Water PollutantsWater Pollutants, RadioactiveWater MicrobiologyWaterWater Pollutants, ChemicalFresh WaterAir PollutantsWater SupplySewageWater PollutionEnvironmental MonitoringEnvironmental PollutantsFiltrationZinebCryptosporidium parvumWater Pollution, ChemicalSensitivity and SpecificityOocystsCampylobacter coliRiversPolymerase Chain ReactionFecesLegionellaCryptosporidiumVibrio choleraeCampylobacter jejuniEnvironmental MicrobiologyDNA, BacterialLegionella pneumophilaColony Count, MicrobialSeawaterImmunomagnetic SeparationNitrogen DioxideOzoneAir PollutionSulfur DioxideBody WaterBacteriological TechniquesParticulate MatterWater PurificationReference StandardsCalibrationEnvironmental ExposureSoil PollutantsSequence Analysis, DNAVehicle EmissionsDNA PrimersHydrocarbons, ChlorinatedRNA, Ribosomal, 16SMolecular Sequence DataHydrogen-Ion ConcentrationPolychlorinated BiphenylsEscherichia coli