Registration number (WIID)Project No.TitleStatus
7132LVS EN 974:2004Chemical used for treatment of water intended for human consumption - Phosphoric acidStandarts 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
7127LVS CEN/TR 14740:2004Chemicals used for treatment of water intended for human consumption - Ozone-Production - Guidelines for installations and minimal functional requirementsStandarts spēkā
76299EN 12485:2026Chemicals used for treatment of water intended for human consumption - Calcium carbonate, high-calcium lime, half-burnt dolomite, magnesium oxide, calcium magnesium carbonate and dolomitic lime - Test methodsStandarts spēkā
23003LVS EN 1199:2005Chemicals used for treatment of water intended for human consumption - Disodium hydrogen orthophosphateStandarts spēkā
7015LVS EN 14367:2005Non controllable backflow preventer with different pressure zones - Family C, type AStandarts spēkā
69875EN 12123:2022Chemicals used for treatment of water intended for human consumption - Ammonium sulfateStandarts spēkā
34082LVS EN 15975-2:2013Security of drinking water supply - Guidelines for risk and crisis management - Part 2: Risk managementStandarts spēkā
74280LVS EN 1405:2023Chemicals used for treatment of water intended for human consumption - Sodium alginateStandarts spēkā
76315EN 1018:2026Chemicals used for treatment of water intended for human consumption - Calcium carbonateStandarts spēkā
Displaying 1241-1250 of 1328 results.