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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 107061 |
| State Police # | 08-04071 |
| Accident Date | 2008-07-09 |
| Report Date | 2008-07-14 |
| Follow-up Date | 2008-08-04 |
| Follow-up: | No |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Hydrogen Sulfide | 0 h 2 m | Hydrocracker Unit Rectifier Absorber Column (PV-822) | NO | NO | NO | 0.8 pounds |
| Flammable Gas | 0 h 2 m | Hydrocracker Unit Rectifier Absorber Column (PV-822) | NO | NO | YES | 63.0 pounds |
| Volatile Organic Compounds (VOCs) | 0 h 2 m | Hydrocracker Unit Rectifier Absorber Column (PV-822) | NO | NO | YES | 24.7 pounds |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Equipment Failure
A pressure swing at the HCU caused relief valve on the HCU Rectifier Absorber column (PV-822) to open to atmosphere. HCU was in process of being started post-turnaround.
Discharge Preventable - Yes
Notes/Remedial Actions
Motiva has modified a low level alarm on the HCU High Pressure Separator to mitigate the pressure swings on the Rectifier Absorber Column.
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