Registration Dossier
Registration Dossier
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EC number: 700-710-7 | CAS number: -
Endpoint summary
Administrative data
Description of key information
Additional information
Effect data sets: Extensive chronic soil toxicity data sets exist for soil microbial processes, plants, and invertebrates. More than 250 individual NOEC/EC10 values were screened for quality and relevancy, which resulted in a data set of 173 individual high quality data that covered 42 different species. The selected data set covers 8 different families, different trophic levels and feeding patterns for invertebrates, and microbial activities. Chronic toxicity data for individual species were generated in 16 different soils, enabling a toxicity comparison between soils and the establishment of toxicity soil-type models.
Data for 12 microbial processes are available, with NOEC/EC10 values range from 28 mg Ni/kg for nitrification to 2,491 mgNi /kg for respiration. Additional data are available for enzyme activity measured in soil, with NOEC/EC10 values ranging from 7.9 mg Ni/kg for dehydrogenase to 7,084 mg Ni/kg for arylsulfatase activity. Data also exist for the growth of 13 individual microbial species, with EC10 values ranging from 13 mg Ni/kg for Aspergillus clavatus to 530 mg Ni/kg for Trichoderma viride.
NOEC/EC10 values are available for 11 plant species, ranging from 10 mg Ni/kg for Spinacea oleraceato 1,127 mg Ni/kg for Hordeum vulgare.
Chronic data are available for 6 different species of soil invertebrates, including both soft- and hard-bodied invertebrates. NOEC/EC10 values range from 36 mg Ni/kg for reproduction by the springtail Folsomia candidato 1,140 mg Ni/kg for reproduction by the earthworm Eisenia fetida.
Acute toxicity LC50values for soil macroinvertebrates range from 52 mg Ni/kg dw for Lumbicis terrestris (mortality) to 2,500 mg Ni/kg dw for Caenorhabditis elegans (mortality).
The acute EC50 (4 d) values for terrestrial plants range from ≥54.5 mg/kg soil d.w. to ≤1928.2 mg/kg for root elongation forHordeum vulgare.
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