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Unformatted text preview: efforts. The "surface residue balls" -- yet another term in an ever-expanding oil-spill lexicon that includes tarballs and oil mousse -- are about 90 percent sand and sediments. Crews are experimenting with different types of sonar and radar to locate the mats resting on the sea floor. The oil and sand mats are typically about 300 square feet and have been found from Louisiana to Florida. There is absolutely some damage to the wetlands, but were seeing good regrowth. "If the root system stays healthy, the grass seems to grow back very well." Sand-sifters, or "sand Zambonies" as crews call them, are being used to skim the top of sand and sift out any tarballs. Believe sandy beaches rocky will sustain the most damage due to these tar balls and the difficulty of cleaning oil from the rocky surface areas. Reference: A year after BP oil spill, cleanup continues, By Paul Rioux, The Times-Picayune The Times-Picayune...
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- Spring '11