Registration Dossier

Administrative data

Endpoint:
toxicity to microorganisms
Type of information:
other: OECD SIDS
Adequacy of study:
key study
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
other: Data is taken from OECD SIDS.

Data source

Reference
Reference Type:
other: Internal study
Title:
Unnamed
Year:
1993
Report Date:
1993

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
other: "Test for Inhibition of Oxygen Consumption by Activated Sludge" ISO 8192 (1986)
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent

Sampling and analysis

Analytical monitoring:
no

Test organisms

Test organisms (species):
activated sludge

Study design

Test type:
other: Aquatic
Total exposure duration:
3 h

Results and discussion

Effect concentrations
Duration:
3 h
Dose descriptor:
EC50
Effect conc.:
4 720 mg/L

Applicant's summary and conclusion

Conclusions:
toxicity to Microorganisms: (Activated sludge) 3 hours EC50 : 4720 mg/l
Result : EC50: aritmethic mean of the tested nominal concentrations.