Alyeska Marine Terminal, Ballest Water Treatment Facility. Crude oil mixed with diesel and water. Suspected cause was an over pressured hose. The entire discharge was inside the 90's tanks containment. Alyeska workers used hot water deluge to flush the oil water mixture into the BWT oily water sewer system sump, at the base of tank 92.
Contamination appears to be limited to surface soils.
Monitor the cleanup of impacted soils, and the assessment of the spill site.