CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7133 | prEN 1409:1998 rev | Chemicals used for treatment of water intended for human consumption - Polyamines | Izstrādē |
| 7132 | EN 974:2003 | Chemicals used for treatment of water intended for human consumption - Phosphoric acid | Izstrādē |
| 7132 | LVS EN 974:2004 | Chemical used for treatment of water intended for human consumption - Phosphoric acid | Standarts spēkā |
| 7131 | EN 899:2003 | Chemicals used for treatment of water intended for human consumption - Sulfuric acid | Atcelts |
| 7131 | LVS EN 899:2003 | Chemicals used for treatment of water intended for human consumption - Sulfuric acid | Atcelts |
| 7130 | LVS EN 1209:2004 | Chemicals used for treatment of water intended for human consumption - Sodium silicate | Standarts spēkā |
| 7130 | EN 1209:2003 | Chemicals used for treatment of water intended for human consumption - Sodium silicate | Izstrādē |
| 7129 | prEN 14812-2 | Water conditioning equipment inside buildings - Chemical dosing systems - Requirements for performance and safety, testing - Part 2: Adjustable systems | Izstrādē |
| 7128 | EN 14812:2005 | Water conditioning equipment inside buildings-Chemical dosing systems-Pre-set dosing systems- Requirements for performance, safety and testing | Atcelts |
| 7128 | LVS EN 14812:2006 | Water conditioning equipment inside buildings-Chemical dosing systems-Pre-set dosing systems- Requirements for performance, safety and testing | Atcelts |
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