CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7135 | LVS EN 13443-2:2005 | Water conditioning equipment inside buildings - Mechanical filters - Part 2: Particle rating 1 µm to less than 80 µm - Requirements for performance, safety and testing | Atcelts |
| 7134 | CR 14269:2001 | Chemicals used for treatment of water intended for human consumption - Guidelines for the purchase | Atcelts |
| 7134 | LVS CR 14269:2002 | Chemicals used for treatment of water intended for human consumption - Guidelines for the purchase | Atcelts |
| 7133 | prEN 1409:1998 rev | Chemicals used for treatment of water intended for human consumption - Polyamines | Izstrādē |
| 7132 | LVS EN 974:2004 | Chemical used for treatment of water intended for human consumption - Phosphoric acid | Standarts spēkā |
| 7132 | EN 974:2003 | Chemicals used for treatment of water intended for human consumption - Phosphoric acid | Izstrādē |
| 7131 | LVS EN 899:2003 | Chemicals used for treatment of water intended for human consumption - Sulfuric acid | Atcelts |
| 7131 | 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 |
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