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ExxonMobil Refinery (2638), Baton Rouge

Releases of Natural Gas

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


Cause: One of the vapor release points on tank #100, containing feed oil, opened.

Followup: No

Notes: The tank has a natural gas blanket. It is slowly leaking into the atmosphere. They have a valve they have attempted to close. They believe it has been closed and are waiting to see if there are any more leaks.


Cause: There is a small leak around the thread of an orifice nipple that goes to a block valve.

Followup: No

Notes: It will take a while to fix the problem. Maintenance was on the scene trying to evaluate the problem when SPOC report was released.

orifice plate
Cause: A small leak on an orifice plate on the pipeline that supplies gas to Entergy was discovered.

Followup: No

Notes: Attempting to effect repair at time of SPOC report. Release of natural gas occurred at a rate of 300 pounds per hour.
300.0 pounds


Cause: Experienced a minute and a half of smoking from F2 furnace. Another five minutes of smoking 40 minute later. The 02 Analyzer was malfunctioning.

Followup: No

Notes: The analyzer was in the process of being replaced.


Cause: There was a leak on the union of the gauge glass. The hydrocracker low pressure distillate drum water booted.

Followup: No

Notes: Nitrogen was put into the drum to displace the gas and the the hole will be repaired.

No Information Given
Cause: Fire training was held at the fire training grounds, and the chemicals involved was Diesel and compressed Natural gas. Smoke was released into the air.

Followup: No

Notes: No Information was given for remedial actions. Planned procedure for fire training. Training occurred on two separate days, the 2nd and the 3rd.