CEN/TC 444
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70500 | EN ISO 14239:2020 | Soil quality - Laboratory incubation systems for measuring the mineralization of organic chemicals in soil under aerobic conditions (ISO 14239:2017) | Izstrādē |
| 35431 | EN ISO 14240-1:2011 | Soil quality - Determination of soil microbial biomass - Part 1: Substrate-induced respiration method (ISO 14240-1:1997) | Izstrādē |
| 35432 | EN ISO 14240-2:2011 | Soil quality - Determination of soil microbial biomass - Part 2: Fumigation-extraction method (ISO 14240-2:1997) | Izstrādē |
| 35433 | EN ISO 14254:2011 | Soil quality - Determination of exchangeable acidity in barium chloride extracts (ISO 14254:2001) | Atcelts |
| 59971 | EN ISO 14254:2018 | Soil quality - Determination of exchangeable acidity using barium chloride solution as extractant (ISO 14254:2018) | 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 15009:2016) | Izstrādē |
| 59887 | EN ISO 15175:2018 | Soil quality - Characterization of contaminated soil related to groundwater protection (ISO 15175:2018) | Izstrādē |
| 67820 | EN ISO 15192:2021 | Soil and waste - Determination of Chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrophotometric detection (ISO 15192:2021) | Atcelts |
| 76939 | EN ISO 15192:2025 | Soil and waste - Determination of chromium(VI) in solid material by alkaline digestion and ion chromatography with spectrophotometric detection (ISO 15192:2025) | Standarts spēkā |
| 70499 | EN ISO 15473:2020 | Soil quality - Guidance on laboratory testing for biodegradation of organic chemicals in soil under anaerobic conditions (ISO 15473:2002) | Izstrādē |
Displaying 171-180 of 353 results.