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Ecotoxicological information

Toxicity to microorganisms

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Administrative data

Endpoint:
activated sludge respiration inhibition testing
Type of information:
experimental study
Adequacy of study:
key study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guidelineopen allclose all
Qualifier:
according to guideline
Guideline:
OECD Guideline 209 (Activated Sludge, Respiration Inhibition Test
Deviations:
no
Qualifier:
according to guideline
Guideline:
other:
Deviations:
no

Test material

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
static
Water media type:
other:
Total exposure duration:
30 min

Test conditions

Reference substance (positive control):
yes

Results and discussion

Effect concentrations
Duration:
30 min
Dose descriptor:
NOEC
Effect conc.:
100 mg/L
Nominal / measured:
nominal
Conc. based on:
test mat.
Basis for effect:
inhibition of total respiration
Remarks on result:
other:

Applicant's summary and conclusion

Validity criteria fulfilled:
yes