FIELD: decontamination of soil polluted by cesium radionuclides using isotope exchange method. SUBSTANCE: method involves removal of contaminated soil layer, separation of finely dispersed fraction of soil, and treatment of separated fraction with solution containing stable cesium isotope in the amount of 1•10-5-1•10-1 mol/l, its pH value being 4-8. EFFECT: improved decontamination process efficiency, high degree of cesium radionuclide extraction from soil at minimal volume of wastes formed in the process. 4 tbl
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