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Motiva Enterprises (2719), Convent

LDEQ Accident Report

Accident #113955
State Police #09-1031
Accident Date2009-04-04
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 DioxideunclearSRU-4 thermal reactor; TGTU-3NOYESNO7,000.0 pounds
Hydrogen SulfideunclearSRU-4 thermal reactor; TGTU-3NONONO147.0 pounds
AmmoniaunclearSRU-4 thermal reactor; TGTU-3NONONO2.0 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.