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Motiva Enterprises (2719), Convent

LDEQ Accident Report

Accident #145421
PDF AvailablePDF
State Police #12-07910
Accident Date2012-12-17
Report Date 2012-12-20
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 Dioxide22mSulfur Recovery Unit No. 3 (SRU-3) incinerator stackNOYESNOBRQ

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Maintenance/Procedures

On December 17, 2012, Motiva Entersprises, LLC Convent Refinery (Motiva) reported a potential sulfur dioxide (SO2) release which occurred at the facility due to a regulator malfunction while shutting down Sulfur Recovery Unit No. 3 (SRU-3) for maintenance. The malfunction caused the downstream Tail Gas Treatment Unit No. 3 (TGTU-3) to be bypassed resulting in SO2 emissions from the incinerator stack. The material released to the air did go offsite according to the facility's verbal report.

Discharge Preventable - No Information Given

Notes/Remedial Actions

The incident was initially reported as a potential exceedance of the 500-lb Reportable Quantity (RQ) for sulfur dioxide (SO2). However, after further calculation, the total sulfur dioxide emissions from this incident were not above the reportable quantity.