A new chemical analysis shows that virtually all the tar balls washing onto the Alabama coast are directly linked to the BP oil spill more than two years ago.
Auburn university researchers found that tar balls caused by the spill are hundreds to thousands of times more common than another type of asphalt-like tar deposit that's been in the gulf for years. Researchers tested tar found after Hurricane Isaac last month.
They found the material is from the BP well and that certain chemicals in the tar have barely broken down since June 2010. The work was funded by the city of Orange Beach, the National Science Foundation and others.
BP says it has not seen the study. Their spokesman says the tar balls are scattered and that bp is working to remove them.
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