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ExxonMobil Refinery (2638), Baton Rouge
LDEQ Accident Report
| Accident # | 104962-104935 |
| State Police # | 08-02198, 08-02214 |
| Accident Date | 2008-04-20 |
| Report Date | 2008-04-25 |
| 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 |
| Hydrocarbon | 24 h | leak/FLARE-Flare 5,9,19,20,24 | NO | NO | YES | 108.0 pounds |
| Hydrogen Sulfide | 24 h | leak/FLARE-Flare 5,9,19,20,24 | NO | NO | NO | 4.0 pounds |
| Sulfur Dioxide | 24h | leak/FLARE-Flare 5,9,19,20,24 | NO | YES | NO | 1,445.0 pounds |
| Nitric Oxide | 24h | leak/FLARE-Flare 5,9,19,20,24 | NO | YES | NO | 68.0 pounds |
| Nitrogen Dioxide | 24h | leak/FLARE-Flare 5,9,19,20,24 | NO | YES | YES | 12.0 pounds |
| Benzene | 24h | leak/FLARE-Flare 5,9,19,20,24 | NO | NO | YES | |
| Methane | 24h | leak/FLARE-Flare 5,9,19,20,24 | YES | NO | YES | 4.0 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
Equipment failure-Hydrocracker unit down; Pressure Swing Absorber out of service
Discharge Preventable - No
Notes/Remedial Actions
Safety valve released itself once the pressure stabilized. Lights end section was depressured to stop H2S leak, which caused many flares to burn. Light ends depressured. Stream was lined up to the tower to stop flarin
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