Registration number (WIID)Project No.TitleStatus
24075LVS EN 1019:2005Chemicals used for treatment of water intended for human consumption - Sulfur dioxideStandarts spēkā
37290LVS EN 900:2014Chemicals used for treatment of water intended for human consumption - Calcium hypochloriteStandarts spēkā
28673LVS EN 14897+A1:2007Water conditioning equipment inside buildings - Devices using mercury low-pressure ultraviolet radiators - Requirements for performance, safety and testingStandarts spēkā
39560LVS EN 15041:2014Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - PolyphosphatesStandarts spēkā
40494LVS EN 12671:2016Chemicals used for treatment of water intended for human consumption - Chlorine dioxide generated in situStandarts spēkā
23015LVS EN 1212:2005Chemicals used for treatment of water intended for human consumption - Sodium polyphosphateStandarts spēkā
6923LVS EN 806-3:2006Specifications for installations inside buildings conveying water for human consumption - Part 3: Pipe sizing - Simplified methodStandarts spēkā
7141LVS EN 15161:2007Water conditioning equipment inside buildings - Installation, operation, maintenance and repairStandarts 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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