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Valero (26003), Norco

LDEQ Accident Report

Accident #82120
State Police #05-06332
Accident Date2005-09-12
Report Date 2005-09-19
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 Dioxide5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81NOYESNO3,641.0 pounds
Carbon Monoxide5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81NOYESNO188.0 pounds
Nitrous Oxide5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81YESYESYES24.0 pounds
Particulate Matter5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81NOYESNO1.0 pounds
Volatile Organic Compounds (VOCs)5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81NONOYES40.0 pounds
Hydrogen Sulfide5 h 30 mFlare 1 EIQ 15-77; Flare 2 EIQ 12-81NONONO19,400.0 pounds

Accident Classified As:

Cause of Problem: Other

Loss of power, control valves failed. Power interruption caused by 3rd party electricity provider. Battery back up system damaged when it received a power surge during restart of refinery after Hurricane Katrina.

Discharge Preventable -

Notes/Remedial Actions

reduced feed rates to our West Plant