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Motiva Enterprises (1406), Norco
LDEQ Accident Report
| Accident # | 135470 |
| State Police # | 11-07315 |
| Accident Date | 2011-11-22 |
| Report Date | 2011-11-29 |
| Follow-up Date | 2011-12-21 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sour Water | 21 h 5 m | DEA overhead stripper column flange at sulfur plant S-3 | NO | NO | NO | BRQ |
| Hydrogen Sulfide | 21 h 5 m | DEA overhead stripper column flange at sulfur plant S-3 | NO | NO | NO | BRQ |
Accident Classified As: Below Reportable Quantity (BRQ)
Cause of Problem: Seal or Gasket
On 11/22/11 at 3:30 pm, maintenance personnel were in the process of replacing carbon steel bolts with stainless steel on E-6402. After changing seven of the eight bolts on the flange, a leak developed from the flange. The material released was sour water containing sulfur dioxide, and appeared to be coming from a failed gasket. Leak was on the inlet fans of the DEA stripper at sulfur plant S-3
Discharge Preventable - No Information Given
No Information Given.
Notes/Remedial Actions
The maintenance personnel immediately stopped work due to the safety hazard presented by the leak . A plan was developed to safely complete the repair, which was carried out the following day on 11/23/11. Final calculations confirm that no reportable quantities were exceeded during this event.
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