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Motiva Enterprises (2719), Convent

Releases of Oxygen

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
No LDEQ Reported

2008-11-02		VPS-2 Atmospheric Heater (83H-101)
Cause: Atmospheric Tower Naphtha Recycle Pump tripped causing a unit upset

Followup: No

Notes: Affirmative defense letter.
08-BB011-3393

2008-10-28		VPS-2 Atmospheric Heater (83H-101)
Cause: a bearing failure on the induced draft fan caused the heater to make a swtich that resulted in a suddens shift in heater firing and oxygen levels in the heater

Followup: No

Notes: Affirmative defense letter.
No LDEQ Reported

2008-10-19		VPS-2 Atmospheric Heater (83H-101)
Cause: see notes. Loss of off gas from unit's Off Gas Scrubber

Followup: No

Notes: Affirmative defense letter
109465

2008-09-23		VPS-2 Atmospheric Heater (83H-101)
Cause: see notes. Air flow to the heater was shifted more to one side than the other and an oxygen fan was operating at low RPM

Followup: No

Notes: Affirmative defense letter
119055

2009-10-22		Vacuum Pipe-Still No. 2 Unit Atomospheric Heater
Cause: Severe thunderstorm caused water to enter the oxygen analyzer probe of the VPS-2 Atmospheric Heater resulting in erroneous analyzer readings--caused exceedance of BACT box minimum oxygen hourly average for one hour. No reportable quantities exceeded.

Followup: Yes

Notes: Analyzer repaired, gave correct readings after fixed.