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ExxonMobil Chemical Plant (286), Baton Rouge

Releases of Ammonia

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

Hatch on rail car
Cause: They are loading rail cars. There is a leaking hatch on a rail car.


Notes: They applied a water spray down wind. They are replacing the seal.
100.0 pounds

ammonia scrubber water control valve
Cause: The Baton Rouge Chemical Plant is permitted under permit number 2390-V2 to unload ammonia railcars. The resulting ammonia emissions are routed through an ammonia water scrubber before emitting from vent stack V-462. On November 17, 2012, the ammonia scrubber water control valve was inadvertently placed in manual control. The valve remained closed until discovery on January 11, 2013.

Followup: No

Notes: Additional training, alarm management, and stewardship will be instituted to prevent recurrence.
619.1 pounds