CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62535 | EN ISO 17601:2018 | Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative PCR from DNA directly extracted from soil (ISO 17601:2016) | 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 |
| 70236 | LVS CEN/TS 16800:2021 | Guideline for the validation of physico-chemical analytical methods | Standarts spēkā |
| 75004 | LVS EN ISO 18187:2024 | Soil quality - Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis (ISO 18187:2024) | Standarts spēkā |
| 78147 | LVS CEN/TS 17883:2024 | Environmental characterization of eluates from leaching of waste and soil using reproductive and toxicological gene expression in Daphnia magna | Standarts spēkā |
| 70495 | LVS EN ISO 21479:2020 | Soil quality - Determination of the effects of pollutants on soil flora - Leaf fatty acid composition of plants to assess soil quality (ISO 21479:2019) | Standarts spēkā |
| 59676 | LVS CEN/TS 17943:2023 | Characterization of waste - Guidance on the determination of the content of elements and substances in 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 |
| 78146 | LVS CEN/TR 16110:2024 | Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste | Standarts spēkā |
| 81085 | LVS EN ISO 18475:2025 | Environmental solid matrices - Determination of polychlorinated biphenyls (PCB) by gas chromatography - mass selective detection (GC-MS) or electron-capture detection (GC-ECD) (ISO 18475:2023) |
Displaying 331-340 of 340 results.