Registration Dossier
Registration Dossier
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EC number: 930-447-5 | CAS number: -
Biodegradation in water: screening tests
Administrative data
- Endpoint:
- biodegradation in water: ready biodegradability
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Study period:
- January 2009
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Study by a laboratory having a GLP certificate
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Report date:
- 2009
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 301 D (Ready Biodegradability: Closed Bottle Test)
- Deviations:
- no
- GLP compliance:
- yes (incl. QA statement)
- Remarks:
- Certificat on November 27th 2007
Test material
Reference
- Name:
- Unnamed
- Type:
- Constituent
Study design
- Oxygen conditions:
- aerobic
- Inoculum or test system:
- activated sludge, domestic, adapted
- Duration of test (contact time):
- 28 d
Initial test substance concentration
- Initial conc.:
- 0.6 g/L
- Based on:
- ThOD/L
Results and discussion
% Degradation
- Parameter:
- % degradation (O2 consumption)
- Value:
- 6
- Sampling time:
- 28 d
- Details on results:
- The calculated theorical oxygen demand of EPOXY RESIN T1800 is 1.62 o2/mg. This theorical oxygen demand is caculated by assuming formation of ammonium, water and carbon dioxide (if no nitrification is observed).
EPOXY RESIN T1800 did not inhibit the micro-organisms as shown by the toxicity control flasq where biodegration percentage is already 42%, higher than 25% after 14 days.
BOD5 / COD results
BOD5 / COD
- Parameter:
- BOD5
- Value:
- 0.1 g O2/g test mat.
Applicant's summary and conclusion
- Validity criteria fulfilled:
- yes
- Interpretation of results:
- under test conditions no biodegradation observed
- Conclusions:
- EPOXY RESIN T1800 is not readily biodegradable.
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