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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|Outfall 001||Cause: Stormwater removed during Hurricane Rita fromt the containment area to prevent equipment damage was processed for discharge through OF 001. During the discharge, a by-pass valve failure allowed the discharge of some untreated wastewater containing chloroform. Post incident inspection found that the by-pass valve could not be completely closed even though all of the valve's external position markers indicated it was in a fully closed position.|
Notes: The valve was replaced, and a blind was inserted in the line to prevent any further leakage.
|Cause: The refinery reported a continuous release to the atmosphere.|
Notes: LABB's file only contains the SPOC report. Chloroform released at 10 lbs/day. Perchloroethylene released at 100 lbs/day
|Cause: While loading chloroform from a rail car to the storage tank, chloroform was released from the storage tank conservation vent into the atmosphere. The relief valve opened because of excess nitrogen being introduced into the tank due to a non-working dip line in a rail car.|
Notes: The refinery reviewed tank inspection process and replaced the relief valve on the chloroform storage tank vent condenser.
|Transfer hose||Cause: An operator who was unloading a chloroform railcar notices a leaking hose. The leak had started between the hours of 3:15 am, when the unloading began, and 6:45 am, when the leak was stopped. The cause of the leak was a gasket failure on the transfer hose.|
Notes: Prior to unloading the railcar, the operator checked the hoses and found no leaks. Once the leak was discovered, the chloroform transfer was terminated to stop the leakage from the hose. The facility's emergency response team isolated the leak and cleaned up the area. The waste material was placed in an approved DOT container. The facility stated in its letter that it plans to conduct a detailed analysis of the gasket, the unloading operation, and others.
|Cause: Someone noticed a temperature change in one of the processes in the plant, which led this person to check a relief valve. The relief valve, which is on top of the #1 Chloroform Storage Condenser, was leaking. Both of the possible chemicals released would have evaporated before they hit the ground. None of the air monitors 15 ft below the condenser went off.|
Notes: The relief valve reseated after the incident. Honeywell is continuing to investigate what exactly was released. Amount of dichlorotrifluoroethane and chloroform released is unknown.
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