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Valero (26003), Norco

Releases of Crude Oil/Oily material

LDEQ Accident Number
Accident Date
Point Source(s) Notes Amount of Release
100504

2007-10-24
Bypass valve on Oil tank
Cause: No information given.

Followup: Yes

Notes: On Oct 24, 2007, an operator found that the wastewater pond had oily material floating on the surface. The source was a partially opened bypass valve. Refinery personnel used absorbent boom to contain the oil. They also had mobilized oil spill responsepersonnel to assist in recovering and containing the oil. The oil was contained in the ponds and was not discharged off-site and/or through any outfall. The cause of the open valve is under investigaiton.
210.0 gallons
99065

2007-08-29
No information given.
Cause: No information given.

Followup: Yes

Notes: On August 29, 2007, during heavy rain at about 22:00, an operator found that the GATX pond had a layer of oily material on the surface. The source was not able to be determined. The oil in the pond has not been discharged off-site and/or through any outfall. The cause of the spill is under investigation. Refinery personnel used absorbent boom to contain the oil. Vacuum trucks were used to recover the oil from the GATX pond. About 1bbl (42 gallons) of oil was recovered from the pond. They also had lized oil spill response personnel to assist in recovering and containing the oil.
42.0 gallons
120140

2009-12-13
GATX pond
Outfall 006
Cause: 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.

Followup: No

Notes: 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.
42.0 gallons
120140

2009-12-13
GATX pond
Outfall 006
Cause: 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.

Followup: No

Notes: 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.
42.0 gallons