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Motiva Enterprises (2719), Convent

LDEQ Accident Report

Accident #144085
PDF AvailablePDF
State Police #12-069452
Accident Date2012-10-20
Report Date 2012-10-24
Follow-up Date 0000-00-00
Follow-up: No

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide50mSulfur Recovery Unit and Tail Gas Treating UnitNOYESNOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

On October 20, 2012, Motiva Convent Refinery reported a potential sulfur dioxide (SO2) release which occurred at the facility due to an upset on the Sulfur Recovery Unit (SRU) and Tail Gas Treating Unit (TGTU). The upset was caused by a trip on one of the unit's heaters causing elevated SO2 emissions.

Discharge Preventable - No Information Given

Notes/Remedial Actions

The incident was initially reported as an 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 permitted limit.