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MONITORING HEAVY METALS IN BOTTOM SEDIMENTS ON EAST OF SLOVAKIA AND THEIR COMPARISON WITH CURRENT LEGISLATION
Abstract
Sediments are usually regarded as the ultimate sink for heavy metals discharged into environment, and can be sensitive indicators for monitoring contaminants in aquatic environments. Therefore, the environmental problem of sediment pollution by heavy metals has received increasing attention in the last few decades in both developing and developed countries through the world. Environmental risk assessments, including sediment monitoring, are typical tools for supporting decision making in the regulatory context, and cover all kinds of spatial situations, from local to world-wide assessments, under very different regulatory contexts. This contribution provides an overview of the sediment management legislative. River sediment quality in the territory of East of Slovakia, representing the water basins of the rivers Hornad, Laborec, Poprad, Torysa, Ondava and Topla was investigated. Sampling points were selected based on the current surface water quality monitoring network. This study presents the results of pollutants concentration in sediments from the rivers on Eastern Slovakia and their comparison with worldwide legislation.
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