CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 23844 | LVS EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Standarts spēkā |
| 59145 | LVS EN ISO 9696:2018 | Water quality - Gross alpha activity - Test method using thick source (ISO 9696:2017) | Standarts spēkā |
| 74054 | LVS EN ISO 13164-4:2023 | Water quality - Radon-222 - Part 4: Test method using two-phase liquid scintillation counting (ISO 13164-4:2023) | Standarts spēkā |
| 73083 | LVS EN 16479:2023 | Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automatic sampling devices (samplers) for water and waste water | Standarts spēkā |
| 63552 | LVS EN ISO 9698:2019 | Water quality - Tritium - Test method using liquid scintillation counting (ISO 9698:2019) | Standarts spēkā |
| 76485 | prEN ISO 16094-3 | Water quality - Analysis of microplastic in water - Part 3: Thermo-analytical methods for waters with low content of suspended solids including drinking water (ISO/DIS 16094-3:2024) | Aptauja slēgta |
| 78130 | prEN 16150 | Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams | Aptauja slēgta |
| 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) | Aptauja slēgta |
| 77982 | prEN ISO 13647 | Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO/DIS 13647:2025) | Aptauja slēgta |
| 76459 | prEN 18161 | Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environment | Aptauja slēgta |
Displaying 281-290 of 803 results.