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Ecotoxicological information

Long-term toxicity to aquatic invertebrates

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Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
1 (reliable without restriction)
Rationale for reliability incl. deficiencies:
other: Test procedure according to national standards. Adopted according to OECD SIDS. The original source is available and has been reviewed.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1988
Reference Type:
secondary source
Title:
1-Chloro-2-nitrobenzene CAS: 88-73-3, SIDS Initial Assessment Report
Author:
OECD
Year:
2001
Bibliographic source:
UNEP publications

Materials and methods

Principles of method if other than guideline:
proposed preliminary testing method by the Federal Environmental Agency of Germany (UBA): "Prolonged toxicity test on Daphnia magna (determination of NOEC for reproduction rate, mortality and time of the first appearance of offspring; 21 d)", (1984)
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): 1-Chlor-2-nitrobenzol
- Analytical purity: no data

Sampling and analysis

Analytical monitoring:
yes

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
TEST ORGANISM
- Age of test animals at the start of the experiment: < 24 h
- Feeding during test
- Food type: TetraMin and activated sludge
- Frequency: daily

Study design

Test type:
semi-static
Water media type:
freshwater

Test conditions

Test temperature:
25 ± 1 °C
pH:
8.0 ± 0.3
Dissolved oxygen:
- prior to test the water was saturated with air
- at the end of the test (21 d) the DOC was around 73%
Nominal and measured concentrations:
nominal concentrations: 0.125 - 16 mg/L
Details on test conditions:
- 5 replicates
- 5 animals/250 mL medium (=> 25 animals per concentration)
- photoperiod: 9 h artificial light, 15 h darkness

Results and discussion

Effect concentrationsopen allclose all
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
3 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
reproduction
Remarks on result:
other: based on a recovering rate of 75%
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
4 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
reproduction

Applicant's summary and conclusion

Validity criteria fulfilled:
yes