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"Large-scale use of chemicals to disperse the massive Gulf of Mexico oil slick creates pollution trade-offs, a University of Maryland expert says."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.upi.com/Science_News/2010/05/12/Expert-Dispersants-dont-solve-problem/UPI-71851273695516/?rel=88301273754749>