CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 79410 | LVS EN 15843:2025 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
| 78134 | LVS EN 18025:2025 | Water quality - Guidance standard on a strategic approach to river restoration | Standarts spēkā |
| 76122 | EN 18110:2025 | Water quality - Assessment of damage to fish passing through pumping stations and hydropower plants - Methods based on live fish passage survival test and blade strike model | Standarts spēkā |
| 79409 | LVS EN 13946:2025 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 76482 | LVS EN ISO 16094-2:2025 | Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water (ISO 16094-2:2025) | Standarts spēkā |
| 76122 | LVS EN 18110:2025 | Water quality – Assessment of damage to fish passing through pumping stations and hydropower plants – Methods based on live fish passage survival test and blade strike model | Standarts spēkā |
| 81887 | LVS 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) | Standarts spēkā |
| 77977 | LVS EN ISO 18724:2025 | Water quality - Determination of dissolved chromium(VI) in water - Photometric method (ISO 18724:2025) | Standarts spēkā |
| 60432 | EN 17233:2021 | Water quality - Guidance for assessing the efficiency and related metrics of fish passage solutions using telemetry | Standarts spēkā |
| 10955 | LVS EN 903:2001 | Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBAS | Standarts spēkā |
Displaying 701-710 of 831 results.