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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 41712 | 18 May 2005 16:30:00 | 10 CFR 20.2201(a)(1)(i) | Eight Iodine-125 Seeds Lost Down a Sink | Radiation Safety Officer for Boone Hospital located in Columbia, MO., reported the following event: A pre-loaded cartridge containing 15 Iodine-125 seeds, activity of each seed is 0.31 millicuries, was sent to the sterilization room of the hospital. Upon arrival the person handling the pre-loaded cartridge, not familiar with handling the cartridge, unscrewed the cap to the cartridge and the 15 seeds inside the cartridge fell out. Some of the seeds went down the drain of the sink and the rest ended up inside a tray or on the counter around the sink. Seven of the Iodine-125 seeds were recovered. Eight of the seeds that went down the sink were not recovered. Radiation surveys were performed in the sterilization room and no other seeds were found. Total activity of the missing eight Iodine-125 seeds is 2.48 millicures. The person opening the pre-loaded cartridge did not receive any dose according to the Radiation Safety Officer. |