CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 80853 | prEN ISO 15799 rev | Soil quality — Guidance on the ecotoxicological characterization of soils and soil materials | Izstrādē |
| 76939 | prEN ISO 15192 | Soil and waste - Determination of Chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrometric detection (ISO/DIS 15192:2023) | Aptauja slēgta |
| 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 |
| 79453 | prEN ISO 11465 | Sludge, treated biowaste, soil and waste - Determination of dry residue or water content and calculation of the dry matter fraction on a mass basis (ISO/DIS 11465:2024) | 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 |
| 79253 | prEN ISO 11265 | Environmental solid matrices - Determination of the specific electrical conductivity (ISO/DIS 11265:2024) | Izstrādē |
| 78904 | prEN 23611-6 rev | Soil quality — Sampling of soil invertebrates — Part 6: Guidance for the design of sampling programmes with soil invertebrates | Izstrādē |
| 76389 | prEN 15309 rev | Environmental solid matrices – Determination of elemental composition by X-ray fluorescence spectrometry | Izstrādē |
Displaying 11-20 of 338 results.