Source: Sharyl Attkisson / CBS News
CBS News has learned that BP is set to embark Thursday on the fifth day of a little-known subsea mission under Coast Guard supervision to look for any new oil leaking from the Deepwater Horizon disaster.
The BP oil rig exploded in 2010, killing 11 workers and sending more than 7 million gallons of oil gushing into the Gulf of Mexico for three months before it was capped.
In September, a new oil sheen was spotted about 50 miles off the Louisiana coast. Tests confirmed the oil came from the infamous Macondo well underneath the Deepwater Horizon. BP’s underwater vehicle observed oil seeping from the well’s containment dome and, after a remote operation, declared the leaks plugged on October 23. The company and the Coast Guard said it wasn’t feasible to clean up the slick, and that it didn’t pose a risk to the shoreline.
But more oil continues to surface. Slicks and sheens of varying sizes and shapes have been documented by satellite photos, as well as aerial video recorded by the non-profit environmental group “On Wings of Care.” It’s suspected that an unknown amount of oil trapped in the containment dome, and in the wreckage and equipment from 2010, could be seeping out.
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