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Valero (26003), Norco

LDEQ Accident Report

Accident #78487 ; 78475 ; 78488
State Police #05-02653;02662;02668
Accident Date2005-04-23
Report Date 2005-04-29
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 Dioxide24 h 0 mFlare 1 EIQ 15-77NOYESNO4,292.0 pounds
Carbon Monoxide24 h 0 mFlare 1 EIQ 15-77NOYESNO588.0 pounds
Nitrous Oxide24 h 0 mFlare 1 EIQ 15-77YESYESYES108.0 pounds
Particulate Matter24 h 0 mFlare 1 EIQ 15-77NOYESNO3.0 pounds
Volatile Organic Compounds (VOCs)24 h 0 mFlare 1 EIQ 15-77NONOYES223.0 pounds

Accident Classified As:

Cause of Problem: Equipment Failure

MSCCU wet gas compressors tripped due to problems with common lube oil system.

Discharge Preventable -

Notes/Remedial Actions

Reduced feed rate to MSCCU. Issue involves wet gas compressor as seen before. Follow up report sent on June 6, 2005 with remedies: redesign of the nitrogen regulator and replacement of the pressure controller on the lube oil system