CEN/TC 230

Registration number (WIID)Project No.TitleStatus
67612LVS EN ISO 22908:2020Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020)Standarts spēkā
67529LVS EN ISO 22515:2021Water quality - Iron-55 - Test method using liquid scintillation counting (ISO 22515:2021)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
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
76872LVS EN ISO 20236:2024Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2024)Standarts spēkā
63240LVS EN ISO 21253-1:2020Water quality - Multi-compound class methods - Part 1: Criteria for the identification of target compounds by gas and liquid chromatography and mass spectrometry (ISO 21253-1:2019)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
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
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
71941LVS EN ISO 13163:2022Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021)Standarts spēkā
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