Registration number (WIID)Project No.TitleStatus
79407LVS EN ISO 10705-3:2024Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)Standarts spēkā
72997EN 17892:2024Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)Standarts spēkā
81886EN ISO 23696-1:2025Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)Standarts spēkā
78134EN 18025:2025Water quality - Guidance standard on a strategic approach to river restorationStandarts spēkā
81889EN ISO 23697-2:2025Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)Standarts spēkā
79409EN 13946:2025Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakesStandarts spēkā
81888EN ISO 23697-1:2025Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23697-1:2023)Standarts spēkā
81885EN ISO 23695:2025Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023)Standarts spēkā
76867LVS EN ISO 23196:2023Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)Standarts spēkā
59275LVS EN ISO 14189:2016Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)Standarts spēkā
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