CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 24136 | EN 15041:2006 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polyphosphates | Atcelts |
| 39561 | EN 15040:2014 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts | Izstrādē |
| 24137 | EN 15040:2006 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts | Atcelts |
| 39564 | EN 15039:2014 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts | Izstrādē |
| 24138 | EN 15039:2006 | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Polycarboxilic acids and salts | Atcelts |
| 29407 | EN 15032:2006/prA1 | Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid | Izstrādē |
| 29683 | EN 15032:2006+A1:2008 | Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid | Izstrādē |
| 24140 | EN 15032:2006 | Chemicals used for treatment of swimming pool water - Trichloroisocyanuric acid | Atcelts |
| 69892 | EN 15031:2022 | Chemicals used for treatment of swimming pool water - Aluminium based coagulants | Izstrādē |
| 37283 | EN 15031:2013 | Chemicals used for treatment of swimming pool water - Aluminium based coagulants | Atcelts |
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