CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74276 | LVS EN 1409:2023 | Chemicals used for water treatment intended for human consumption - Polyamines | Standarts spēkā |
| 21308 | LVS EN 14623:2005 | Devices to prevent pollution by backflow of potable water - Air gaps with minimum circular overflow (verified by test or measurement) - Family A, type G | Standarts spēkā |
| 69891 | LVS EN 12175:2022 | Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acid | Standarts spēkā |
| 70175 | LVS EN 901:2024 | Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite | Standarts spēkā |
| 70175 | EN 901:2024 | Chemicals used for treatment of water intended for human consumption - Sodium hypochlorite | Standarts spēkā |
| 58730 | EN 12485:2017 | Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methods | Standarts spēkā |
| 76190 | LVS EN 17978:2024 | Products used for treatment of water intended for human consumption and swimming pool water - Glass beads and glass granulate | Standarts spēkā |
| 69888 | LVS EN 12125:2022 | Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate | Standarts spēkā |
| 76000 | EN 14944-4:2025 | Influence of cement based products on water intended for human consumption - Test methods - Part 4: Migration of substances from site-applied cement based materials and associated non-cement based products/materials | Standarts spēkā |
| 6940 | LVS EN 12541:2003 | Sanitary tapware - Pressure flushing valves und automatic closing urinal valves PN 10 | Standarts spēkā |
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