Water quality - Guidance on assuring the quality of biological and ecological assessments in the aquatic environment; German Version prEN 14996:2004
€77.20
Water quality - Freshwater algal growth inhibition test with unicellular green algae (ISO 8692:2004); German version EN ISO 8692:2004
€84.58
Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO/DIS 10253:2004); German version prEN ISO 10253:2004
€69.91
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO headspace test) (ISO 14593:1999)
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium - Method by analysis of inorganic carbon in sealed vessels (CO headspace test) (ISO 14593:1999); German version prEN ISO 14593:2005
Water quality - Guidance on the sampling and processing of the pupal exuviae of Chironomidae (Order Diptera) for ecological assessment; German version prEN 15196:2005
€48.79
Water quality - Guidance standard for the routine analysis of phytoplankton abundance and composition using inverted microscopy (Utermöhl technique); German version prEN 15204:2005
€111.40
Water quality - Guidance on marine biological surveys of littoral and sublittoral hard bottom (ISO/DIS 19493:2005); German Version prEN ISO 19493:2005
€91.03
Water quality - Guidance standard for the surveying of macrophytes in lakes; German version prEN 15460:2006
Water quality - Determination of the toxic effect of water constituents and waste water on duckweed (Lemna minor) - Duckweed growth inhibition test (ISO 20079:2005); German version prEN ISO 20079:2006
€98.32
Water quality - Determination of acute toxicity of marine or estuarine sediments to amphipods (ISO 16712:2005); German version prEN ISO 16712:2006
Water quality - Guidance on the selection of sampling methods and devices for benthic macroinvertebrates in fresh waters (ISO/DIS 10870:2010); German version prEN ISO 10870:2010
Water quality - Fresh water algal growth inhibition test with unicellular green algae (ISO/DIS 8692:2010); German version prEN ISO 8692:2010
Water quality - Guidance on pro-rata Multi-Habitat sampling of benthic macro-invertebrates from wadeable rivers; German version prEN 16150:2010
Water quality - Guidance on the use of in vivo absorption techniques for the estimation of chlorophyll-a concentration in marine and fresh water samples; German version prEN 16161:2010
