CEN/TC 444

Registration number (WIID)Project No.TitleStatus
69686LVS EN 17503:2022Soil, sludge, treated biowaste and waste - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC)Standarts spēkā
70233LVS EN 15936:2022Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustionStandarts spēkā
70505LVS EN ISO 17512-1:2020Soil quality - Avoidance test for determining the quality of soils and effects of chemicals on behaviour - Part 1: Test with earthworms (Eisenia fetida and Eisenia andrei) (ISO 17512-1:2008)Standarts spēkā
75004EN ISO 18187:2024Soil quality - Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis (ISO 18187:2024)Standarts spēkā
69000LVS EN ISO 23611-4:2022Soil quality - Sampling of soil invertebrates - Part 4: Sampling, extraction and identification of soil-inhabiting nematodes (ISO 23611-4:2022)Standarts spēkā
74645LVS EN ISO 22036:2024Environmental solid matrices - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 22036:2024)Standarts spēkā
75901LVS EN ISO 17616:2023Soil quality - Guidance on the choice and evaluation of bioassays for ecotoxicological characterization of soils and soil materials (ISO 17616:2019)Standarts spēkā
76290LVS EN ISO 23611-2:2024Soil quality - Sampling of soil invertebrates - Part 2: Sampling and extraction of micro-arthropods (Collembola and Acarina) (ISO 23611-2:2024)Standarts spēkā
72534LVS EN 17813:2023Environmental solid matrices - Determination of halogens and sulfur by oxidative pyrohydrolytic combustion followed by ion chromatographyStandarts spēkā
79453EN ISO 11465:2025Sludge and solid environmental matrices - Determination of dry residue or water content and calculation of the dry matter fraction on a mass basis (ISO 11465:2025)Standarts spēkā
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