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Valero (26003), Norco

Releases of Crude Oil

LDEQ Accident Number
Accident Date		 Point Source(s) Notes Amount of Release
97861

2007-07-16		No information given.
Cause: No information given.

Followup: Yes

Notes: Refinery personnel used absorbent boom to contain the oil. Vacuum trucks were immediately deployed to recover the oil from the pond and/or wastewater treatment unit. They also had mobilized oil spill response personnel to assist in recovering and containing the oil. Approximately 10 bbls, or 420 gallons, of oil have been recovered from the wastewater pond via vacuum truck. This oil is a mixture of crude oil and refined petroleum products. / During rounds in the wastewater treatment ponds vicinity, as discovered that pond #1 had a visible layer of oily material floating on the surface. The operator was unable to determine the exact source but immediately notified supervision and reported the incident. The oil was inadvertently carried over from		No information given
109671

2008-09-29		Wastewater Treatment Unit
Cause: WWTU experienced an upset and oil was carried through the unit into the treatment pond system

Followup: No

Notes: Absorbent boom used to contain oil.		420.0 gallons
104105

2008-03-22		Tank T-150-18
Cause: leak in tank farm of unknown origin

Followup: No

Notes: vacuum trucks deployed to remove material. Remaining crude oil in tank transferred to another tank. Water used to separate oil from leak point.		714.0 gallons
103676

2008-03-06		Wastewater Treatment Unit
Cause: a wastewater secondary clarifier bottoms tank overflowed.

Followup: No

Notes: vacuum trucks deployed to remove material. Personnel aided in clean up, removed surface sediments for disposal.		42.0 gallons
148648

2013-05-13		storm water sump pump
Cause: On May 13, 2013 at approximately 1030 hrs, 1 barrel of crude oil was discovered. After further investigation, it was discovered that within our dike area of our storm water sump pump, a total of 50 gallons was spilled over a 48 hour period.

Followup: No

Notes: Oil was recovered from earthen sump using absorbent materials and a vacuum truck. Impacted soil excavated from impacted area for disposal. Some reports state 1 barrel, or 42 gallons, spilled and others state 50 gallons have been released. Notification considered a courtesy, although the RQ for crude oil is 1 barrel.		50.0 gallons