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CITGO Petroleum (1250), Lake Charles
Causal Factor: Equipment Design
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 84652 2005-12-17 | B-11 FLARE | Cause: Result of a shutdown of the JC-201 Compressor at the Coker II Unit. Root cause was due to an incorrect engineering design flaw in Transformer 444-S49-TRI-A protective relaying scheme. Transformer had been taken out of service to repair a secondary busing oil leak, and during re-energizing of the transformer the malfunction caused a power outage, causing shutdown on several critical pumparound pumps; the resulting loss of heat removal caused the overheated drum F-210 to fill with liquid. Followup: Yes Notes: Caused the 4.16kV tie breaker to open when the differential relay operated. A significant contributing cause of the additional flaring after power was restored was the plugging of the case drains on JC 210 compressor. Engineering calculations states that they expected SO2 released to be slightly lower than their original report, under the NRS Consent Decree, and then stating that they calculated 35,458 lbs were released. No information given on amounts of H2S or CO2 released (does not say specifically BRQ, but only SO2 was listed as exceeded permit levels). | Sulfur Dioxide: 35,600.0 pounds |
| 79720 2005-06-09 | F-7 blow down drum | Cause: A-Topper Desalted Crude 301JP1B pump tripped causing F10 Desalter relief valve to open to the F7 blow down drum resulting in spill of crude from oily water sewer box located east of blow down drum Followup: No Notes: The design of the sewer box could not contain the volume of material released. | Oil: 218.0 gallons |
| 77263 2005-03-02 | Process furnaces | Cause: facility failed to have pump motors that possessed ground faults Followup: Yes Notes: A new motor for the pump that had the ground fault is on order | Sulfur Dioxide: 30,266.0 pounds |
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