Oil on beaches is not from ship
Laboratory tests show that oil washing up on Northern California beaches did not come from the cargo ship that slammed into the Bay Bridge last fall.
Investigators say tar balls found this week from Pacifica to Monterey probably came from naturally occurring pools of oil beneath the sea floor.
California Department of Fish and Game Lt. Brian Arnold said heavy storms were typically responsible for washing oil ashore during the winter.
The Cosco Busan leaked 58,000 gallons of toxic bunker fuel into San Francisco Bay after hitting a bridge support in November.
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