The following report was received from the state via e-mail:
Safety Light Model 2040-50-20, Serial Number A10 1821 with 12 Ci of H-3 was shipped in July of 1991 to the facility. In 2002-2003, the facility was remodeled. The facility was sold in 2004. The new owner assumed that they still had the sign and continued to pay the annual fee. This year, one of the owners sold his portion of the business and new staff questioned where the sign was when they received the annual fee notice. The staff believes that the sign was removed at the time of remodeling in 2002-2003.
Nebraska Item Number: NE110009
The licensee determined the sign was lost on 11/4/2011 and reported it to the state on 11/14/2011.
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