CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 73875 | EN ISO 19040-1:2022 | Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018) | Standarts spēkā |
| 73879 | EN ISO 19040-2:2022 | Water 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 |
| 73878 | EN ISO 19040-3:2022 | Water 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 |
| 37217 | EN ISO 19250:2013 | Water quality - Detection of Salmonella spp. (ISO 19250:2010) | Izstrādē |
| 63234 | EN ISO 19340:2017 | Water quality - Determination of dissolved perchlorate - Method using ion chromatography (IC) (ISO 19340:2017) | Izstrādē |
| 23247 | EN ISO 19458:2006 | Water quality - Sampling for microbiological analysis (ISO 19458:2006) | Izstrādē |
| 24739 | EN ISO 19493:2007 | Water quality - Guidance on marine biological surveys of hard-substrate communities (ISO 19493:2007) | Izstrādē |
| 26423 | EN ISO 20079:2006 | Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005) | Izstrādē |
| 60334 | EN ISO 20227:2017 | Water 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) | Izstrādē |
| 73640 | EN ISO 20236:2021 | Water 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 |
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