Scale	1:100 000
Sampling density	1x1 km
Area	1249 km²
Leaching	hydrochloric acid, 1:4
Analytical methods	ICP-AES, ICP-AES USN, AAS, AAS-CV, potentiometry, coulometry
Maps of pH and elements content soil (1127 samples)	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 (663 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 pH, EC and elements content of surface water (331 samples)	Al, As, B, Ba, Ca, Cd, Co, Cr, Cu, Fe, K, Li, Mg, Mn, Na, Ni, P, Pb, SiO₂, SO₄, Sr, Ti, V, Zn, ph, EC
Additional maps	grain size of soils, geological, land development, land use

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