Abstract

In part I of this series the area of investigation and the determination methods for the investigated analytes were introduced. In this second part the results of a routine PAH determination in Ruhr surface water and ground water covering a two-years period at two-weekly intervals are presented. It could be established that the highest PAH concentrations in surface water occurred at an increased Ruhr water outlet. The hydrochemically dependent concentrations of suspended matter in the surface water are defined as the responsible determinants for the measured PAH concentrations. Decreasing concentrations were observed in particular for the higher molecular PAHs in the investigation of three different underground flow sections (transects)

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