FILE - In this May 5, 2010 file photo, shrimp boats are used to collect oil with booms in the waters of Chandeleur Sound, La. Retired Coast Guard Adm. Thad Allen, the federal government's point man on... more 
FILE - In this May 5, 2010 file photo, shrimp boats are used to collect oil with booms in the waters of Chandeleur Sound, La. Retired Coast Guard Adm. Thad Allen, the federal government's point man on the disaster, said Sunday, Sept. 19, 2010, BP's well "is effectively dead." A permanent cement plug sealed BP's well nearly 2.5 miles below the sea floor in the Gulf of Mexico, five agonizing months after an explosion sank a drilling rig and led to the worst offshore oil spill in U.S. history. less 
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Associated Press | Photo By Eric Gay, File
Mon, Sep 20, 2010 2:42 AM EDT