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 |
| 11071 | EN ISO 9888:1999 | Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO 9888:1999) | Izstrādē |
| 10993 | EN ISO 9963-1:1995 | Water quality - Determination of alkalinity - Part 1: Determination of total and composite alkalinity (ISO 9963-1:1994) | Izstrādē |
| 11047 | EN ISO 9963-2:1995 | Water quality - Determination of alkalinity - Part 2: Determination of carbonate alkalinity (ISO 9963-2:1994) | Izstrādē |
| 10996 | ENV 12260:1996 | Water quality - Determination of nitrogen - Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection | Atcelts |
| 11005 | ENV ISO 13530:1998 | Water quality - Guide to analytical quality control for water analysis (ISO/TR 13530:1997) | Atcelts |
| 11110 | ENV ISO 13843:2001 | Water quality - Guidance on validation of microbiological methods (ISO/TR 13843:2000) | Atcelts |
| 79409 | FprEN 13946 | Water quality - Guidance standard for the routine sampling and preparation of benthic diatoms from rivers and lakes | Izstrādē |
| 79410 | FprEN 15843 | Water quality - Guidance standard on determining the degree of modification of river hydromorphology | Izstrādē |
| 78134 | FprEN 18025 | Water quality - Guidance standard on a strategic approach to river restoration | Izstrādē |
Displaying 371-380 of 800 results.