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Diss Factsheets

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

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Administrative data

Endpoint:
biodegradation in water: sewage treatment simulation testing
Type of information:
experimental study
Adequacy of study:
other information
Reliability:
4 (not assignable)
Rationale for reliability incl. deficiencies:
documentation insufficient for assessment

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
1998
Report date:
1998

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 303 A (Simulation Test - Aerobic Sewage Treatment. A: Activated Sludge Units)
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
Alcohols, C12-14, ethoxylated, sulfates, sodium salts
EC Number:
500-234-8
EC Name:
Alcohols, C12-14, ethoxylated, sulfates, sodium salts
Cas Number:
68891-38-3
Molecular formula:
not applicable, UVCB
IUPAC Name:
Alcohols, C12-14(even numbered), ethoxylated < 2.5 EO, sulfates, sodium salts
Radiolabelling:
not specified

Study design

Oxygen conditions:
aerobic
Inoculum or test system:
other: synthetic sewage
Duration of test (contact time):
3 h
Initial test substance concentration
Initial conc.:
10 - 20 mg/L
Based on:
DOC

Results and discussion

% Degradation
% Degr.:
89
St. dev.:
6
Parameter:
DOC removal
Sampling time:
3 h
Remarks on result:
other: at 10 mg C/L
Evaporation of parent compound:
not specified
Volatile metabolites:
not specified
Residues:
not specified

Applicant's summary and conclusion