The State provided the following information via facsimile:
Safety Light shipped 15 self illuminating exit signs to Fagen, Inc. on April 14, 2003 with serial numbers 220369 - 220383. The signs were [Safety Light Corp] model SLX-60 with 11.5 curies [of Tritium (H-3)] in each. Fagen, Inc. was the contractor for Kaapa Ethanol, LLC In Minden, Nebraska. Fagen, Inc. staff suspect that five signs were stolen on May 22 or 23, 2003 from a trailer that they kept supplies in. They [Fagen, Inc] then ordered six additional signs (five for the ones suspected stolen and one needed for an additional area needing a sign). Safety Light shipped the six signs on June 17, 2003 with serial numbers 211313-211318. Kaapa Ethanol, LLC took over the plant in January of 2004. When Kaapa did a complete inventory of the signs in 2005 they could not locate all of the signs. After a number of emails and phone calls it was determined that in addition to the unreported five signs that were missing in May of 2003, one additional sign from the April 14, 2003 order and three from the June 17, 2003 order were also missing. They believe that the signs were taken/stolen the first week of January 2004. Kappa Ethanol staff does not believe that the nine missing signs were ever installed.
Serial numbers of stolen exit signs: 220369, 220370, 220371, 220372, 220373, 220380, 211315, 211316, 211317.
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.