Registration Dossier

Administrative data

Endpoint:
toxicity to soil microorganisms
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2012
Report date:
2012

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 216 (Soil Microorganisms: Nitrogen Transformation Test)
Deviations:
yes
Qualifier:
according to guideline
Guideline:
OECD Guideline 217 (Soil Microorganisms: Carbon Transformation Test)
Deviations:
yes
Qualifier:
according to guideline
Guideline:
EU Method C.21 (Soil Microorganisms: Nitrogen Transformation Test)
Deviations:
yes
Qualifier:
according to guideline
Guideline:
EU Method C.22 (Soil Microorganisms: Carbon Transformation Test)
Deviations:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid

Test organisms

Test organisms (inoculum):
soil

Study design

Total exposure duration:
28 d

Test conditions

Reference substance (positive control):
no

Results and discussion

Effect concentrationsopen allclose all
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
>= 6 696 mg/kg soil dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
respiration rate
Duration:
28 d
Dose descriptor:
NOEC
Basis for effect:
nitrate formation rate
Remarks on result:
not determinable because of methodological limitations

Applicant's summary and conclusion

Validity criteria fulfilled:
yes