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Valero (26003), Norco

LDEQ Accident Report

Accident #120140
State Police #094080
Accident Date2009-12-13
Report Date 2009-12-18
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
Crude Oil/Oily material24 hoursOutfall 006NONONO42.0 gallons
Crude Oil/Oily material24 hoursGATX pondNONONO42.0 gallons

Accident Classified As:

Cause of Problem: Weather

Oily material from the GATX pond was discovered discharging through Outfall 006. Due to the severe rain event that was on-going and in an effort to relieve the high level in our primary equalization tank, the refinery bypassed streams qualifying for first flush process area storm-water to the GATX pond.

Discharge Preventable - Under Investigation

Additional correspondence will be submitted detailing the root cause of the incident and prevent-ability.

Notes/Remedial Actions

Upon discovery of the oily discharge, the outfall valve was closed and waters were allowed to accumulate in the pond. The incident was reported and clean up was mobilized to the GATX pond and the adjacent wetlands.