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| Entered date | Event description | |
|---|---|---|
| ENS 57204 | 1 July 2024 18:51:00 | The following information was provided by the Colorado Department of Public Health and Environment (the Department) via email: Five Rivers Cattle Feeding, LLC reported eight missing tritium (H-3) exit signs. The initial registration received on June 26, 2012, indicated that each tritium exit sign contained 6.2 Ci (49.6 Ci total). Colorado State Event Report Number: CO240016 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 56642 | 26 July 2023 18:22:00 | The following information was provided by the Colorado Department of Health (the Department) via email: On July 19, 2023, Geotech Environmental Equipment, Inc. informed the Department that they rented a generally licensed Viken PB200i XRF device (SN: 1015) containing a 5 millicurie, cobalt-57 sealed source to Hi-Tech Environmental located in Brooklyn, New York on July 7, 2021. Geotech Environmental Equipment, Inc. stated that as of October 25, 2022, Hi-Tech Environmental stopped replying to emails, stopped paying their rental balance, and was not providing information for returning the device. Geotech Environmental Equipment also stated that as of June 26, 2023, they made the decision to report the XRF device as a transferred device on their 2023 general radioactive material license registration inventory. Based on the description of the event, the device was not transferred and as of July 19, 2023 the Department has determined that Geotech Environmental Equipment, Inc. lost the generally licensed Viken PB200i XRF device (SN: 1015). Colorado Event Report ID Number: CO230022 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 56537 | 24 May 2023 11:37:00 | The following report was received via email by the Colorado Department of Health: On May 19, 2023, the RSO (Radiation Safety Officer) at Memorial Hospital, University of Colorado Health, reported a missing 1.2 mCi germanium-68 sealed source. The source was determined to be an internal quality control source of a PET/CT (Positron Emission Tomography/Computed Tomography) camera. The source was identified as missing during a routine 6-month inventory performed on April 21, 2023. The PET/CT camera was purchased by Siemens Medical Solutions USA, Inc. in December 2022. Siemens subcontracted the decommissioning of the camera to a 3rd party (Clinical Imaging Systems), however, they failed to remove the source prior to transporting/shipping the camera to a Clinical Imaging System's warehouse. The source has been removed from the camera and is currently secured in a locked room at the warehouse. Memorial Hospital has been working with Siemens to have a licensed service provider ship the source back to Memorial Hospital or directly to a licensed recipient for disposal. Colorado Event Number: CO230013 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 |