Registration Dossier

Diss Factsheets

Administrative data

Endpoint:
sediment toxicity: long-term
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2009
Report date:
2009

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 218 (Sediment-Water Chironomid Toxicity Test Using Spiked Sediment)

Test material

Test organisms

Test organisms (species):
Chironomus riparius

Study design

Study type:
laboratory study
Test type:
static
Water media type:
freshwater
Type of sediment:
artificial sediment
Limit test:
no
Exposure duration
Duration:
28 d
Exposure phase:
total exposure duration

Test conditions

Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Key result
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
180 other:
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
emergence rate
Key result
Duration:
28 d
Dose descriptor:
EC50
Effect conc.:
420 other:
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
emergence rate
Remarks on result:
other:
Key result
Duration:
28 d
Dose descriptor:
EC50
Effect conc.:
750 other:
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
development rate
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes