CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 36147 | EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Izstrādē |
| 75672 | prEN 13946 rev | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 71704 | EN ISO 5667-6:2016/A11:2020 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Izstrādē |
| 11007 | EN 25663:1993 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984) | Izstrādē |
| 62443 | EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macro-invertebrates from inland surface waters | Izstrādē |
| 63239 | EN ISO 21253-2:2019 | Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO/DIS 21253-2:2018) | Izstrādē |
| 36151 | EN 16870:2017 | Water quality - Guidance standard on determining the hydromorphological conditions of lakes | Izstrādē |
| 34751 | EN 16695:2015 | Water quality - Guidance on the estimation of microalgal biovolume | Izstrādē |
| 21720 | ISO 18857-1 | Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid extraction and gas chromatography with mass selective detection | Izstrādē |
| 34747 | EN 16694:2015 | Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS) | Izstrādē |
Displaying 641-650 of 839 results.