CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 81887 | EN ISO 23696-2:2025 | Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23696-2:2023) | Aptauja slēgta |
| 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) | Aptauja slēgta |
| 81885 | EN ISO 23695:2025 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | Aptauja slēgta |
| 81606 | prEN ISO 7014 | Water quality — Detection and quantification of SARS-CoV-2 in wastewater using real-time RT-PCR | Izstrādē |
| 81574 | prEN ISO 5667-3 rev | Water quality — Sampling — Part 3: Preservation and handling of water samples | Izstrādē |
| 81573 | prEN ISO 5667-1 rev | Water quality — Sampling — Part 1: Guidance on the design of sampling programmes and sampling techniques | Izstrādē |
| 81572 | prEN ISO 5663 rev | Water quality — Determination of Kjeldahl nitrogen — Method after mineralization with selenium | Izstrādē |
| 81464 | prEN ISO 16712 rev | Water quality — Determination of acute toxicity of marine or estuarine sediment to amphipods | Izstrādē |
| 81410 | prEN ISO 13160 rev | Water quality — Strontium 90 and strontium 89 — Test methods using liquid scintillation counting or proportional counting | Izstrādē |
| 81327 | LVS EN ISO 11350:2025 | Water quality - Determination of the genotoxicity of water and waste water - Salmonella/microsome fluctuation test (Ames fluctuation test) (ISO 11350:2012) | Standarts spēkā |
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