UraniumWater Pollutants, RadioactiveMiningUranyl NitrateRadioactive WasteThoriumRadonRadioactive PollutantsSoil Pollutants, RadioactiveWater Pollution, RadioactiveNuclear FissionRadiumGeobacterTantalumFood Contamination, RadioactiveRadon DaughtersNuclear PhysicsCzechoslovakiaGroundwaterActinoid Series ElementsDeltaproteobacteria