An official with Plains All American Pipeline told The Associated Press on Wednesday that the costs are running at $3 million a day, and there's no timetable for when the cleanup will be complete.
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The company revised the cost after initially pegging it at $69 million.
About 76 percent of 97 miles of coastline - mostly sandy beaches - have been cleared of oil.
The May 19 spill occurred after an onshore pipeline operated by Texas-based Plains All American ruptured, leaking up to 101,000 gallons of crude.
About 21,000 gallons entered a storm drain and washed out to the Pacific Ocean off Santa Barbara County.
A Plains spokeswoman says daily costs are expected to drop as the cleanup progresses.
This story has been corrected to show the total cost so far is $62 million, not $69 million, per Plains All American Pipeline.
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