CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 10986 | EN ISO 7827:1995 | Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of dissolved organic carbon (DOC) (ISO 7827:1994) | Atcelts |
| 10982 | EN ISO 7887:1994 | Water quality - Examination and determination of colour (ISO 7887:1994) | Atcelts |
| 29946 | EN ISO 7887:2011 | Water quality - Examination and determination of colour (ISO/DIS 7887:2009) | Izstrādē |
| 10999 | EN ISO 7899-1:1998 | Water quality - Detection and enumeration of intestinal enterococci in surface and wastewater - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 7899-1:1998) | Izstrādē |
| 11125 | EN ISO 7899-1:1998/AC:2000 | Water quality - Detection and enumeration of intestinal enterococci in surface and wastewater - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 7899-1:1998) | Izstrādē |
| 11035 | EN ISO 7899-2:2000 | Water quality - Detection and enumeration of intestinal enterococci - Part 2: Membrane filtration method (ISO 7899-2:2000) | Izstrādē |
| 78021 | EN ISO 7899-3:2025 | Water quality - Enumeration of intestinal enterococci - Part 3: Most probable number method (ISO 7899‑3:2025) | Standarts spēkā |
| 11087 | EN ISO 7980:2000 | Water quality - Determination of calcium and magnesium - Atomic absorption spectrometric method (ISO 7980:1986) | Izstrādē |
| 11008 | EN ISO 8192:1995 | Water quality - Test for the inhibition of oxygen consumption by activated sludge (ISO 8192:1986) | Atcelts |
| 25492 | EN ISO 8192:2007 | Water quality - Test for inhibition of oxygen consumption by activated sludge for carbonaceous and ammonium oxidation (ISO 8192:2007) | Izstrādē |
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