CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70844 | LVS EN ISO 23753-2:2019/A1:2021 | Soil quality - Determination of dehydrogenases activity in soils - Part 2: Method using iodotetrazolium chloride (INT) - Amendment 1 (ISO 23753-2:2019/Amd 1:2020) | Standarts spēkā |
| 69070 | LVS EN ISO 11916-3:2022 | Soil quality - Determination of selected explosives and related compounds - Part 3: Method using liquid chromatography-tandem mass spectrometry (LC-MS/MS) (ISO 11916-3:2021) | Standarts spēkā |
| 67819 | LVS EN 15216:2022 | Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates | 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 |
| 69686 | LVS EN 17503:2022 | Soil, sludge, treated biowaste and waste - Determination of polycyclic aromatic hydrocarbons (PAH) by gas chromatography (GC) and high performance liquid chromatography (HPLC) | Standarts spēkā |
| 41214 | CEN ISO/TS 29843-1:2014 | Soil quality - Determination of soil microbial diversity - Part 1: Method by phospholipid fatty acid analysis (PLFA) and phospholipid ether lipids (PLEL) analysis (ISO/TS 29843-1:2010) | Standarts spēkā |
| 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 |
| 80860 | prEN ISO 21285 | Soil quality - Inhibition of reproduction of the soil mite (Hypoaspis (Gaeolaelaps) aculeifer) by soil contaminants (ISO/DIS 21285:2025) | Aptauja slēgta |
| 80853 | prEN ISO 15799 | Soil quality - Guidance on the ecotoxicological characterization of soils and soil materials (ISO/DIS 15799:2025) | Aptauja slēgta |
| 78047 | prEN ISO 25652 | Sediment, Soil, sludge and waste - Analysis of PFAS by HPLC and mass spectrometry(ISO/DIS 25652:2025) | Aptauja slēgta |
Displaying 121-130 of 360 results.