Semantic search
| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 43567 | 14 August 2007 21:10:00 | Information Only | Troxler Moisture Density Gauge Damaged on Construction Site | At 1710 EDT on 08/14/07, a Troxler moisture density gauge, model 3430, serial number 36254, was in use at a construction worksite on VA Route 460. A large piece of construction equipment was backing up and while the gauge technician attempted to get the vehicle driver's attention, the vehicle ran over the Troxler gauge. The 8 millicurie Cs-137 source was extended and after the damage could only be retracted to within 4 inches of the gauge case. The technician kept the extended source in the ground and controlled access to the area. The gauge technician called the NRC Operations Center for assistance. R1DO (Paul Krohn) and FSME EO (Holonich) were notified and briefed by the licensee technician on what assistance was required. During the conference call the RSO was notified and the company was dispatching personnel to the scene to assist.
The licensee was able to retract the source and close the shutter door. No significant personnel exposure was received. The area has been opened for unrestricted access. Notified R1DO (Krohn) and FSME EO (Holonich). | ||
| ENS 41795 | 24 June 2005 19:15:00 | Information Only | Nuclear Density Gauge Damaged at Jobsite | At approximately 1515 EDT on 6/24/05, a CPN Nuclear Gauge, Model NC1DRP, S/N MD00505618 containing two (2) sources, i.e., 10 millicuries Cs-137 and 50 millicuries Am-241:Be, was run over by a loader at a jobsite near the intersection of Olley Lane and Little River Turnpike in Fairfax County, VA. The area was isolated and rad surveys conducted by the RSO confirmed that the source was not exposed (a radiation level of .4mR/hr was measured at a distance of 1 meter). The RSO will package the damaged gauge and return it to the manufacturer for evaluation. No assistance from any HAZMAT/Fire Department personnel was requested or needed. |