The following report was received via facsimile:
Event date and time: December 8, 2010 - Time: 10:45 am
Event location: 91st & Heritage Lake Drive, Lincoln, Nebraska, 685
Event description: The licensee possesses a Humboldt Scientific, Inc. Model 5001-EZ 122 Nuclear Moisture/Density
Gauge Serial Number 2027. On December 8, 2010, the
gauge was being used at a construction site just east of Lincoln, NE. The operator of the
gauge had started a test when he was distracted by another worker asking questions. During that time a front end loader backed into the
gauge and broke the stationary guide rod. No other damage was observed to the
gauge. The area was secured and radiation surveys as well as a leak test were performed. No unusual readings were observed. The source rod was secured in to safe position in the
gauge housing and the
gauge was place in the transport case for return to the licensee's office. No personnel were exposed to radiation during this event.