CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 76483 | prEN ISO 16094-1 | Water quality -- Analysis of plastics in water -- Part 1: General and sampling | Izstrādē |
| 32516 | EN 15708:2009 | Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water | Izstrādē |
| 22919 | EN 1622:2006 | Water quality - Determination of the threshold odour number (TON) and threshold flavour number (TFN) | Izstrādē |
| 76867 | EN ISO 23196:2023 | Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022) | Izstrādē |
| 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 |
| 35039 | prEN ISO 8689-1 rev | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates | Izstrādē |
| 67612 | EN ISO 22908:2020 | Water quality - Radium 226 and Radium 228 - Test method using liquid scintillation counting (ISO 22908:2020) | Izstrādē |
| 80201 | prEN ISO 11704 rev | Water quality — Gross alpha and gross beta activity — Test method using liquid scintillation counting | Izstrādē |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 34757 | EN 16698:2015 | Water quality - Guidance on quantitative and qualitative sampling of phytoplankton from inland waters | Izstrādē |
Displaying 641-650 of 801 results.