Registration number (WIID)Project No.TitleStatus
41075LVS EN ISO 17943:2016Water quality - Determination of volatile organic compounds in water - Method using headspace solid-phase micro-extraction (HS-SPME) followed by gas chromatography-mass spectrometry (GC-MS) (ISO 17943:2016)Standarts spēkā
11103LVS EN ISO 17993:2004Water quality - Determination of 15 polynuclear aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extractionStandarts spēkā
11118LVS EN ISO 17994:2004Water quality - Criteria for establishing equivalence between microbiological methodsAtcelts
35959LVS EN ISO 17994:2014Water quality - Requirements for the comparison of the relative recovery of microorganisms by two quantitative methods (ISO 17994:2014)Standarts spēkā
26359LVS EN ISO 18412:2006Water quality - Determination of chromium(VI) - Photometric method for weakly contaminated waterStandarts 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
21719LVS EN ISO 18856:2005Water quality - Determination of selected phthalates using gas chromatography/mass spectrometryStandarts spēkā
26360LVS EN ISO 18857-1:2006Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detectionStandarts spēkā
35341LVS EN ISO 18857-2:2012Water quality - Determination of selected alkylphenols - Part 2: Gas chromatographic-mass spectrometric determination of alkylphenols, their ethoxylates and bisphenol A in non-filtered samples following solid-phase extraction and derivatisation (ISO 18857-2:2009)Standarts spēkā
73875LVS EN ISO 19040-1:2022Water quality - Determination of the estrogenic potential of water and waste water - Part 1: Yeast estrogen screen (Saccharomyces cerevisiae) (ISO 19040-1:2018)Standarts spēkā
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