Water quality; sampling in deep waters for macro-invertebrates; guidance on the use of colonization, qualitative and quantitative samplers (ISO 9391:1993); German version prEN 23391:1994
€56.17
Water quality; methods of biological sampling; guidance on handnet sampling of aquatic benthic macro-invertebrates (ISO 7828:1985); German version EN 27828:1994
€41.78
Water quality; design and use of quantitative samplers for benthic macro-invertebrates on stony substrata in shallow freshwaters (ISO 8265:1988); German version EN 28265:1994
€48.79
Water quality - Guidance on the estimation of fish abundance with mobile hydroacoustic methods; German Version prEN 15910:2009
€128.22
Water quality - Guidance standard for the surveying, sampling and laboratory analysis of phytobenthos in shallow running water; German version FprEN 15708:2009
€91.03
Water quality - Guidance standard for assessing the hydromorphological features of rivers; German version prEN 14614:2003
€98.32
Water quality - Evaluation in an aqueous medium of the "ultimate" aerobic biodegradability of organic compounds - Method by analysis of biochemical oxygen demand (closed bottle test) (ISO 10707:1994); German version prEN ISO 10707:1997
German standard methods for the examination of water, waste water and sludge - Bio-assays (group L) - Part 34: Determination of the inhibitory effect of waste water on the light emission of photobacterium phosphoreum; luminescent bacteria waste water test using conserved bacteria (L 34)
Water quality - Evaluation of ultimate aerobic biodegradability of organic compounds in aqueous medium by determination of oxygen demand in a closed respirometer (ISO/DIS 9408:1997); German version prEN ISO 9408:1997
€77.20
Water quality - Evaluation of aerobic biodegradability of organic compounds in aqueous medium - Static test (Zahn-Wellens method) (ISO/DIS 9888:1997); German version prEN ISO 9888:1997
€63.27
Water quality - Marine algal growth inhibition test with Skeletonema costatum and Phaeodactylum tricornutum (ISO 10253:1995); German version EN ISO 10253:1998
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 1: Method using freshly prepared bacteria (ISO/DIS 11348-1:1996); German version prEN ISO 11348-1:1996
€69.91
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 2: Method using liquid-dried bacteria (ISO/DIS 11348-2:1996); German version prEN ISO 11348-2:1996
Water quality - Determination of the inhibitory effect of water samples on the light emission of Vibrio fischeri (Luminescent bacteria test) - Part 3: Method using freeze-dried bacteria (ISO/DIS 11348-3:1996); German version prEN ISO 11348-3:1996
Water 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); German version prEN ISO 7346-1:1997