Registration number (WIID)Project No.TitleStatus
74274LVS EN 1407:2023Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamidesStandarts spēkā
74275LVS EN 1408:2023Chemicals used for treatment of water intended for human consumption - Poly(diallyldimethylammonium chloride)Standarts spēkā
67324LVS EN 14944-3:2024Influence of cementitious products on water intended for human consumption - Test methods - Part 3: Migration of substances from factory-made cementititous productsStandarts spēkā
40810LVS EN 816:2017Sanitary tapware - Automatic shut-off valves PN 10Standarts spēkā
69871LVS EN 15797:2022Chemicals used for the treatment of swimming pool water - Iron based coagulantsStandarts spēkā
34084LVS EN 13752:2012Chemicals used for treatment of water intended for human consumption - Manganese dioxideStandarts spēkā
40495LVS EN 12931:2015Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, anhydrousStandarts spēkā
40506LVS EN 939:2016Chemicals used for treatment of water intended for human consumption - Hydrochloric acidStandarts spēkā
69904LVS EN 1717:2025Protection against pollution of water intended for human consumption in potable water installations and general requirements for devices to prevent pollution by backflowStandarts spēkā
76315EN 1018:2026Chemicals used for treatment of water intended for human consumption - Calcium carbonateStandarts spēkā
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