The following synopsis was provided by the licensee via phone:
On 5/21/24, a 200 millicurie lutetium-177 (Lu-177) source was delivered to the Karmonas Cancer Institute and was placed in a clean hot laboratory. A physics resident cleaning the hot laboratory placed the box containing the source outside the hot lab on a trash can. A custodian threw the box in the trash at the end of the day. The licensee notified the trash management company and the facility security department. No threat to public health is expected based on source packaging.
The NRC Region 3 inspector was also notified.
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