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Purpose. This paper aims to reflect the extent of the impact of the Artana mine on heavy metal pollution of the waters of the Marec river. Mineralogical pollution of this river resulted in almost total degradation of biota.Methods. To be as realistic as possible in assessing the water quality of the Marec river and of a single spring located in the research area and used for drinking, we have applied the standard methods ISO 5667-6 for surface water and ISO 5667-11 for groundwater. The sampling and the quantity of the samples, as well as their transportation, was done in full compliance with the ISO 5667-1.3 method. Whereas, the conservation of samples taken for the determination of heavy metals is done according to the APHA conservation procedure. For the extraction (mineralization) of heavy metals in the samples taken, the EPA-3015A method was applied, while for the determination of the concentration of heavy metals the SAA (Atomic Absorption Spectrophotometry) measurement technique was applied.Findings. As a result of the industrial activity of the Artana mine, it has been ascertained that the main causes of the pollution of the Marec river waters and the habitat around it is the mineral exploitation activity in this industrial complex. Analysis of water samples discharged from the mine, flotation and drainage of landfills reflect the real state of heavy metals concentration in the Marec river.Originality. In order for the results to realistically reflect the degree of heavy metals concentration in the waters of this river, we have implemented existing and advanced analytical techniques.Practical implications. The water samples from the Marec river were taken and analyzed in January and July 2020. The analysis performed showed significant exceedance of heavy metals concentration in all sampling sites located in the studied industrial area.

Impact of Artana mine on heavy metal pollution of the Marec river in Kosovo