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CITGO Petroleum (1250), Lake Charles

Causal Factor: Under Investigation

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release
97987

2007-07-19
Tail gas treatment unit (TGII) at Sulfur Recovery Plant
Cause: Under Investigation

Followup: Yes

Notes: Sour H20 Stripper contained hydrocarbons which will foul the SRU. Off site impact of short duration



97675

2007-07-07
Sewer system at alkylation unit
Cause: Under Investigation

Followup: No

Notes: CITGO attempts to flush out sewer line to find leak; has not found it.

96499

2007-05-23
D-Dock
Cause: Under Investigation

Followup: No

Notes: DEQ representative goes to site - a barge did run into the dock, but CITGO reps says that this is not the source of the sheen. Surface run-off is cited as source, due to recent heavy rain. Booms deployed to absorb sheen, but too little to be absorbed. Dye used to trace sewer and storm water lines to locate intro point

113973

2009-04-06

storm water sewer
Cause: Source of hydrogen sulfide and ammonia odors were detected in the vicinity of the storm water main lateral is under investigation.

Followup: Yes

Notes: Investigation and closure letter are to be delivered by 5-15-09.


142203

2012-08-17
Bleeder valve K-16 pit
Cause: On August 17, 2012, operators discovered an open 1/2 inch bleeder on a naphtha pump. The bleeder was draining into the K-16 concrete pit. Upon discovery, the K-16 operator closed the open bleeder valves. At this time, the cause of the open valves is unknown. The valves were not believed to have been open when the pump was returned to service, earlier in the same day. This incident is being investigated.

Followup: No

Notes: There are no known offsite impacts of the air release. Upon discovery of the an open bleeder, the operator closed the bleeder valve. Aqueous film foaming foam (AFFF) was then applied to the K-16 pit to limit the amount of evaporation to the atmosphere and vacuum trucks were called to remove the material in the pit. The bleeder tubing and valve assembly on this pump has been replaced with a single valve and bull plug.
Heavy Naphtha: 1,269.0 pounds
137532

2012-02-29
Exchanger #C-234
Cause: Exchanger #C-234 started leaking due to a leak in the central amine unit. Liquid amines were contained to concrete but did go offsite.

Followup: No

Notes: The unit was shutdown and the area was to be washed down with water. There is no LDEQ report attached to this file.

148257

2013-03-24
CLAW Tank 242
Cause: On March 24, 2013 89 barrels (3738 gallons) of light gas oil were released to the ground at CLAW Tank 242.

Followup: No

Notes: The leaking sample tap was closed. The tank operations were stopped and SPCC measures were taken to control and remediate the spill.
Gas Oil: 3,738.0 gallons
146376

2013-02-01
Tank 182
Cause: On February 1, 2013, hydrocarbon vapors were discovered near tank 182. Tank 182 is a spent caustic tank which receives a portion of its feed from the Girbotol unit. It was determined that a spent caustic, flow control valve in the Girbotol unit had been manually opened to an extent and time which allowed a propane/ propylene mixture to migrate to tank 182. The propane/ propylene mixture was then released from tank 182. This event is currently under investigation.

Followup: No

Notes: Release calculations indicate that reportable quantities of volatile organic compounds (VOC) and flammable gas were exceeded. The spent caustic line was closed preventing any additional release of C3 mix to tank 182. Of the 12,000 lbs of flammable gas released, 11,700 lbs were VOCs.
Flammable Gas: 12,000.0 pounds
No LDEQ Reported

2014-09-06
Transfer Line at D-Dock
Cause: After completion of the cargo loading and while disconnecting transfer lines, a spill occurred at the CITGO LCM D-Dock. The spill was due to the GENISIS Marine Barge GM 3003, operated by TEAM Services, pressuring back to the dock for reasons that remain under review. The offsite impact was the release of .74 gallons of VGO to the Calcasieu River.

Followup: No

Notes: The TEAM Services Tanker man closed off the valve which stopped the back pressure on the line from the GENESIS Marine Barge GM 3003. A review of the incident is being conducted to determine the root cause and implement corrective actions.
Vacuum Gas Oil: 0.7 gallons