Registration number (WIID)Project No.TitleStatus
11057LVS EN ISO 11885:1997 AWater quality - Determination of 33 elements by inductively coupled plasma atomic emission spectroscopyAtcelts
10968EN 29439:1993Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of released carbon dioxide (ISO 9439:1990)Atcelts
36146LVS EN 13946:2014Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakesAtcelts
10987LVS EN ISO 10253:2000Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutumAtcelts
11040LVS EN ISO 10304-2:1996 AWater quality - Determination of dissolved anions by liquid chromatography of ions - Part 2: Determination of bromide, chloride, nitrate, nitrite, ortophosphate and sulfate in waste waterAtcelts
28368LVS EN ISO 5667-3:2003/AC:2007Water quality - Sampling - Part 3: Guidance on the preservation and handling of water samples (ISO 5667-3:2003)Atcelts
22442prEN ISO 19250Water quality - Determination of Salmonella species (ISO/DIS 19250:2003)Izstrādē
64275EN 17211:2019Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zoneIzstrādē
73271FprEN 18069Water quality - Minimum requirements for the selection, installation, validation, and operation of continuous measuring devicesIzstrādē
82864FprCEN ISO/TS 16099Water quality - Polymerase chain reaction (PCR) for the detection and quantification of microorganisms and viruses - General requirements, quality assurance and validation (ISO/TS 16099:2025)Izstrādē
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