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:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Very specific experimental conditions

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
1-Chlor-2-methyl-3-nitrobenzol (2-Chlor-6-nitrotoluol) BUA Stoffbericht 61
Author:
Beratergremium für umweltrelevante Altstoffe (BUA)
Year:
1991
Bibliographic source:
VCH Verlagsgesellschaft mbH, Weinheim, ISBN 3-527-28427-3
Reference Type:
study report
Title:
Unnamed
Year:
1990

Materials and methods

Test guideline
Qualifier:
equivalent or similar to
Guideline:
EPA OTS 796.3360 (Inherent Biodegradability: Modified Zahn-Wellens Test)
Principles of method if other than guideline:
see below
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Oxygen conditions:
not specified
Inoculum or test system:
activated sludge, industrial, adapted
Details on inoculum:
Sludge from sewage treatment plant at site Griesheim of Hoechst AG. Sludge was mixed with charcoal
Duration of test (contact time):
15 d

Results and discussion

% Degradation
Parameter:
other: COD
Value:
>= 80 - <= 90
Sampling time:
15 d

Applicant's summary and conclusion

Validity criteria fulfilled:
not specified
Interpretation of results:
inherently biodegradable