CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 33487 | LVS EN 16150:2012 | Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers | Standarts spēkā |
| 32800 | LVS EN 16101:2013 | Water quality - Guidance standard on interlaboratory comparison studies for ecological assessment | Standarts spēkā |
| 32263 | LVS EN 16039:2012 | Water quality - Guidance standard on assessing the hydromorphological features of lakes | Standarts spēkā |
| 32125 | LVS EN 15972:2012 | Water quality - Guidance on quantitative and qualitative investigations of marine phytoplankton | Standarts spēkā |
| 34758 | LVS EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | Standarts spēkā |
| 79410 | LVS EN 15843:2025 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
| 28623 | LVS EN 15843:2010 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Atcelts |
| 32516 | LVS EN 15708:2010 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Standarts spēkā |
| 24872 | LVS EN 15460:2008 | Water quality - Guidance standard for the surveying of macrophytes in lakes | Standarts spēkā |
Displaying 361-370 of 814 results.