GRAND ISLE, La. Ð Kenneth Lee Ph.D., a research scientist and executive director of Fisheries and Oceans Canada, takes a water and sediment sample, Aug. 23, 2010, while demonstrating an oil spill cleanup technique known as surf washing. The technique is being tested to confirm that natural surf and tides may offer an environmentally sound solution to restoring beaches affected by the Deepwater Horizon incident. U.S. Coast Guard photo by Petty Officer 3rd Class Erik Swanson.

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