Registration number (WIID)Project No.TitleStatus
40318prEN 16859Water quality - Guidance standard on monitoring freshwater pearl mussel (Margaritifera margaritifera) populations and their environmentIzstrādē
73271prEN 18069Water quality - Minimum requirements for the selection, installation, validation, and operation of continuous measuring devicesAptauja slēgta
76459prEN 18161Water quality - Guidance standard on survey and monitoring freshwater mussel populations and their environmentAptauja slēgta
11097prEN 26461-1:1993 revWater quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid mediumIzstrādē
11098prEN 26461-2:1993 revWater quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtrationIzstrādē
20963prEN 27828:1994 revWater quality - Methods of biological sampling - Guidance on handnet sampling of aquatic benthic macro-invertebratesIzstrādē
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
80903prEN ISO 10704 revWater quality — Gross alpha and gross beta activity — Test method using thin source depositIzstrādē
80201prEN ISO 11704 revWater quality — Gross alpha and gross beta activity — Test method using liquid scintillation countingIzstrādē
21800prEN ISO 11969:1996 revWater quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique)Izstrādē
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