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Motiva Enterprises (2719), Convent
LDEQ Accident Report
| Accident # | 146649 |
| State Police # | 13-00666 |
| Accident Date | 2013-02-13 |
| Report Date | 2013-02-15 |
| Follow-up Date | 2013-02-19 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | 49m | FCCU WGS | NO | YES | NO | BRQ |
| Hydrogen Sulfide | 49m | FCCU WGS | NO | NO | NO | BRQ |
| Carbon Monoxide | 49m | FCCU WGS | NO | YES | NO | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Seal or Gasket
Due to a rupture on a seal SO2 was released to air. The incident began at Motiva's Convent Refinery on February 13, 2013 at approximately 23:00, when the FCCU's Electric Quench Turbine experienced a trip. The FCCU experienced an upset which resulted in increased carbon monoxide emissions from the Fluidized Catalytic Cracking Unit Wet Gas Scrubber Stack (FCCU WGS.) The excess emissions ceased when the FCCU stabilized.
Discharge Preventable - No Information Given
Notes/Remedial Actions
Pressure controller that opened and caused flaring closed at 00:25...Flaring continues, stable... No high H2S releasing to flare at this time... The incident was initially reported as a potential exceedance of the 500-lb Reportable Quantity (RQ) for sulfur dioxide (SO2). However, after further calculation, the total SO2 emissions from this incident were not above the RQ.
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