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ExxonMobil Refinery (2638), Baton Rouge

Releases of N-Methyl-2-Pyrrolidone

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
133841

2011-09-04		Tower T2B
Cause: A pinhole leak on tower T2B resulted in a release of flammable gas from tower inlet line.

Followup: No

Notes: The inlet line was isolated 1.5 hours after release discovery and approximately 25 pounds of n-methyl-2-pyrrolidone were released. No RQs were exceeded as a result of this event.		25.0 pounds
129059

2011-02-04		Insulated Pipe Band
Cause: A leak of N-Methyl-2-Pyrrolidone developed in an insulated pipe band.

Followup: No

Notes: BRQ. The unit was shut down. Fluid was collected with absorbent pads. The process unit was evacuated to investigate the incident. Containment of the spill and very low vapor pressure properties of the material prevented any impact on the environment.