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Ecotoxicological information

Toxicity to soil macroorganisms except arthropods

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Administrative data

Endpoint:
toxicity to soil macroorganisms except arthropods: short-term
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: peer reviewed data cited in EU risk assessment report

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
No information
Author:
van Gestel, van Dis
Year:
1988
Bibliographic source:
Biol. Fertil. Soils 6, 262-265
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:
review article or handbook
Title:
2,4-Dichloranilin; 2,5-Dichloranilin; 3,4-Dichloranilin
Author:
Beratergremium für umweltrelevante Altstoffe (BUA)
Year:
1994
Bibliographic source:
Wissenschaftliche Verlagsgesellschaft, BUA report 140

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 207 (Earthworm, Acute Toxicity Tests)
Deviations:
yes
Remarks:
natural sandy soil used
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent

Test organisms

Test organisms (species):
Eisenia fetida
Animal group:
annelids
Details on test organisms:
Eisenia fetida andrei

Study design

Study type:
laboratory study
Substrate type:
natural soil
Total exposure duration:
14 d

Test conditions

Test temperature:
23 +/- 2 °C
pH:
test 1: adjusted to pH 7
test 2: natural pH of 4.1
Details on test conditions:
natural sandy soil with a soil organic matter content of 1.7%
12h light/ 12 h darkness

Results and discussion

Effect concentrationsopen allclose all
Duration:
7 d
Dose descriptor:
LC50
Effect conc.:
130 mg/kg soil dw
Nominal / measured:
nominal
Basis for effect:
mortality
Remarks on result:
other: for pH 7 and 4.1; > 100 < 180 mg/kg soil dw
Duration:
14 h
Dose descriptor:
LC50
Effect conc.:
130 mg/kg soil dw
Nominal / measured:
nominal
Basis for effect:
mortality
Remarks on result:
other: for pH 7 and 4.1; > 100 < 180 mg/kg soil dw
Details on results:
no exact LC50 could be determined due to a very steep dose-response-relationship

Applicant's summary and conclusion