CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 61308 | EN ISO 7704:2023 | Water quality - Requirements for the performance testing of membrane filters used for direct enumeration of microorganisms by culture methods (ISO 7704:2023) | Standarts spēkā |
| 73879 | EN ISO 19040-2:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) (ISO 19040-2:2018) | Standarts spēkā |
| 11071 | LVS EN ISO 9888:2000 | Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium - Static test (Zahn-Wellens method) | Standarts spēkā |
| 79409 | EN 13946:2025 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Standarts spēkā |
| 78134 | EN 18025:2025 | Water quality - Guidance standard on a strategic approach to river restoration | Standarts spēkā |
| 64588 | LVS EN ISO 11348-1:2008/A1:2019 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria - Amendment 1 (ISO 11348-1:2007/Amd 1:2018) | Standarts spēkā |
| 63056 | LVS CEN/TR 17244:2018 | Water quality - Technical report for the management of diatom barcodes | Standarts spēkā |
| 80072 | prEN ISO 17805 | Water quality - Sampling, capture and preservation of environmental DNA from water (ISO/DIS 17805:2025) | Aptauja slēgta |
| 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 |
Displaying 291-300 of 813 results.