CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 34832 | EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Izstrādē |
| 11050 | EN ISO 10707:1997 | Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994) | Izstrādē |
| 78134 | EN 18025:2025 | Water quality - Guidance standard on a strategic approach to river restoration | Izstrādē |
| 81886 | prEN ISO 23696-1 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023) | Izstrādē |
| 81889 | prEN ISO 23697-2 | 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) | Izstrādē |
| 81890 | EN 17892:2024/prA1 | Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS) | Izstrādē |
| 79409 | EN 13946:2025 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 78021 | EN ISO 7899-3:2025 | Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO/FDIS 7899‑3:2025) | Izstrādē |
| 81887 | prEN ISO 23696-2 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) | Izstrādē |
| 81888 | prEN ISO 23697-1 | 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) | Izstrādē |
Displaying 611-620 of 801 results.