ENS 40751

v t e ENS Event
17:15 May 13, 2004
Title	Contamination Event While Conducting Maintenance
Event Description	The incident occurred at Ft Carson, CO in the Direct Support (DS) maintenance Shop on 13 May 2004. It involved a M64A1 mortar sight unit containing 6.69 curies of tritium gas in sealed source form (NSN 124001-379-7953). The M64 mortar was being turned in by the 10th Special Forces for routine maintenance. It was discovered that a mechanical pin needed to be removed from the M64 in order to fix it. After fixing the pin the device was leak tested. Leak test results showed removable contamination of approximately 2.5 million dpm [disintegrations per minute] (1.12 microcuries). The RSO took immediate action upon receiving the wipe test result of the device. He double bagged the device and placed it in a secured area. Several area wipes were performed of the shop area and of areas outside the shop area. The shop area showed contamination ranging from 500 dpm to 900 K dpm. The RSO took action to remove items from the shop that were contaminated. Survey results showed that the tritium contamination did not spread outside of the machining area. Three persons were bioassayed. Bioassay results were not available at the time of this report.

ENS 40751 +/-
Where
U.S. Army Rock Island, Illinois (NRC Region 3)
License number:	10-00722-06
Organization:	U.S. Army
Reporting

10 CFR 30.50(b)(1)
Time - Person (Reporting Time:+24.38 h1.016 days <br />0.145 weeks <br />0.0334 months <br />)
Opened:	Thomas Gizicki 17:38 May 14, 2004
NRC Officer:	Bill Gott
Last Updated:	May 14, 2004
40751 - NRC Website
v • d • e

v t e Emergency Notification System
U.S. Army with 10 CFR 30.50(b)(1)
WEEKMONTHYEAR2013-04-11T17:00:00 [Table view]
[ENS list for U.S. Army]

Navigation menu