Additional files [RJEE Vol. 5 (1). 2020 – 5]

• Fig. 1. Scheme of selecting soil samples, laying of mines.
• Fig. 2. Adsorption isotherms of Cd, Cu, Zn, Pb in the coordinates of the linear Dubinin – Radushkevich equation
• Fig. 3. Sorption isotherms of Zn, Cd, Pb, Cu in the impact zone in the area of the plant