Registration number (WIID)Project No.TitleStatus
10987EN ISO 10253:1998Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:1995)Atcelts
10980EN 25667-1:1993Water quality - Sampling - Part 1: Guidance on the design of sampling programmes (ISO 5667-1:1980)Atcelts
11099EN ISO 8692:2004Water quality - Freshwater algal growth inhibition test with unicellular green algae (ISO 8692:2004)Atcelts
11104EN ISO 5667-3:2003Water quality - Sampling - Part 3: Guidance on the preservation and handling of water samples (ISO 5667-3:2003)Atcelts
11118EN ISO 17994:2004Water quality - Criteria for establishing equivalence between microbiological methods (ISO 17994:2004)Atcelts
11053EN 14184:2003Water quality - Guidance standard for the surveying of aquatic macrophytes in running watersAtcelts
28506EN ISO 5667-1:2006/AC:2007Water quality - Sampling - Part 1: Guidance on the design of sampling programmes and sampling techniques (ISO 5667-1:2006)Atcelts
10954EN 1189:1996Water quality - Determination of phosphorus - Ammonium molybdate spectrometric methodAtcelts
26358EN ISO 17294-1:2006Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 1: General guidelines (ISO 17294-1:2004)Atcelts
21815EN 12260:2003Water quality - Determination of nitrogen - Determination of bound nitrogen (TNb), following oxidation to nitrogen oxidesAtcelts
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