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Toxicity to terrestrial arthropods

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Link to relevant study record(s)

Description of key information

Chronic NOEC/EC10 values for arthropod soil invertebrates from high quality data, that have been used for derivation of the HC5 and terrestrial PNEC, range from 36.4 mg Ni/kg to 1,140 mg Ni/kg. 

Key value for chemical safety assessment

Additional information

Chronic data are available for 2 different species of arthropod soil invertebrates. NOEC/EC10 values range from 36.4 mg Ni/kg for reproduction by the springtail Folsomia candida (University of Ghent and Euras, 2005) to 1,140 mg Ni/kg for reproduction by F. candida (University of Ghent and Euras, 2005).  Below are the accepted high quality studies for arthropod soil macro-organisms used for derivation of the HC5 and terrestrial PNEC.

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Key Study

(Soil macro-organisms)

Selected values for the most sensitive endpoints used for derivation of the terrestrial HC5

Species

Added NOEC or EC10 (mg/kg dw)

Total NOEC or EC10 (mg/kg dw)

University of Ghent and Euras, 2005

Folsomia candida

36.4-1100

36.4-1140

Lock and Janssen, 2002

Folsomia candida

320

320

Scott-Fordsmand et al., 1999

Folsomia fimetaria

173

179