Scale	1:100 000
Sampling density	1x1 km
Area	1190 km²
Leaching	hydrochloric acid, 1:4
Analytical methods	ICP-AES, AAS-GF, AAS-CV, potentiometry, coulometry
Maps of pH and elements content soil (979 samples)	Ag, Al, As, Ba, Be, Corg, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Ni, P, Pb, S, Sr, Ti, V, Zn, pH
Maps of elements content of aqueous sediments (585 samples )	Ag, Al, As, Ba, Be, Ca, Cd, Co, Cr, Cu, Fe, Hg, Mg, Mn, Ni, P, Pb, S, Sr, Ti, V, Zn
Maps of elements content of surface water (464 samples)	Al, As, B, Ba, Ca, Cd, Cr, Fe, K, Li, Mg, Mn, Na, Ni, P, Pb, SiO₂, SO₄, Sr, Zn
Additional maps	geological, land development, land use, soil type

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