CEN/TC 230

Registration number (WIID)Project No.TitleStatus
71941LVS EN ISO 13163:2022Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021)Standarts spēkā
73162LVS EN ISO 17294-2:2023Water quality - Application of inductively coupled plasma mass spectrometry (ICP-MS) - Part 2: Determination of selected elements including uranium isotopes (ISO 17294-2:2023)Standarts spēkā
73269LVS EN 17899:2024Water quality - Spectrophotometric determination of chlorophyll-a content by ethanol extraction for the routine monitoring of water qualityStandarts spēkā
62443LVS EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface watersStandarts spēkā
62648LVS EN 14614:2020Water quality - Guidance standard for assessing the hydromorphological features of riversStandarts spēkā
79408EN ISO 15923-1:2024Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)Standarts spēkā
65985LVS EN ISO 13161:2020Water quality - Polonium 210 - Test method using alpha spectrometry (ISO 13161:2020)Standarts spēkā
75415LVS EN ISO 20596-2:2022Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021)Standarts spēkā
68125LVS EN ISO 13164-1:2020Water quality - Radon-222 - Part 1: General principles (ISO 13164-1:2013, Correction version 2013-11-15)Standarts spēkā
73878LVS EN ISO 19040-3:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 3: In vitro human cell-based reporter gene assay (ISO 19040-3:2018)Standarts spēkā
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