Registration number (WIID)Project No.TitleStatus
22922LVS EN ISO 11732:2005Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005) 
22982prEN ISO 7346-1 revWater quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 1: Static method (ISO 7346-1:1996)Izstrādē
23102prEN ISO 7346-2 revWater quality - Determination of the acute lethal toxicity of substances to a freshwater fish (Brachydanio rerio Hamilton-Buchanan (Teleostei, Cyprinidae)) - Part 2: Semi-static method (ISO 7346-2:1996)Izstrādē
23247EN ISO 19458:2006Water quality - Sampling for microbiological analysis (ISO 19458:2006)Izstrādē
23247LVS EN ISO 19458:2006Water quality - Sampling for microbiological analysisStandarts spēkā
23844EN 15204:2006Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)Izstrādē
23844LVS EN 15204:2006Water quality - Guidance standard on the enumeration of phytoplankton using inverted microscopy (Utermöhl technique)Standarts spēkā
23980EN 15110:2006Water quality - Guidance standard for the sampling of zooplankton from standing watersIzstrādē
23980LVS EN 15110:2006Water quality - Guidance standard for the sampling of zooplankton from standing watersStandarts spēkā
23981EN 14996:2006Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environmentIzstrādē
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