ENS 55672

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v t e ENS Event
18:00 Oct 11, 2021
Title	Lost Tritium Exit Signs
Event Description	The following information was provided by the Nebraska Department of Health and Human Services via email: During annual inventory inspection, two devices were found missing and new non-radioactive exit lights had been installed. Further investigation found that on October 11, 2021, Slater Electric of Grand Island, NE was hired to install the devices. Removal of the tritium [23 curies] devices was not part of the scope of work, but Slater took it upon themselves to remove the old devices and disposed of them in the garbage at their shop in Grand Island, NE which has since went to the landfill. To avoid future instances, Aurora Cooperative discussed with Slater Electric the importance of proper disposal of the signs containing radioactive material and steps to take if hired to do such work again. No further follow up is needed. Item Number: NE210004 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

ENS 55672 +/-
Where
Aurora Cooperative Ethanol, Llc Aurora, Nebraska (NRC Region 4)
License number:	GL0704
Organization:	Ne Div Of Radioactive Materials
Reporting

Agreement State
Time - Person (Reporting Time:+1743.08 h72.628 days <br />10.375 weeks <br />2.388 months <br />)
Opened:	Deb Wilson 10:05 Dec 23, 2021
NRC Officer:	Caty Nolan
Last Updated:	Dec 23, 2021
55672 - NRC Website
v • d • e

v t e Emergency Notification System
Aurora Cooperative Ethanol, Llc with Agreement State
WEEKMONTHYEAR2021-10-11T18:00:00 [Table view]
[ENS list for Aurora Cooperative Ethanol, Llc]

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