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 |
| 67604 | EN ISO 22125-2:2019 | Water quality - Technetium-99 - Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 22125-2:2019) | Standarts spēkā |
| 71704 | LVS EN ISO 5667-6:2017/A11:2020 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | 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 |
| 10955 | LVS EN 903:2001 | Water quality - Determination of anionic surfactants by measurement of the methylene blue index MBAS | Standarts spēkā |
| 11038 | LVS EN ISO 7346-3:2000 | Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 3: Flow-through method | Standarts spēkā |
| 21718 | LVS EN ISO 17495:2003 | Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection | 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 |
| 76508 | EN ISO 10253:2024 | Water quality - Marine algal growth inhibition test with Skeletonema sp. and Phaeodactylum tricornutum (ISO 10253:2024) | Standarts spēkā |
| 11105 | LVS EN ISO 15586:2003 | Water quality - Determination of trace elements by atomic absorption spectrometry with graphite furnace | Standarts spēkā |
Displaying 631-640 of 801 results.