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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 52429 | 8 December 2016 06:00:00 | Agreement State | Agreement State Report - Lost Tritium Exit Sign | The following report was received via e-mail: During an annual inventory review, the licensee discovered a tritium exit sign was missing/lost. The licensee notified our office (Nebraska Office of Radiological Health) via phone call on 12/8/16 and followed it up with an e-mail the same day. The licensee stated there has been new construction in the area and assumes the sign went missing during this time. Manufacturer: Safety Light Corp Model: 880-12-6R-20 Source Activity: 11.5 Ci Nebraska Event: NE160003 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 |