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| Start date | Reporting criterion | Title | Event description | System | LER | |
|---|---|---|---|---|---|---|
| ENS 45599 | 30 December 2009 08:00:00 | Agreement State | Agreement State - Stuck Shutter on Fixed Density Meter | The following was received via email: A fixed gauge licensee operating a paper mill in Camas, Washington, reported that the shutter mechanism of an Ohmart Vega fixed gauge, Model Number SH-F1B-0, containing a 100 mCi sealed source of Cesium 137 failed to close during a routine six-month shutter check. The Radiation Safety Officer reported the gauge is mounted on a vertical section of six-inch piping and is still functioning correctly as a density meter. The device is not part of any lockout or confined space entry permit and there is currently no safety hazard potential for exposure to radiation associated with the failure of the shutter mechanism. The environment where the gauge is mounted is susceptible to messy process conditions which allows water and lime-mud to accumulate on the fixed gauge. This appears to have contributed to the failure of the shutter mechanism. The manufacturer's representative was called by the licensee and has scheduled a visit to the facility to make corrective repairs. Report #: WA090097
On February 25, 2010, service representatives from Ohmart Vega replaced the shutter mechanism with a new shutter closing this incident. Notified R4DO (Cain) and FSME EO (McIntosh). |