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EC number: 234-454-8 | CAS number: 12004-35-2
Toxicity to soil macroorganisms except arthropods
Administrative data
Link to relevant study record(s)
Description of key information
Key value for chemical safety assessment
Additional information
No data on the toxicity to soil macroorganisms except arthropods are available for the test substance Nickel aluminate. However, there are reliable data available for different structurally analogue test substances.
The environmental fate pathways and ecotoxicity effects assessments for Ni metal and Ni compounds is based on the observation that adverse effects to aquatic, soil- and sediment-dwelling organisms are a consequence of exposure to the bioavailable Ni-ion, released by the parent compound. The result of this assumption is that the ecotoxicology will be similar for all soluble Ni substances used in the ecotoxicity experiments. Therefore, data from soluble nickel substances are used in the derivation of ecotoxicological and environmental fate endpoints, based on the Ni-ion.
Chronic data are available for 4 different species of non-arthropod soil invertebrates. NOEC/EC10 values range from 46.5 mg Ni/kg for reproduction by the earthworm Eisenia fetida (University of Ghent and Euras, 2005) to 1,140 mg Ni/kg for reproduction by E. fetida (University of Ghent and Euras, 2005). Below are the accepted high quality studies for non-arthropod soil macro-organisms used for derivation of the HC5 and terrestrial PNEC.
Key Study (Soil macro-organisms) |
Selected values for the most sensitive endpoints used for derivation of the terrestrial HC5 |
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Species |
Added NOEC or EC10 (mg/kg dw) |
Total NOEC or EC10 (mg/kg dw) |
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University of Ghent and Euras, 2005 |
Eisenia fetida |
46.5-1100 |
47.6-1140 |
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Eisenia fetida |
46.5-1110 |
47.6-1140 |
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Lock and Janssen, 2002 |
Eisenia fetida |
180 |
180 |
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Enchytraeus albidus |
180 |
180 |
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Scott-Fordsmand et al., 1998 |
Eisenia veneta |
85 |
91 |
||
Ma, 1982 |
Lumbricus rubellus |
842 |
859 |
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