Registration Dossier
Registration Dossier
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EC number: - | CAS number: -
Biodegradation in water: screening tests
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Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- weight of evidence
- Reliability:
- 2 (reliable with restrictions)
- Rationale for reliability incl. deficiencies:
- results derived from a valid (Q)SAR model and falling into its applicability domain, with adequate and reliable documentation / justification
Data source
Reference
- Reference Type:
- publication
- Title:
- Unnamed
- Year:
- 1 991
Materials and methods
Test guideline
- Qualifier:
- equivalent or similar to guideline
- Guideline:
- OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
- GLP compliance:
- not specified
Test material
- Test material form:
- liquid
Constituent 1
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge (adaptation not specified)
- Duration of test (contact time):
- 4 wk
Initial test substance concentration
- Initial conc.:
- 100 other: ppm
Parameter followed for biodegradation estimationopen allclose all
- Parameter followed for biodegradation estimation:
- test mat. analysis
- Parameter followed for biodegradation estimation:
- TOC removal
Results and discussion
% Degradationopen allclose all
- Parameter:
- % degradation (test mat. analysis)
- Value:
- 90
- Sampling time:
- 28 d
- Parameter:
- % degradation (TOC removal)
- Value:
- 99
- Sampling time:
- 4 wk
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- readily biodegradable
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