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Chemicals used for treatment of water intended for human consumption - Silver salts for intermittent use
50.60 Close of voting. Proof returned by secretariat
Chemicals used for treatment of swimming pool water - Aluminium based coagulants
60.60 Standard published
Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid
90.60 Close of review
Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid
50.60 Close of voting. Proof returned by secretariat
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts
90.92 Standard to be revised
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts
90.92 Standard to be revised
Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium dichloroisocyanurate, anhydrous
50.60 Close of voting. Proof returned by secretariat
Chemicals used for treatment of swimming pool water - Sodium dichloroisocyanurate, anhydrous
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium dichloroisocyanurate, dihydrate
50.60 Close of voting. Proof returned by secretariat
Chemicals used for treatment of swimming pool water - Sodium dichloroisocyanurate, dihydrate
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Ozone
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonate
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium hydroxide
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium hypochlorite
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sulfuric acid
90.92 Standard to be revised
Chemicals used for treatment of swimming pool water - Sodium carbonate
90.93 Standard confirmed
Chemicals used for treatment of swimming pool water - Chlorine
90.93 Standard confirmed