Mercury Contamination of Surface and Ground Waters of Poznań, Poland
A. Kowalski1, M. Siepak2, L. Boszke3
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1Department of Soil and Water Analysis, Faculty of Chemistry, Adam Mickiewicz University, Drzymaly 24, 60-613 Poznan, Poland
2Department of Hydrogeology and Water Protection, Faculty of Geology, Adam Mickiewicz University, Makow Polnych 16, 61-686 Poznan, Poland
3Department of Environmental Protection, Collegium Polonicum, Adam Mickiewicz University, Kosciuszki 1, 69-100 Slubice, Poland
Pol. J. Environ. Stud. 2007;16(1):67–74
Poznan is a city in west-central Poland with over 500,000 inhabitants. Located by the Warta River, it is one of the oldest cities and the fourth largest industrial centers in Poland. The aim of this study was to determine the distribution of mercury in surface and ground waters in Poznań. Total mercury concentrations have been determined in surface waters (ponds, lakes, streams and rivers) and ground water collected in 2003 and 2004. Mercury was determined using the cold vapor atomic fluorescence spectrometry method (CV-AFS). The results of the study have shown that mercury distribution in the samples of surface and ground water collected from various sites in Poznań are relatively uniform. Total mercury concentration was 20 ± 8 ng/L (range 8 – 40) in the surface water and 1.3 ± 0.7 ng/L (range 0.8 – 4.1) in ground water.