Registration number (WIID)Project No.TitleStatus
79409LVS EN 13946:2025Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakesStandarts spēkā
76482LVS EN ISO 16094-2:2025Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water (ISO 16094-2:2025)Standarts spēkā
76122LVS EN 18110:2025Water quality – Assessment of damage to fish passing through pumping stations and hydropower plants – Methods based on live fish passage survival test and blade strike modelStandarts spēkā
81887LVS EN ISO 23696-2:2025Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023)Standarts spēkā
77977LVS EN ISO 18724:2025Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025)Standarts spēkā
60432EN 17233:2021Water quality - Guidance for assessing the efficiency and related metrics of fish passage solutions using telemetryStandarts spēkā
80976CEN ISO/TS 7013:2025Water quality - Guidance and requirements for designing an interlaboratory trial for validation of analytical methods (ISO/TS 7013:2023)Standarts spēkā
77977EN ISO 18724:2025Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025)Standarts spēkā
73875EN ISO 19040-1:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018)Standarts spēkā
65985EN ISO 13161:2020Water quality - Polonium 210 - Test method using alpha spectrometry (ISO/DIS 13161:2019)Standarts spēkā
Displaying 561-570 of 839 results.