CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11120 | LVS EN ISO 5667-19:2004 | Water quality - Sampling - Part 19: Guidance on sampling in marine sediments | Standarts spēkā |
| 73093 | LVS EN ISO 10304-4:2022 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 4: Determination of chlorate, chloride and chlorite in water with low contamination (ISO 10304-4:2022) | Standarts spēkā |
| 11007 | LVS EN 25663:2000 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium | Standarts spēkā |
| 63237 | LVS EN ISO 5815-1:2020 | Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019) | Standarts spēkā |
| 21807 | LVS EN ISO 9562:2005 | Water quality - Determination of adsorbable organically bound halogens (AOX) | 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 |
| 73873 | LVS EN ISO 20595:2022 | Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018) | Standarts spēkā |
| 79410 | EN 15843:2025 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
| 67529 | LVS EN ISO 22515:2021 | Water quality - Iron-55 - Test method using liquid scintillation counting (ISO 22515:2021) | Standarts spēkā |
Displaying 101-110 of 839 results.