Registration number (WIID)Project No.TitleStatus
69056LVS EN 14664:2023Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate, solidStandarts spēkā
81027prEN 889Chemicals used for treatment of water intended for human consumption - Iron (II) sulfateAptauja slēgta
78538prEN 806-1Specifications for installations inside buildings conveying water intended for human consumption - Part 1: GeneralAptauja slēgta
81542prEN 18268Chemicals used for treatment of water intended for human consumption - Antiscalants for membranes - Citric AcidAptauja slēgta
81124prEN 1490Building valves - Combined temperature and pressure relief valves - Tests and requirementsAptauja slēgta
81024prEN 890Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionAptauja slēgta
78539prEN 806-2Specification for installations inside buildings conveying water intended for human consumption - Part 2: DesignAptauja slēgta
81025prEN 888Chemicals used for treatment of water intended for human consumption - Iron (III) chlorideAptauja slēgta
80408prEN 12897-1Water supply - Indirectly heated unvented (closed) hot water storage tanks - Part 1: General specifications and common test methodsAptauja
81037prEN 891Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfateAptauja
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