CEN/TC 230

Registration number (WIID)Project No.TitleStatus
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
11035LVS EN ISO 7899-2:2001 AWater quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration methodStandarts spēkā
59275LVS EN ISO 14189:2016Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013)Standarts spēkā
79408LVS EN ISO 15923-1:2024Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)Standarts spēkā
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
78134EN 18025:2025Water quality - Guidance standard on a strategic approach to river restorationStandarts 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
76867LVS EN ISO 23196:2023Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022)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
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
Displaying 811-820 of 841 results.