Registration number (WIID)Project No.TitleStatus
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
69897LVS EN 12126:2022Chemicals used for treatment of water intended for human consumption - Liquefied ammoniaStandarts spēkā
69875LVS EN 12123:2022Chemicals used for treatment of water intended for human consumption - Ammonium sulfateStandarts spēkā
7073LVS EN 13052-1:2002Influence of materials on water intended for human consumption - Organic materials - Determination of colour and turbidity of water in piping systems - Part 1: Test methodStandarts spēkā
7040LVS EN 1286:2000Sanitary tapware - Low pressure mechanical mixing valves - General technical specificationStandarts 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
69884LVS EN 15796:2022Chemicals used for treatment of swimming pool water - Calcium hypochloriteStandarts spēkā
24075LVS EN 1019:2005Chemicals used for treatment of water intended for human consumption - Sulfur dioxideStandarts spēkā
74275LVS EN 1408:2023Chemicals used for treatment of water intended for human consumption - Poly(diallyldimethylammonium chloride)Standarts spēkā
74274LVS EN 1407:2023Chemicals used for treatment of water intended for human consumption - Anionic and non-ionic polyacrylamidesStandarts spēkā
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