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Ecotoxicological information

Sediment toxicity

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Administrative data

Endpoint:
sediment toxicity: short-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:
OECD Guideline 218 (Sediment-Water Chironomid Toxicity Test Using Spiked Sediment)
Deviations:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Chironomus riparius

Study design

Study type:
laboratory study
Type of sediment:
artificial sediment
Limit test:
yes
Exposure duration
Duration:
28 d
Exposure phase:
total exposure duration

Results and discussion

Effect concentrationsopen allclose all
Duration:
28 d
Dose descriptor:
LC50
Effect conc.:
> 1 000 mg/kg sediment dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
emergence rate
Remarks on result:
other:
Duration:
28 d
Dose descriptor:
NOEC
Effect conc.:
1 000 mg/kg sediment dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
emergence rate
Remarks on result:
other:
Duration:
28 d
Dose descriptor:
EC50
Effect conc.:
> 1 000 mg/kg sediment dw
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
development rate
Remarks on result:
other:

Applicant's summary and conclusion