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CITGO Petroleum (1250), Lake Charles
Causal Factor: Maintenance/Procedures
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 83653 2005-11-03 | B-11 flare | Cause: Release coming from a B-11 on-site flare, routine shutdown of the Unicrackert Unit Followup: Notes: Claims emission was below RQ. Handwritten note states 'Update to rits05-3566 T82492'. No official time of when release was stopped, but LDEQ notes that the incident was 'secured' on November 7 at 10:00 AM when the system returned on line. | |
| 82213 2005-09-14 | B-12 Flare | Cause: Routine shutdown of the Unicrackert Unit. Followup: No Notes: States no offsite impact. | Sulfur Dioxide: 4,853.0 pounds |
| 80714 2005-07-22 | Sulfuric acid Plant | Cause: routine start up of Sulfuric Acid Plant Followup: No Notes: Claims emission was below RQ | |
| 80493 2005-07-13 | B-7 Flare | Cause: shutdown for planned maintenance of the B-Topper Unit Followup: No Notes: Claims emission was below RQ | |
| 79736 2005-06-10 | Sulfuric acid Plant | Cause: routine start up of Sulfuric Acid Plant Followup: No Notes: Claims emission was below RQ | |
| 78602 2005-04-28 | B-5 FLARE | Cause: during shutdown for planned turnaround of C-Topper and Straight Run Fractionation Units Followup: No Notes: Claims emission was below RQ. State police state that flaring will go on for 24 hours. | |
| 75706 2005-01-25 | B-12 Flare | Cause: Unicracker Unit was shutdown for repairs. Emissions occurred during repeated start up; - failure of seal on JP127 propane transfer pump significantly contributed to SO2 H2S emissions Followup: No Notes: Failure of propane transfer pump seal contributed to 12.300 pounds of SO@ and all of the H2S emissions.Incident recurring since 12/27/04. Performing RCFA to be completed. | Sulfur Dioxide: 23,089.0 pounds Hydrogen Sulfide: 133.0 pounds |
| 92895 2006-12-27 | D-Sulfur Recovery unit | Cause: start up of the D-Sulfur Recovery Unit from a planned turnaround Followup: No Notes: Claims emission was below RQ | |
| 92010 2006-11-11 | API Separator vents at the Wastewater Treatment Plant | Cause: a knockout drum level controller located downstream of the blower used at the API Separator to move vapors to the B-700 Flare was taken out of service for repair Followup: No Notes: Claims emission was below RQ | |
| 96170 2007-05-13 | B-5 flare | Cause: depressuring a propane condensate line to the flare from the Oil Movement Area Followup: No Notes: propane transfer line removed for repair causes incident; De-pressuring to on-site refinery flare. Remedial action, if any, unclea | |
| 107918 2008-08-10 | K16 Areas | Cause: a vessel at the gas treating plant was being drained Followup: No Notes: Hydrocarbon and hyrdogen sulfide odors emanating from plant | Under Investigation Under Investigation |
| No LDEQ Reported 2008-05-01 | B-Dock | Cause: B-Dock Rehabilitation efforts disturb Solid Waste Mgmt Unit #138 Followup: No Notes: | |
| 104545 2008-04-07 | B-7 Flare | Cause: combusting excess treated refinery fuel Followup: No Notes: CITGO letter states that emissions were BRQ | |
| 103895 2008-03-13 | 650 Transfer pipeline | Cause: 6 inch line inside the plant was leaking during pressure testing Followup: No Notes: Vacuum trucks deployed to recover spill; excavation and new soil to follow. This release resulted from the investigation into the cause of another release. Impacted soil removed from ground; pipeline failure being repaired | Vacuum Gas: 790.0 gallons |
| 103210 2008-02-19 | Tank 197 Run Down Line | Cause: 6 inch line inside the plant was leaking during maintenace of the Tank 197 run down line Followup: No Notes: CITGO letter states that the emissions were BRQ but DEQ report indicates that the amount has yet to be determined | |
| 122168 2010-03-17 | B-12 flare | Cause: Swapping out compressors, overloaded system, valve released to flare Followup: No Notes: no information given | |
| 121512 2010-02-13 | flare gas recovery unit | Cause: tie-in line being under construction in new Flare Gas Recovery Unit spilled hydrostatic test water and residual light cat feed from the blinded end of a pipe--initial estimate is 420gal total. Written report states that release was BRQ. Followup: No Notes: BRQ. Written report states that calculations determined the release was below reportable quantities. Majority of spill cleared with vacuum truck and absorbent pads. LDEQ conducted on-site visit and report on 2/13/10. | |
| 133463 2011-08-24 | Fluidized Catalytic Cracking Units (FCCU) stacks; Wet Gas Scrubber | Cause: Hydrogen Cyanide and Chlorine were identified in the Fluidized Catalytic Cracking units vent stacks during stack testing mandated by the EPA's information collection request. This has been a continuous and on-going release Followup: Yes Notes: CITGO's review of the stack testing and operating data indicates that an air release of hydrogen cyanide and chlorine exceeded a reportable quantity although no quantities were indicated in the report. CITGO was required by EPA to conduct stack testing on 1 of its 3 Fluidized Catalytic Cracking units and report such stack test results before August 31, 2011 to the EPA. The ICR required that CITGO test for hydrogen cyanide and chlorine from this unit. 30 day letter submitted on September 21, 2011 and 1 year follow-up submitted August 24, 2012. CITGO has been releasing between 1,155 lbs to 5,535 lbs of hydrogen cyanide a day for a total of 846,479 lbs per year. They have also been releasing 88 lbs to 116 lbs per day of chlorine for a total of 34,111 lbs per day. | Hydrogen Cyanide: 846,479.0 pounds Chlorine Gas: 34,111.0 pounds |
| 149504 2013-07-02 | Tank 182 | Cause: On July 7 at approximately 9:35 PM, a blowdown of the girbotol unit to Tank 182 caused a release of propane (C3 mix) to the air from Tank 182. Followup: Yes Notes: System was secured after discovery of release. No specific information given on remedial actions. A review of operating data from event showed no RQs exceeded. | |
| 148585 2013-05-09 | No information Given | Cause: On May 9, 2013, CITGO Petroleum Complex notified LDEQ's Single Point of Contact of a flammable gas (propane) release during maintenance on a pilot gas for a flare. Purge gas was used to keep the flare lit. As a result of high winds, the pilot light went out and approximately 2800 lbs of gas was released to the atmosphere. The amount released was below the reportable quantity; therefore CITGO is regarding this as a courtesy call. Followup: No Notes: | |
| 158525 2014-09-04 | Transfer Line | Cause: During maintenance activities of a transfer line, Reformate was spilled to the ground outside of containment. The transfer line was being drained from a line break at a flange. When the line break at the flange was made, a rapid release of Reformate overcame the secondary containment. No off site impacts due to this spill.
Reformate is a mixture >/= 80% Naphtha, 10%-<35% Toluene, <1% Benzene Followup: Yes Notes: The transfer line flange was re-bolted to stop the release. Pressure gauges were installed on the transfer line to prevent a rapid release of Reformate while daining the line during the maintenance activity. | Reformate: 273.0 gallons |
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