Registration number (WIID)Project No.TitleStatus
67821LVS EN 15935:2021Soil, waste, treated biowaste and sludge - Determination of loss on ignitionStandarts spēkā
72534LVS EN 17813:2023Environmental solid matrices - Determination of halogens and sulfur by oxidative pyrohydrolytic combustion followed by ion chromatographyStandarts spēkā
70232LVS EN 17516:2023Waste - Characterization of granular solids with potential for use as construction material - Compliance leaching test - Up-flow percolation testStandarts spēkā
76892LVS EN ISO 18227:2025Environmental solid matrices - Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025) 
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