Registration number (WIID)Project No.TitleStatus
23011LVS EN 1207:2005Chemicals used for treatment of water intended for human consumption - Tetrapotassium pyrophosphateStandarts spēkā
39557LVS EN 15514:2014Chemicals used for treatment of swimming pool water - Hydrochloric acidStandarts spēkā
7018LVS EN 14452:2005Devices to prevent pollution by backflow of potable water - Pipe interrupter with atmospheric vent and moving element DN 10 to DN 20 - Family D, type BStandarts spēkā
7106LVS EN 14455:2005Devices to prevent pollution by backflow of potable water - Presssurised air inlet valves DN 15 to DN 50 - Family L, type A and type BStandarts spēkā
69053LVS EN 890:2023Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionStandarts spēkā
69891LVS EN 12175:2022Chemicals used for treatment of water intended for human consumption - Hexafluorosilicic acidStandarts spēkā
24075LVS EN 1019:2005Chemicals used for treatment of water intended for human consumption - Sulfur dioxideStandarts spēkā
74276LVS EN 1409:2023Chemicals used for water treatment intended for human consumption - PolyaminesStandarts spēkā
67331LVS CEN/TR 17801:2022Guidelines for water safety plan concept in buildingsStandarts spēkā
69877LVS EN 16370:2022Chemicals used for treatment of water intended for human consumption - Sodium chloride for on site electrochlorination using membrane cellsStandarts spēkā
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