The following information was received from the state of
South Carolina via email:
The
South Carolina Department of Health and Environmental Control was notified via email at 1327 EST on 02/01/22 that during a quarterly nuclear medicine audit conducted on 01/27/22, a leak test result of a
Cs-137 vial source was above the regulatory limit of 0.005 microCi of removable contamination. The licensee is reporting that the
Cs-137 vial source is a 203.9 microCi Isotope Product Laboratory Model
RV-137-200U, serial number 788-6-7. The leak test result indicated a net removable contamination of 0.0155 microCi. The licensee is reporting that area survey results indicated no other contamination within the nuclear medicine department. The vial source has been placed inside a
lead container, sealed, and stored in the nuclear medicine hot lab. Department inspectors were dispatched to the facility on 02/02/22. The vial source was found packaged as the licensee described. Dose rate readings using a Ludlum 14-C (calibrated 10/12/21) indicated readings as high as 12 milliR/hr on the surface of the container. Removable contamination wipes were also taken and no further contamination was detected. The vial source is awaiting disposal/transfer back to the manufacturer. This event is still under investigation by the
South Carolina Department of Health and Environmental Control.