Under current legislation, ecotoxicity results obtained by the industry researchers
usually remain proprietary to the owner (who paid for testing), and may not be fully
disclosed or available to public. In parallel, ecotoxicity testing is performed also
within the frame of research or public funded studies, and the results are released in
research reports or scientific papers. Publicly available ecotoxicity data are organized in databases, where US EPA ECOTOX (US EPA 2018) provides the most
comprehensive set of information. Information derived from the ecotoxicity tests
Fig. 27.2 Evaluation and visualization of ecotoxicity results. Tested concentrations are usually
expressed log-transformed, the response of biological system to increasing concentration can be
either binary (e.g., mortality) or continuous (e.g., number of juveniles). Ecotoxicity parameters
(NOEC, LOEC, EC50, or LC50, etc.) are derived from the modelled concentration–response curve
27 Ecotoxicology of Environmental Pollutants
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