Weather.com - Cain Burdeau, 10/12/12
The Associated Press
Oil sheen still plagues Gulf two and a half years later.
NEW ORLEANS — Federal scientists and BP say oil appears to have leaked last month from the drilling wreckage lying at the bottom of the Gulf of Mexico near where a BP well blew out in 2010, causing the nation's worst offshore spill.
(MORE: BP to Clean Up Buried Oil Exposed by Isaac)
A probe started after a sheen was discovered Sept. 16 in the waters near the site indicates the oil may have seeped from a mile-long metal tube, called the riser, which connected the Deepwater Horizon drilling rig to the Macondo well.
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