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LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
No LDEQ Reported 2005-12-02 | tanks, process fugitives, coker venting, docks, wastewater fugitives | Cause: see notes Followup: Yes Notes: No Information Given | Hydrogen Sulfide: 522.0 pounds |
No LDEQ Reported 2005-11-16 | None Reported | Cause: no details given; sulfur plant incident; no regulatory amounts exceeded Followup: No Notes: Below Reportable Quantities; but regulatory limits were exceeded and will be reported as appropriate in their quarterly and semi-annual reports | |
No LDEQ Reported 2005-10-25 | None Reported | Cause: Leak; no details given Followup: No Information Provided Notes: no details other that there was a leak that occurred with no reportable quantities | |
No LDEQ Reported 2005-10-03 | None Reported | Cause: no details given other than there was an exchanger leak from the No.2 Light Ends Unit with no reportable quantities Followup: No Information Provided Notes: no details were given except that there was an exchanger leak- no reportable quantities had been exceeded | |
No LDEQ Reported 2005-09-24 | None Reported | Cause: no details given, other than there was a release that occurr Followup: No Information Provided Notes: no details other than there was a release that occurred with no reportable quantities | |
No LDEQ Reported 2005-08-25 | None Reported | Cause: No information given other than a pump leak Followup: No Notes: Below Reportable Quantities/DEQ Report | |
No LDEQ Reported 2005-08-14 | None Reported | Cause: No information given other than a fire that occurred on the No.7 Pipestill Unit Followup: No Notes: No details were given; Below Reportable Quantities/DEQ Report | |
No LDEQ Reported 2005-05-15 | None Reported | Cause: Leak on the No.3 light ends unit; no information was given regarding the leak Followup: No Notes: Below Reportable Quantities | |
No LDEQ Reported 2005-05-02 | None Reported | Cause: Leak; no details given Followup: No Notes: Below Reportable Quantities | |
No LDEQ Reported 2005-04-23 | F-501 furnace | Cause: F-501 was releasing more than the permitted amount of nitrogen dioxide per hour Followup: No Notes: The instrumentation system being revised to track compliance for the F-501 furnace calculated that 23.6 lbs of nitrogen oxides were released in one hour, but these emissions are all reported as nitrogen dioxid | Nitrogen Dioxide: 24.0 pounds |
No LDEQ Reported 2005-02-24 | None Reported | Cause: Leak; no information given Followup: No Notes: Only information given is Leak at Alkylation Unit. | |
No LDEQ Reported 2005-02-23 | None Reported | Cause: Leak; no information given Followup: No Notes: Only information given is Leak at Catalyic Cracking Unit. | |
No LDEQ Reported 2005-02-11 | None Reported | Cause: Flaring incident; no details were given. Followup: No Notes: Incident involved flaring. | |
No LDEQ Reported 2005-01-31 | FLARE | Cause: faulty electrical connection caused the compressor to trip on the No. 2 Reformer (RHLA-2); Followup: No Notes: Restarted PHLA-2 and RHLA-2 and diverted HHLA's tail gas to lower pressure system. Refinery will investigate improvements to shutdown facilities. | Sulfur Dioxide: 743.0 pounds Nitrogen Oxide: 35.0 pounds |
No LDEQ Reported 2005-01-22 | None Reported | Cause: Pit vent release- no other information given Followup: No Notes: Information limited to pit vent release at the Sulfur Plant. | |
87870 2006-05-16 | D-104 Hydrocracker | Cause: the clamp on the Hydrocracker D-104 overhead line was leaking. The pressure of the overhead gas was reduced and several attempts were made to reseal the clamp, including trying several different kinds of sealant. The leak would stop for a short durationand then return Followup: No Notes: As of 7:30am on 5/22/2006 - the date of this letter - the leak was ongoing. In this letter, Exxon claims states that the reportable quantities for hydrogen sulfide and flammable vapor were exceeded only during the first 24 hours of the incident. This incident was not preventable because the clamp was considered to be a permanent repair (installed in Dec. 2005) until the scheduled unit downtime in 2008. Remedial Measures- a larger engineered clamp will be installed over the existing clamp. " | Propane: 509.0 pounds Butane: 132.0 pounds Butane: 204.0 pounds Pentane: 19.0 pounds Isopentane: 105.0 pounds Hydrogen: 549.0 pounds Water: 21.0 pounds Hydrogen Sulfide: 482.0 pounds Ammonia: 50.0 pounds Benzene: 2.0 pounds Methane: 1,344.0 pounds Ethane: 674.0 pounds Flammable Vapor: 4,131.0 pounds Volatile Organic Compounds: 40.0 pounds |
97339 2007-06-23 | steam line leak | Cause: OTHER-Overpressure of incinerators during deviation of tail gas between TGCU to SRLA Followup: No Notes: Sulfur pit and tail gases were directed back to TGCU. Leaking portion of tail gas line was repaired. | Hydrogen Sulfide: 460.0 pounds |
96849 2007-06-06 | flange leak | Cause: OTHER-Overpressure of flange line Followup: No Notes: unit was depressurized immediately in accordance with emergency procedures. | 1,3-Butadiene: 29.0 pounds Butene: 215.0 pounds Flammable Vapor: 18,322.0 pounds Hydrogen Sulfide: 1,237.0 pounds |
93020 2007-01-03 | FLARE-Flare #5,7,17,19 | Cause: OTHER-Electrical failure of Coker units Followup: No Notes: Personnel initiated startup of idle compressor recovering most of coker gas. Alternate electrical coordination settings and power supply designs are being evaluated for this system. | Hydrogen Sulfide: 23.0 pounds Methane: 120.0 pounds Ethane: 86.0 pounds Propylene: 27.0 pounds Propane: 72.0 pounds Butene: 34.0 pounds n-Butane: 38.0 pounds Pentene: 38.0 pounds n-Pentane: 18.0 pounds Hexane: 20.0 pounds Sulfur Dioxide: 8,752.0 pounds Nitrogen Dioxide: 19.0 pounds Nitric Oxide: 139.0 pounds |
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