CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 74432 | prEN 12926 rev | Chemicals used for treatment of water intended for human consumption - Sodium peroxodisulfate | Izstrādē |
| 23009 | EN 1205:2005 | Chemicals used for treatment of water intended for human consumption - Disodium dihydrogen pyrophosphate | Izstrādē |
| 67334 | - | Glass beads and glass granulate intended for treatment of water for human consumption and swimming pools water | Izstrādē |
| 74724 | prEN 13959 rev | Anti-pollution check valves - DN 6 to DN 250 inclusive family E, type A, B, C and D | Izstrādē |
| 34084 | EN 13752:2012 | Products used for treatment of water intended for human consumption - Manganese dioxide | Izstrādē |
| 69898 | prEN 896 | Chemicals used for treatment of water intended for human consumption - Sodium hydroxide | Izstrādē |
| 37264 | prEN 13433 rev | Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type A | Izstrādē |
| 34106 | prEN 16070 | Products used for treatment of water intended for human consumption - Natural Zeolite | Izstrādē |
| 36414 | EN 12913:2012 | Products used for treatment of water intended for human consumption - Powdered diatomaceous earth | Izstrādē |
| 30409 | EN 13753:2009 | Products used for treatment of water intended for human consumption - Granular activated alumina | Izstrādē |
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