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Environmental fate & pathways

Biodegradation in water: screening tests

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Administrative data

Endpoint:
biodegradation in water: ready biodegradability
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
3 (not reliable)

Data source

Reference
Reference Type:
publication
Title:
COMPARISON OF TWO STRATEGIES FOR ASSESSING ECOTOXICOLOGICAL ASPECTS OF COMPLEX WASTEWATER FROM A CHEMICAL-PHARMACEUTICAL PLANT
Author:
Brorson, T
Year:
1994
Bibliographic source:
Environmental Toxicology and Chemistry, Vol. 13, No. 4, pp. 543-552

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
ISO 7827 (Evaluation in an Aqueous Medium of the "Ultimate" Aerobic Biodegradability of Organic Compounds - Method by Analysis of Dissolved Organic Carbon (DOC))
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Details on test material:
- Purity: not reported

Study design

Oxygen conditions:
aerobic
Duration of test (contact time):
28 d

Results and discussion

Details on results:
Warfarin sodium salt was considered not readily biodegradable; the COD reduction within 28 d was 13%.

BOD5 / COD results

BOD5 / COD
Parameter:
COD
Value:
13 other: %

Applicant's summary and conclusion

Interpretation of results:
other: not readily biodegradable, 13% in 28 days.
Conclusions:
Warfarin sodium salt was considered not readily biodegradable; the COD reduction within 28 d was 13%.