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Motiva Enterprises (2719), Convent

LDEQ Accident Report

Accident #132250
tate Police #N/A
Accident Date2011-07-06
Report Date 2011-07-11
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 Oil1 h 5 mVPS-1 Crude transfer lineNONONO84.0 gallons

Accident Classified As: Reportable Quantity

Cause of Problem: Corrosion

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.

Discharge Preventable - No

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.

Notes/Remedial Actions

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.