Registration number (WIID)Project No.TitleStatus
11090EN ISO 15587-2:2002Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002)Izstrādē
22919EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Izstrādē
32516EN 15708:2009Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
36146EN 13946:2014Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
36147EN 14184:2014Water quality - Guidance for the surveying of aquatic macrophytes in running watersIzstrādē
29946EN ISO 7887:2011Water quality - Examination and determination of colour (ISO/DIS 7887:2009)Izstrādē
75672prEN 13946 revWater quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesIzstrādē
80906prEN ISO 22125-1 revWater quality — Technetium-99 — Part 1: Test method using liquid scintillation countingIzstrādē
62443EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface watersIzstrādē
71704EN ISO 5667-6:2016/A11:2020Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014)Izstrādē
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