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Valero (26003), Norco

LDEQ Accident Report

Accident #126017
State Police #10-3140
Accident Date2010-08-30
Report Date 2010-10-29
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 Dioxide1 h3700 Sulfur Recovery Unit, 3700 Thermal OxidizerNOYESNO1,165.9 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

Malfunction of main air blower on 3700 Sulfur Recover Unit cause elevated sulfur dioxide levels at the 3700 Thermal Oxidizer (EQT 0195).

Discharge Preventable - Yes

Accident investigation determined that incident was reasonably preventable.

Notes/Remedial Actions

Report states that 6 part remedial action was taken to prevent future incidents, including operator training, equipment repair, and additional administrative controls. Refinery letter only; letter states that this is second follow-up report, but no other letter included. No LDEQ report.