In June 2010, Shell identified a stuck level
gauge shutter during scheduled maintenance testing. The licensee removed the
gauge from service.
The licensee intends to leave the gauge secured in storage until an undetermined future date when it is needed. This facility is a research facility and uses the gauge in its research and testing operations.
The gauge was a Berthold Model LB-440 with a 50 milliCurie Cs-137 source.
Texas Report Number: I-8842
- * * UPDATE FROM ART TUCKER TO JOE O'HARA VIA E-MAIL AT 1520 ON 6/30/11 * * *
During the review of this file prior to closing, it was noted that the date of the gauge failure was reported to you [NRC] as June 2010. The investigation determined that the gauge failure occurred in June 2009.
Notified R4DO(J.Drake) and
FSME(D.Jackson)