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|LDEQ Accident Number
|Point Source(s)||Notes||Amount of Release|
|Tank A-410 (EPN 1021-95)||Cause: DU5 was starting up and the HGO routing to A-410 was changed from off-spec to the HGO treaters. During this time the bypass valve was left in the open position causing heavy gas oil to overflow from tank A-410 into the tank dike area.|
Notes: Remedial actions: Operator immediately closed bypass to LCV-100. Flow to A-410 was stopped and level pumped down. Liquid in tank dike was removed via vacuum truck. Soil excavation was conducted. To prevent recurrence, Motiva plans to develop plans to improve level control scheme and alarm management. They also plan to install a concrete liner inside the tank's secondary containment dike. PDF includes soil analytical data for soil samples tested for extractable petroleum hydrocarbons (EPH).