CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 61165 | prEN ISO 16072 rev | Soil quality -- Laboratory methods for determination of microbial soil respiration | Izstrādē |
| 78973 | prEN ISO 16703 | Environmental Solid Matrices - Determination of hydrocarbon content in the range of C10 to C40 by gas chromatography (ISO/DIS 16703:2024) | Aptauja slēgta |
| 82881 | prEN ISO 17184 rev | Soil quality — Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) | Izstrādē |
| 77796 | prEN ISO 19204 rev | Soil quality - Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach) | Izstrādē |
| 79201 | prEN ISO 21251 | Guidance for estimating organic carbon stocks in soils according to their biogeochemical stability or or residence time | Izstrādē |
| 80860 | prEN ISO 21285 rev | Soil quality — Inhibition of reproduction of the soil mite (Hypoaspis aculeifer) by soil contaminants | Izstrādē |
| 78974 | prEN ISO 22155 rev | Soil quality — Gas chromatographic determination of volatile aromatic and halogenated hydrocarbons and selected ethers — Static headspace method | Izstrādē |
| 61641 | prEN ISO 23161 | Soil quality - Determination of selected organotin compounds - Gas-chromatographic method (ISO/FDIS 23161:2016) | Izstrādē |
| 82524 | prEN ISO 23161 rev | Soil quality — Determination of selected organotin compounds — Gas-chromatographic method | Izstrādē |
| 78902 | prEN ISO 23611-1 | Soil quality - Sampling of soil invertebrates - Part 1: Hand-sorting and extraction of earthworms (ISO/DIS 23611-1:2025) | Aptauja slēgta |
Displaying 341-350 of 353 results.