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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 54204 | 7 August 2019 04:00:00 | 10 CFR 20.2201(a)(1)(i) 10 CFR 30.50(a) | Iridium-192 Source Lost During Shipment | A 0.78 Curie (today's activity) Ir-192 source was lost during shipment from the Mayo Clinic in Rochester, MN to Alpha-Omega Services in Vinton, LA. The last known location was Memphis, TN with the common carrier. Its original shipment date was February 8, 2019. The licensee contacted the common carrier upon suspicion of loss on June 4, 2019. On August 7, 2019, the source had not been located and was deemed lost. 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 52944 | 30 August 2017 04:00:00 | 10 CFR 20.2201(a)(1)(i) | Iridium-192 Source Lost During Shipment | A 3.792 Curie Ir-192 source was removed from a Varian High Dose Rate afterloader and prepared for shipment by common carrier. The packaged source was picked up from Glens Falls Hospital in Glens Falls, New York by a representative of the common carrier on August 21, 2017. The destination of the source was to Alpha-Omega Services in Vinton, Louisiana for disposal. The source arrived at the common carrier's local station in Manands, New York on August 22, 2017. When the licensee checked package tracking information on August 30, 2016, the licensee noted that the package indicated that it was still at the common carrier's local station. The licensee attempted to contact the common carrier on August 30, 2017 without success. The licensee successfully contacted the common carrier on August 31, 2017 and the common carrier initiated a 'station trace' at that time. At the present time the source has not been located. The common carrier is still searching.
The Ir-192 source was located by the common carrier at 1837 PDT on 9/1/17. The package was delivered to the recipient on 8/29/17. Notified R1DO (Dentel), NMSS Events Notification, and Canada. THIS MATERIAL EVENT CONTAINS A "CATEGORY 3" LEVEL OF RADIOACTIVE MATERIAL Category 3 sources, if not safely managed or securely protected, could cause permanent injury to a person who handled them, or were otherwise in contact with them, for some hours. It could possibly - although it is unlikely - be fatal to be close to this amount of unshielded radioactive material for a period of days to weeks. These sources are typically used in practices such as fixed industrial gauges involving high activity sources (for example: level gauges, dredger gauges, conveyor gauges and spinning pipe gauges) and well logging. For additional information go to http://www-pub.iaea.org/MTCD/publications/PDF/Pub1227_web.pdf Note: This device is assigned an IAEA Category 3 value based on the actual radioactivity of the source, not on the device type. (Reference IAEA RG-G-1.9) |