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Honeywell (289, 183605), Baton Rouge

Causal Factor: Maintenance/Procedures

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

Cause: The plant experienced a pipe leak in the OMNI 143A unit. The pipe integrity had been compromised during certain operating conditions of the unit that occur on an infrequent basis. These operating conditions are called catalyst burn downs. The pipe leak most likely developed during previous catalyst burn downs.

Followup: No

Notes: The unit was immediately shutdown to stop the leak. Water was also applied to the leak in order to minimize the emissions. The entire segment of the pipe that the leak occurred on was replaced with Teflon lined pipe in order to improve the integrity and prevent any future incidents.
Hydrochloric Acid: 119.8 pounds
1,1,1-Trifluoroethane: 119.8 pounds
Hydrofluoric Acid: 2.2 pounds
Chlorine Gas: 0.0 pounds

pressure transmitter
Cause: The plant was in the process of repairing a pressure transmitter. When the transmitter was isolated for repair, this inadvertently caused an over pressure of the system.

Followup: No

Notes: DUring the over pressure, the relief valves on the system opened as designed. The relief valves vented through the low pressure scrubber system and then to the air.
Hydrochloric Acid: 533.0 pounds
Chlorodifluoromethane: 651.0 pounds