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Environmental fate & pathways

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:
supporting study
Reliability:
2 (reliable with restrictions)

Data source

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 301 C (Ready Biodegradability: Modified MITI Test (I))
GLP compliance:
not specified

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
activated sludge (adaptation not specified)
Duration of test (contact time):
28 d
Initial test substance concentration
Initial conc.:
100 mg/L
Based on:
test mat.

Results and discussion

% Degradation
Parameter:
% degradation (O2 consumption)
Value:
0 - 24
Sampling time:
28 d
Details on results:
BOD: 0%-24%
TOC: 0%
HPLC: 100%
The test substance formed o-chlorobenzoic acid and o-chlorobenzylalcohol in the test solution.

Applicant's summary and conclusion

Conclusions:
not biodegradable