CEN/TC 230
Registration number (WIID) | Project No. | Title | Status |
---|---|---|---|
23989 | prEN ISO 20079 | Water quality - Determination of the toxic effect of water constituents and waste water to duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079) | Izstrādē |
23988 | prEN ISO 16712 | Water quality - Determination of acute toxicity of marine or estuarine sediments to amphipods (ISO 16712) | Izstrādē |
23981 | LVS EN 14996:2006 | Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment | Standarts spēkā |
23981 | EN 14996:2006 | Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment | Izstrādē |
23980 | LVS EN 15110:2006 | Water quality - Guidance standard for the sampling of zooplankton from standing waters | Standarts spēkā |
23980 | EN 15110:2006 | Water quality - Guidance standard for the sampling of zooplankton from standing waters | Izstrādē |
23844 | LVS EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Standarts spēkā |
23844 | EN 15204:2006 | Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique) | Izstrādē |
23247 | LVS EN ISO 19458:2006 | Water quality - Sampling for microbiological analysis | Standarts spēkā |
23247 | EN ISO 19458:2006 | Water quality - Sampling for microbiological analysis (ISO 19458:2006) | Izstrādē |
Displaying 451-460 of 803 results.