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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 116863 |
| State Police # | 09-04089 |
| Accident Date | 2009-07-28 |
| Report Date | 2009-08-04 |
| 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 | 50m | flare system | NO | YES | NO | 1,161.0 pounds |
| Nitrogen Oxide | 50m | flare system | NO | YES | YES | BRQ |
| Volatile Organic Compounds (VOCs) | 50m | flare system | NO | NO | YES | BRQ |
| Benzene | 50m | flare system | NO | NO | YES | BRQ |
| Hydrogen Sulfide | 50m | flare system | NO | NO | NO | BRQ |
Accident Classified As:
Cause of Problem: Start Up, Shut Down
PCLA-2 Fluid Catalytic Cracking Unit restart caused discharge. Unit unexpectedly shutdown earlier in the day. Restart caused pressure to build and ultimately flaring.
Discharge Preventable - No
Cause of overhead gas production surge is not yet understood. It is under investigation.
Notes/Remedial Actions
RQ for SO2 exceeded. State Police HAZMAT report and company reports differ in pollutants. Feed was reduced o the unit, temperatures within unit was decreased and compressor was restarted.
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