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CITGO Petroleum (1250), Lake Charles

Releases of Hydrogen

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
81597

2005-08-23		B-12 FLARE
Cause: Outage of JC-1B recycle Hydrogen Compressor at Unicracker Unit.

Followup: No

Notes: Claims emission was below RQ
80604

2005-07-25		B-12 Flare
Cause: flaring of excess hydrogen during outage of JC-1B recycl Hydrogen Compressor at Unicracker Unit

Followup: No

Notes: Claims emission was below RQ. Shut unit down and repaired compressor
86306

2006-03-08		A Reformer Unit
Cause: piping leak at the A-Reformer Unit

Followup: No

Notes: No Information Given
95930

2007-05-05		B-11 Flare (EIQ No. 3(XXII)4) and (ID No. EQT 350)
Cause: pilot outages of B11 Flare - malfunctioning pressure regulator on nat. gas to pilots

Followup: No

Notes: Emissions exceeded RQ of 100 lbs. operator checks on gas line pressure downstream; development of a routine schedule for maintenance checks on the regulator; instrument group has repaired pressure regulator that malfunctioned.
125480

2010-08-09		isom unit
Cause: Flange leak in the Isomerization unit--no further details no DEQ report in this file

Followup: No

Notes: "Citgo personnel are making repairs", no specifics given.
123858

2010-05-30		C103 Exchanger
Cause: Fire from hydrogen leak from a bad gasket at C103 exchanger--burned about 10min.

Followup: No

Notes: Line depressurized to B9 flare and unit shut down. "Plant performed perimeter monitoring and had no readings." No Refinery letter included. Only LDEQ verbal report.
123188

2010-05-02		B12 flare
Cause: The JC 1C Compressor over-pressurized causing relief valve to open to B-12 flare.

Followup: No

Notes: No information given
122168

2010-03-17		B-12 flare
Cause: Swapping out compressors, overloaded system, valve released to flare

Followup: No

Notes: no information given