September 20, 2010
On a morning stroll down the serene beaches of Grand Isle State Park, a visitor can watch as waves quietly lap the shore, birds sail overhead, a porpoise pokes above the water.
Yet it takes only minutes of digging into the sand to reveal a menace that experts say permanently threatens this picturesque landscape: pools of crude oil lurking less than a foot below the surface.
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Ron Kendall, director of The Institute of Environmental and Human Health at Texas Tech University in Lubbock and a member of the assessment team for the Exxon Valdez spill in 1989, says it will take "extensive environmental sampling" over a period of years to determine how much oil is embedded into coastal habitats, and where.