CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 28151 | EN ISO 8199:2007 | Water quality - General guidance on the enumeration of micro-organisms by culture (ISO 8199:2005) | Atcelts |
| 40875 | EN ISO 8199:2018 | Water quality - General requirements and guidance for microbiological examinations by culture (ISO 8199:2018) | Izstrādē |
| 10992 | EN ISO 8467:1995 | Water quality - Determination of permanganate index (ISO 8467:1993) | Izstrādē |
| 11045 | EN ISO 8689-1:2000 | Water quality - Biological classification of rivers - Part 1: Guidance on the interpretation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-1:2000) | Izstrādē |
| 11058 | EN ISO 8689-2:2000 | Water quality - Biological classification of rivers - Part 2: Guidance on the presentation of biological quality data from surveys of benthic macroinvertebrates (ISO 8689-2:2000) | Izstrādē |
| 11099 | EN ISO 8692:2004 | Water quality - Freshwater algal growth inhibition test with unicellular green algae (ISO 8692:2004) | Atcelts |
| 33113 | EN ISO 8692:2012 | Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO 8692:2012) | Izstrādē |
| 10971 | EN ISO 9308-1:2000 | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 1: Membrane filtration method (ISO 9308-1:2000) | Atcelts |
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