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Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
other: collection of data
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
data from handbook or collection of data

Data source

Reference
Reference Type:
other: collection of data
Title:
substance information in OECD HPV Program
Author:
NITE (National Institute of Technology and Evaluation)
Bibliographic source:
Results of Eco-toxicity tests of chemicals conducted by Ministry of the Environment in Japan (- March 2013)

Materials and methods

GLP compliance:
not specified

Test material

Test material form:
liquid

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 mg/L
Based on:
not specified
Parameter followed for biodegradation estimation
Parameter followed for biodegradation estimation:
O2 consumption
Reference substance
Reference substance:
not specified

Results and discussion

% Degradationopen allclose all
Key result
Parameter:
other: BOD
Value:
89
Parameter:
% degradation (TOC removal)
Value:
99
Parameter:
other: GC
Value:
100

Applicant's summary and conclusion

Interpretation of results:
readily biodegradable