Semantic search
| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 56476 | 23 February 2023 05:00:00 | Agreement State | Loss of Control of Radioactive Materials | The following information was provided by the Wisconsin Radiation Protection Section (the Department) via email: On March 21, 2023, the licensee, PPD Development, LLC, reported a loss of control of radioactive material to the Department. On February 23, 2023, the licensee discovered that eight shipments were sent to a hazardous waste vendor in Nebraska for disposal, and the waste inadvertently contained carbon-14 radiolabeled pharmaceutical samples used for research and development. The eight shipments occurred between July 26, 2019, and October 27, 2022. In total the amount of carbon-14 that was improperly disposed of was 3.88 millicuries. The largest single shipment contained 1.19 millicuries of carbon-14. The licensee immediately contacted the recipient and determined that the waste had already been incinerated. The State of Nebraska has been notified. The Department performed a reactive inspection, and the investigation is ongoing. WI Event Report ID No.: WI230005
On April 19, 2023, the Department became aware that of the eight referenced shipments inadvertently containing carbon-14, only four shipments were sent to a hazardous waste vendor in Nebraska. The other four shipments were sent to a hazardous waste vendor in Arkansas and incinerated. The State of Arkansas has been notified. Notified R3DO (Orth), NMSS Events, and ILTAB |