CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 35432 | EN ISO 14240-2:2011 | Soil quality - Determination of soil microbial biomass - Part 2: Fumigation-extraction method (ISO 14240-2:1997) | Izstrādē |
| 58876 | EN ISO 15009:2016 | Soil quality - Gas chromatographic determination of the content of volatile aromatic hydrocarbons, naphthalene and volatile halogenated hydrocarbons - Purge-and-trap method with thermal desorption (ISO/DIS 15009:2014) | Izstrādē |
| 70722 | EN ISO 23266:2021 | Soil quality - Test for measuring the inhibition of reproduction in oribatid mites (Oppia nitens) exposed to contaminants in soil (ISO 23266:2020) | Izstrādē |
| 29714 | CEN/TS 16229:2011 | Characterization of waste - Sampling and Analysis of weak acid dissociable cyanide discharged into tailings ponds | Izstrādē |
| 35861 | EN ISO 12782-5:2012 | Soil quality - Parameters for geochemical modelling of leaching and specification of constituents in soils and materials - Part 5: Extraction of humic substances from aqueous samples (ISO/DIS 12782-5:2010) | Izstrādē |
| 38922 | EN ISO 11275:2014 | Soil quality - Determination of unsaturated hydraulic conductivity and water-retention characteristic - Wind's evaporation method (ISO 11275:2004) | Izstrādē |
| 61682 | EN ISO 23753-1:2019 | Soil quality - Determination of dehydrogenase activity in soils - Part 1: Method using triphenyltetrazolium chloride (TTC) (ISO/DIS 23753-1:2017) | Izstrādē |
| 67819 | EN 15216:2021 | Environmental matrices - Determination of total dissolved solids (TDS) in water and eluates - Complementary element | Izstrādē |
| 39445 | EN 14429:2015 | Characterization of waste - Leaching behaviour test - Influence of pH on leaching with initial acid/base addition | Izstrādē |
| 78902 | FprEN ISO 23611-1 | Soil quality - Sampling of soil invertebrates - Part 1: Hand-sorting and extraction of earthworms (ISO/FDIS 23611-1:2026) | Izstrādē |
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