Scale	1:250 000
Sampling density	1x1 km
Area	2200 km²
Leaching	aqua regia
Analytical methods	ICP-AES, AAS, AAS-CV, potentiometry, HPLC
Maps of pH and elements content soil (2491 samples)	Ag, Al, As, Ba, Be, 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 (2090 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 (1805 samples)	Al, As, B, Ba, Br, Ca, Cd, Cl, Co, Cr, Cu, F, Fe, HCO₃, K, Li, Mg, Mn, Na, Ni, NO₂, NO₃, P, SiO₂, SO₄, Sr, Ti, Zn, pH, przewodność elektryczna
Additional maps	geological, land development, land use, grain size of soils, sampling sites of aqueous sediments and surface waters

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