QUANTIFYING THE DYNAMICS OF PESTICIDES IN NATURAL-WATERS

A variety of trace analytical methods (solid-phase and liquid-liquid e xtraction, HPLC and GC-MS) for quantitatively assessing the input and behavior of pesticides and their metabolites (i.e., triazines, acetami des, phenoxy acids and organotin compounds) in natural waters and sedi ments are presented. The results of field studies illustrate the analy tical methods performance such as simultaneous determination of compou nds with different polarities, low detection limits, and high precisio n and accuracy.