CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 62542 | EN 17204:2019 | Water quality - Guidance on analysis of mesozooplankton from marine and brackish water | Izstrādē |
| 34758 | EN 15910:2014 | Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods | Izstrādē |
| 41270 | EN ISO 7393-2:2018 | Water quality - Determination of free chlorine and total chlorine - Part 2: Colorimetric method using N,N-diethyl-1,4-phenylenediamine, for routine control purposes (ISO/DIS 7393-2:2017) | Izstrādē |
| 80201 | prEN ISO 11704 | Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting (ISO/DIS 11704:2025) | Izstrādē |
| 20965 | EN ISO 9509:2006 | Water quality - Toxicity test for assessing the inhibition of nitrification of activated sludge microorganisms (ISO 9509:2006) | Izstrādē |
| 39032 | EN 14757:2015 | Water quality - Sampling of fish with multi-mesh gillnets | 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 |
| 23988 | prEN ISO 16712 | Water quality - Determination of acute toxicity of marine or estuarine sediments to amphipods (ISO 16712) | Izstrādē |
| 31702 | EN ISO 12846:2012 | Water quality - Determination of mercury - Method using atomic absorption spectrometry (AAS) with and without enrichment (ISO/DIS 12846:2010) | Izstrādē |
| 59274 | EN ISO 5667-14:2016 | Water quality - Sampling - Part 14: Guidance on quality assurance and quality control of environmental water sampling and handling (ISO 5667-14:2014) | Izstrādē |
Displaying 771-780 of 841 results.