CEN/TC 223
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 70758 | prEN 18255 | Soil improvers and growing media - Determination of organic nitrogen | Izstrādē |
| 70768 | prEN 18258 | Soil improvers and growing media - Determination of the mercury content | Izstrādē |
| 70767 | prEN 18257 | Soil improvers and growing media - Determination of chromium(VI) | Izstrādē |
| 70757 | prEN 18280 | Soil improvers and growing media - Enumeration of Escherichia coli | Izstrādē |
| 69622 | EN 15238:2022 | Soil improvers and growing media - Determination of quantity for materials with particle size greater than 60 mm | Izstrādē |
| 27080 | CEN/TS 16202:2013 | Sludge, treated biowaste and soil - Determination of impurities and stones | Izstrādē |
| 29353 | - | Soil improvers and growing media - Extraction of nitric acid soluble elements | Izstrādē |
| 10324 | - | Soil improvers and growing media - Determination after extraction by water - Part 3: Determination of nitrate nitrogen content | Izstrādē |
| 10325 | - | Soil improvers and growing media - Determination after extraction by ammonium acetate - Part 1: Determination of phosphorus | Izstrādē |
| 10372 | - | Soil improvers and growing media - Determination of lindane content | Izstrādē |
Displaying 31-40 of 159 results.