ENS 51416

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v t e ENS Event
07:00 Sep 21, 2015
Title	Agreement State Report - Damaged Source Housing
Event Description	The following report was received from the State of California via email: On Sept. 21, 2015, [the] RSO [Radiation Safety Officer for] ExxonMobil contacted Los Angeles County Radiation Management regarding an equipment malfunction to one of the two sources in Vessel #5C31, found during routine maintenance. [Source information]; cesium-137, Model 7063 K-ray; SN: 29456B; 500 milliCuries. Per [the RSO], the source housing was damaged and was left in its normal operating position. Using a Ludlum Model 3, 44-6 beta gamma probe, the background radiation was measured at approx. 0.02 mR/hr and the radiation rate at 1 meter from the source is 0.06 mR/hr. The service company has been contacted and repair/replacement will be performed as soon as possible. California Report 5010#: 092115 * * UPDATE FROM JOSEPHINE ORTEGA TO JOHN SHOEMAKER AT 1437 EDT ON 9/23/15 * * * The following information was excerpted from a updated report received from the State of California via email: The shutter was stuck in the open position as used during its normal operating position. Using a Ludlum Model 3, 44-6 beta gamma probe, the background radiation was measured at approx. 0.02 mR/hr and the dose rate at 1 meter in areas outside of the vessel that could be occupied is approx. 0.06 mR/hr. The dose rate obtained in the path of the beam after passing thru two vessel walls is approx. 0.6 mR/hr. The vessel walls are 1 inch thick steel and the vessel diameter is approximately 8 feet. Notified R4DO (Pick) and NMSS_Events_Notification via email.

ENS 51416 +/-
Where
Exxonmobil Oil Corporation Torrance, California (NRC Region 4)
License number:	0113-19
Organization:	California Radiation Control Prgm
Reporting

Agreement State
Time - Person (Reporting Time:+32.05 h1.335 days <br />0.191 weeks <br />0.0439 months <br />)
Opened:	Joji Ortego 15:03 Sep 22, 2015
NRC Officer:	John Shoemaker
Last Updated:	Sep 23, 2015
51416 - NRC Website
v • d • e

v t e Emergency Notification System
Exxonmobil Oil Corporation with Agreement State
WEEKMONTHYEAR2017-11-28T06:00:00 [Table view]
[ENS list for Exxonmobil Oil Corporation]

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