ENS 51437

v t e ENS Event
14:30 Oct 1, 2015
Title	Agreement State Report - Nuclear Gauge Source Disconnected
Event Description	The following report was received via e-mail: On October 1, 2015 the Agency was notified by the licensee's radiation safety officer that a source was disconnected and dropped into a vessel. [This was caused by] a shutter malfunction which occurred on October 1, 2015 at 0930 [CDT] on a nuclear gauge. The source is an Ohmart Model MDTS, Serial Number 8480GK, Cesium 137, 9.5 mCi source. The shutter malfunction occurred during a routine check of the shutter operation. This particular device utilizes a tape which is connected to the source. The tape allows the source to be lowered and raised inside a well within the vessel. During the routine shutter checks, the tape disconnected from the source. At this time, the source is located inside the well near its normal operational position. A radiation survey was conducted at areas which would contain general employee access. All radiation readings were at background level. This event did not cause any additional radiation exposure than normal day to day operations. The gauge manufacturer has been notified and will be on-site October 7, 2015 to repair the device. Updates will be provided in accordance with SA-300 guidelines. Texas Incident: I-9342

ENS 51437 +/-
Where
Citgo Refining And Chemical Company Corpus Christi, Texas (NRC Region 4)
License number:	00243
Organization:	Texas Dept Of State Health Services
Reporting

Agreement State
Time - Person (Reporting Time:+0.93 h0.0388 days <br />0.00554 weeks <br />0.00127 months <br />)
Opened:	Irene Casares 15:26 Oct 1, 2015
NRC Officer:	Mark Abramovitz
Last Updated:	Oct 1, 2015
51437 - NRC Website
v • d • e

v t e Emergency Notification System
Citgo Refining And Chemical Company with Agreement State
WEEKMONTHYEAR2015-10-01T14:30:00 [Table view]
[ENS list for Citgo Refining And Chemical Company]

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