[Determining the levels of selected pesticides, nitrates, nitrites, ammonium ions, sulfates, chlorides and urea in surface and underground waters. VII]. / Oznaczanie wybranych pestycydów, azotanów, azotynów, jonów amonowych, siarczanów, chlorków i mocznika w wodach powierzchniowych i podziemnych. Cz. VII.

The subjects of the study was determination of the residues of pesticides: lindane, metoxychlor and chlorphenvinphos, nitrates, nitrites, ammonium ions, sulphates, chlorides and urea in surface waters and underground waters in the southeastern part of the Province of Szczecin in 1983-1988. The certain pesticides and urea in none of determined samples of waters were present. The concentrations of nitrates, ammonium and chlorides below the permitted value have been. Nitrites in surface waters and in underground waters in 48 per cent and 82 percent of the samples have been respectively.