CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 67822 | LVS EN ISO 54321:2021 | Soil, treated biowaste, sludge and waste - Digestion of aqua regia soluble fractions of elements (ISO 54321:2020) | Standarts spēkā |
| 79201 | prCEN ISO/TS 21251 | Guidance for estimating organic carbon stocks in soils according to their biogeochemical stability or or residence time | Izstrādē |
| 74643 | prCEN/TR 16110 rev | Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste | Izstrādē |
| 69685 | prCEN/TR 16110 rev | Characterization of waste - Guidance on the use of ecotoxicity tests applied to waste | Izstrādē |
| 76389 | prEN 15309 rev | Environmental solid matrices – Determination of elemental composition by X-ray fluorescence spectrometry | Izstrādē |
| 82883 | prEN ISO 10693 rev | Soil quality — Determination of carbonate content — Volumetric method | Izstrādē |
| 83081 | prEN ISO 11074 rev | Soil quality — Vocabulary | 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 |
| 82882 | prEN ISO 11461 rev | Soil quality — Determination of soil water content as a volume fraction using coring sleeves — Gravimetric method | 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 |
Displaying 331-340 of 354 results.