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Dolly Vardon Platform; Cook Inlet, Alaska

Cook Inlet, Alaska | 1992-Nov-23

Initial Notification: At approximately 1530, on November 23, 1992, the waste liquids tank on the Marathon Dolly Vardon platform overflowed allowing oil to drain into Cook Inlet. A slick of approximately 40 gallons of waste crude and hydraulic fluid, about 200 yards wide by 3/4 of a mile long extended away from the platform. Marathon immediately dispatched a helicopter to track the slick until dark. After dark a Cook Inlet Spill Prevention and Response Inc. (CISPRI) spill response vessel tried unsuccessfully to locate the slick. A helicopter overflight the next morning found no trace of the oil. USCG district 17. Keyword: none.

Incident Details
Products of concern:crude and hydraulic oil
Total amount at risk of spill: 40 gallons
Latitude (approximate): 60° 45.00′ North
Longitude (approximate): 151° 40.02′ West