Radioactive Hazard ReleaseUraniumChemical Hazard ReleaseRadioactive PollutantsCesium RadioisotopesRadioactive FalloutSoil Pollutants, RadioactiveRadiation MonitoringNuclear Power PlantsFukushima Nuclear AccidentWater Pollutants, RadioactiveRadioisotopesTritiumAutoradiographyIodine RadioisotopesMiningUranyl NitrateTime FactorsRadioactive WasteRadonThoriumProportional Hazards ModelsMaterials TestingWater Pollution, Radioactive