ENS Event | |
|---|---|
08:00 Dec 13, 2016 | |
| Title | Agreement State Report - Damaged Density Gauge |
| Event Description | The following report was received from the State of California via email:
On December 13, 2016, the RSO [Radiation Safety Officer] of Cal Land Engineering, contacted the RHB [California Radiologic Health Branch] at the Brea, CA office about a gauge that had been run over. The gauge was a CPN MC-3, S/N M310706239 (10 mCi Cs-137, 50 mCi Am:Be-241). The gauge operator had removed the gauge from it's transport case, but had not set up or used the gauge at the site (the Cs-137 source was still in the shielded position). The operator then stepped away from the gauge to answer his cell phone. While the operator was on the phone, a pickup truck backed into the gauge. The gauge body remained intact, but the guide tube and source rod had been sheared off the body of the gauge. After the incident, the area was isolated and the operator contacted the RSO, who then contacted RHB. Pictures were provided by the gauge operator and forwarded to RHB for review. After the pictures confirmed that the gauge body was intact, the RHB inspector authorized the operator to place the gauge in the storage case, secure it for transport, and then return the gauge to their [licensee's] office. An RHB inspector met the operator at their office to inspect the gauge. A Canberra Inspector 1000 with the LaBr (IPROL-1) and neutron (IPRON-N) probes was used to verify the sources remained in the gauge. The Cs-137 source was identified by the Inspector 1000 and a neutron dose of 20 counts per second (with a background of 0 counts per second) confirmed the Am:Be-241 source was present. A Victoreen 450 CHP was used to survey the gauge. The contact dose rate was 20 mR/hr (background 0.01 mR/hr), which is consistent for an MC-3 gauge. The gauge will remain in storage until disposal can be arranged. Maurer Technical Services will be used to assist in the disposal. California 5010 number: 121316 |
| Where | |
|---|---|
| Cal Land Engineering, Inc. Brea, California (NRC Region 4) | |
| License number: | 6951-30 |
| Organization: | California Radiation Control Prgm |
| Reporting | |
| Agreement State | |
| Time - Person (Reporting Time:+30.65 h1.277 days <br />0.182 weeks <br />0.042 months <br />) | |
| Opened: | Donald Oesterle 14:39 Dec 14, 2016 |
| NRC Officer: | John Shoemaker |
| Last Updated: | Dec 14, 2016 |
| 52431 - NRC Website | |
Cal Land Engineering, Inc. with Agreement State | |
WEEKMONTHYEARENS 524312016-12-13T08:00:00013 December 2016 08:00:00
[Table view]Agreement State Agreement State Report - Damaged Density Gauge 2016-12-13T08:00:00 | |