CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 39651 | EN ISO 10693:2014 | Soil quality - Determination of carbonate content - Volumetric method (ISO 10693:1995) | 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 |
| 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 |
| 75902 | LVS EN ISO 15799:2023 | Soil quality - Guidance on the ecotoxicological characterization of soils and soil materials (ISO 15799:2019) | 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 |
| 67208 | LVS EN ISO 12404:2021 | Soil and waste - Guidance on the selection and application of screening methods (ISO 12404:2021) | Standarts spēkā |
| 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 |
| 70494 | LVS EN ISO 21286:2020 | Soil quality - Identification of ecotoxicological test species by DNA barcoding (ISO 21286:2019) | Standarts spēkā |
| 79253 | LVS EN ISO 11265:2025 | Environmental solid matrices - Determination of the specific electrical conductivity (ISO 11265:2025) | Standarts spēkā |
| 79453 | LVS 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 281-290 of 354 results.