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Valero (26003), Norco
Releases of Vacuum Gas Oil
| LDEQ Accident Number Accident Date |
Point Source(s) | Notes | Amount of Release |
| 111000 2008-11-22 | VGO Line | Cause: A VGO line leaked Followup: No Notes: Oil booms and vacuum trucks and a small plastic pool used to contain and recover material. | 210.0 gallons |
| 109833 2008-10-04 | Tank - T-130-9 | Cause: tank leaking VGO through floor Followup: No Notes: Emergency team mobilized to pump VGO to another tank. Emergency respose company contracted to recover non-pumpable VGO and perform soil remediation. Valero will begin to use acoustical testing on all of its tanks. | 2,100,000.0 gallons |
| 103514 2008-02-28 | Fill line from #1 manifold to T-130-7 | Cause: Fill line from #1 manifold to T-130-7 appeared to be leaking VGO Followup: No Notes: Absorbent boom and vacuum trucks used to contain and recover material. VGO line was excavated and removed. | 42.0 gallons |
| 116006 2009-06-25 | MSCCU charge line | Cause: Oily material was discovered in the section 3 Tank Field concrete ditch. It was determined that the MSCCU charge line, which runs parallel to the concrete ditch, had a piping leak and was releasing VGO to the ground. During the incident, the spilled VGO migrated to a low point in the concrete ditch. The material drained into a void in the concrete, pooled, and began resurfacing in a nearby crack. Initial report gives the root cause as being still under investigation. The follow-up report determines the release as being Below reportable quantity and give no further information. Followup: Yes Notes: Clean up was mobilized, pipe was repaired, and soil was tested where VGO drained into a void in the cement. | 42.0 gallons |
| 113365 2009-03-13 | VGO: Tank 425-4 | Cause: VGO from Tank 425-4 leaked to secondary containment through a ruptured steam coil. Followup: No Notes: The steam coil line that ruptured was cleaned and taken out of service for demolition. | 84.0 gallons |
| 112592 2009-02-08 | Cause: A Vacuum Gas Oil (VGO) pipe was being placed into service, material escaped from a high point bleeder and caught fire from a nearby ignition source. The fire was quickly extinguished by field personnel and the line was isolated. The incident took place in the Distillate Hydro Treating unit (DHT), which underwent an emergency shutdown. Some VGO material that did not burn fell to the ground inside and outside of the DHT area containment. Deluge water used to control the fire had dispersed some VGO material in the areas around the unit, however, no VGO was carried offsite. Oil absorbent boom was placed in order to prevent VGO from being carried offsite or into our outfalls. Followup: No Notes: Valero personnel took measures to stop the leak adn contain spilled VGO. The cleanup contractor mobilized crew to collect and dispose of material. | 336.0 gallons | |
| 134988 2011-11-01 | Tank 130-8 | Cause: On 11/1/11 Valero discovered that the suction line to tank 130-8 had developed a leak and had spilled approximately 20 bbls of vacuum gas oil (VGO) to the tank containment dike. A vacuum truck was used to recover pooled fluids, and the damaged section of line was repaired. Tank 130-8 Followup: Yes Notes: Valero contained the spilled VGO within the tank dike and collected it with vacuum trucks. They verified that the dike drain valves were closed and immediately shutdown the transfer at the tank. They mobilized the onsite vacuum trucks to remove emulsified oil and water from he dike containment area of tank 130-8. A third party OSRO was mobilized to assist in the final cleanup. Also, approximately 86 tons of recovered waste was characterized and disposed of at a non-hazardous landfill. All VGO that was pumpable was collected and returned to the refining process. They developed the corrective following actions to prevent recurrence: (1) Inspect all tanks and piping in the tank farms to confirm no additional expansion joints of this type are in service. (2) Establish an inspection schedule for all hose and expansion joints in the tank farm, Batture, and loading locks. (3) Establish a schedule to replace hoses with engineered metallic expansion joints in the tank farms, batture, and docks. | 840.0 gallons |
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