CEN/TC 444

Registration number (WIID)Project No.TitleStatus
67819LVS EN 15216:2022Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluatesStandarts spēkā
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
72874CEN/TS 17847:2022Characterization of waste - Determination of selected low boiling point alcohols using gas chromatography with flame ionization detection after static head-space extraction (HS-GC-FID)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
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
Displaying 341-350 of 354 results.