CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 82881 | prEN ISO 17184 rev | Soil quality — Determination of carbon and nitrogen by near-infrared spectrometry (NIRS) | 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 |
| 61165 | prEN ISO 16072 rev | Soil quality -- Laboratory methods for determination of microbial soil respiration | Izstrādē |
| 81914 | prEN ISO 15936 | Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion (ISO/DIS 15936:2025) | Aptauja |
| 80853 | prEN ISO 15799 rev | Soil quality — Guidance on the ecotoxicological characterization of soils and soil materials | Izstrādē |
| 76894 | prEN ISO 13196 | Soil quality - Screening soils for selected elements by energy-dispersive X-ray fluorescence spectrometry using a handheld or portable instrument (ISO/DIS 13196:2025) | Aptauja slēgta |
| 82882 | prEN ISO 11461 rev | Soil quality — Determination of soil water content as a volume fraction using coring sleeves — Gravimetric method | Izstrādē |
| 81824 | prEN ISO 11268-1 rev | Soil quality — Effects of pollutants on earthworms — Part 1: Determination of acute toxicity to Eisenia fetida/Eisenia andrei | Izstrādē |
| 83081 | prEN ISO 11074 rev | Soil quality — Vocabulary | Izstrādē |
| 82883 | prEN ISO 10693 rev | Soil quality — Determination of carbonate content — Volumetric method | Izstrādē |
Displaying 11-20 of 353 results.