CEN/TC 230

Registration number (WIID)Project No.TitleStatus
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
78500EN ISO 13165-1:2024Water quality - Radium-226 - Part 1: Test method using liquid scintillation counting (ISO 13165-1:2022)Standarts spēkā
81886EN ISO 23696-1:2025Water quality - Determination of nitrate in water using small-scale sealed tubes - Part 1: Dimethylphenol colour reaction (ISO 23696-1:2023)Standarts spēkā
78437EN ISO 13646:2025Water quality - Determination of selected estrogens in whole water samples - Method using solid phase extraction (SPE) followed by liquid chromatography (LC) or gas chromatography (GC) coupled to mass spectrometry (MS) detection (ISO 13646:2025)Standarts spēkā
73090EN ISO 13165-2:2022Water quality - Radium-226 - Part 2: Test method using emanometry (ISO 13165-2:2022)Standarts spēkā
73879EN ISO 19040-2:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 2: Yeast estrogen screen (A-YES, Arxula adeninivorans) (ISO 19040-2:2018)Standarts spēkā
63239LVS EN ISO 21253-2:2020Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO 21253-2:2019)Standarts spēkā
76482EN ISO 16094-2:2025Water quality - Analysis of microplastic in water - Part 2: Vibrational spectroscopy methods for waters with low content of suspended solids including drinking water (ISO 16094-2:2025)Standarts spēkā
11071LVS EN ISO 9888:2000Water quality - Evalution of ultimate aerobic biodegrability of organic compounds in aquenous medium - Static test (Zahn-Wellens method)Standarts spēkā
39822LVS EN ISO 13843:2017Water quality - Requirements for establishing performance characteristics of quantitative microbiological methods (ISO 13843:2017)Standarts spēkā
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