CEN/TC 444

Registration number (WIID)Project No.TitleStatus
70497LVS EN ISO 15685:2020Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation (ISO 15685:2012)Standarts spēkā
76065LVS EN ISO 16965:2025Environmental solid matrices - Determination of elements using inductively coupled plasma mass spectrometry (ICP-MS) (ISO 16965:2025)Standarts spēkā
68016LVS EN 17505:2023Soil and waste characterization - Temperature dependent differentiation of total carbon (TOC400, ROC, TIC900)Standarts spēkā
39490EN ISO 16198:2015Soil quality - Plant-based test to assess the environmental bioavailability of trace elements to plants (ISO 16198:2015)Standarts spēkā
59885LVS EN ISO 21268-2:2020Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like material - Part 2: Batch test using a liquid to solid ratio of 10 l/kg dry matter (ISO 21268-2:2019)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
70231LVS EN 16166:2022Soil, treated biowaste and sludge - Determination of adsorbed organically bound halogens (AOX)Standarts spēkā
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
70501LVS EN ISO 21285:2020Soil quality - Inhibition of reproduction of the soil mite (Hypoaspis aculeifer) by soil contaminants (ISO 21285:2019)Standarts spēkā
70233EN 15936:2022Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustionStandarts spēkā
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