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Coast Guard to Study 'Cargo Sweepings'
(AP)
AP - For more than 75 years, shipping companies that haul iron ore, coal, salt and limestone have dumped their "cargo sweepings" — residual materials and wash water left on freighters after they are unloaded — into the Great Lakes to avoid contaminating future loads.Yahoo! News: Science News, Wed, 15 Mar 2006 03:07:39 +0100
AP - For more than 75 years, shipping companies that haul iron ore, coal, salt and limestone have dumped their "cargo sweepings" — residual materials and wash water left on freighters after they are unloaded — into the Great Lakes to avoid contaminating future loads.Yahoo! News: Science News, Wed, 15 Mar 2006 03:07:39 +0100