CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 35431 | EN ISO 14240-1:2011 | Soil quality - Determination of soil microbial biomass - Part 1: Substrate-induced respiration method (ISO 14240-1:1997) | Standarts spēkā |
| 67821 | EN 15935:2021 | Soil, waste, treated biowaste and sludge - Determination of loss on ignition | Standarts spēkā |
| 76892 | EN ISO 18227:2025 | Environmental solid matrices - Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025) | Standarts spēkā |
| 66280 | LVS EN ISO 16558-1:2016/A1:2020 | Soil quality - Risk-based petroleum hydrocarbons - Part 1: Determination of aliphatic and aromatic fractions of volatile petroleum hydrocarbons using gas chromatography (static headspace method) - Amendment 1 (ISO 16558-1:2015/Amd 1:2020) | Standarts spēkā |
| 70498 | EN ISO 17512-2:2020 | Soil quality - Avoidance test for determining the quality of soils and effects of chemicals on behaviour - Part 2: Test with collembolans (Folsomia candida) (ISO 17512-2:2011) | Standarts spēkā |
| 76291 | EN ISO 23611-5:2024 | Soil quality - Sampling of soil invertebrates - Part 5: Sampling and extraction of soil macro-invertebrates (ISO 23611-5:2024) | Standarts spēkā |
| 75902 | EN ISO 15799:2022 | Soil quality - Guidance on the ecotoxicological characterization of soils and soil materials (ISO 15799:2019) | Standarts spēkā |
| 65200 | EN ISO 23161:2018 | Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO/DIS 23161:2017) | 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 |
| 79253 | LVS EN ISO 11265:2025 | Environmental solid matrices - Determination of the specific electrical conductivity (ISO 11265:2025) | Standarts spēkā |
Displaying 31-40 of 360 results.