Registration number (WIID)Project No.TitleStatus
83923prEN ISO 18857-1 revWater quality — Determination of selected alkylphenols — Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detectionIzstrādē
80907prEN ISO 22125-2 revWater quality — Technetium-99 — Part 2: Test method using inductively coupled plasma mass spectrometry (ICP-MS)Izstrādē
23844EN 15204:2006Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)Izstrādē
22919EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Izstrādē
36147EN 14184:2014Water quality - Guidance for the surveying of aquatic macrophytes in running watersIzstrādē
80072FprEN ISO 17805Water quality - Sampling, capture and preservation of environmental DNA from water (ISO/FDIS 17805:2026)Izstrādē
62443EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macro-invertebrates from inland surface watersIzstrādē
36151EN 16870:2017Water quality - Guidance standard on determining the hydromorphological conditions of lakesIzstrādē
40321-Water quality - DNA extraction and amplification of diatom DNAIzstrādē
40317-Water quality - Sampling of diatoms for DNA sequencingIzstrādē
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