Registration number (WIID)Project No.TitleStatus
40487LVS EN 14718:2015Influence of organic materials on water intended for human consumption - Determination of the chlorine demand - Test methodStandarts spēkā
69053EN 890:2023Chemicals used for treatment of water intended for human consumption - Iron (III) sulfate solutionStandarts spēkā
69051EN 891:2023Chemicals used for treatment of water intended for human consumption - Iron (III) chloride sulfateStandarts spēkā
30409LVS EN 13753:2009Products used for treatment of water intended for human consumption - Granular activated aluminaStandarts spēkā
36429LVS EN 897:2013Chemicals used for treatment of water intended for human consumption - Sodium carbonateStandarts spēkā
36414LVS EN 12913:2013Products used for treatment of water intended for human consumption - Powdered diatomaceous earthStandarts spēkā
37291LVS EN 15075:2013Chemicals used for treatment of swimming pool water - Sodium hydrogen carbonateStandarts spēkā
6933LVS EN 641:2000Reinforced concrete pressure pipes, cylinder type, including joints and fittingsStandarts spēkā
40506LVS EN 939:2016Chemicals used for treatment of water intended for human consumption - Hydrochloric acidStandarts spēkā
40495LVS EN 12931:2015Chemicals used for treatment of water intended for human consumption - Chemicals for emergency use - Sodium dichloroisocyanurate, anhydrousStandarts spēkā
Displaying 171-180 of 1287 results.