CEN/TC 230

Registration number (WIID)Project No.TitleStatus
68126EN ISO 13164-3:2020Water quality - Radon-222 - Part 3: Test method using emanometry (ISO 13164-3:2013)Standarts spēkā
63234LVS EN ISO 19340:2018Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017)Standarts spēkā
63237LVS EN ISO 5815-1:2020Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO 5815-1:2019)Standarts spēkā
81889EN ISO 23697-2:2025Water quality - Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Part 2: Chromotropic acid colour reaction (ISO 23697-2:2023)Standarts spēkā
79407EN ISO 10705-3:2024Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)Standarts 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
73873LVS EN ISO 20595:2022Water quality - Determination of selected highly volatile organic compounds in water - Method using gas chromatography and mass spectrometry by static headspace technique (HS-GC-MS) (ISO 20595:2018)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
79410EN 15843:2025Water quality - Guidance standard on determining the degree of modification of river hydromorphologyStandarts spēkā
63057LVS CEN/TR 17245:2018Water quality - Technical report for the routine sampling of benthic diatoms from rivers and lakes adapted for metabarcoding analysesStandarts spēkā
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