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Valero (26003), Norco

LDEQ Accident Report

Accident #148993
State Police #13-02460
Accident Date2013-06-04
Report Date 2013-06-11
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 Dioxidedebutanizer column ventNOYESNO290.0 pounds
Propylenedebutanizer column ventNONOYES83.0 pounds

Accident Classified As: Below Reportable Quantity (BRQ)

Cause of Problem: Process Upset

On June 4, 2013 at approximately 0930 hrs, the loss of heat medium in the debutanizer column caused controlled venting of sulfur dioxide and propylene.

Discharge Preventable - No Information Given

Notes/Remedial Actions

A notification was made that a reportable quantity for sulfur dioxide and propylene was exceeded. After further review, it was determined that no reportable quantity has been exceeded resulting from this incident. Emissions associated with this malfunction will be captured in the Title V semiannual deviation report.