Registration Dossier

Ecotoxicological information

Long-term toxicity to aquatic invertebrates

Administrative data

Endpoint:
long-term toxicity to aquatic invertebrates
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
key study
Study period:
1988, 1989
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The test procedure is in line with national standard methods with acceptable limitations.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Schadstoffwirkungen von Umweltchemikalien im Daphnien-Reproduktionstest als Grundlage für die Bewertung der Umweltgefährlichkeit in aquatischen Systemen
Author:
Kuehn R, Pattard M, Pernak KD, Winter A
Year:
1988
Bibliographic source:
Institut für Wasser-, Boden- und Lufthygyene des Bundesgesundheitsamtes. UFOPLAN-Nr. 106 03 052
Reference Type:
publication
Title:
Results of the harmful effects of water pollutants to Daphnia magna in the 21 day reproduction test
Author:
Kuehn R, Pattard M, Pernak KD, Winter A
Year:
1989
Bibliographic source:
Water Res. 23(4), 501-510

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: Preliminary guideline proposal of the German Umweltbundesamt, state 1984-01-01
Deviations:
no
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Sampling and analysis

Analytical monitoring:
yes

Test solutions

Vehicle:
no

Test organisms

Test organisms (species):
Daphnia magna
Details on test organisms:
- Strain: IRCHA
- Age: 24 h

Study design

Test type:
semi-static
Water media type:
freshwater
Limit test:
no
Total exposure duration:
21 d

Test conditions

Hardness:
16° dH (2.5 mmolL Ca + Mg)
synthetic fresh water
Test temperature:
25 +/- 1°C
pH:
8.0 +/- 0.2
Salinity:
Na/K ratio: 10:1
Nominal and measured concentrations:
- Tested concentration range: 0.003-10 mg/L (nominal)
Reference substance (positive control):
yes
Remarks:
chromate

Results and discussion

Effect concentrations
Duration:
21 d
Dose descriptor:
NOEC
Effect conc.:
1 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
mortality

Any other information on results incl. tables

- Only the nominal value for the most sensitive parameter is given. However, no losses were reported to be greater than 20 %
- Tested concentration range: 0.003 - 10 mg/L.

Applicant's summary and conclusion