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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 57064 | 29 February 2024 05:00:00 | Agreement State | Lost Source | The following information was received via email by the Illinois Emergency Management Agency (the Agency): Annual self-inspection request was sent to all generally licensed entities on February 15, 2024. This registrant e-mailed back on February 21, 2024, indicating that he was no longer associated with the company, the company was no longer in business in Illinois, and the radioactive material was lost. The company was sold and the radioactive material was sold with the other assets. However, the sources were in place as recently as January 3, 2020, when they submitted their last self-inspection. The registration had three 10 mCi nickel-63 (Ni-63) sealed sources on their inventory. After continued research, the Agency was unable to track down the sources. The Agency contacted the manufacturer, Shimadzu, who did not have any records of any service work on the 3 sources or disposal paperwork. The new company could not be found. These sources do not pose a health or safety risk to the public. Pending any new information, this matter is considered closed. Illinois Item Number: IL240005 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 |