environment radioactive contaminationLevels of Natural Radionuclides and 137Cs in Waterbodies nearby the Karpov Research and Development Institute of Physical Chemistry 6/30/2025 2025 - #02 Environmental aspects of nuclear power Udalova A.A. Melnikova T.V. Minakov D.A. Nepogodina Y.V. Kiseleva L.A. Shpilko M.A.Study of the 137Cs Content in Soils within the Area Nearby the Karpov Research and Development Institute of Physical Chemistry 3/25/2025 2025 - #01 Environmental aspects of nuclear power Udalova A.A. Melnikova T.V. Nepogodina Y.V. Kiseleva L.A.