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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 42686 | 1 July 2006 18:20:00 | Information Only | Damaged Moisture Density Gauge | A Troxler Model 3411 moisture density gauge was damaged when it was run over by a bulldozer at the Rydal-Waters construction site on Brooke Road in Abington Township, Montgomery County, PA. The gauge was left unattended and uncontrolled while the gauge operator went to retrieve a vehicle to transport the gauge. While left unattended, the gauge was run over by a bulldozer resulting in the gauge being broken and the instrument case being damaged. The sources remained in place in their rods. The rods were placed back inside the gauge, and the gauge was placed back inside its case. Soil surveys resulted in no spread of contamination. Radiation levels taken were not abnormal. There are two sealed sources inside the gauge Cs-137, serial number 40-8387, 5.4 millicuries and Am-241/Be, serial number 47-6341, 38.8 millicuries. The licensee notified NRC (Sattar Lodhi, Region I ), Troxler, and local authorities: Abington Township Emergency Responders and Montgomery County Emergency Management. The gauge has been removed from the Rydal-Waters site to Advantage Engineering's Allentown, PA. office. Troxler is leak testing the gauge and evaluating a transportation plan to return the gauge to Troxler's corporate location. |