Registration Dossier

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

Administrative data

Endpoint:
biodegradation in water: sewage treatment simulation testing
Type of information:
experimental study
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: only endpoint values ​​available (no report)

Data source

Reference
Reference Type:
other company data
Title:
Unnamed
Year:
1989

Materials and methods

Test guideline
Qualifier:
according to
Guideline:
OECD Guideline 303 A (Simulation Test - Aerobic Sewage Treatment. A: Activated Sludge Units)
Principles of method if other than guideline:
Internal standard SOP
GLP compliance:
no

Test material

Reference
Name:
Unnamed
Type:
Constituent
Test material form:
solid
Radiolabelling:
no

Results and discussion

% Degradation
% Degr.:
ca. 0
Parameter:
TOC removal

Any other information on results incl. tables

Purity of test substance 55.0 %

TOC-content of test material 33.0 %. Test-ID.: 80 10 02

TOC-content of test substance : 33.7 % based on Element Analytics Test-ID.: 80 10 01

Test-conzentration 20 mg/L TOC

Duration: 31 days, time relevant for assessment 21 days

Results:

The average elimination rate was determined to: 0 % TOC Test-ID.: 82 50 02

Applicant's summary and conclusion

Validity criteria fulfilled:
yes
Conclusions:
No biologically relevant elimination of the test substance was found after 30 days.
Executive summary:

No biologically relevant elimination of the test substance was found after 30 days.