CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69888 | LVS EN 12125:2022 | Chemicals used for treatment of water intended for human consumption - Sodium thiosulfate | Standarts spēkā |
| 39570 | LVS EN 15362:2014 | Chemicals used for treatment of swimming pool water - Sodium carbonate | Standarts spēkā |
| 30427 | LVS EN 12915-2:2009 | Products used for the treatment of water intended for human consumption - Granular activated carbon - Part 2: Reactivated granular activated carbon | Standarts spēkā |
| 74276 | LVS EN 1409:2023 | Chemicals used for water treatment intended for human consumption - Polyamines | Standarts spēkā |
| 69889 | LVS EN 12174:2022 | Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate | Standarts spēkā |
| 28673 | LVS EN 14897+A1:2007 | Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testing | Standarts spēkā |
| 7020 | LVS EN 14453:2005 | Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type C | Standarts spēkā |
| 22427 | LVS EN 935:2005 | Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) chloride (monomeric) and aluminium iron(III) chloride hydroxide (monomeric) | Standarts spēkā |
| 69894 | EN 1018:2021 | Chemicals used for treatment of water intended for human consumption - Calcium carbonate | 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 |
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