CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 60334 | EN ISO 20227:2017 | Water quality - Determination of the growth inhibition effects of waste waters, natural waters and chemicals on the duckweed Spirodela polyrhiza - Method using a stock culture independent microbiotest (ISO 20227:2017) | Izstrādē |
| 22919 | EN 1622:2006 | Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN) | Izstrādē |
| 32516 | EN 15708:2009 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Izstrādē |
| 36146 | EN 13946:2014 | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 36147 | EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Izstrādē |
| 29946 | EN ISO 7887:2011 | Water quality - Examination and determination of colour (ISO/DIS 7887:2009) | Izstrādē |
| 75672 | prEN 13946 rev | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 11041 | EN ISO 10304-3:1997 | Water quality - Determination of dissolved anions by liquid chromatography of ions - Part 3: Determination of chromate, iodide, sulfite, thiocyanate and thiosulfate (ISO 10304-3:1997) | Izstrādē |
| 62443 | EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | Izstrādē |
| 71704 | EN ISO 5667-6:2016/A11:2020 | Water quality - Sampling - Part 6: Guidance on sampling of rivers and streams (ISO 5667-6:2014) | Izstrādē |
Displaying 671-680 of 792 results.