Registration number (WIID)Project No.TitleStatus
76508EN ISO 10253:2024Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2024)Standarts spēkā
31702LVS EN ISO 12846:2012Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)Standarts spēkā
62443LVS EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface watersStandarts spēkā
74054EN ISO 13164-4:2023Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023)Standarts spēkā
73162EN ISO 17294-2:2023Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023, Corrected version 2024-02)Standarts spēkā
78500EN ISO 13165-1:2024Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting (ISO 13165-1:2022)Standarts spēkā
67612LVS EN ISO 22908:2020Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020)Standarts spēkā
36148LVS EN 14407:2014Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakesStandarts spēkā
41270LVS EN ISO 7393-2:2018Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-dialkyl-1,4-phenylenediamine, for routine control purposes (ISO 7393-2:2017)Standarts spēkā
33488LVS CEN/TR 16151:2011Water quality - Guidance on the design of Multimetric IndicesStandarts spēkā
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