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