Registration number (WIID)Project No.TitleStatus
21720ISO 18857-1Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid extraction and gas chromatography with mass selective detectionIzstrādē
34751EN 16695:2015Water quality - Guidance on the estimation of microalgal biovolumeIzstrādē
77982FprEN ISO 13647Water quality - Enumeration of culturable microorganisms - Colony count by spread plate inoculation on R2A medium (ISO/FDIS 13647:2026)Izstrādē
34746EN 16693:2015Water quality - Determination of organochlorine pesticides (OCP) in whole water samples using solid phase extraction (SPE) with SPE-disks combined with gas chromatography mass spectrometry (GC-MS)Izstrādē
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
36151EN 16870:2017Water quality - Guidance standard on determining the hydromorphological conditions of lakesIzstrādē
37476EN 16503:2014Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal watersIzstrādē
11038EN ISO 7346-3:1997Water quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 3: Flow-through method (ISO 7346-3:1996)Izstrādē
35340EN ISO 16265:2012Water quality - Determination of the methylene blue active substances (MBAS) index - Method using continuous flow analysis (CFA) (ISO 16265:2009)Izstrādē
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