CEN/TC 444

Registration number (WIID)Project No.TitleStatus
59884LVS EN ISO 21268-1:2020Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 1: Batch test using a liquid to solid ratio of 2 l/kg dry matter (ISO 21268-1:2019)Standarts spēkā
60366LVS EN ISO 21268-4:2020Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 4: Influence of pH on leaching with initial acid/base addition (ISO 21268-4:2019)Standarts spēkā
76939LVS EN ISO 15192:2025Soil and waste - Determination of chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrophotometric detection (ISO 15192:2025)Standarts spēkā
76892EN ISO 18227:2025Environmental solid matrices - Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025)Standarts spēkā
79453LVS EN 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
79253LVS EN ISO 11265:2025Environmental solid matrices - Determination of the specific electrical conductivity (ISO 11265:2025)Standarts spēkā
70837LVS EN ISO 11267:2023Soil quality - Inhibition of reproduction of Collembola (Folsomia candida) by soil contaminants (ISO 11267:2023)Standarts spēkā
70506EN ISO 17155:2020Soil quality - Determination of abundance and activity of soil microflora using respiration curves (ISO 17155:2012)Standarts spēkā
70838LVS EN ISO 16387:2023Soil quality - Effects of contaminants on Enchytraeidae (Enchytraeus sp.) - Determination of effects on reproduction (ISO 16387:2023)Standarts spēkā
78047prEN ISO 25652Sediment, Soil, sludge and waste - Analysis of PFAS by HPLC and mass spectrometry(ISO/DIS 25652:2025)Aptauja slēgta
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