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CITGO Petroleum (1250), Lake Charles
Causal Factor: Seal or Gasket
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 81993 2005-09-07 | GA-49 pump MEK I Unit | Cause: Seal leaked on a ketone pump and flashed causing a fire Followup: No Notes: Fire was extinguished with foam blanket. No pollutants released. | |
| 80735 2005-07-23 | Valve flange line between Tank 411 and Tanks 66 &67 | Cause: failed gasket Followup: No Notes: Gasket was replaced | Oil: 210.0 gallons |
| 78328 2005-04-18 | Slop Oil Line | Cause: flange leak on 8 inch slop oil line due to failed gasket Followup: No Notes: Gasket was replaced | Slop Oil: 5,555.0 pounds |
| 92761 2006-12-19 | B-11 Flare | Cause: loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: Claims emission was below RQ | |
| 90890 2006-09-26 | B-11 Flare | Cause: loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: No Information Given | |
| 90424 2006-09-03 | B-Catalytic Gasoline Hydrotreater | Cause: JP 204B stripper bottoms pump on the E 201 Interstage Stripper Tower experienced a seal failure. Due to the compostion and operating conditions and location within the unit, the Hydrocarbons released auto-ignite Followup: No Notes: No Information Given | |
| 101551 2007-12-07 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: VERY COMMON INCIDENT: See notes to 07-04399 | |
| 98928 2007-08-25 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: VERY COMMON INCIDENT: See notes to 07-04399 | |
| 98659 2007-08-14 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: VERY COMMON INCIDENT: See notes to 07-04399 | |
| 98367 2007-08-03 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: Same incident cause as 07-04040 of 07/19/2007 and 07-02449 of 5/12/2007 and 07-02284 of 05/05/2007 | |
| 97961 2007-07-19 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: CITGO reports emissions as below RQ | |
| 96145 2007-05-12 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: Verbal report states that loop seal had blown but not been reported by prior shift at the time of the seal failure. Relieved pressure on the drum causing it to reseal. | |
| 95938 2007-05-05 | B-11 Flare | Cause: SEAL or GASKET - loss of a water seal on the blowdown system at the Coker 2 Unit Followup: No Notes: Conflict between letter and incident report: letter indicates that all emissions were BRQ; report says SO2 was >1000lbs. No offsite protective action despite emission of material offsite. | |
| 94479 2007-03-09 | JP244B pump B-9 Flare | Cause: JP244 B pump seal leaked to the flare drum Followup: No Notes: | |
| 93978 2007-02-15 | B-12 Flare pilot - Unicracker unit | Cause: pump seal fire and flare pilot outage at the Unicracker Unit Followup: No Notes: | |
| 93338 2007-01-17 | Cooling Tower #4 3(MISC)CT4 [EQT336] | Cause: JP244A Feed Splitter Bottoms pump in the Sulfolane Unit. Primary pump seal failed and hydrocarbon began to leak into the barrier fluid and the seal pot cooler. Hydrocarbon began to leak into the cooling water through the cooling cOil. Followup: No Notes: Hydrocarbon leak on cooling tower #4 was discovered 12/21/2006 but the department was not notified of the leak until 01/17/2007. According to Mr. Driver the leak tracking form was not initiated because on 12/21/2006 because the reportable quantity had not been reached at that time. Pump JP244A was repaired on 03/12/2007. CITGO has initiated a failure analysis review to determine how this incident occurred, and what controls need to be implemented to prevent a recurrence. Despite early detectio leak on 12/21/2006, Citgo claims leak was not preventable because CITGO had no indicaton that this pump had a problem." | Toluene: 2,450.0 pounds m-Xylene: 1,115.0 pounds p-Xylene: 450.0 pounds |
| 103136 2008-02-16 | Duosol Unit | Cause: gasket material failed between the valve body and the bonnet of the valve Followup: No Notes: CITGO letter states that the emissions were BRQ | |
| 127124 2010-10-18 | gasket in OMB K-16 area | Cause: Gasket failed in OMB K-16 area, spilled mix of light cycle oil and heavy oil-long resid. Followup: No Notes: Will flush out the line and replace the gasket. "Material was non-hazardous...the contaminated soil was excavated" | Light Cycle Oil: 1.0 gallons Heavy Oil: 1.0 gallons |
| 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. | |
| 135725 2011-12-05 | Unicracker Unit | Cause: A seal flush 3/8" tubing off a pump at the Unicracker unit failed causing a leak. Followup: No Notes: The equipment was immediately shut down and the leaking tubing was replaced. No LDEQ report in the file. | Flammable Gas: 1,600.0 pounds |
| 135306 2011-11-16 | Vessel, Valve on Marpol Line | Cause: LDEQ responded to the incident at Citgo Petroleum D Dock, where the marine vessel Chembulk New Orleans appeared to have started leaking xylene after loading approximately 22,000 bbls onto the vessel. The discharge appeared to be coming from under the bottom of the vessel under a slop tank storage compartment. It was creating a light sheen and a strong odor in the area of the discharge along the dock area, so hard booms were deployed around the vessel by Citgo and ES&H. Slop tank was pumped into another compartment that appeared to slow the leak. Vessel personnel stated that the vessel was double hulled and the xylene was not coming from the vessel. Citgo personnel considered sending a diver on 11/17/11 to assess the discharge area under the vessel. Kevin Natali was notified by Citgo on 11/17/11 that 4 valves on the Marpol line (which discharges overboard) on board the vessel was found to be leaking. The leaks was secured at approximately 4 am on 11/17/11 and it was determined that a diver was not needed. Followup: No Notes: Vessel was inspected by the US Coast Guard before it was released. Incident linked to #135315. Multi Gas Monitor Report included with readings from across the river during the accident. VOC levels fluctuated between 1 and 9 ppm. Readings also show low levels of carbon monoxide and sulfur dioxide. Citgo initially claimed the leak was not coming from the vessel. Later, leak found on board the vessel. VOC had a conversion factor of 0.4, this may mean that values were reduced to 400lbs but the closed report states 1000 lbs. | Xylene: 1,000.0 pounds |
| 140013 2012-05-25 | A unit bonnet gasket on a pipeline | Cause: The spill resulted from a leaking pipeline bonnet gasket at "B" Dock, which is in oil movement A unit. Followup: No Notes: The area of the spill (10 cubic yards) was excavated and placed into a roll-off box that was sent to CWM for lab testing to profile and ship for disposal. | Benzene: 1.3 gallons |
| 140064 2012-05-21 | Tank #187 (spent caustic) | Cause: There was a faulty seal on the floating roof of Tank #187, causing it to release a mixture of caustic and propanes. Followup: No Notes: No Information Given | Propane: 3,150.0 pounds Light Hydrocarbons: 376.0 pounds |
| 136963 2012-02-03 | K-19 line leak | Cause: K-19 line leak. A dresser coupling failed and leaked 1 barrel of finished gasoline. Coupler between piping for a barrel. This is a seal between piping and vessel. Followup: No Notes: The materials were contained in a concrete area. The line was isolates, foam was added, and the line was repaired. Planning to replace it with a hard line. The RQs for Flammable Gas and VOCs were exceeded. | Flammable Gas: 13,619.0 pounds Benzene: 0.7 pounds Toluene: 37.0 pounds Xylene: 3.0 pounds Ethylbenzene: 0.5 pounds Hydrogen Sulfide: 1.3 pounds |
| 136840 2012-01-30 | flange on the slop oil line | Cause: The flange on the slop oil line for the OMB Slop Transfer System separated releasing slop oil to the ground. Followup: No Notes: Vacuum trucks were used to clean up the oil. Stated that they would file a follow up report but none was included in the LDEQ report. | Slop Oil: 210.0 gallons |
| 152168 2013-11-06 | Pipe flange gasket along D-Dock | Cause: A leaking flange caused a light sheen of oil in the Calcasieu River near the A-Deck. Followup: No Notes: The flange was tightened and the leak stopped. Absorbent mats were used to contain and remediate the unrecoverable sheen. The flange gasket was replaced. | Light Cycle Oil: 0.0 pounds |
| 149056 2013-06-10 | Tank 701 | Cause: On June 10, a leak in a flange off of Tank 701, a feed tank containing light cycle oil or diesel, was discovered. Followup: No Notes: Flange was tightened and the leak was secured immediately. Clean up of the soil was completed by June 14. One roll off box of dirt was removed. | Oil: 28.0 gallons |
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