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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
WILA tanks #8 and 9
|Cause: The release was caused by the pumping of low flash material into WILA Tanks 8 and 9. The material evolved a greater amount of vapor than the tank's vapor recovery system could manage. The evolution of the vapor caused the pressure in the tanks to exceed that of the pressure vent set point.|
Notes: Introduction of low flash point material into these tanks was immediately halted. They could not expect the flash material to evolve too much vapors. Tanks could not handle the vapors and valve lifted. Operators will be trained to communicate better to prevent the overpressure happening again. RQs exceeded for benzene. Total release of hydrocarbons is 600 pounds.
|EPLA-W Compressor, flares #10, 25, and 26|
Flares #10, 25, and 26
|Cause: A fire resulted in a compressor shut down and material being flared from 10:30 pm - 11 pm. Around 10:30 pm the charge gas compressor (EPLA-W compressor) for the Olefins Maintrain furnaces tripped due to failed overspeed wiring. This occurred because of a small leak of lube oil from the steam driver which caught fire. This fire was small but close to the wiring which malfunctioned.|
Notes: This incident is linked to incident #112824. The effluent gases were diverted to flares before the compressor could be repaired. Start up began around 8:45 pm on 2/18/09. Flaring during shut down through start up resulted in exceedances of RQs for ethylene, propylene, butadiene, nitric oxide, and sulfur dioxide. Also they had three compliance excursions from smoking of flares #10, #25, and #26. This was a non preventable incident from a malfunction. They are looking into preventing lube oil leaking and collecting near compressor wiring.
|compressor KC-01||Cause: A combination release occurred due to a cracked pipe in the thermo well of the ethylene production unit.|
Notes: An engineered clamp is being fabricated and will be installed to isolate the leak. Estimated 72 hours to install clamp and secure leak. Individually this event did not exceed the RQ for HRVOC, but in combination with another incident (#11-07037) the RQ for HRVOC was exceeded on Friday, November 11. Approximately 122 pounds of HRVOC's were released. On November 11, 2011 at approximately 13:51 Derek Reese stated the ongoing release subsided to 4.25 lbs/hr and was now below RQ. (still ongoing on report date 11/16/11) Area monitoring and LDEQ monitoring on the fenceline (including grab sample) did not detect anything. LDEQ did pick up .25ppb of Benzene. A total of 108 pounds per day of charge gas is being released as a result of this event. Cumulative emissions which include the total emissions from the incident and complete response, will be included in the follow-up report.