CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 27237 | EN 14897:2006/prA1 | Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testing | Izstrādē |
| 27234 | EN 14652:2005/prA1 | Water conditioning equipment inside buildings - Membrane separation devices - Requirements for performance, safety and testing | Izstrādē |
| 74280 | EN 1405:2023 | Chemicals used for treatment of water intended for human consumption - Sodium alginate | Izstrādē |
| 74275 | EN 1408:2023 | Chemicals used for treatment of water intended for human consumption - Poly(diallyldimethylammonium chloride) | Izstrādē |
| 67331 | CEN/TR 17801:2022 | Guidelines for water safety plan concept in buildings | Izstrādē |
| 74431 | prEN 12931 rev | Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, anhydrous | Izstrādē |
| 81139 | - | Water conditioning equipment inside buildings — Devices using UV LED units — Requirements for performance, safety and testing. | Izstrādē |
| 75999 | EN 14944-2:2025 | InInfluence of cement based products on water intended for human consumption - Test methods - Part 2: Influence of site-applied cement based materials and associated non-cement based products/materials on organoleptic parameters and migration of organic substances (TOC) | Izstrādē |
| 67333 | prEN 15040 rev | Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Phosphonic acids and salts | Izstrādē |
| 67328 | prEN 806-3 rev | Specifications for installations inside buildings conveying water for human consumption - Part 3: Installation | Izstrādē |
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