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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 52428 | 23 November 2016 06:00:00 | Agreement State | Agreement State Report - Lost Tritium Exit Signs | The following report was received via e-mail: Doan College contacted our office (Nebraska Office of Radiological Health) by phone on November 23, 2016 to notify our office of two lost exit signs. Licensee was notified they would need to send in written notification. In a letter dated November 29, 2016, the licensee indicated that multiple renovations were made to the building housing the exit signs between 2006 and 2016. The exit signs were likely removed during one of these renovations. They also estimate that the incident was not caught prior to this due to personnel changes. Manufacturer: Safety Light Corp. Model: 880-12-6-10 Source Activity: 7.5 Ci Nebraska Event: NE160002 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 |