Environmental contamination due to radionuclide releases is a common phenomenon in uranium mining and milling areas.Disposal of uranium ore processing materials may result in soil contamination if inappropriate waste remediation is applied.Radionuclides can be retained in soil by colloid particles and subsequently taken up by plants.The uptake process depends mainly on concentration of the radionuclides in soil,physical-chemical properties of soil,bioavailable pool of the radionuclides,macro elements present in the plants and the presence of element analogues.Some plants from the Brassicaceae family are known to have higher metal-accumulation capacity and are therefore suitable for phytoremediation of the U-waste-contaminated soil.In the present study,uptake of Ra-226 by Chinese cabbage (Brassica pekinensis Rupr.) was investigated.A laboratory-based experiment was carried out as field experiments are sometimes not appropriate due to high transfer factor variability related to uncontrolled plant growing and climate conditions.In the study different contamination scenarios were applied in a pot experiment to evaluate transfer of Ra-226 from the contaminated soil to the Chinese cabbage.226Ra was assayed in the above ground parts to calculate the transfer factors for various levels of contamination.Gamma-ray and alpha-particle spectrometry were used for the radium measurements.Preliminary results of 106 ± 32 and 426 ± 172 Bq kg-1 dry mass for 226Ra in cabbage leaves for lower and higher content of U-waste in the soil,respectively,indicated increased accumulation of radium in more contaminated soil.In the presentation,data for different levels of contamination under various growing conditions are shown and discussed.Measurement results are presented and the radium transfer from soil to plants is critically evaluated.