CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 80467 | prEN ISO 20899 | Water quality - Plutonium and neptunium - Test method using ICPMS | Izstrādē |
| 26422 | prEN ISO 22032 | Water quality - Determination of selected polybrominated diphenyl ethers in sediment and sewage sludge - Method using extraction and gas chromatography/mass spectrometry | Izstrādē |
| 77819 | prEN ISO 22032 | Water quality - Determination of polybrominated diphenyl ethers (PBDE) in sediment, suspended (particulate) matter and biota - Method using gas chromatography-tandem mass spectrometry or high resolution mass spectrometry (GC-MS/MS; HRMS) (ISO/DIS 22032:2025) | Izstrādē |
| 80906 | prEN ISO 22125-1 rev | Water quality — Technetium-99 — Part 1: Test method using liquid scintillation counting | Izstrādē |
| 80907 | prEN ISO 22125-2 rev | Water quality — Technetium-99 — Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) | Izstrādē |
| 67529 | prEN ISO 22515 | Water quality - Iron-55 - Test method using liquid scintillation counting (ISO 22515:2021) | Izstrādē |
| 81885 | prEN ISO 23695 | Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023) | 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 |
| 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 |
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