The following information was obtained from the State of
Wisconsin via email:
The licensee reported that a radiography crew working at a temporary jobsite on the night of December 12, 2014, had a failure of a drive cable mechanism on a QSA Global Model 880D radiography camera. The drive cable severed, and the radiography crew was unable to retract the source into the camera. The crew re-established boundaries and maintained appropriate surveillance of the area. An individual who is licensed to perform source retrievals responded to the jobsite and was able to retract the source into the safe position in the camera. Direct-reading dosimeters did not indicate any exposures exceeding regulatory limits. The licensee has sent permanent record dosimetry for emergency processing, and the licensee has sent the failed equipment to QSA for analysis.
The Wisconsin Radiation Protection Section will provide updates through NMED after receiving the licensee's written report.
Wisconsin Event Report ID No.: WI140014
- * * UPDATE FROM MEGAN SHOBER TO JOHN SHOEMAKER AT 1213 EST ON 12/17/14 * * *
The following information was obtained from the State of Wisconsin via email:
The drive cable in question broke near the junction between the cable and the metal ball on the end of the cable. On December 17, 2014, the licensee submitted a report of the radiographer's permanent record dosimetry. Exposures from the source retrieval were less than regulatory limits.
Because the radiography crew and equipment involved in this incident are based in Illinois, the Wisconsin Radiation Protection Section notified the Illinois Emergency Management Agency.
Notified R3DO (McCraw) and
NMSS Events Notification (via email).