CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 7044 | EN 885:2001 | Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide silicate | Atcelts |
| 22424 | EN 885:2004 | Chemicals used for treatment of water intended for human consumption - Polyaluminium chloride hydroxide silicate | Izstrādē |
| 7045 | EN 886:2001 | Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate | Atcelts |
| 22425 | EN 886:2004 | Chemicals used for treatment of water intended for human consumption - Polyaluminium hydroxide silicate sulfate | Izstrādē |
| 6950 | EN 887:2001 | Chemicals used for treatment of water intended for human consumption - Aluminium iron(III) sulfate | Atcelts |
| 22426 | EN 887:2004 | Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate | Atcelts |
| 58721 | EN 887:2016 | Chemicals used for treatment of water intended for human consumption - Aluminium iron (III) sulfate | Izstrādē |
| 6952 | EN 888:1998 | Chemicals used for treatment of water intended for human consumption - Iron (III) chloride | Atcelts |
| 21692 | EN 888:2004 | Chemicals used for treatment of water intended for human consumption - Iron (III) chloride | Atcelts |
| 69054 | EN 888:2023 | Chemicals used for treatment of water intended for human consumption - Iron (III) chloride | Standarts spēkā |
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