Radioactive Hazard ReleaseChemical Hazard ReleaseBioreactorsRadiation DosageRadiation, IonizingRadiation InjuriesDose-Response Relationship, RadiationRadiation ToleranceProportional Hazards ModelsRadiationRadiation MonitoringRadiation ProtectionNuclear ReactorsSewageWaste Disposal, FluidEnzymes, ImmobilizedRadiation OncologyWater Purification