The original Deepwater Horizon fire (Pic by Deepwater Horizon Response, via Flickr) According to a plan approved by the Coast Guard and obtained by the Associated Press, BP will no longer be responsible for the cleanup of any oil washing up on Gulf of Mexico shores, unless officials can prove it came from the BP well that blew out in 2010, killing 11 workers and sending more than 20 million gallons of oil into the gulf. Via the AP : About 90 percent of the Gulf coast has been deemed clean, according to officials. The plan spells out protocol for when an area still needs to be cleaned and when BP’s responsibility for that ends.