Registration number (WIID)Project No.TitleStatus
73269LVS EN 17899:2024Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water qualityStandarts spēkā
72997LVS EN 17892:2024Water quality - Determination of selected per- and polyfluoroalkyl substances in drinking water - Method using liquid chromatography/tandem-mass spectrometry (LC-MS/MS)Standarts spēkā
72999LVS EN 17805:2023Water quality - Sampling, capture and preservation of environmental DNA from waterStandarts spēkā
60432LVS EN 17233:2021Water quality - Guidance for assessing the efficiency and related metrics of fish passage solutions using telemetryStandarts spēkā
62541LVS EN 17218:2019Water quality - Guidance on sampling of mesozooplankton from marine and brackish water using meshStandarts spēkā
64275LVS EN 17211:2020Water quality - Guidance on mapping of seagrasses and macroalgae in the eulittoral zoneStandarts spēkā
62542LVS EN 17204:2019Water quality - Guidance on analysis of mesozooplankton from marine and brackish watersStandarts spēkā
62443LVS EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface watersStandarts spēkā
62576LVS EN 17123:2019Water quality - Guidance on determining the degree of modification of the hydromorphological features of transitional and coastal watersStandarts spēkā
77397LVS EN 17075+A1:2023Water quality - General requirements and performance test procedures for water monitoring equipment - Continuous measuring devicesStandarts spēkā
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