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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: long-term
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
3 (not reliable)
Rationale for reliability incl. deficiencies:
other: Study seems to be well conducted, but initial concentration and exposure variation during a 6 week test not measured.

Data source

Reference
Reference Type:
publication
Title:
No information
Author:
HARTENSTEIN R
Year:
1982
Bibliographic source:
Soil Biol Biochem, 14(6), 595-599

Materials and methods

Principles of method if other than guideline:
no data
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
no data

Sampling and analysis

Analytical monitoring:
not specified

Test organisms

Test organisms (species):
Eisenia fetida
Animal group:
annelids
Details on test organisms:
no data

Study design

Study type:
laboratory study
Substrate type:
other: activated sludge
Total exposure duration:
42 d

Test conditions

Test temperature:
24°C
Details on test conditions:
Substrate : activated sludge (ca. 13 % solids) placed over a ca. 4 mm depth of silt loam in a Petri dish.
The amount of substance tested was mixed with the activated sludge.
There were 2 hatchlings per concentration and 5 replicates per concentration.
Reference substance (positive control):
not specified

Results and discussion

Effect concentrationsopen allclose all
Duration:
42 d
Dose descriptor:
NOEC
Effect conc.:
ca. 10 000 mg/kg soil dw
Basis for effect:
mortality
Duration:
42 d
Dose descriptor:
LOEC
Effect conc.:
ca. 40 000 mg/kg soil dw
Basis for effect:
mortality
Details on results:
The mortality at LOEC was 80 %.

Applicant's summary and conclusion