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ExxonMobil Chemical Plant (286), Baton Rouge

Releases of Boron Triflouride

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
155368

2014-04-19		Exchanger at BRCP's Neo Acid unit
Cause: On April 19, 2014 a tube plug failure was discovered on an exchanger at BRCP's Neo Acid unit resulting in a release of boron triflouride into the GFLA-5 cooling tower. Immediately upon discovery, the leaking exchanger was isolated. Approximately 6,133 pounds of boron triflouride were released as a result of this event. Initial reports stated that benzene was released. A report on 4/25/14 updates the pollutant to boron trifluoride.

Followup: Yes

Notes: Immediately upon discovery, the leaking exchanger was isolated. The refinery plans to develop a strategy around Neo chilled water pH and increase the priority of the existing pH probe alarm.		6,133.0 pounds