The following information was received by the State of
Washington via email:
The operator of a portable moisture-density gauge temporarily left the gauge unattended at a construction site in Redmond, Washington, and the gauge was run over by the wheel of a roller. The top of the gauge handle was broken off, but both radioactive sources are in safe condition inside the body of the gauge. The gauge operator is maintaining security around the damaged gauge, and has called a nuclear gauge calibration and servicing company to come to the construction site to assess the scene, package the gauge for transport to a safe location, and conduct radiation surveys to verify that there is no radioactive contamination of the construction site and the roller equipment, and to verify that the radioactive sources are undamaged and inside the gauge case.
The portable gauge is a Campbell Pacific Nuclear; Model MC-1-DR; Serial Number MD51008063; Sources-Cs-137 (.010 Ci), Am/Be (.050 Ci).
Washington Item Number: WA160002