Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: inherent biodegradability
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
4 (not assignable)
Cross-reference
Reason / purpose:
reference to other study

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1986

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 302 B (Inherent biodegradability: Zahn-Wellens/EMPA Test)
Deviations:
not specified
Principles of method if other than guideline:
not available
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
not specified
Inoculum or test system:
sewage, predominantly domestic (adaptation not specified)
Duration of test (contact time):
ca. 7 d
Initial test substance concentration
Initial conc.:
ca. 100 mg/L
Based on:
DOC

Results and discussion

% Degradationopen allclose all
Parameter:
% degradation (DOC removal)
Value:
ca. 99
Sampling time:
7 d
Parameter:
% degradation (DOC removal)
Value:
ca. 87
Sampling time:
3 d

Any other information on results incl. tables

-

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
inherently biodegradable
Conclusions:
Based on the available date the substance can be considered as inherently biodegradable
Executive summary:

-