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Abstract

The presence of pesticides in natural waters of such countries as: USA, Canada, Russia, Germany, France, Swizcrland and also in the Bailie Sea and North Sea has been proved many times. The following compounds are detected most often and in largest quantities: lindan, DDT, which has not been used for many years now, Simazine, Atrazine, Chlorfenvinphos and Fenitrothion. The presence of pesticides in superficial waters in the Żuławy Wiślane region has been described many limes by Żelechowska and Makowski. Additionally, my own reserch confirmed the presence of phenoxyacetic acid herbicides in superficial waters in the northern-eastern region - in the Supraśl, Białka, Narew and Biebrza rivers. This paper presents the results of the determination of concentrations of phenoxyacetic herbicides and other pollutants in the Supraśl river. The samples were collected over a period of one year, from April 2000 to March 2001.
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Katarzyna Ignatowicz-Owsieniuk
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Abstract

The paper presents the results on the studies on determination of concentrations or four phenoxyacetic herbicides, four triazine herbicides. seven insecticides and other pollutants in the Supraśl catchment. The samples were collected over a period or two years. from May 2003 to April 2005. This work will be a precious source or information about the occurrence of agropollutants in the surface water. The residues of herbicides active ingredients were determined using chromatography methods - GC with ECD and NP detection. The maximum residues or herbicide in surface water were detected in spring and autumn - up to 120 ug/dm: for phenoxyacetic acid (2,4-D, MCPA, MCPP). The most important fact noted during the research is that in surface water used for drinking significant amounts of crop protection substances were detected, which, in the light of the new law concerning the quality of drinking water. must undoubtedly be removed in the treatment processes.
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Authors and Affiliations

Katarzyna Ignatowicz

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