Registration Dossier

Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
migrated information: read-across from supporting substance (structural analogue or surrogate)
Adequacy of study:
weight of evidence

Data source

Reference
Reference Type:
publication
Title:
Unnamed
Year:
1999

Materials and methods

Test guideline
Qualifier:
no guideline available

Test material

Test organisms

Test organisms (species):
other:

Study design

Test type:
static
Water media type:
brackish water
Limit test:
no
Total exposure duration:
22 h

Test conditions

Reference substance (positive control):
yes

Results and discussion

Effect concentrationsopen allclose all
Duration:
22 h
Dose descriptor:
EC10
Effect conc.:
ca. 0.15 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
other:
Remarks on result:
other:
Duration:
22 h
Dose descriptor:
other:
Effect conc.:
ca. 0.17 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
other:
Remarks on result:
other:
Duration:
22 h
Dose descriptor:
EC50
Effect conc.:
ca. 0.23 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
other:
Remarks on result:
other:
Duration:
22 h
Dose descriptor:
NOEC
Effect conc.:
ca. 0.125 mg/L
Nominal / measured:
meas. (not specified)
Conc. based on:
test mat.
Basis for effect:
other:
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes