CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81573 | prEN ISO 5667-1 | Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO/DIS 5667-1:2025) | Aptauja slēgta |
| 81574 | prEN ISO 5667-3 rev | Water quality — Sampling — Part 3: Preservation and handling of water samples | Izstrādē |
| 11013 | prEN ISO 6340 | Water quality - Detection of Salmonella species (ISO 6340:1995) | Izstrādē |
| 82047 | prEN ISO 6461-2 rev | Water quality — Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) — Part 2: Method by membrane filtration | Izstrādē |
| 75403 | prEN ISO 7014 | Water analysis | Izstrādē |
| 81606 | prEN ISO 7014 | Water quality — Detection and quantification of SARS-CoV-2 in wastewater using real-time RT-PCR | Izstrādē |
| 22982 | prEN ISO 7346-1 rev | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 1: Static method (ISO 7346-1:1996) | Izstrādē |
| 23102 | prEN ISO 7346-2 rev | Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 2: Semi-static method (ISO 7346-2:1996) | Izstrādē |
| 24025 | prEN ISO 7346 rev | Water quality -- Determination of acute lethality to freshwater and marine fish | Izstrādē |
| 35039 | prEN ISO 8689-1 rev | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Izstrādē |
Displaying 821-830 of 839 results.