Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
toxicity to terrestrial arthropods: long-term
Type of information:
migrated information: read-across based on grouping of substances (category approach)
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Acceptable well documented publication.

Data source

Reference
Reference Type:
publication
Title:
Ecotoxicity of nickel to Eisenia fetida, Enchytraeus albidus and Folsomia candida.
Author:
Lock, K. and Janssen, C. R.
Year:
2002
Bibliographic source:
Chemosphere, 46, 197-200.

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
ISO 11267 (Inhibition of Reproduction of Collembola by Soil Pollutants)
GLP compliance:
no
Application method:
soil

Test material

Constituent 1
Reference substance name:
Nickel dichloride
EC Number:
231-743-0
EC Name:
Nickel dichloride
Cas Number:
7718-54-9
IUPAC Name:
nickel(2+) dichloride
Details on test material:
- Name of test material (as cited in study report): Nickelchloride (NiCl2)

Sampling and analysis

Analytical monitoring:
yes

Test substrate

Vehicle:
no

Test organisms

Test organisms (species):
Folsomia candida
Animal group:
Collembola (soil-dwelling springtail)
Details on test organisms:
TEST ORGANISM
- Common name: springtail
- Source: from Aquasense BV (Amsterdam, The Nederlands)
- Age at test initiation (mean and range, SD): 10-12 days

Study design

Study type:
laboratory study
Limit test:
no
Total exposure duration:
4 wk

Test conditions

Details on test conditions:
TEST SYSTEM
- Amount of soil or substrate: 30 g wet weight
- No. of organisms per container (treatment): 10

- Composition (if artificial substrate): according to OECD 207; 70 % sand, 20 % kaolinclay and 10 % finely ground Spagnum peat.

Results and discussion

Effect concentrationsopen allclose all
Duration:
4 wk
Dose descriptor:
EC50
Effect conc.:
476 mg/kg soil dw
Conc. based on:
element
Remarks:
Nickel
Basis for effect:
reproduction
Duration:
4 wk
Dose descriptor:
NOEC
Effect conc.:
320 mg/kg soil dw
Conc. based on:
element
Remarks:
Nickel
Basis for effect:
reproduction
Duration:
4 wk
Dose descriptor:
EC50
Effect conc.:
751.9 mg/kg soil dw
Conc. based on:
other: Nickeldihydroxid
Basis for effect:
reproduction
Remarks on result:
other: Result calculated for Nickeldihydroxid
Duration:
4 wk
Dose descriptor:
NOEC
Effect conc.:
505.48 mg/kg soil dw
Conc. based on:
other: Nickeldihydroxid
Basis for effect:
reproduction
Remarks on result:
other: Result calculated for Nickeldihydroxid

Applicant's summary and conclusion