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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Description of key information

freshwater: 22 studies on 8 invertebrate species were selected in the EU RA to derive the PNEC freshwater. NOECs range between 0.16 and 11 µg/l Cd in dissolved  concentrations.
marine waters: Data on 40 invertebrate species are available. Species NOECs range between 0.3 µg Cd/L (Isognomon californicum, Isognomonidae, Molluscs) up to 25000 µg Cd/L (Pellioditis marina, Rhabditidae, Nematods). Concentrations are expressed as dissolved ones.

Key value for chemical safety assessment

Additional information

Freshwater: 22 studies on 8 invertebrate species (Crustaceans, Insect and Gastropods) were selected in the EU RA to derive the PNEC freshwater. NOECs range between 0.16 and 11 µg/l Cd in dissolved concentrations.

Marine: Relevant and reliable marine chronic toxicity data on invertebrates were found in 6 taxonomic groups including Annelids (4 families), Cnidarians (2 families), Crustaceans (8 families), Echinoderms (7 families), Molluscs (9 families) and Nematods (2 families). The invertebrate dataset covers a large range of NOEC values going from 0.3 µg/L up to 25000 µg/L. Data on the 6 invertebrate taxonomic groups are combined together with the other marine chronic data in the species sensitivity distribution to give the HC5 from which the PNEC is derived.