The following report was received by fax:
On January 17, 2012, the Agency [Texas Department of State Health Services] was notified by the licensee of a source disconnect event that occurred on January 14, 2012. The radiography crew was using a QSA 880D containing 54.9 Curies of iridium-192. The drive cables were also manufactured by QSA. The disconnect was caused by the drive cable snapping approximately four inches from the source connector. The radiographer noted the failure as he approached the camera after a shot and the dose rates indicated the source was still outside the camera. The radiographer notified his Radiation Safety Officer (RSO). The radiography crew set up new barriers and controlled access to the area. The RSO arrived at the site at 1630 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20215e-4 months <br />. The RSO retrieved the source and it was returned to the fully shielded position by 1730 hours0.02 days <br />0.481 hours <br />0.00286 weeks <br />6.58265e-4 months <br />. The RSO stated that there was a section of the drive cable that looked like it may have been stretched, but he did not know when or how it could have happened. He stated that they had only had this set of drive cables for no more than eight months. No exposure limits were exceeded during this event. Additional information will be provided as it is received in accordance with SA-300.
The event occurred on County Road 289 in Gonzales County.
Texas incident: I-8922
- * * UPDATE AT 1321 EST ON 01/17/12 FROM ART TUCKER TO S. SANDIN * * *
The licensee has stated that the drive cable will be returned to the manufacturer for inspection and a cause for the failure [investigation].
Notified R4DO (Pick) and
FSME (McIntosh).