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 |
| 62443 | EN 17136:2019 | Water quality - Guidance on field and laboratory procedures for quantitative analysis and identification of macroinvertebrates from inland surface waters | Izstrādē |
| 75672 | prEN 13946 rev | Water quality - Guidance for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 32516 | EN 15708:2009 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Izstrādē |
| 29946 | EN ISO 7887:2011 | Water quality - Examination and determination of colour (ISO/DIS 7887:2009) | Izstrādē |
| 36147 | EN 14184:2014 | Water quality - Guidance for the surveying of aquatic macrophytes in running waters | Izstrādē |
| 36151 | EN 16870:2017 | Water quality - Guidance standard on determining the degree of modification of lake hydromorphology | Izstrādē |
| 34747 | prEN 16694 | Water quality - Determination of selected polybrominated diphenly ether (PBDE) in whole water samples - Method using solid phase extraction (SPE) with SPE-disks combined with gas chromatography - mass spectrometry (GC-MS) | Izstrādē |
| 11108 | EN ISO 17353:2005 | Water quality - Determination of selected organotin compounds - Gas chromatographic method (ISO 17353:2004) | Izstrādē |
| 10973 | EN 26461-1:1993 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium (ISO 6461-1:1986) | Izstrādē |
Displaying 201-210 of 814 results.