ENS 45040

v t e ENS Event
05:00 Apr 15, 2009
Title	Agreement State Report - Process Level Gauge Shutter Stuck Open
Event Description	The following report was received from the Texas Department of State Health Services via e-mail: The licensee reported that during the performance of a routine six month inspection, the shutter on an Ohmart/VEGA level gauge model SH-F2, containing a 200 mCi Cesium (Cs) - 137 source, serial # 7548GK, would not properly close. The gauge is used as a level monitor on a vent stack. The source was left in its normal operating position and does not pose an exposure risk to individuals. Radiation levels in the area were measured and found to be normal. As a corrective action, the licensee lubricated the operating mechanism on the gauge. They again tried to operate the mechanism, but could not. They continued to lubricate the mechanism periodically in an effort to free the mechanism. The licensee contacted a service provider and arrangements were made for assistance in closing the shutter if needed. On 4/29/09, the licensee was able to close the mechanism and operate the shutter normally. There was no apparent damage to the shutter operating mechanism. Texas Report Number I-8633

ENS 45040 +/-
Where
Dow Chemical Company Port Lavaca, Texas (NRC Region 4)
License number:	00051
Organization:	Texas Department Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+464.67 h19.361 days <br />2.766 weeks <br />0.637 months <br />)
Opened:	Art Tucker 13:40 May 4, 2009
NRC Officer:	Bill Huffman
Last Updated:	May 4, 2009
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Dow Chemical Company with Agreement State
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