Registration number (WIID)Project No.TitleStatus
70484LVS EN 12897+A1:2020Water supply - Specification for indirectly heated unvented (closed) storage water heatersStandarts spēkā
70484EN 12897:2016+A1:2020Water supply - Specification for indirectly heated unvented (closed) storage water heatersIzstrādē
70175LVS EN 901:2024Chemicals used for treatment of water intended for human consumption - Sodium hypochloriteStandarts spēkā
70175EN 901:2024Chemicals used for treatment of water intended for human consumption - Sodium hypochloriteStandarts spēkā
70168prEN 15078Chemicals used for treatment of swimming pool water - Sulfuric acidIzstrādē
70167prEN 15077Chemicals used for treatment of swimming pool water - Sodium hypochloriteIzstrādē
70166prEN 15076Chemicals used for treatment of swimming pool water - Sodium hydroxideIzstrādē
70165prEN 15073Chemicals used for treatment of swimming pool water - Sodium dichloroisocyanurate, dihydrateIzstrādē
70152prEN 15075Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonateIzstrādē
69905EN 1017:2025Chemicals used for treatment of water intended for human consumption - Half-burnt dolomiteStandarts spēkā
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