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CITGO Petroleum (1250), Lake Charles
Causal Factor: Start Up, Shut Down
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 84711 2005-12-20 | Sulfuric Acid Plant | Cause: Possible release of H2S and SO2 during a routine startup of the Sulfuric Acid Plant. Followup: No Notes: Claims emission was below RQ. | |
| 82874 2005-10-06 | FLARE | Cause: Plant startup after Hurricane Rita possible release of H2S and SO2. Followup: No Notes: No information given | |
| 82155 2005-09-13 | No Information Given | Cause: First report letter states cause as routine shutdown/startup of the Sulfuric Acid Plant, and that no RQs were exceeded. Second letter for the same incident date claims the release was the result of a small hole found in the shell of the B-502 Reaction Furnace at the D-Sulfur Recovery Unit, and still stating that no RQs were exceeded. Third letter reiterates that it was a routine shutdown, but that RQs may have been exceeded. Followup: No Notes: Claims emission was below RQ in first two letters. All different dates for times of phone call notification (September 12, 13, and 14) and all assigned different case numbers. | |
| 82000 2005-09-07 | None Reported | Cause: Start up of Acid Plant, possible release. Followup: No Notes: Claims emission was below RQ. Delay in reporting because could not get through Hotline earlier. No pollutants released. | |
| 81125 2005-08-11 | Sulfuric acid Plant | Cause: Routine start up of Sulfuric Acid Plant. Followup: No Notes: Claims emission was below RQ | |
| 81200 2005-08-11 | B-9 Flare | Cause: Intermittent flaring of the B-9 Flare during startup of the E212 Tower at the Creformer Unit. Followup: No Notes: Claims emission was below RQ | |
| 77898 2005-03-30 | Flare F 206 A reformer Unit | Cause: release of naphtha to a lined sump open to the atmosphere during start up of Sulfolane Unit Followup: No Notes: Claims emission was below RQ. Foam was applied and vacuum truck. Flare drum overfilled | Naphtha: 55.0 gallons |
| 76011 2005-01-06 | Sulfuric acid Plant | Cause: of sulfuric acid plant Followup: No Notes: Claims emission was below RQ | |
| 92237 2006-11-22 | Thermal oxidizer | Cause: Followup: No Notes: 5th Lake Charles tail gas incident in the past 12 mo.sÉp.1 The current equipmt design of the C-SRP is not adequate to meet the New Source Review Consent Decree of 500 lbs SO2.; p. 4 Remedy A: Implement the low emission start-up recommendations in Option 1 of the C-SRU Tail Gas Alternate Disposition Project Study / Remedy B: Ensure that expert qualified SRU/TG analyzer technicians are scheduled for the duration of a planned Unit start-up | Sulfur Dioxide: 2,400.0 pounds |
| No LDEQ Reported 2006-11-04 | No Information Given | Cause: routine startup of Sulfuric Acid plant Followup: No Notes: No Information Given | |
| 101791 2007-12-18 | Sulfuric Acid Plant | Cause: start up of Sulfuric Acid Pla Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
| 101728 2007-12-14 | Thermal Oxidizer | Cause: start up of D- Sulfur Recovery Unit (D-SR Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
| 101394 2007-12-01 | Heaters and boilers | Cause: unplanned shut down of the D-SRU and the loss of an amine pump at one of the circulators Followup: Yes Notes: CITGO follow-up letter states that the heaters and boilers did not exceed their emission limits by an RQ amount. Letter does not specify whether they exceeded the limits at all. | |
| 101359 2007-11-30 | Sulfuric Acid Plant | Cause: routine start Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
| 101229 2007-11-24 | JC-36 Topper Tail Gas Compressor | Cause: flaring sour tail gas during unexpected shut down of JC- Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
| 101206 2007-11-21 | Sulfuric Acid Plant | Cause: Followup: No Notes: Verbal report indicates delayed notification of emission because there is a new person working the console. Release occurred during routine start up of Sulfuric Acid Plan | |
| 100672 2007-10-31 | None Reported | Cause: aborted start up of Feed Prep Unit ; - tube leak in the B-1 Furnace Followup: No Notes: CITGO letter states that no RQ's were exceeded | |
| 100672 2007-10-31 | A-Topper Unit at the B-7 Flare ; Feed Prep Unit at the B-6 Flare B-6 Flare ; B-1 Furnace | Cause: see not Followup: No Notes: emissions result from flaring of residual materials in preparation for planned turnarounds | |
| 98774 2007-08-17 | Lube Plant Flare | Cause: Vacuum II Un Followup: No Notes: Fire caused by mechanical seal failure at the Lube Plant Flare resulating from shutdown of Vacuum II Unit | |
| No LDEQ Reported 2007-07-23 | Sulfuric Acid Plant | Cause: Followup: No Notes: Emissions occurred during routine startup of Sulfuric Acid Plant | |
| 97649 2007-07-06 | Sulfuric Acid Plant | Cause: Followup: No Notes: Emission occurred during routine start up of Sulfuric Acid Plant | |
| 97786 2007-07-05 | DCDA Stack (Eqt ID B-602) | Cause: Prior to start up the plant is heated to purge the DCDA stack of moistu Followup: Yes Notes: incident investigation prompted by citizen complaint - CITGO did not report the emission; DEQ defers further investigation to next inspection | |
| 96817 2007-06-05 | Sulfuric Acid Plant | Cause: Followup: No Notes: Emissions occurred during routine startup of Sulfuric Acid Plant | |
| 96739 2007-06-03 | B-7 Flare | Cause: Followup: No Notes: Flaring occurred during shut down of the B-Topper Unit | |
| 95799 2007-05-01 | Sulfuric Acid Plant | Cause: routine start Followup: No Notes: | |
| 95491 2007-04-19 | B-Topper Unit, B-7 Flare | Cause: Followup: No Notes: | |
| 95348 2007-04-13 | E-Sulfur recovery Unit (E-SRU) | Cause: no information giv Followup: No Notes: | |
| 94948 2007-03-28 | Sulfuric Acid Plant | Cause: no information giv Followup: No Notes: second Sulfuric Acid Plant incident in four days | |
| 94866 2007-03-25 | Sulfuric Acid Plant | Cause: Followup: No Notes: | |
| 94548 2007-03-11 | Sulfuric Acid Plant | Cause: start up of Sulfuric Acid Plant after unscheduled turnarou Followup: No Notes: | |
| 94517 2007-03-09 | E-10 debutanizer tower | Cause: startup of debutanizer tower in c4 Light Ends Recovery Uni Followup: No Notes: Verbal report indicates that there was a grass fire on the Equistar property across from the BLCOH Control Room. This incident involved three separate flares, lasting a total of 1 h 41 mins. The flares resulted from multiple causes, each of which was related to the malfunction of the E-10 debutanizer tower. The two separate grass fires burned for a total of 2 h 54 m. The letter of 3/16/07 from Citgo states that the emissions limits were not exceeded; however, the DEQ incident report indicates NOxemissions totaled 122 lbs, exceeding the 24 hour limit of 10 lb | Sulfur Dioxide: 969.0 pounds Hydrogen Sulfide: 11.0 pounds Nitrogen Oxide: 122.0 pounds Volatile Organic Compounds: 1,802.0 pounds |
| 94381 2007-03-05 | A-Sulfur Recovery Unit | Cause: start up of A-Sulfur Recovery Unit from a planned turnarou Followup: No Notes: verbal report indicates that poisonous gas went offsite but no offsite protective action was taken; follow-up report on 4/16 indicates Citgo began implementation of six remedial tactics listed in the C-SRU Taill Gas Alternate Disposition Project Study on 4/10/07. | Sulfur Dioxide: 4,580.0 pounds |
| 93243 2007-01-12 | B-7 Flare | Cause: shut down for planned turnaround of York System and parts of the C-4 Recovery Uni Followup: No Notes: | |
| No LDEQ Reported 2008-11-07 | None Reported | Cause: Followup: No Notes: No information given concerning pollutants released or reason for report | |
| 110403 2008-10-27 | B-5 flare | Cause: routine shutdown of the Coker 1 Uni Followup: No Notes: CITGO letter states that emissions were BRQ. No further information given regarding shutdown | |
| 109953 2008-10-09 | Acid Plant | Cause: Followup: No Notes: routine start up of acid plant; no release documented at time of report, verbal report serves as prospective notificati | |
| 109637 2008-09-29 | B-12 Flare | Cause: Followup: No Notes: A-SRU experience swings in air demand caused by hydrocarbon carryover from the A Sour Water Tower (E301A). Flow from E-301 to A-SRU was stopped, then restarted. Startup was cause of release. Stopped again. Another start up released even more SO2. REMEDIAL ACTIONS: Upgrade existing suge tank skim oil pumps, Add third surge tank skim oil pump, install instrumentation to detect hydrocarbons in SWS feed | Sulfur Dioxide: 20,000.0 pounds |
| 108489 2008-09-02 | E-SRU | Cause: Followup: No Notes: Start up of E-Sulfur Recovery unit; no further info given about reason for start up | |
| 106297 2008-06-09 | Acid Plant | Cause: Followup: No Notes: Start up of the acid plant | |
| 106048 2008-05-31 | Acid Plant | Cause: no information giv Followup: No Notes: CITGO letter states that emissions were BRQ | |
| 105979 2008-05-27 | Acid Plant | Cause: no information giv Followup: No Notes: CITGO letter states that emissions were BRQ | |
| 105868 2008-05-22 | Acid Plant | Cause: no information giv Followup: No Notes: CITGO letter states that emissions were BRQ | |
| 104028 2008-03-18 | Sulfuric Acid Plant | Cause: routine startup of Sulfuric Acid Pla Followup: No Notes: CITGO letter states that emissions were BRQ | |
| 103985 2008-03-15 | B-5 Flare | Cause: start up of Coker 1 Un Followup: No Notes: Letter states that emissions did not exceed permitted limits by an RQ amount - does not specify how much was emitted though, or if the amount exceeded the permitted limit | |
| 103360 2008-02-22 | B-6 Flare | Cause: shutdown of Topper Tail Gas Compressor JC36 for maintenan Followup: No Notes: CITGO letter states that the emissions were BRQ | |
| 102678 2008-01-29 | Sulfuric Acid Plant | Cause: routine startup of Sulfuric Acid Pla Followup: No Notes: CITGO letter states that the emissions were BRQ | |
| 102569 2008-01-25 | Sulfuric Acid Plant | Cause: routine startup of Sulfuric Acid Pla Followup: No Notes: CITGO letter states that the emissions were BRQ | |
| 118715 2009-10-14 | No information given | Cause: Accident related to shutdown of the Acid Plant. No RQs were exceeded so no further information is given. Followup: No Notes: No RQs were exceeded so no information is given. | |
| 113121 2009-03-04 | Process Unit | Cause: start up of Acid plant Followup: No Notes: CITGO determined that no RQ's were exceeded, therefore no remedial action was taken. |
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