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CITGO Petroleum (1250), Lake Charles

Releases of Nitrogen Dioxide

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
101225

2007-11-23		B-12 Flare
Cause: loss of JC1A Compressor at unicracker unit

Followup: No

Notes: CITGO letter states that no RQ's were exceeded
109637

2008-09-29		B-12 Flare
Cause:

Followup: No

Notes: A-SRU experience swings in air demand caused by hydrocarbon carryover from the A Sour Water Tower (E301A). Flow from E-301 to A-SRU was stopped, then restarted. Startup was cause of release. Stopped again. Another start up released even more SO2. REMEDIAL ACTIONS: Upgrade existing suge tank skim oil pumps, Add third surge tank skim oil pump, install instrumentation to detect hydrocarbons in SWS feed
106260

2008-06-07		B-5 Flare
Cause:

Followup: No

Notes: Valve leak in ALCOH Unit
114679

2009-05-04		B-8 flare
Cause: BLCOH unit compressor pressure relief valve lifted releasing hydrogen sulfide, nitrogen oxide and sulfur dioxide into the B-8 flare

Followup: No

Notes: gases burned in flare and release "secured"
115679

2009-05-04		B-8 flare
Cause: BLCOH unit compressor pressure relief valve lifted releasing hydrogen sulfide, nitrogen oxide and sulfur dioxide into the B-8 flare

Followup: No

Notes: gases burned in flare and release "secured"