Registration Dossier

Environmental fate & pathways

Additional information on environmental fate and behaviour

Administrative data

Endpoint:
additional information on environmental fate and behaviour
Remarks:
anaerobic degradation in sediment and digested sludge
Type of information:
experimental study
Adequacy of study:
weight of evidence
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
study well documented, meets generally accepted scientific principles, acceptable for assessment

Data source

Reference
Reference Type:
publication
Title:
Anaerobic degradation of aromatic compounds in sediments and digested sludge.
Author:
Horowitz A., Shelton D.R., Cornell C.P. and Tiedje J.M.
Year:
1982
Bibliographic source:
Developments in industrial microbiology 23: 445-454

Materials and methods

Test guideline
Qualifier:
no guideline available
Principles of method if other than guideline:
- Principle of test: the potential for degradation of several group of aromatic coumpounds (like Pyrogallol) in both municipal digested sludge and in sediment of eutrophic freshwater lake was investigated.
- Short description of test conditions:
- Parameters analysed / observed:
GLP compliance:
not specified

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
impurity
Test material form:
not specified
Details on test material:
not specified
Specific details on test material used for the study:
not specified

Results and discussion

Applicant's summary and conclusion

Conclusions:
Pyrogallol degrades at varyious rates under anaerobic conditions with 94% to 97% after 7 days in digester sludge, 0% after more than 203 days in freshwater/sediment.