The following was received from
Kentucky Radiation Health Branch (KY
RHB) via email:
At approximately 0950 EDT, the RSO [Radiation Safety Officer] of East Kentucky Power KU [Kentucky Utility] Central Lab called the Kentucky Radiation Health Branch staff to report a Perkin Elmer [gas chromatograph] Model N61000063, s/n 2089, possible leak of the Ni-63 source. A review of the most recent leak test dated 7/29/21, with results of 1.49E-3 microCi, indicated an increase in removable activity when compared to report dated 2/20/21, which demonstrated removable activity of 2.70E-5 microCi.
The level of activity removed reported to be 1.49E-3 microCi and did not exceed the reporting requirements of 0.005 (5.0E-3) microCi.
The RSO made arrangements for disposition of materials and will provide that document when completed.
KY RHB file created for documentation and historical record. These sources had a history of reports as noted in an 8-1-2001 NRC memo.
Kentucky Incident #: 2100003