CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 79407 | LVS EN ISO 10705-3:2024 | Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003) | Standarts spēkā |
| 72997 | EN 17892:2024 | Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS) | Standarts spēkā |
| 81886 | EN ISO 23696-1:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023) | Standarts spēkā |
| 78134 | EN 18025:2025 | Water quality - Guidance standard on a strategic approach to river restoration | Standarts spēkā |
| 81889 | EN ISO 23697-2:2025 | Water 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 |
| 79409 | EN 13946:2025 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 81888 | EN ISO 23697-1:2025 | Water 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 |
| 81885 | EN ISO 23695:2025 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Standarts spēkā |
| 76867 | LVS EN ISO 23196:2023 | Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022) | Standarts spēkā |
| 59275 | LVS EN ISO 14189:2016 | Water quality - Enumeration of Clostridium perfringens - Method using membrane filtration (ISO 14189:2013) | Standarts spēkā |
Displaying 271-280 of 824 results.