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Valero (26003), Norco

LDEQ Accident Report

Accident #85294
State Police #06-00421
Accident Date2006-01-20
Report Date 2006-01-27
Follow-up Date 0000-00-00
Follow-up: Yes

Pollutants Released

Pollutant Duration Point Source Greenhouse Gas Criteria Pollutant Ozone forming chemical Amount of Release
Sulfur Dioxide1 h 52 mUninterrupted power supply systemNOYESNO4,600.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

UPS system failed causing the power at the DCS consoles to be lost. Resulted in flaring of gases at Flares 1 and 2.

Discharge Preventable -

Notes/Remedial Actions

Emissions were minimized by reestablishing power to the West Plant DCS consolves and reestablishing normal operation as soon as possible.