Registration number (WIID)Project No.TitleStatus
6934LVS EN 642:2000Prestressed concrete pressure pipes, cylinder and non-cylinder type, including joints, fittings and specific requirement for prestressing steel for pipesStandarts spēkā
40487LVS EN 14718:2015Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test methodStandarts spēkā
58729LVS EN 882:2016Chemicals used for treatment of water intended for human consumption - Sodium aluminateStandarts spēkā
69053EN 890:2023Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionStandarts spēkā
36420LVS EN 16381:2014Chemicals used for treatment of swimming pool water - Sodium peroxodisulfateStandarts spēkā
81024prEN 890Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionAptauja slēgta
81025prEN 888Chemicals used for treatment of water intended for human consumption - Iron (III) chlorideAptauja slēgta
78539prEN 806-2Specification for installations inside buildings conveying water intended for human consumption - Part 2: DesignAptauja slēgta
83120prEN 14453Devices to prevent pollution by backflow of potable water - Pipe interrupter with permanent atmospheric vent DN 10 to DN 20 - Family D, type CAptauja slēgta
81027prEN 889Chemicals used for treatment of water intended for human consumption - Iron (II) sulfateAptauja slēgta
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