CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 11007 | EN 25663:1993 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984) | Izstrādē |
| 35023 | EN ISO 9308-1:2014 | Water quality - Enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method for waters with low bacterial background flora (ISO 9308-1:2014) | Izstrādē |
| 11106 | EN ISO 16264:2004 | Water quality - Determination of soluble silicates by flow analysis (FIA and CFA) and photometric detection (ISO 16264:2002) | Izstrādē |
| 11121 | EN 14962:2006 | Water quality - Guidance on the scope and selection of fish sampling methods | Izstrādē |
| 11090 | EN ISO 15587-2:2002 | Water quality - Digestion for the determination of selected elements in water - Part 2: Nitric acid digestion (ISO 15587-2:2002) | Izstrādē |
| 11098 | prEN 26461-2:1993 rev | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration | Izstrādē |
| 21718 | EN ISO 17495:2003 | Water quality - Determination of selected nitrophenols - Method by solid-phase extraction and gas chromatography with mass spectrometric detection (ISO 17495:2001) | Izstrādē |
| 21715 | EN ISO 15913:2003 | Water quality - Determination of selected phenoxyalkanoic herbicides, including bentazones and hydroxybenzonitriles by gas chromatography and mass spectrometry after solid phase extraction and derivatization (ISO 15913:2000) | Izstrādē |
| 75415 | prEN ISO 20596-2 | Water quality - Determination of cyclic volatile methylsiloxanes in water - Part 2: Method using liquid-liquid extraction with gas chromatography-mass spectrometry (GC-MS) (ISO 20596-2:2021) | Izstrādē |
| 29987 | EN ISO 10870:2012 | Water quality - Guidelines for the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO/DIS 10870:2010) | Izstrādē |
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