CEN/TC 164
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 6953 | EN 889:1998 | Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate | Atcelts |
| 21693 | EN 889:2004 | Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate | Atcelts |
| 69052 | EN 889:2023 | Chemicals used for treatment of water intended for human consumption - Iron (II) sulfate | Standarts spēkā |
| 6954 | EN 890:1998 | Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate | Atcelts |
| 21694 | EN 890:2004 | Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate liquid | Atcelts |
| 34085 | EN 890:2012 | Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solution | Atcelts |
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