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Accident # | 132250 |
tate Police # | N/A |
Accident Date | 2011-07-06 |
Report Date | 2011-07-11 |
Follow-up Date | 0000-00-00 |
Follow-up: | No |
Pollutant | Duration | Point Source | Greenhouse Gas | Criteria Pollutant | Ozone forming chemical | Amount of Release |
Crude Oil | 1 h 5 m | VPS-1 Crude transfer line | NO | NO | NO | 84.0 gallons |
Accident Classified As: Reportable Quantity
Motiva operations discovered oil on the ground beneath a pipe rack located near Avenue C in the west section of the tank farm between tanks 20D-31 and 20D-46. The source was determined to be a leaking 10 inch VPS-1 Crude transfer line. The spilled material remained within the boundary of the rank die area, therefore there were no offsite impacts as a result of the incident.
The external area of the piping around the failure was in good condition with no notable corrosion present. The incident appears to be the result of internal corrosion of the transfer line. Therefore, the release is not considered to have been preventable.
A Motiva operator isolated the leaking section of the pipe. The spilled material remained within the boundary of the tank dike area. The free liquid was routed from the tank dike to the dirty oil sewer where it is directed to API. An on-site contractor that specializes in spill clean-up responded and the recovered contaminated soil was placed in roll-off boxes for proper disposal. The remediation process was completed with the addition of Nitrogen-enriched Micro Sorb to the ground to further promote biodegradation of any low level residual hydrocarbons. The leaking section of the line remains out of service and will be permanently removed. The remaining portion of the crude transfer line will be inspected by the pressure integrity department to identify any other areas of concern. Oil cleaned up through a vacuum truck and absorbent pads.
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