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Ecotoxicological information

Sediment toxicity

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Administrative data

Endpoint:
sediment toxicity: long-term
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Original paper not available but peer reviewed in EU Risk assessment.

Data source

Referenceopen allclose all

Reference Type:
secondary source
Title:
3,4-dichloroaniline (3,4-DCA)
Author:
EU-Risk Assessment Report
Year:
2006
Bibliographic source:
EUR 22235 EN; ISSN 1018-5593
Reference Type:
publication
Title:
Unnamed
Year:
2000

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
Long term test with Lumbriculus variegatus.
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Lumbriculus variegatus

Study design

Study type:
laboratory study
Test type:
not specified
Water media type:
freshwater
Type of sediment:
artificial sediment
Limit test:
no
Exposure duration
Duration:
28 d
Exposure phase:
total exposure duration

Results and discussion

Effect concentrationsopen allclose all
Duration:
96 h
Dose descriptor:
LC50
Effect conc.:
25.2 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality
Duration:
14 d
Dose descriptor:
NOEC
Effect conc.:
5 mg/kg sediment dw
Conc. based on:
test mat.
Basis for effect:
reproduction
Duration:
14 d
Dose descriptor:
LOEC
Effect conc.:
25 mg/kg sediment dw
Conc. based on:
test mat.
Basis for effect:
reproduction

Any other information on results incl. tables

For Lumbriculus variegatus a NOEC of 5 mg/kg dw was found for the total number of worms. This can be seen as the endpoint

relevant for the assessment.

Applicant's summary and conclusion