CEN/TC 444

Registration number (WIID)Project No.TitleStatus
70494LVS EN ISO 21286:2020Soil quality - Identification of ecotoxicological test species by DNA barcoding (ISO 21286:2019)Standarts spēkā
70506LVS EN ISO 17155:2020Soil quality - Determination of abundance and activity of soil microflora using respiration curves (ISO 17155:2012)Standarts spēkā
59676CEN/TS 17943:2023Characterization of waste - Guidance on the determination of the content of elements and substances in wasteStandarts spēkā
64014LVS EN ISO 23611-3:2020Soil quality - Sampling of soil invertebrates - Part 3: Sampling and extraction of enchytraeids (ISO 23611-3:2019)Standarts spēkā
59886LVS EN ISO 21268-3:2020Soil quality - Leaching procedures for subsequent chemical and ecotoxicological testing of soil and soil-like materials - Part 3: Up-flow percolation test (ISO 21268-3:2019)Standarts spēkā
70504LVS EN ISO 11266:2020Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under aerobic conditions (ISO 11266:1994)Standarts spēkā
70497LVS EN ISO 15685:2020Soil quality - Determination of potential nitrification and inhibition of nitrification - Rapid test by ammonium oxidation (ISO 15685:2012)Standarts spēkā
76291LVS EN ISO 23611-5:2024Soil quality - Sampling of soil invertebrates - Part 5: Sampling and extraction of soil macro-invertebrates (ISO 23611-5:2024)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
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