Registration number (WIID)Project No.TitleStatus
63239EN ISO 21253-2:2019Water quality - Multi-compound class methods - Part 2: Criteria for the quantitative determination of organic substances using a multi-compound class analytical method (ISO/DIS 21253-2:2018)Izstrādē
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
63237EN ISO 5815-1:2019Water quality - Determination of biochemical oxygen demand after n days (BODn) - Part 1: Dilution and seeding method with allylthiourea addition (ISO/DIS 5815-1:2017)Izstrādē
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
63235prEN ISO 10634Water quality - Guidance for the preparation and treatment of poorly water-soluble organic compounds for the subsequent evaluation of their biodegradability in an aqueous mediumIzstrādē
63234LVS EN ISO 19340:2018Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017)Standarts spēkā
63234EN ISO 19340:2017Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO/DIS 19340:2017)Izstrādē
63219EN ISO 7027-2:2019Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO/DIS 7027-2:2017)Izstrādē
63219LVS EN ISO 7027-2:2019Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019)Standarts spēkā
63057CEN/TR 17245:2018Water quality - Technical report for the routine sampling of benthic diatoms from rivers and lakes adapted for metabarcoding analysesIzstrādē
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