Registration number (WIID)Project No.TitleStatus
70484LVS EN 12897+A1:2020Water supply - Specification for indirectly heated unvented (closed) storage water heatersStandarts spēkā
70548LVS EN 13433:2022Devices to prevent pollution by backflow of potable water - Mechanical disconnector, direct actuated - Family G, type AStandarts spēkā
36432LVS EN 15028:2013Chemicals used for treatment of water intended for human consumption - Sodium chlorateStandarts spēkā
39570LVS EN 15362:2014Chemicals used for treatment of swimming pool water - Sodium carbonateStandarts spēkā
69892LVS EN 15031:2022Chemicals used for treatment of swimming pool water - Aluminium based coagulantsStandarts 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
37290LVS EN 900:2014Chemicals used for treatment of water intended for human consumption - Calcium hypochloriteStandarts spēkā
7012LVS EN 13079:2003Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type DStandarts spēkā
36420LVS EN 16381:2014Chemicals used for treatment of swimming pool water - Sodium peroxodisulfateStandarts spēkā
6934LVS EN 642:2000Prestressed concrete pressure pipes, cylinder and non-cylinder type, including joints, fittings and specific requirement for prestressing steel for pipesStandarts spēkā
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