Prediction of ecological no-effect conce
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Willem Roelofs; Mark A. J. Huikbregts; Tjalling Jager; Ad M. J. Ragsas
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Article
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2003
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John Wiley and Sons
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English
β 91 KB
## Abstract A new method is proposed to derive predicted noβeffect concentrations (PNECs) for initial risk assessments for aquatic ecosystems from a limited set of singleβspecies toxicity data. The method includes three steps. First, acute toxicity data are divided by an acuteβtoβchronic assessment