CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 30426 | EN 12915-1:2009 | Products used for the treatment of water intended for human consumption - Granular activated carbon - Part 1: Virgin granular activated carbon | Izstrādē |
| 6932 | EN 640:1994 | Reinforced concrete pressure pipes and distributed reinforcement concrete pressure pipes (non-cylinder type), including joints and fittings | Izstrādē |
| 7009 | EN 13076:2003 | Devices to prevent pollution by backflow of potable water - Unrestricted air gap-Family A - Type A | Izstrādē |
| 83741 | EN 1717:2025/prA1 | Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflow | Izstrādē |
| 36418 | EN 16399:2013 | Chemicals used for treatment of swimming pool water - Sodium thiosulfate | Izstrādē |
| 36410 | EN 16400:2013 | Chemicals used for treatment of swimming pool water - Hydrogen peroxide | Izstrādē |
| 69889 | EN 12174:2022 | Chemicals used for treatment of water intended for human consumption - Sodium hexafluorosilicate | Izstrādē |
| 69884 | EN 15796:2022 | Chemicals used for treatment of swimming pool water - Calcium hypochlorite | Izstrādē |
| 39570 | EN 15362:2014 | Chemicals used for treatment of swimming pool water - Sodium carbonate | Izstrādē |
| 83888 | prEN 16409 | Chemicals used for treatment of water intended for human consumption - Dolomitic lime | Izstrādē |
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