The following report was received from the State of
Texas via e-mail:
On May 21, 2010, the Agency [State of Texas] was notified by the licensee that while conducting a routine inspection of a Ronan Engineering model SA1-F37 nuclear gauge, the shutter failed to close. The gauge was installed in 1991 and contained a 20 millicurie Cesium (Cs) - 137 Source. The licensee conducted a radiation survey in the area of the gauge and found the dose rates to be normal. Open is the normal operating condition for the gauge therefore there is no additional exposure risk to their workers. The vessel the gauge is associated with has been posted to warn workers hat the shutter is not functioning properly. The licensee has contacted the manufacturer to schedule the repair. The licensee stated that the repair should be completed within the next 60 days.
Texas Incident Number I-8746