CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62443 | LVS EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | Standarts spēkā |
| 37215 | LVS EN ISO 10710:2013 | Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010) | Standarts spēkā |
| 11007 | LVS EN 25663:2000 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium | Standarts spēkā |
| 27658 | EN ISO 17852:2008 | Water quality - Determination of mercury - Method using atomic fluorescence spectrometry (ISO 17852:2006) | Standarts spēkā |
| 10993 | LVS EN ISO 9963-1:1995 A | Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity | Standarts spēkā |
| 11070 | LVS EN ISO 9439:2003 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test | Standarts spēkā |
| 72996 | LVS EN ISO 21676:2021 | Water quality - Determination of the dissolved fraction of selected active pharmaceutical ingredients, transformation products and other organic substances in water and treated waste water - Method using high performance liquid chromatography and mass spectrometric detection (HPLC-MS/MS or -HRMS) after direct injection (ISO 21676:2018) | Standarts spēkā |
| 81327 | EN ISO 11350:2025 | Water quality - Determination of the genotoxicity of water and waste water - Salmonella/microsome fluctuation test (Ames fluctuation test) (ISO 11350:2012) | 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 |
| 11121 | LVS EN 14962:2006 | Water quality - Guidance on the scope and selection of fish sampling methods | Standarts spēkā |
Displaying 241-250 of 832 results.