The following was received via an email from the
Pennsylvania Bureau of Radiation:
The licensee reported that on July 21, 2021, while using a QSA Global Model 880 containing a 135.5 curie source of iridium-192, the source failed to fully retract and lock. The source serial number is 32578M and the camera serial number is D9477. The technicians secured the area by adjusting their 2 mR/hr boundaries to an unshielded source distance and immediately contacted their company [Radiation Safety Officer] (RSO). The licensee then contacted QSA Global who will be onsite on July 22, 2021, to retrieve the source and take the camera and entire crank and assembly mechanism with them for evaluation. The licensee will remain onsite to secure the boundary until QSA arrives. No overexposures have occurred and all proper procedures were followed. The cause of the malfunction remains unknown. More information will be provided when received.
Pennsylvania Event Report ID No.: PA210007
- * * UPDATE ON 7/23/2021 AT 0738 EDT FROM JOHN CHIPPO TO JEFFREY WHITED * * *
The following update was received via an email from the Pennsylvania Bureau of Radiation:
QSA arrived on site at approximately 2000 EDT on July 22, 2021, and the source was moved to a locked position in the camera at 2155 EDT. At this time the drive cable is suspected to be the problem. The camera and drive system will be evaluated.
Notified R1DO (Gray) and
NMSS Events Notification via email.