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 |
| 68111 | LVS EN ISO 11063:2021 | Soil quality - Direct extraction of soil DNA (ISO 11063:2020) | Standarts spēkā |
| 75902 | LVS EN ISO 15799:2023 | Soil quality - Guidance on the ecotoxicological characterization of soils and soil materials (ISO 15799:2019) | Standarts spēkā |
| 70503 | 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 |
| 75898 | LVS EN ISO 19204:2023 | Soil quality - Procedure for site-specific ecological risk assessment of soil contamination (soil quality TRIAD approach) (ISO 19204:2017) | Standarts spēkā |
| 76892 | LVS EN ISO 18227:2025 | Environmental solid matrices - Determination of elemental composition by X-ray fluorescence spectrometry (ISO 18227:2025) | Standarts spēkā |
| 66280 | LVS EN ISO 16558-1:2016/A1:2020 | Soil quality - Risk-based petroleum hydrocarbons - Part 1: Determination of aliphatic and aromatic fractions of volatile petroleum hydrocarbons using gas chromatography (static headspace method) - Amendment 1 (ISO 16558-1:2015/Amd 1:2020) | 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 |
| 72874 | LVS CEN/TS 17847:2022 | Characterization of waste - Determination of selected low boiling point alcohols using gas chromatography with flame ionization detection after static head-space extraction (HS-GC-FID) | Standarts spēkā |
| 70232 | LVS EN 17516:2023 | Waste - Characterization of granular solids with potential for use as construction material - Compliance leaching test - Up-flow percolation test | Standarts spēkā |
Displaying 111-120 of 360 results.