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Motiva Enterprises (1406), Norco

LDEQ Accident Report

Accident #115703
State Police #s09-1844
Accident Date2009-06-16
Report Date 2009-06-16
Follow-up Date 2009-06-23
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide51mincinerator stack in sulfur plantNOYESNOBRQ

Accident Classified As:

Cause of Problem: Instrument Failure

there was an air trip transmitter failure that caused the Sulfur-3 unit to trip online unexpectedly. Due to this online trip, a release of sulfur dioxide (SO2) into the air occurred from both the S-3 and S-2 tail gas incinerators .

Discharge Preventable - No Information Given

no information given

Notes/Remedial Actions

The sulfur gas was diverted from the S-3 unit to the S-2 unit. The transmitter was repaired by maintenance so that the S-3 unit could become fully operational. it was noted that material went offsite as the sulfur material was released into the air