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Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
comparable to guideline study
Remarks:
Study with acceptable devitions in documentation.

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1981

Materials and methods

Principles of method if other than guideline:
Sapromat
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
2,6-dichlorobenzyl chloride
EC Number:
217-940-4
EC Name:
2,6-dichlorobenzyl chloride
Cas Number:
2014-83-7
Molecular formula:
C7H5Cl3
IUPAC Name:
2,6-dichlorobenzyl chloride

Study design

Inoculum or test system:
activated sludge, non-adapted
Duration of test (contact time):
20 d

Results and discussion

Test performance:
Standard test using the Sapromat-Method (Respirometric test).
% Degradation
Parameter:
% degradation (O2 consumption)
Value:
< 10
Sampling time:
20 d

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Interpretation of results:
under test conditions no biodegradation observed
Conclusions:
No biodegradation within 20 days.
Executive summary:

No biodegradation within 20 days.