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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 55280 | 27 May 2021 19:51:00 | Agreement State | Leaking Source | The following was received from the Massachusetts Radiation Control Program via email: At 1551 EDT on May 27, 2021, the Massachusetts Radiation Control Program received a phone call from the Radiation Safety Officer (RSO) of Thermo Scientific Portable Analytical Instruments, License Number 55-0238. The RSO stated that a source was removed from the licensee's manufactured device that was sent to them for servicing. During this receipt procedure, a wipe sample taken on the device resulted in positive contamination. The Nickel-63 source was found to be leaking and the wipe test indicated a removable contamination level of 0.0728 microcurie. The limit for reporting the activity is 0.005 microcurie. Further information will be forthcoming as the event is under investigation.
The following update was received from the Massachusetts Radiation Control Program (MRCP) via email: The licensee notified the MRCP at 1202 (EDT) on May 28, 2021 to correct and update its earlier report. The sealed source isotope of interest is Iron-55 (Fe-55), not Nickel-63 as reported earlier, and the source activity is 20 millicuries. (The) Source was contained within an X-ray fluorescence device Model XLi 969, SN 5249. The customer had shipped the device to the licensee for decommissioning rather than service/repair. The accompanying leak test result prior to shipment was negative for contamination. Wipe survey results for areas within the licensee's facility where the device had been were negative for contamination. End of update. Notified R1DO (Bower) and NMSS Events Notification
The following update was received from the MRCP via email: The only update to this event is the MA docket number as referenced in the subject above (MA Event Docket 17-4568). There are currently no other updates to this event at the moment. MA Event Docket: 17-4568 Notified R1DO (Lilliendahl) and NMSS Events Notification |