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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 130903 |
| State Police # | 11-02457 |
| Accident Date | 2011-04-28 |
| Report Date | 2011-05-05 |
| 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 |
| Butane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Carbon Dioxide | 5m | Flare: EPN 3-84 | YES | NO | NO | BRQ |
| Ethane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Ethylene | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Hydrogen | 5m | Flare: EPN 3-84 | NO | NO | NO | BRQ |
| Hydrogen Sulfide | 5m | Flare: EPN 3-84 | NO | NO | NO | BRQ |
| Isobutane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Isopentane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Methane | 5m | Flare: EPN 3-84 | YES | NO | YES | BRQ |
| Nitrogen | 5m | Flare: EPN 3-84 | NO | NO | NO | BRQ |
| Pentane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Propane | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Propylene | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
| Volatile Organic Compounds (VOCs) | 5m | Flare: EPN 3-84 | NO | NO | YES | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Process Upset
A leak occurred at HIC-84, along the downstream block valves, allowing nitrogen to enter the column causing a rapid pressure increase. The distilling unit upper crude column became overpressured, and PCV-195 opened the flare to relieve pressure in the column. EPN 3-84 Flare at Shell was used because the Motiva flare was upset and the pilot light was out. Original upset occurred at Motiva DU-5 Crude Unit with a notrogen leak into the Upper Crude Column.
Discharge Preventable - No Information Given
No Information given
Notes/Remedial Actions
The Shell report for the motiva release was dated May 5th, 2010 instead of 2011.
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