Registration number (WIID)Project No.TitleStatus
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
10976LVS EN ISO 9887:2000Water quality - Evalution of the aerobic biodegrability of organic compounds in an aquenous medium by the semi-continuous activated sludge methodStandarts spēkā
59003LVS EN ISO 5667-6:2017Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014)Standarts spēkā
11037LVS EN ISO 7346-2:2000Water quality - Determination of acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio - Hamilton - Buchanan (Teleostei, Cyprinidae)] - Part 2: Semi-static methodStandarts spēkā
10983LVS EN 27888:1993Water quality - Determination of electrical conductivityStandarts spēkā
58435LVS EN ISO 15681-2:2019Water quality - Determination of orthophosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 2: Method by continuous flow analysis (CFA) (ISO 15681-2:2018)Standarts spēkā
62542LVS EN 17204:2019Water quality - Guidance on analysis of mesozooplankton from marine and brackish watersStandarts spēkā
39822LVS EN ISO 13843:2017Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017)Standarts spēkā
21715LVS EN ISO 15913:2003Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatizationStandarts spēkā
11063LVS EN ISO 14402:1999Water quality - Determination of phenol index by flow analysis (FIA and CFA)Standarts spēkā
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