Registration number (WIID)Project No.TitleStatus
21800prEN ISO 11969:1996 revWater quality - Determination of arsenic - Atomic absorption spectrometric method (hydride technique)Izstrādē
62649-Water quality - Performance characteristics odf diatom sampling and analysisIzstrādē
11098prEN 26461-2:1993 revWater quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtrationIzstrādē
22922EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)Izstrādē
27362prEN 15708Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running waterIzstrādē
21718EN ISO 17495:2003Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001)Izstrādē
73649EN ISO 16266-2:2021Water quality - Detection and enumeration of Pseudomonas aeruginosa - Part 2: Most probable number method (ISO 16266-2:2018)Izstrādē
74816prEN ISO 9308-2 revWater quality - Enumeration of Escherichia coli and coliform bacteria - Part 2: Most probable number methodIzstrādē
62648EN 14614:2020Water quality - Guidance standard for assessing the hydromorphological features of riversIzstrādē
23988prEN ISO 16712Water quality - Determination of acute toxicity of marine or estuarine sediments to amphipods (ISO 16712)Izstrādē
Displaying 611-620 of 839 results.