Registration number (WIID)Project No.TitleStatus
74279LVS EN 1302:2024Chemicals used for treatment of water intended for human consumption - Aluminium-based coagulants - Analytical methodsStandarts 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
7009LVS EN 13076:2003Devices to prevent by popullition by backflow of potable water - Unrestricted air gap-Family A - Type AStandarts spēkā
7010LVS EN 13077:2004Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A, Type BAtcelts
25117LVS EN 13077:2008Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BAtcelts
58731LVS EN 13077:2018Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BAtcelts
70894LVS EN 13077:2023Devices to prevent pollution by backflow of potable water - Air gap with non-circular overflow (unrestricted) - Family A - Type BStandarts spēkā
7011LVS EN 13078:2004Devices to prevent pollution by backflow of potable water - Air gap submerged feed incorporating air inlet plus overflow - Family A, typ CStandarts spēkā
7012LVS EN 13079:2003Devices to prevent pollution by backflow of potable water - Air gap with injector - Family A - Type DStandarts spēkā
6992LVS EN 13176:2001Chemicals used for treatment of water intended for human onsumption - EthanolAtcelts
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