CEN/TC 230

Registration number (WIID)Project No.TitleStatus
35339LVS EN ISO 10523:2012Water quality - Determination of pH (ISO 10523:2008)Standarts spēkā
30872LVS EN ISO 15088:2009Water quality - Determination of the acute toxicity of waste water to zebrafish eggs (Danio rerio) (ISO 15088:2007)Standarts spēkā
30869LVS EN ISO 11348-3:2009Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO 11348-3:2007)Standarts spēkā
79408LVS EN ISO 15923-1:2024Water quality - Determination of selected parameters by discrete analysis systems - Part 1: Ammonium, nitrate, nitrite, chloride, orthophosphate, sulfate and silicate with photometric detection (ISO 15923-1:2013)Standarts spēkā
41078LVS EN ISO 18635:2016Water quality - Determination of short-chain polychlorinated alkanes (SCCPs) in sediment, sewage sludge and suspended (particulate) matter - Method using gas chromatography-mass spectrometry (GC-MS) and electron capture negative ionization (ECNI) (ISO 18635:2016)Standarts spēkā
79407LVS EN ISO 10705-3:2024Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water (ISO 10705-3:2003)Standarts spēkā
27658EN ISO 17852:2008Water quality - Determination of mercury - Method using atomic fluorescence spectrometry (ISO 17852:2006)Standarts spēkā
32800LVS EN 16101:2013Water quality - Guidance standard on interlaboratory comparison studies for ecological assessmentStandarts spēkā
78134EN 18025:2025Water quality - Guidance standard on a strategic approach to river restorationStandarts spēkā
37476LVS EN 16503:2014Water quality - Guidance standard on assessing the hydromorphological features of transitional and coastal watersStandarts spēkā
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