CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 37475 | LVS EN 16493:2014 | Water quality - Nomenclatural requirements for the recording of biodiversity data, taxonomic checklists and keys | Standarts spēkā |
| 73083 | LVS EN 16479:2023 | Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automatic sampling devices (samplers) for water and waste water | Standarts spēkā |
| 36842 | LVS EN 16479:2014 | Water quality - Performance requirements and conformity test procedures for water monitoring equipment - Automated sampling devices (samplers) for water and waste water | Atcelts |
| 34482 | LVS EN 16260:2013 | Water quality - Visual seabed surveys using remotely operated and/or towed observation gear for collection of environmental data | Standarts spēkā |
| 22919 | LVS EN 1622:2006 | Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN) | Standarts spēkā |
| 11000 | LVS EN 1622:2000 | Water quality - Determination of the thershold odour number (TON) and treshold flavour number (TFN) | Atcelts |
| 34832 | LVS EN 16164:2013 | Water quality - Guidance standard for designing and selecting taxonomic keys | Standarts spēkā |
| 33760 | LVS EN 16161:2012 | Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples | Standarts spēkā |
| 78130 | LVS EN 16150:2026 | Water quality - Guidance on pro-rata multi-habitat sampling of benthic macroinvertebrates from rivers and streams | |
| 33487 | LVS EN 16150:2012 | Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers | Standarts spēkā |
Displaying 371-380 of 839 results.