The evaluation of mercury contamination of sediments of the river basin Slaná and the water reservoir of Ružín I

The region central Spiš is mostly contaminated by heavy metals, mainly mercury. This teritory is well-known for its mining and metallurgical activities for several centuries. This article deals with the sediments quality from the two localities of the central Spiš region (the river basin Slaná and the water reservoir of Ružín I) in connection with the mercury contamination in the last period. The monitoring of the sediments quality as well as the water quality is important for thier further use.