ENS 47257

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v t e ENS Event
13:00 Sep 12, 2011
Title	Missing/Unaccounted for Am-241 Special Form Sealed Source in a M43A1 Chemical Agent Detector
Event Description	A Michigan National Guard Unit in Lansing, MI while preparing for deployment identified that a 250 microcurie Am-241 special form sealed source (S/N Z03-C-36663) was missing from a M43A1 Chemical Agent Detector. The detector was last confirmed intact in 2008 prior to the Unit's last deployment to Iraq. The licensee has initiated a formal investigation and notified the State of Michigan of the incident. * * UPDATE AT 1332 EDT ON 09/13/11 FROM THOMAS GIZICKI TO S. SANDIN VIA FAX * * * Description of the event: On September 12, 2011 the Michigan Army National Guard, United States Property and Fiscal Office (USPFO) warehouse, Lansing, MI reported to the licensee of a missing Am-241 cell from a M43A1 chemical agent detector. The Am-241 cell is a sealed source, special form that contains 250 microcuries of Am-241. The Am-241 cell (s/n C-36663) belonged to detector s/n D-36025. Detector is NSN 6665-01-081-8140 and SSDR no. NR-1129-D-102-S (inactive). The detector with Am-241 cell belongs to 'A' Co. 125th Infantry. A physical inventory was performed by 'A' Co. in January 2008 at which time the unit was deployed to Kuwait for 1 year. The unit was getting ready for redeployment to Kuwait in the next several weeks and performed an inspection of all equipment needing to be shipped. It was at this time that cell C-36663 was discovered missing from the detector. The USPFO warehouse was searched wall to wall and the missing cell was not found. The Michigan National Guard is conducting a formal investigation regarding the lost radioactive cell. Exposure to personnel is not likely to occur in an unrestricted area since the Am-241 source is contained in a cell module that is sealed source special form. Notified R3DO (Lipa) and FSME (McIntosh). Provided to ILTAB (Whitney) via e-mail. * * RETRACTION AT 1148 EDT ON 09/22/11 FROM THOMAS GIZICKI TO PETE SNYDER * * * The item identified as lost was located on post therefore this report is retracted. Notified R3DO (Stone) and FSME (McIntosh). Provided to ILTAB (Allston) via e-mail. THIS MATERIAL EVENT CONTAINS A "LESS THAN CAT 3" LEVEL OF RADIOACTIVE MATERIAL Sources that are "Less than IAEA Category 3 sources," are either sources that are very unlikely to cause permanent injury to individuals or contain a very small amount of radioactive material that would not cause any permanent injury. Some of these sources, such as moisture density gauges or thickness gauges that are Category 4, the amount of unshielded radioactive material, if not safely managed or securely protected, could possibly - although it is unlikely - temporarily injure someone who handled it or were otherwise in contact with it, or who were close to it for a period of many weeks. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf This source is not amongst those sources or devices identified by the IAEA Code of Conduct for the Safety & Security of Radioactive Sources to be of concern from a radiological standpoint. Therefore is it being categorized as a less than Category 3 source.

ENS 47257 +/- *RETRACTED*
Where
U.S. Army Warren, Michigan (NRC Region 3)
License number:	12-00722-06
Organization:	U.S. Army
Reporting

10 CFR 20.2201(a)(1)(i)
Time - Person (Reporting Time:+4.32 h0.18 days <br />0.0257 weeks <br />0.00592 months <br />)
Opened:	Thomas Gizicki 17:19 Sep 12, 2011
NRC Officer:	Steve Sandin
Last Updated:	Sep 22, 2011
47257 - NRC Website
v • d • e

v t e Emergency Notification System
U.S. Army with 10 CFR 20.2201(a)(1)(i)
WEEKMONTHYEAR2015-09-30T04:00:00 [Table view]
[ENS list for U.S. Army]

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