Registration number (WIID)Project No.TitleStatus
74280LVS EN 1405:2023Chemicals used for treatment of water intended for human consumption - Sodium alginateStandarts spēkā
39560LVS EN 15041:2014Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - PolyphosphatesStandarts spēkā
28673LVS EN 14897+A1:2007Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testingStandarts spēkā
34082LVS EN 15975-2:2013Security of drinking water supply - Guidelines for risk and crisis management - Part 2: Risk managementStandarts spēkā
40509LVS EN 938:2016Chemicals used for treatment of water intended for human consumption - Sodium chloriteStandarts spēkā
37290LVS EN 900:2014Chemicals used for treatment of water intended for human consumption - Calcium hypochloriteStandarts spēkā
67330LVS EN 12873-4:2022Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranesStandarts spēkā
39570LVS EN 15362:2014Chemicals used for treatment of swimming pool water - Sodium carbonateStandarts spēkā
70548LVS EN 13433:2022Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type AStandarts spēkā
70484LVS EN 12897+A1:2020Water supply - Specification for indirectly heated unvented (closed) storage water heatersStandarts spēkā
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