CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70233 | LVS EN 15936:2022 | Soil, waste, treated biowaste and sludge - Determination of total organic carbon (TOC) by dry combustion | Standarts spēkā |
| 70503 | LVS EN ISO 20130:2020 | Soil quality - Measurement of enzyme activity patterns in soil samples using colorimetric substrates in micro-well plates (ISO 20130:2018) | Standarts spēkā |
| 75004 | EN ISO 18187:2024 | Soil quality - Contact test for solid samples using the dehydrogenase activity of Arthrobacter globiformis (ISO 18187:2024) | Standarts spēkā |
| 69000 | LVS EN ISO 23611-4:2022 | Soil quality - Sampling of soil invertebrates - Part 4: Sampling, extraction and identification of soil-inhabiting nematodes (ISO 23611-4:2022) | Standarts spēkā |
| 74645 | LVS EN ISO 22036:2024 | Environmental solid matrices - Determination of elements using inductively coupled plasma optical emission spectrometry (ICP-OES) (ISO 22036:2024) | Standarts spēkā |
| 75901 | LVS EN ISO 17616:2023 | Soil quality - Guidance on the choice and evaluation of bioassays for ecotoxicological characterization of soils and soil materials (ISO 17616:2019) | Standarts spēkā |
| 76290 | LVS EN ISO 23611-2:2024 | Soil quality - Sampling of soil invertebrates - Part 2: Sampling and extraction of micro-arthropods (Collembola and Acarina) (ISO 23611-2:2024) | Standarts spēkā |
| 79453 | 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 |
| 70241 | LVS EN ISO 10390:2022 | Soil, treated biowaste and sludge - Determination of pH (ISO 10390:2021) | Standarts spēkā |
| 70500 | LVS EN ISO 14239:2020 | Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017) | Standarts spēkā |
Displaying 41-50 of 362 results.