Registration Dossier

Environmental fate & pathways

Biodegradation in water: screening tests

Administrative data

Endpoint:
biodegradation in water: screening tests
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Guideline study with acceptable restrictions.

Data source

Referenceopen allclose all

Reference Type:
study report
Title:
Unnamed
Year:
1992
Report Date:
1992
Reference Type:
secondary source
Title:
1,3-Dichlorobut-1-ene - CAS No: 926-57-8
Author:
OECD SIDS
Year:
2007
Bibliographic source:
SIDS Initial Assessment Report for 22th SIAM, UNEP Publications

Materials and methods

Principles of method if other than guideline:
other: modified OECD Screening test. The procedure was devised based on Appendix V C.3 Degradability: Modified OECD Screening Test, Guideline of the Commission 84/449/EWG (Official Journal of the EEC No. L 251 of 19 September 1984).
GLP compliance:
yes

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Name of test material (as cited in study report): E/Z-1,3-Dichlorbuten-2
- Analytical purity: 99.1 %

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
sewage, domestic (adaptation not specified)
Details on inoculum:
- Concentration of sludge: 0.5 mL/900mL
Initial test substance concentration
Initial conc.:
20 mg/L
Based on:
DOC

Results and discussion

% Degradation
Value:
0
Sampling time:
28 d

Applicant's summary and conclusion

Interpretation of results:
under test conditions no biodegradation observed