The following information was received from the Commonwealth of
Massachusetts via email:
The licensee reported on June 23, 2017 that licensee learned from its licensed leak test service provider on June 21, 2017 that one 6 millicurie, cobalt-57 sealed source out of 25 sources received in a package on June 16, 2017 from the source manufacturer, Eckert & Ziegler Isotope Products, tested positive for leakage. The leakage was reported as being 4.2 times the limit of 0.005 microCuries (0.021 microCuries). The other 24 sources showed no contamination.
The leaking sealed source is an Eckert & Ziegler Isotope Products Model 3901-2 source, serial number P6-883.
The licensee reported that the leaking source was contained and secured in an individual zip lock type plastic bag; that there is no facility contamination based on area surveys performed; that the external surfaces of the package received, that had contained all of the 25 source, had been wipe tested and that the package was not contaminated; and that the sources were not used pending leak test results.
The licensee reported that it notified the source manufacturer on June 21, 2017, received a return authorization number from the manufacturer, and shipped the source back to the manufacturer on June 22, 2017.
The Agency [Massachusetts Radiation Control Program] considers this event to be open.