CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70500 | LVS EN ISO 14239:2020 | Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017) | Standarts spēkā |
| 67208 | LVS EN ISO 12404:2021 | Soil and waste - Guidance on the selection and application of screening methods (ISO 12404:2021) | Standarts spēkā |
| 68059 | LVS EN 13656:2021 | Soil, treated biowaste, sludge and waste - Digestion with a hydrochloric (HCl), nitric (HNO3) and tetrafluoroboric (HBF4) or hydrofluoric (HF) acid mixture for subsequent determination of elements | Standarts spēkā |
| 78905 | LVS EN ISO 17601:2025 | Soil quality - Estimation of abundance of selected microbial gene sequences by quantitative polymerase chain reaction (qPCR) from DNA directly extracted from soil (ISO 17601:2025) | 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 |
Displaying 251-260 of 354 results.