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Motiva Enterprises (2719), Convent
LDEQ Accident Report
| Accident # | 113955 |
| State Police # | 09-1031 |
| Accident Date | 2009-04-04 |
| Report Date | 2009-07-01 |
| Follow-up Date | 2009-04-09 |
| Follow-up: | Yes |
Pollutants Released
| Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
| Sulfur Dioxide | unclear | SRU-4 thermal reactor; TGTU-3 | NO | YES | NO | 7,000.0 pounds |
| Hydrogen Sulfide | unclear | SRU-4 thermal reactor; TGTU-3 | NO | NO | NO | 147.0 pounds |
| Ammonia | unclear | SRU-4 thermal reactor; TGTU-3 | NO | NO | NO | 2.0 pounds |
Accident Classified As:
Cause of Problem: Equipment Failure
Level 2 fire at Sulfur Recovery Unit (SRU)no. 4's thermal reactor due to failure of the SRU-4 thermal reactor vessel. Tail Gas Treating Unit (TGTU) No. 3 upset during firefighting efforts causing additional emissions. Fenceline monitoring indicated no offsite impacts. Exceeded RQs.
Discharge Preventable - Under Investigation
additional follow-up report to be submitted after internal investigation
Notes/Remedial Actions
In-house fire dept and ERT worked to extinguish fire, reduced operating rates on units producing acid gas or rich amine and to distribute the acid gas flow to other operation SRU/TGTUs during firefight to safely shut down SRU/TGTU-4.
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