Water Quality in the Western Lake Michigan Drainages, Wisconsin and Michigan, 1992-95

Urban Areas are a Source of Trace Elements and Organic Compounds Figures

Concentrations of PCBs are 10 times higher in streambed sediments and biotic tissues at urban Integrator sites (Scudder and others, 1997) than in smaller urban, agricultural or forested land use areas. RHU labels correspond to the RHU figure on p. 6, "I" represents large-river (Integrator) sites.

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