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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 52856 | 2 November 2015 07:00:00 | Agreement State | Agreement State Report - Fixed Gauge Shutter Malfunction | The following was received from the State of Nevada via email: Report of an equipment failure incident to the State of Nevada Radiation Control Program, fixed gauge malfunctioning shutter, Ohmart model SR-A, S/N: 1015GK at the Robinson Mine, Ruth, Nevada phoned in on 01/26/2016 at 1400 (PST). The RSO of Robinson Mine reported the shutter malfunction. He called the vendor to come on site and force the shutter closed. They were successful. The gauge was locked out/tagged out, but not removed from the service area in the mill central processing plant. The vendor stated the shutter malfunctioned because the shielding shifted due to process vibrations. The RSO has been instructed to submit a plan for the gauge. Gauge contained 1.85 MBq of Cs-137. Item Number: NV160003 | ||
| ENS 45881 | 29 April 2010 14:45:00 | Agreement State | Agreement State Report - Shutter on Gauges Fails to Function | The following was received via email: While doing the shutter checks it was discovered that the shutters were inoperable on the following fixed gauges: Serial #1015GK, Cs-137, 50 mCi, Source holder SR-A, at the Pump House North Train; Serial #1017GK, Cs-137, 50 mCi, Source holder SR-A, at the Pump House Center Train. Density gauges are installed on the piping going to the tails impoundment. The pipes are in the pump house and are not readily accessible. (An) Ohmart representative will be there on 5/5/10 for the necessary repairs. All personnel have been briefed about the safety implications. The area has been cordoned off. No concerns of exposure to anyone. This is an ongoing investigation. |