CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 36147 | LVS EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Standarts spēkā |
| 30867 | LVS EN ISO 11348-2:2009 | Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria (ISO 11348-2:2007) | Standarts spēkā |
| 33113 | LVS EN ISO 8692:2012 | Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012) | Standarts spēkā |
| 32263 | LVS EN 16039:2012 | Water quality - Guidance standard on assessing the hydromorphological features of lakes | Standarts spēkā |
| 31702 | LVS EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012) | Standarts spēkā |
| 11126 | LVS EN ISO 9308-3:1998 A/AC:2003 A | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium | Standarts spēkā |
| 35339 | LVS EN ISO 10523:2012 | Water quality - Determination of pH (ISO 10523:2008) | Standarts spēkā |
| 30872 | LVS EN ISO 15088:2009 | Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007) | Standarts spēkā |
| 75415 | LVS EN ISO 20596-2:2022 | Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021) | Standarts spēkā |
| 11035 | LVS EN ISO 7899-2:2001 A | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method | Standarts spēkā |
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