CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
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 |
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 |
28623 | LVS EN 15843:2010 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Standarts spēkā |
Displaying 361-370 of 803 results.