Registration number (WIID)Project No.TitleStatus
73879LVS EN 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
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
37217LVS EN ISO 19250:2013Water quality - Detection of Salmonella spp. (ISO 19250:2010)Standarts spēkā
63234LVS EN ISO 19340:2018Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017)Standarts spēkā
23247LVS EN ISO 19458:2006Water quality - Sampling for microbiological analysisStandarts spēkā
24739LVS EN ISO 19493:2007Water quality - Guidance on marine biological surveys of hard- substrate communitiesStandarts spēkā
26423LVS EN ISO 20079:2007Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition testStandarts spēkā
60334LVS EN ISO 20227:2017Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017)Standarts spēkā
73640LVS EN ISO 20236:2022Water 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 20236:2018)Atcelts
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
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