ENS 44452

v t e ENS Event
05:00 Aug 29, 2008
Title	Agreement State Report - Level Gauge Shutter Malfunction
Event Description	On 8/29/08, Incident Investigation Program received a letter from the licensee stating that on June 23, 2008 while conducting their routine surveillance, a Ohmart/VEGA level gauge used on their vent stack for level detection failed the inspection when the shutter mechanism failed to close fully. An inspection of the gauge found that a bolt on the operating handle had sheared and the shutter would not close. The gauge contains one 200 millicurie Cesium (Cs) - 137 source serial # M-7089. The licensee has contacted the manufacturer and is working with them to schedule the repair of the gauge. Surveys conducted by the licensee has determined that dose rates in the area of the gauge are normal and do not pose a risk of exposures to their workers. The source has been labeled 'Do Not Operate - Contact Site RSO'. This event is also identified as Texas event number I-8546.

ENS 44452 +/-
Where
Union Carbide Corporation Port Lavaca, Texas (NRC Region 4)
License number:	L00051
Organization:	Texas Department Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+10.3 h0.429 days <br />0.0613 weeks <br />0.0141 months <br />)
Opened:	Art Tucker 15:18 Aug 29, 2008
NRC Officer:	Pete Snyder
Last Updated:	Aug 29, 2008
44452 - NRC Website
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v t e Emergency Notification System
Union Carbide Corporation with Agreement State
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