CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 28212 | EN 1405:2009 | Chemicals used for treatment of water intended for human consumption - Sodium alginate | Atcelts |
| 28213 | EN 1406:2009 | Chemicals used for treatment of water intended for human consumption - Modified starches | Atcelts |
| 28213 | LVS EN 1406:2010 | Chemicals used for treatment of water intended for human consumption - Modified starches | Atcelts |
| 28214 | EN 902:2009 | Chemicals used for treatment of water intended for human consumption - Hydrogen peroxide | Atcelts |
| 28214 | LVS EN 902:2009 | Chemicals used for treatment of water intended for human consumption - Hydrogen peroxide | Atcelts |
| 28215 | EN 937:2009 | Chemicals used for treatment of water intended for human consumption - Chlorine | Atcelts |
| 28215 | LVS EN 937:2009 | Chemicals used for treatment of water intended for human consumption - Chlorine | Atcelts |
| 28217 | LVS EN 938:2009 | Chemicals used for treatment of water intended for human consumption - Sodium chlorite | Atcelts |
| 28217 | EN 938:2009 | Chemicals used for treatment of water intended for human consumption - Sodium chlorite | Atcelts |
| 28667 | LVS EN 13443-2+A1:2007 | Water conditioning equipment inside buildings - Mechanical filters - Part 2: Particle rating 1 µm to less than 80 µm - Requirements for performance, safety and testing | Standarts spēkā |
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