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ISO 22449-1:2020PublishedUse of reclaimed water in industrial cooling systems — Part 1: Technical guidelinesISO 22449-2:2020PublishedUse of reclaimed water in industrial cooling systems — Part 2: Guidelines for cost analysisISO 22478:2006PublishedWater quality — Determination of certain explosives and related compounds — Method using high-performance liquid chromatography (HPLC) with UV detectionISO 22515:2021PublishedWater quality — Iron-55 — Test method using liquid scintillation countingISO 22519:2023PublishedMembrane-based generation of water for injection (WFI)ISO 22524:2020PublishedPilot plan for industrial wastewater treatment facilities in the objective of water reuseISO 22719:2008PublishedWater quality — Determination of total alkalinity in sea water using high precision potentiometric titrationISO 22743:2006PublishedWater quality — Determination of sulfates — Method by continuous flow analysis (CFA)ISO 22908:2020PublishedWater quality — Radium 226 and Radium 228 — Test method using liquid scintillation countingISO 23056:2020PublishedWater reuse in urban areas — Guidelines for decentralized/onsite water reuse system — Design principles of a decentralized/onsite systemISO 23070:2020PublishedWater Reuse in Urban Areas — Guidelines for reclaimed water treatment: Design principles of a RO treatment system of municipal wastewaterISO 23196:2022PublishedWater quality — Calculation of biological equivalence (BEQ) concentrationsISO 23256:2023PublishedWater quality — Detection of selected congeners of polychlorinated dibenzo-p-dioxins and polychlorinated biphenyls — Method using a flow immunosensor techniqueISO 23446:2021PublishedMarine technology — Product water quality of seawater reverse osmosis (RO) desalination — Guidelines for municipal water supplyISO 23631:2006PublishedWater quality — Determination of dalapon, trichloroacetic acid and selected haloacetic acids — Method using gas chromatography (GC-ECD and/or GC-MS detection) after liquid-liquid extraction and derivatizationISO 23655-1:2022PublishedWater quality — Nickel-59 and nickel-63 — Part 1: Test method using liquid scintillation countingISO 23655-2:2022PublishedWater quality — Nickel-59 and nickel-63 — Part 2: Test method using ICP-MSISO 23695:2023PublishedWater quality — Determination of ammonium nitrogen in water — Small-scale sealed tube methodISO 23696-1:2023PublishedWater quality — Determination of nitrate in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reactionISO 23696-2:2023PublishedWater quality — Determination of nitrate in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reactionISO 23697-1:2023PublishedWater quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reactionISO 23697-2:2023PublishedWater quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reactionISO 23817:2026PublishedShips and marine technology — Ballast water management systems (BWMS) — Procedures for commissioning and testing BWMS using electrolytic methodsISO 23893-3:2013PublishedWater quality — Biochemical and physiological measurements on fish — Part 3: Determination of vitellogeninISO 23893-1:2007PublishedWater quality — Biochemical and physiological measurements on fish — Part 1: Sampling of fish, handling and preservation of samples