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Evaluation of the integrated testing strategy for PNEC derivation under REACH

: May, Martin; Drost, Wiebke; Germer, Sabine; Juffernholz, Tanja; Hahn, Stefan


Regulatory toxicology and pharmacology 78 (2016), S.59-65
ISSN: 0273-2300
Fraunhofer ITEM ()
relative species sensitivity; chronic fish toxicity; integrated testing strategy; environmental hazard assessment; aquatic ecotoxicology

Species sensitivity evaluation represents an approach to avoid chronic toxicity testing of aquatic vertebrates in accordance with the animal welfare concept of the EU chemicals regulation. In this study a data set of chemicals is analysed for relative species sensitivity between Daphnia and fish in chronic testing to evaluate under what condition chronic fish tests can be waived without underestimating the environmental hazard. Chronic fish toxicity is covered in 84% of the evaluated substances by the chronic invertebrate test and an assessment factor of 50. Thus, animal testing can be avoided in environmental hazard assessment for many chemicals. Moreover, it is shown that species sensitivity in chronic testing is associated with species sensitivity in acute testing. The more sensitive species in chronic testing is predicted with a high probability if a species is >5x more sensitive in acute testing.