ir-192 source that had been inadvertently shipped to the University of Arizona Medical Center, Tucson, AZ. Preliminary Information From the Licensee On Monday, August 30, 2004, the University of Wisconsin - Madison calibration lab had completed calibration of a Standard Imaging, Model 1000+ reentrant well chamber (ion chamber used to determine brachytherapy seed dose) and shipped it back to the chamber owner, the University of Arizona Medical Center. Shortly after arrival, the U.A. Medical Center discovered that the chamber contained a 0.4 mCi [milliCurie] Iridium-192 brachytherapy seed that had been used during calibration. The U.A. Medical Center subsequently notified the U.W. Madison of the incident on Friday, September 3, 2004. The licensee estimates that the dose rate from an unshielded 0.4 mCi Ir-192 seed source would be approximately 0.192 mR/hr at 1 meter. The licensee believes that the chamber shielded the source so the dose rate on the surface of the shipping container was negligible.

ENS 41015 +/-
Where
University Of Wisconsin Madison, Wisconsin (NRC Region 3)
License number:	25-1323-01
Organization:	Wisconsin Radiation Protection
Reporting

Agreement State
Time - Person (Reporting Time:+-2.82 h-0.118 days <br />-0.0168 weeks <br />-0.00386 months <br />)
Opened:	Paul Schmidt 15:41 Sep 3, 2004
NRC Officer:	Arlon Costa
Last Updated:	Sep 3, 2004
41015 - NRC Website
v • d • e

v t e Emergency Notification System
University Of Wisconsin with Agreement State
WEEKMONTHYEAR2004-09-03T18:30:00 [Table view]
[ENS list for University Of Wisconsin]

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