CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10993 | EN ISO 9963-1:1995 | Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity (ISO 9963-1:1994) | Izstrādē |
| 11101 | prEN ISO 15681-1 | Water quality - Determination of phosphate and total phosphorus contents by flow analysis (FIA and CFA) - Part 1: Method by FIA | Izstrādē |
| 63219 | EN ISO 7027-2:2019 | Water quality - Determination of turbidity - Part 2: Semi-quantitative methods for the assessment of transparency of waters (ISO 7027-2:2019) | Izstrādē |
| 26355 | EN ISO 15839:2006 | Water quality - On-line sensors/analysing equipment for water - Specifications and performance tests (ISO 15839:2003) | Izstrādē |
| 10983 | EN 27888:1993 | Water quality - Determination of electrical conductivity (ISO 7888:1985) | Izstrādē |
| 26423 | EN ISO 20079:2006 | Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005) | Izstrādē |
| 26360 | EN ISO 18857-1:2006 | Water quality - Determination of selected alkylphenols - Part 1: Method for non-filtered samples using liquid-liquid extraction and gas chromatography with mass selective detection (ISO 18857-1:2005) | Izstrādē |
| 10976 | EN ISO 9887:1994 | Water quality - Evaluation of the aerobic biodegradability of organic compounds in an aqueous medium - Semi-continuous activated sludge method (SCAS) (ISO 9887:1992) | Izstrādē |
| 10974 | EN 26461-2:1993 | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 2: Method by membrane filtration (ISO 6461-2:1986) | Izstrādē |
| 11007 | EN 25663:1993 | Water quality - Determination of Kjeldahl nitrogen - Method after mineralization with selenium (ISO 5663:1984) | Izstrādē |
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