ENS 47298

v t e ENS Event
05:00 Sep 26, 2011
Title	Agreement State Report - Stuck Shutter on Fixed Process Gauge
Event Description	The following information was received from the Texas Department of State Health Services via e-mail: On September 26, 2011, the licensee reported that while preparing to enter a vessel, the shutter on a Ronan model SA-1 nuclear gauge containing 2000 millicuries of Cesium (Cs) -137 failed to shut and is stuck in the normally open position. The source serial number is 2943GK. No significant exposure has occurred due to this event. The gauge is located at a height of 150 feet on the tank. The licensee contacted a technical representative and expects to repair or replace the gauge at the end of the week. The cause for the event is under investigation. Additional information will be provided as it is received IAW SA 300. * * RETRACTION FROM ART TUCKER TO JOHN KNOKE AT 1016 EST ON 11/17/11 * * * The following information was received from the Texas Department of State Health Services via e-mail: The manufacturer inspected the gauge at the licensee's location and determined that the gauge was functioning properly. They also determined that the radiation measurements taken by the licensee to determine if the shutter was closed where taken at a distance that was closer than the reference reading causing the elevated readings. There was no reportable event. Notified the R4DO (Blair Spitzberg) and FSME (Angela McIntosh) Texas Incident #: I-8887

ENS 47298 +/- *RETRACTED*
Where
Basf Corporation Freeport, Texas (NRC Region 4)
License number:	01021
Organization:	Texas Department Of Health
Reporting

Agreement State
Time - Person (Reporting Time:+29.1 h1.213 days <br />0.173 weeks <br />0.0399 months <br />)
Opened:	Chris Moore 10:06 Sep 27, 2011
NRC Officer:	Bill Huffman
Last Updated:	Nov 17, 2011
47298 - NRC Website
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