Registration number (WIID)Project No.TitleStatus
7090LVS EN 12901:2001Products used for treatment of water intended for human consumption - Inorganic supporting and filtering materials - DefinitionsStandarts spēkā
70484LVS EN 12897+A1:2020Water supply - Specification for indirectly heated unvented (closed) storage water heatersStandarts spēkā
40530LVS EN 12897:2016Water supply - Specification for indirectly heated unvented (closed) storage water heatersAtcelts
7046LVS EN 12897:2006Water supply - Specification for indirectly heated unvented (closed) storage water heatersAtcelts
40502LVS EN 12876:2015Chemicals used for treatment of water intended for human consumption - OxygenStandarts spēkā
27854LVS EN 12876:2009Chemicals used for treatment of water intended for human consumption - OxygenAtcelts
6987LVS EN 12876:2001Chemicals used for treatment of water intended for human consumption - OxygenAtcelts
67330LVS EN 12873-4:2022Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranesStandarts spēkā
7119LVS EN 12873-4:2006Influence of materials on water intended for human consumption - Influence due to migration - Part 4: Test method for water treatment membranesAtcelts
63751LVS EN 12873-3:2019Influence of materials on water intended for human consumption - Influence due to migration - Part 3: Test method for ion exchange and adsorbent resinsStandarts spēkā
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