CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 69000 | LVS EN ISO 23611-4:2022 | Soil quality - Sampling of soil invertebrates - Part 4: Sampling, extraction and identification of soil-inhabiting nematodes (ISO 23611-4:2022) | Standarts spēkā |
| 75902 | LVS EN ISO 15799:2023 | Soil quality - Guidance on the ecotoxicological characterization of soils and soil materials (ISO 15799:2019) | Standarts spēkā |
| 75898 | LVS EN ISO 19204:2023 | Soil quality - Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach) (ISO 19204:2017) | Standarts spēkā |
| 70868 | LVS CEN ISO/TS 29843-2:2021 | Soil quality - Determination of soil microbial diversity - Part 2: Method by phospholipid fatty acid analysis (PLFA) using the simple PLFA extraction method (ISO/TS 29843-2:2021) | Standarts spēkā |
| 70722 | LVS EN ISO 23266:2021 | Soil quality - Test for measuring the inhibition of reproduction in oribatid mites (Oppia nitens) exposed to contaminants in soil (ISO 23266:2020) | Standarts spēkā |
| 70234 | LVS EN 14735:2022 | Characterization of waste - Preparation of waste samples for ecotoxicity tests | Standarts spēkā |
| 78146 | LVS CEN/TR 16110:2024 | Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste | Standarts spēkā |
| 70838 | LVS EN ISO 16387:2023 | Soil quality - Effects of contaminants on Enchytraeidae (Enchytraeus sp.) - Determination of effects on reproduction (ISO 16387:2023) | Standarts spēkā |
| 70839 | LVS EN ISO 23753-1:2019/A1:2021 | Soil quality - Determination of dehydrogenases activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) - Amendment 1 (ISO 23753-1:2019/Amd 1:2020) | Standarts spēkā |
| 79453 | EN ISO 11465:2025 | Sludge 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 51-60 of 362 results.