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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 128351 |
| State Police # | 10-07321 |
| Accident Date | 2010-12-27 |
| Report Date | 2011-01-03 |
| Follow-up Date | 0000-00-00 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | 15 m | Flares #17 and #19 | NO | YES | NO | 1,127.0 pounds |
Accident Classified As: Reportable Quantity
Cause of Problem: Process Upset
The alkylation unit was being shutdown and a compressor at the hydrocracker unit was starting up, this helped the flare gas recover unit to receive higher than normal hydrocarbon vapor rates. This exceeded the vapor recovery system capacity leading to temporary flaring of flare #17 and #19, and the leaking of sulfur dioxide.
Discharge Preventable - Yes
"This incident was preventable and exceeded a RQ, therefore it will be further investigated during the next compliance inspection"
Notes/Remedial Actions
"Unit operations were adjusted to end the flaring." "Increased monitoring will be conducted on gas vent rates to prevent recurrence"
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