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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
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








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
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.