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California Environmental Reporting System(CERS) Tiered Permitting: Unit PBR <br /> 15. Aqueous wastes generated by reverse osmosis or the regeneration of demineralizer(ion exchange)columns that were used for recycling of wastewaters at facilities that maintain <br /> zero discharge of wastewaters derived from the treatment of cyanide-containing aqueous waste may be treated by the following technologies: <br /> Oxidation by addition of hypochlorite <br /> Oxidation by addition of peroxide or ozone with or without ultraviolet light <br /> Alkaline chlorination <br /> Electrochemical oxidation <br /> Ion exchange <br /> Reverse osmosis <br /> 16. Rinseate from rinsing equipment used to transfer aqueous solutions containing cyanides such as containers,pumps,and hoses maybe treated by the following technologies: <br /> Oxidation by addition of hypochlorite <br /> Oxidation by addition of peroxide or ozone with or without ultraviolet light <br /> Alkaline chlorination <br /> Electrochemical oxidation <br /> Ion exchange <br /> Reverse osmosis <br /> 17. Aqueous wastes generated by the following onsite recycling activities 1)Rinsing spent anode bags prior to onsite reuse;or 2)Rinsing empty containers prior to onsite reuse may be <br /> treated by the following technologies: <br /> Oxidation by addition of hypochlorite <br /> Oxidation by addition of peroxide or ozone with or without ultraviolet light <br /> Alkaline chlorination <br /> Electrochemical oxidation <br /> Ion exchange <br /> Reverse osmosis <br /> 18. Aqueous wastes generated by onsite laboratories conducting analyses and testing maybe treated by the following technologies: <br /> Oxidation by addition of hypochlorite <br /> Oxidation by addition of peroxide or ozone with or without ultraviolet light <br /> Alkaline chlorination <br /> Electrochemical oxidation <br /> Ion exchange <br /> Reverse osmosis <br /> 19. Process solutions containing cyanides with recoverable amounts of metal maybe treated by the following technology: <br /> Electrowinning to recover metals prior to further treatment,including destruction of incidental amounts of cyanide by electrochemical oxidation resulting from the <br /> electrowinning process <br /> 0. Process solutions containing cyanides added slowly to a rinse tank at a level that never exceeds 5,000 milligrams per liter cyanide in the rinse tank maybe treated by the following <br /> technologies: <br /> Oxidation by addition of hypochlorite <br /> Oxidation by addition of peroxide or ozone with or without ultraviolet light <br /> Alkaline chlorination <br /> Electrochemical oxidation <br /> Ion exchange <br /> Reverse osmosis <br /> Printed on 4/20/2026 2:33 PM <br />