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ExxonMobil Refinery (2638), Baton Rouge
Causal Factor: Weather
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| No LDEQ Reported 2007-07-05 | tank 263 | Cause: STORMS- styrene that is not permitted to be stored in tank in the east area south field tanks were emitted while stored in these tanks. Followup: No Notes: LCCO is being removed from tank 263 (usual incident number not listed, LAC number given instead); this could have been preventable and the Refinery could have reduced rates, however this was not considered prudent under the given circumstances | 0.0000029 0.000002288 0.00000047 Volatile Organic Compounds: 211.0 pounds |
| 97285 2007-06-02 | failed system | Cause: STORMS-Heavy rains(air blower system failed) Followup: Yes Notes: Airflow to the furnace was reestablished. | Carbon Monoxide: 36,625.0 pounds |
| 95874 2007-05-03 | Leak-process sewer leak | Cause: STORMS-Heavy rains(surrogate sewer needed for storm water diversion) Followup: Yes Notes: The excavated sewer line will be repaired. During rain shoring in excavation was damaged and shoring must be repaired before permanent sewer repairs commence. | Primary Sludge: 14.0 pounds |
| 108690 2008-09-05 | Flare | Cause: STORMS-startup brought on flaring after rapid shutdwon due to Hurricane Gustav Followup: Yes Notes: refinery is undergoing startup operations. All efforts are being made to minimize environmental impacts. A follow up report will be submitted when startup flaring has ended. | Hydrogen Sulfide: 3,806.0 pounds Nitrogen Dioxide: 36,505.0 pounds Sulfur Dioxide: 368,396.0 pounds Ammonia: 312.0 pounds |
| 108484 2008-09-02 | FLARE-Sour Water Stripper routed to flare | Cause: STORMS-Hurricane Gustav Followup: No Notes: no information given | Sulfur Dioxide: 506,946.0 pounds Nitrogen Oxide: 1,797.0 pounds Nitrogen Dioxide: 72,037.0 pounds Volatile Organic Compounds: 12,228.0 pounds Hydrogen Sulfide: 5,496.0 pounds Ammonia: 618.0 pounds |
| 108485 2008-09-01 | FLARE- All 8 flares FLARE-All 8 flares | Cause: STORMS-Hurricane Gustav Followup: No Notes: Refinery was safely and sytematically shutdown due to the hurricane. Learning from this even will be incorporated into future hurricane preparations. | Sulfur Dioxide: 28,656.0 pounds Nitrogen Oxide: 1,314.0 pounds Nitrogen Dioxide: 225.0 pounds Volatile Organic Compounds: 7,690.0 pounds Propylene: 174.0 pounds |
| 108721 2008-09-01 | Atmospheric release | Cause: STORMS-Hurricane Gustav Followup: No Notes: no information given | Methyl Ethyl Ketone: 22,698.0 pounds MIBK(Methyl Isobutyl Ketone): 5,675.0 pounds |
| 107396 2008-07-19 | Cause: Oil sheen was seen after rain. Followup: No Notes: LDEQ report stated excavation in refinery area, after rain saw an oil sheen on water in hole (cat naptha)oi | ||
| 105626 2008-05-15 | outfall #1 system | Cause: Due to heavy rains, outfall #1 system discharged an oily material into the Mississippi River. Followup: No Notes: The spill was below the reportable quantity, so no written report was submitted by ExxonMobil. | |
| 103806 2008-03-11 | spill | Cause: Dirt stored in wast management area was leached through by the rain. Followup: No Notes: All oil that leaked into parking lot was removed and contaminated soil was removed and disposed properly. Additional barrier was created around Waste Management area to contain oily residue. | |
| No LDEQ Reported 2009-12-08 | Outfall 003 | Cause: The large volume of water after a heavy rainfall resulted in an oil sheen. Oil was release through Outfall 003 into bayou. The size and color of the sheen indicated a release of less than 1/4 gallon of oil. Followup: No Notes: Release is BRQ. | Oil: 0.3 pounds |
| 116811 2009-07-27 | Oil-Water Separator | Cause: Due to heavy rainfall, the Oil-Water Separator at QAL overflowed. Followup: No Notes: RQ exceeded. Vacuum truck and absorbent pads recovered the material. Contaminated soil was disposed of. Tank levels will be monitored more closed in the future. | F037 Hazardous Waste: 15.0 pounds |
| 116531 2009-07-15 | Outfall 003 | Cause: There was a rain storm that lasted 1 hour and 15 minutes and produced 3.5 inches of rain. During this time, an estimated 1/8 of a gallon of oil was released into the treatment system and thus spilt through Outfall 003 into Callahan's Bayou. The oil sheen was 20'x30' and dissolved as it went with the current. Followup: No Notes: RQ not exceeded. | Oil (Sheen): 0.1 pounds |
| 128383 2010-12-30 | Outfall 003 | Cause: ExxonMobil received over 3 inches of rain in an eight hour period during the evening of 12/29/10, and this large volume and intensity of water resulted in an oil sheen. Material was released through Outfall 003 into Mississippi River via Callahan's Bayou. The size and color of the sheen indicated a release of approximately .25 gallons of oil per National Oceanic and Atmospheric Administration sheen estimating guidance. Followup: No Notes: Sheen boomed off & cleaned up. Additionally, boom at Callahan's Bayou that was found broken was replaced. Duration of release was approximately 1h 40m from discovery to cleanup completion. This incident will be reviewed through the Refinery's stormwater compliance program, STOP (Sewer Tracking and Oil Prevention) to evaluate responses to future potential rainstorms. | Oil: 0.3 gallons |
| 128030 2010-12-07 | No Information Given | Cause: The cold weather may have prevented the gas from reaching the compressor and caused the flare to burn which released sulfur dioxide. Followup: No Notes: The LDEQ incident report says that an estimated 500 pounds of sulfur dioxide was released due to flaring. This amount is reportable quantity. However, the refinery letter states that no releases exceeded reportable quantity. | |
| 120699 2010-01-10 | vacuum jet on vapor recovery system | Cause: Vacuum jet that keeps the vapor recovery system failed due to cold weather. Benzene vented to atmosphere intermittently and restarted once thawed.
Written report states that block in fuel gas line due to subfreezing temperatures resulted in back pressure on blowdown drum which blew intermittently its atmospheric seal. HCE vacuum jet sends vapors from several tanks in Aromatics unit to this blow down drum ( BD-106) and resulted in tank venting to atmosphere. Amount of Benzene released from these two sources is 66 lb. Followup: No Notes: Release exceeds RQ. Exxon thawed liquid line, vacuumed liquid away and restarted jet. Steps in place to eliminate freeze points and restore flare gas pressure. LABB only has access to State Police and LDEQ reports. | Benzene: 66.0 pounds |
| 120701 2010-01-10 | leaking pipe | Cause: Benzene spill possibly due to pipe leaking in freezing weather. Followup: No Notes: No Refinery letter. LDEQ report indicates refinery filed a report with State Police detailing the event, but it's not included in the file. | Wastewater: 20.0 gallons |
| 120677 2010-01-09 | unspecified piping | Cause: Discharge piping on pump had freeze related damage. Followup: No Notes: Release is below reportable quantities. | |
| 120611 2010-01-08 | flare | Cause: Over pressure to flare due to cold weather. LDEQ indicates it is a safety issue and flared with smoke.
No information given as to amounts of releases. Followup: No Notes: LABB only has access to LDEQ incident report. No information provided if release was BRQ. | |
| 132835 2011-07-31 | Furnace 1 | Cause: Initial reports indicate that lighting struck furnace 1 and the fire went out and smoked for 11 minutes. Followup: No Notes: Less than 1 pound of PAHs were released which is BRQ. | Polycyclic Aromatic Hydrocarbons: 1.0 pounds |
| 142046 2012-08-11 | Rain Basin 2 - Outfall 003 | Cause: A heavy rainfall event occured resulting in Rain Basin 2 to overlflow through Outfall 003 into Callahan's Bayou and then into the Mississippi River. The sheen was approximately 50ft X 30ft, and the volume released was less than 2 cups of oil. ExxonMobil deployed additional containment boom immediately upon an employee's discovery of the sheen.
Investigation efforts to determine root cause analysis are still under investigation. Followup: No Notes: Upon discovery boom was deployed to contain and absorb the sheen. Investigation efforts to identify root cause of oil are inconclusive. ExxonMobil will continue to monitor for potential oil in sewers and collection system to detect and mitigate potential spills. Upset description states that the River Basin 2 overflow through the Outfall 003 started on August 9, 2012 at 17:57 hours and continued until cessation on August 12, 2012 at 20:06 hours. Thus, the overflow occurred for 3 days, 2 hours, 9 minutes. | Oil (Sheen): 0.1 gallons |
| 137359 2012-02-18 | FLARE: Flare #7 | Cause: Excessive rainfall caused an electrical ground fault to occur with some of the compressor's control instrumentation causing the three compressors to shut down. excesses gases were released to the flares. Followup: No Notes: Air monitoring occurred and eventually two of the three compressors were brought back on-line and flaring ceased. There is no refinery Incident report and no SPOC report attached to this file. | Sulfur Dioxide: 18,333.0 pounds Hydrocarbon: 2,069.0 pounds Highly Reactive Volatile Organic Compounds (HRVOCs): 167.8 pounds Propylene: 156.1 pounds Hydrogen Sulfide: 147.6 pounds Nitric Oxide: 1,404.8 pounds Volatile Organic Compounds (VOCs): 6,421.8 pounds Ethylene: 112.0 pounds Nitrogen Dioxide: 1,069.0 pounds Benzene: 10.4 pounds Butadiene: 10.3 pounds |
| No LDEQ Reported 2013-01-09 | Outfall 003 | Cause: On January 9, 2013 at the ExxonMobil Baton Rouge Refinery a heavy rainfall event occurred resulting in Rain Basin 2 to overflow through Outfall 003 into Callahan Bayou. Between January 8, 2013 and January 10, 2013, ExxonMobil received approximately 6.2 inches of rain. At approximately 12:35 p.m. an ExxonMobil employee at the Dock discovered an oil sheen coming from Callahan Bayou. Followup: Notes: The size and color of the sheen were used to estimate the total release of oil based on the National Oceanic and Atmospheric Administration (NOAA) sheen estimating guidance. Approximately one cup of oil was released. Upon discovery, boom was deployed to isolate the source of oil. Vacuum trucks have been utilized to skim the Refinery's #2 Rain Basin of oil. | Oil: 0.1 gallons |
| 156260 2014-05-28 | Refinery Outfall 003 | Cause: 2 Incident numbers; the second is 14-02336
3 inches of rain caused an oil sheen to escape the Refinery's outfall and enter the Mississippi River via Callahan's Bayou. Sheen was 100ft by 20ft and light silver in color. Followup: No Notes: The incident will be reviewed through the refinery's storm water compliance system. Hard and absorbent boom were used to collect the oil. Amount of oil spilled was calculated using the National Oceanic and Atmospheric Administration (NOAA) sheen estimating guidance. | Oil: 0.1 gallons |
| 156261 2014-05-28 | Stormwater Outfall 003 | Cause: Exxon received over three inches of rain. This volume resulted in oil exiting the refinery's Stormwater Outfall 003, entering the Mississippi River through Callahan's Bayou and creating a sheen. Sheen was approximately 20 ft by 100 ft. Followup: No Notes: Sheen was cleaned up by hard absorbent boom. This incident will be reviewed through the Refinery's storm water compliance program STOP (Sewer Tracing and Oil Prevention) to evaluate responses to future rainstorms. | Oil: 0.1 gallons |
| No LDEQ Reported 2014-04-07 | Rain Basin #2 | Cause: A severe thunderstorm on 4/7/2014 resulted in Rain Basin 2 overflowing through Outfall 003 into Callahan Bayou. An ExxonMobil operator discovered an oil sheen coming from Callahan Bayou. The size and color of the sheen were used to estimate the total release of oil based on the National Oceanic and Atmospheric Administration sheen estimating guide. Followup: No Notes: Upon discovery, boom was deployed to contain the sheen. Vacuum trucks have been used to skim the refinery's #2 Rain Basin of oil. | Oil: 0.1 gallons |
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