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CITGO Petroleum (1250), Lake Charles
LDEQ Accident Report
| Accident # | 144156 |
| State Police # | 12-05246 |
| Accident Date | 2012-08-07 |
| Report Date | 2012-08-14 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | B-11 Flare | NO | YES | NO | 23,714.0 pounds | |
| Hydrogen Sulfide | B-11 Flare | NO | NO | NO | 258.0 pounds | |
| Nitrogen Oxide | B-11 Flare | NO | YES | YES | BRQ | |
| Volatile Organic Compounds (VOCs) | B-11 Flare | NO | NO | YES | BRQ |
Accident Classified As: Reportable Quantity
Cause of Problem: Equipment Failure
The Coker II unit gas compressor (JC-201) shutdown. Shutdown resulted in unit gas relieving to the B-11 flare. Specific cause of shutdown was under investigation until September 21, 2012.
Discharge Preventable - No
The equipment shutdown was unforeseen and could not have been predicted.
Notes/Remedial Actions
Half of Coker II unit was shut down and unit feed rate reduced to minimum rate (feed rate reduced by two thirds). In addition, immediate repair was begun on the JC-201 compressor. Compressor JC-201 was repaired and compressor was restarted. Investigation team was assembled to conduct a root cause investigation of shutdown. Release calculations indicate that reportable quantities of sulfur dioxide and hydrogen sulfide were exceeded during this flaring event.
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