Table 3-6: Potential Treatment Methods for Water Contaminated with Radiologicals* [Row 1] [Column 1 header] RAD [Row 1] [Column 2 header] Activated alumina [Row 1] [Column 3 header] Activated sludge [Row 1] [Column 4 header] Biosorption [Row 1] [Column 5 header] Coagulants [Row 1] [Column 6 header] Co-precipitation with barium sulfate [Row 1] [Column 7 header] Electrodialysis/EDR† [Row 1] [Column 8 header] Filtration [Row 1] [Column 9 header] Hydrous manganese oxide [Row 1] [Column 10 header] Ion Exchange [Row 1] [Column 11 header] Lime softening [Row 1] [Column 12 header] Magnetic polyamine epichlorhydrin resin [Row 1] [Column 13 header] Particle separation and magnetic separation [Row 1] [Column 14 header] Precipitation [Row 1] [Column 15 header] Reverse osmosis [Row 2] Alpha- and Gamma-Emitter, Americium-241 [Coagulants column selected, Magnetic polyamine epichlorhydrin resin column selected, Particle separation and magnetic separation column selected, Reverse osmosis column selected] [Row 3] Beta- and Gamma-Emitter, Cesium-137 [Electrodialysis/EDR† column selected, Filtration column selected, Hydrous manganese oxide column selected, Ion Exchange column selected, Reverse osmosis column selected] Cobalt-60 [Activated sludge column selected, Biosorption column selected, Filtration column selected, Hydrous manganese oxide column selected, Ion Exchange column selected, Lime softening column selected, Precipitation column selected, Reverse osmosis column selected], Iridium-192 [Biosorption column selected, Coagulants column selected, Reverse osmosis column selected], [Row 4] Beta-Emitter, Strontium-90 [Activated alumina column selected, Co-precipitation with barium sulfate column selected, Electrodialysis/EDR† column selected, Ion Exchange column selected, Lime softening column selected, Reverse osmosis column selected], [end table 3-6] [footnote]* See WCIT at http://www.epa.gov/wcit/ for more information and updates on treatment methods. Registration is required. In addition to WCIT, this table includes treatment methods investigated in other EPA preliminary scoping studies on existing methods. [footnote]† EDR = Electrodialysis reversal. [page footer] 17