Registration number (WIID)Project No.TitleStatus
37215LVS EN ISO 10710:2013Water quality - Growth inhibition test with the marine and brackish water macroalga Ceramium tenuicorne (ISO 10710:2010)Standarts spēkā
36148LVS EN 14407:2014Water quality - Guidance for the identification and enumeration of benthic diatom samples from rivers and lakesStandarts spēkā
62443LVS EN 17136:2019Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface watersStandarts spēkā
31651LVS EN ISO 14403-2:2012Water quality - Determination of total cyanide and free cyanide using flow analysis (FIA and CFA) - Part 2: Method using continuous flow analysis (CFA) (ISO 14403-2:2012)Standarts 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
24558LVS EN ISO 16588:2004 /A1:2005Water quality - Determination of six complexing agents - Gas- chromatographic methodStandarts spēkā
31702LVS EN ISO 12846:2012Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO 12846:2012)Standarts spēkā
33298EN ISO 21427-2:2009/AC:2009Water quality - Evaluation of genotoxicity by measurement of the induction of micronuclei - Part 2: Mixed population method using the cell line V79 (ISO 21427-2:2006/Cor 1:2009)Standarts spēkā
22919LVS EN 1622:2006Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN)Standarts spēkā
81885LVS EN ISO 23695:2025Water quality - Determination of ammonium nitrogen in water - Small-scale sealed tube method (ISO 23695:2023)Standarts spēkā
Displaying 551-560 of 841 results.