Registration number (WIID)Project No.TitleStatus
20963prEN 27828:1994 revWater quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebratesIzstrādē
40119EN 16772:2016Water quality - Guidance on methods for sampling invertebrates in the hyporheic zone of riversIzstrādē
63235prEN ISO 10634Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous mediumIzstrādē
69127prEN ISO 13168Water quality — Simultaneous determination of tritium and carbon 14 activities — Test method using liquid scintillation countingIzstrādē
62650prEN 15843 revWater quality - Guidance standard on determining the degree of modification of river hydromorphologyIzstrādē
73625EN 17075:2018/FprA1Water quality - General requirements and performance test procedures for water monitoring equipment - Continuous measuring devicesIzstrādē
37476EN 16503:2014Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal watersIzstrādē
64593EN ISO 11348-3:2008/A1:2018Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria - Amendment 1 (ISO 11348-3:2007/Amd 1:2018)Izstrādē
11070EN ISO 9439:2000Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Carbon dioxide evolution test (ISO 9439:1999)Izstrādē
11071EN ISO 9888:1999Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999)Izstrādē
Displaying 621-630 of 801 results.