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Surface water samples were collected in southern Lake Michigan off Chicago, IL to determine if elevated levels of urban atmospheric pollutants influence concentrations of organic contaminants in nearshore surface waters. Water was sampled every 12 hours for 2 to 12 days during May 1994, July 1994, and January 1995 sampling intensives. Total (dissolved+particulate; sum of 85 congeners) polychlorinated...
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