CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 23013 | EN 1210:2005 | Chemicals used for treatment of water intended for human consumption - Sodium tripolyphosphate | Izstrādē |
| 6995 | EN 1210:1997 | Chemicals used for treatment of water intended for human consumption - Sodium tripolyphosphate | Atcelts |
| 7130 | EN 1209:2003 | Chemicals used for treatment of water intended for human consumption - Sodium silicate | Izstrādē |
| 6960 | EN 1209:1997 | Chemicals used for treatment of water intended for human consumption - Sodium silicate | Atcelts |
| 23012 | EN 1208:2005 | Chemicals used for treatment of water intended for human consumption - Sodium calcium polyphosphate | Izstrādē |
| 7067 | EN 1208:1997 | Chemicals used for treatment of water intended for human consumption - Sodium calcium polyphosphate | Atcelts |
| 23011 | EN 1207:2005 | Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate | Izstrādē |
| 7066 | EN 1207:1997 | Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphate | Atcelts |
| 23010 | EN 1206:2005 | Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate | Izstrādē |
| 7065 | EN 1206:1997 | Chemicals used for treatment of water intended for human consumption - Tetrasodium pyrophosphate | Atcelts |
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