CEN/TC 230
| Registration number (WIID) | Project No. | Title | Status |
|---|---|---|---|
| 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 |
| 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 |
| 24737 | EN ISO 14593:2005 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO2 headspace test) (ISO 14593:1999) | Izstrādē |
| 10964 | EN ISO 6222:1999 | Water quality - Enumeration of culturable micro-organisms - Colony count by inoculation in a nutrient agar culture medium (ISO 6222:1999) | Izstrādē |
| 11046 | EN ISO 9308-3:1998 | Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and wastewater - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 9308-3:1998) | Izstrādē |
| 11013 | prEN ISO 6340 | Water quality - Detection of Salmonella species (ISO 6340:1995) | 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 |
| 23981 | EN 14996:2006 | Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment | Izstrādē |
| 11097 | prEN 26461-1:1993 rev | Water quality - Detection and enumeration of the spores of sulfite-reducing anaerobes (clostridia) - Part 1: Method by enrichment in a liquid medium | Izstrādē |
| 76867 | EN ISO 23196:2023 | Water quality - Calculation of biological equivalence (BEQ) concentrations (ISO 23196:2022) | Izstrādē |
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