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ExxonMobil Refinery (2638), Baton Rouge

Releases of Polycyclic Aromatic Hydrocarbons

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release


Cause: There was a leak into the boiler feed water system at the far east coker unit.

Followup: No

Notes: They were attempting to isolate the source. Amount of PAH's and VOC's released is estimated at 2 barrel.

Cause: Leak from pipe near Ave I and 16th Street.

Followup: No

Notes: Release exceeded RQs. Line isolated and vacuum truck recovered majority of release. Line will be replaced with flanged spool piece. Contaminated soil will be removed.
2.1 pounds

insulated dead leg pipe
Cause: Leak from corrosion in insulated dead leg pipe.

Followup: No

Notes: Release is above RQs. Line isolated and insulation stripped from piping. A clamp was placed over leaking section. Contaminated soil removed. Long term solution is being determined.
4.9 pounds

Coker Feed Pump: P-6
Cause: Leak occurred because a stream of cold feed entered the suction of the pump. When the cold stream reached the pump, the pump began to cavitate, causing excess vibration. The vibration caused a line coming off of the pump to break.

Followup: No

Notes: The failed piping will be replaced with an upgraded class to withstand future upsets of this nature. Contaminated soil has been remediated and disposed of properly. The RQs for PAHs and oil to soil was exceeded.
3.6 pounds

Tank Transfer Piping
Cause: Underground corrosion caused a failure in the line of tank transfer piping.

Followup: No

Notes: RQ. When the leak was discovered, the underground line was isolated via block valves. The failed line was CLAMPED to prevent further leaks. Contaminated soil was removed to confirm the leak source. Refinery letter also states that there were "no offsite impacts, injuries, or complaints as a result of this incident."
22.0 pounds

Fuel oil line
Cause: Operations found an oil stain found on gravel, and further investigation revealed that leak was coming from a fuel oil line that held low sulfur fuel oil.

Followup: No

Notes: To end the event. the line was removed from service. No RQs were exceeded as a result of this event.
0.5 pounds

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.
1.0 pounds

No Information Given
Cause: Flaring occurred at the ExxonMobil Baton Rouge Refinery (BRRF) on December 1, 2013. Approximately 0.75 pounds of PAH and 214 pounds of VOC were released.

Followup: No

Notes: After further evaluation, ExxonMobil Baton Rouge Refinery determined that no reportable quantities were exceeded.
0.8 pounds

Line in OSD area
Cause: On Sept. 27, 2014 the Baton Rouge Refinery experienced an oil spill to soil in the OSD area of approximately 15.5 barrels. During operator rounds, oil was discovered in an excavation near the Tar loading line. Immediately upon discovery, the line was isolated and water washed. A vacuum truck was used to remove the oil.

Followup: No

Notes: Upon discovery, mitigation measures were initiated. The spill source was isolated and soil remediation began. Soil remediation was completed on Sept 30, 2014 at 1PM. The line has been removed from service until a permanent repair can be made. Permanent repair options include replacing the line or installing a welded leak box.
4.7 pounds

no information given

Followup: No

0.0 pounds

Coker feed line
Cause: On March 11, 2014 at approximately 7:30 a.m., the OSD Feed Sectin experienced an oil spill to soil of approximately 14.0 barrels of coker feed. While the Feed Section operator was performing a routine round, oil was discovered leaking from under the insulation of a Coker Feed line used to transfer material between tanks. The leak occurred on an above ground portion of the line. Once the insulation was removed a ~3.5 inch crack was found in the weld.

Followup: No

Notes: Spill mitigation steps were put into place and cleanup began within the hour of discovering the leak. This line will remain out of service until permanent repairs are made. Permanent repairs include replacing affected pipe.
17.0 pounds