CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 71941 | EN ISO 13163:2022 | Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021) | Standarts spēkā |
| 67612 | EN ISO 22908:2020 | Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020) | Standarts spēkā |
| 63553 | EN ISO 10704:2019 | Water quality - Gross alpha and gross beta activity - Test method using thin source deposit (ISO/DIS 10704:2017) | Standarts spēkā |
| 81886 | LVS 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) | Standarts spēkā |
| 20546 | LVS EN ISO 10705-2:2002 | Water quality - Detection and enumeration of bacteriophages - Part 2: Enumeration of somatic coliphages | Standarts spēkā |
| 79407 | EN ISO 10705-3:2024 | Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003) | Standarts spēkā |
| 79408 | EN ISO 15923-1:2024 | Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013) | Standarts spēkā |
| 76508 | EN ISO 10253:2024 | Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2024) | Standarts spēkā |
| 73879 | LVS 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 |
| 73875 | LVS EN ISO 19040-1:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018) | Standarts spēkā |
Displaying 141-150 of 841 results.