The following information is a summary of a report received from the
Ohio Bureau of Radiation Protection:
A Troxler nuclear density gauge was being used on an Ohio Earthwork Project in Riley Township, Ohio. The gauge technician set the gauge on the ground and left it unattended while preparing for testing. A bulldozer moved over the location where the gauge had been set down without realizing the gauge was there.
The isotopes in this unit are 8 millicuries of cesium 137 and 40 millicuries of Am-241/Be.
The damaged unit was a Troxler Model Number 3430, Serial Number 21036. The source serial number for the Cs 137 is 75-2465 and the source serial number for the Am-241:Be is 47-16507
The licensee dispatched a contractor (Solutient Technologies) to the jobsite. Solutient identified that no leakage occurred, that the sources are intact and in their protective housing. The sources were placed in a 5 gallon steel drum and the remainder of the
gauge was placed in a 30 gal steel drum and deemed suitable for transport. These containers were removed from the site on Saturday, November 17, 2012 and returned to the licensee's Cleveland office.