CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11121 | LVS EN 14962:2006 | Water quality - Guidance on the scope and selection of fish sampling methods | Standarts spēkā |
| 34751 | LVS EN 16695:2016 | Water quality - Guidance on the estimation of phytoplankton biovolume | Standarts spēkā |
| 24309 | LVS EN 15196:2006 | Water quality - Guidance on sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment | Standarts spēkā |
| 26357 | EN ISO 16712:2006 | Water quality - Determination of acute toxicity of marine or estuarine sediment to amphipods (ISO 16712:2005) | Standarts spēkā |
| 68126 | LVS EN ISO 13164-3:2020 | Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013) | Standarts spēkā |
| 72780 | EN ISO 17294-1:2024 | Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General requirements (ISO 17294-1:2024) | Standarts spēkā |
| 23981 | LVS EN 14996:2006 | Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment | 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 |
| 65985 | LVS EN ISO 13161:2020 | Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020) | Standarts spēkā |
| 62648 | LVS EN 14614:2020 | Water quality - Guidance standard for assessing the hydromorphological features of rivers | Standarts spēkā |
Displaying 291-300 of 824 results.