Registration number (WIID)Project No.TitleStatus
67238LVS EN ISO 13162:2021Water quality - Carbon 14 - Test method using liquid scintillation counting (ISO 13162:2021)Standarts spēkā
69428LVS EN ISO 13160:2021Water quality - Strontium 90 and strontium 89 - Test methods using liquid scintillation counting or proportional counting (ISO 13160:2021)Standarts spēkā
75274EN ISO 13165-3:2024Water quality - Radium-226 - Part 3: Test method using coprecipitation and gamma-ray spectrometry (ISO 13165-3:2024)Standarts spēkā
72995LVS EN ISO 10872:2021Water and soil quality - Determination of the toxic effect of sediment and soil samples on growth, fertility and reproduction of Caenorhabditis elegans (Nematoda) (ISO 10872:2020)Standarts spēkā
71941LVS EN ISO 13163:2022Water quality - Lead-210 - Test method using liquid scintillation counting (ISO 13163:2021)Standarts spēkā
26355LVS EN ISO 15839:2006Water quality - On-line sensors/analysing equipment for water - Specifications and performance testsStandarts spēkā
33760LVS EN 16161:2012Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samplesStandarts spēkā
22918LVS EN 872:2005 AWater quality - Determination of suspended solids - Method by filtration through glass fibre filtersStandarts spēkā
11109LVS EN ISO 16588:2004Water quality - Determination of six complexing agents - Gas-chromatographic methodStandarts spēkā
10973LVS EN 26461-1:1993Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) 
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