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Diss Factsheets

Environmental fate & pathways

Biodegradation in water and sediment: simulation tests

Administrative data

Endpoint:
biodegradation in water: sediment simulation testing
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)

Data source

Reference
Reference Type:
other: Prediction model
Title:
Biodegradation in water and sediment by EPI (Estimation Programs Interface) Suite
Author:
Sustainability Support Service (Europe) AB - estimated
Year:
2011
Bibliographic source:
Estimation Programs Interface Suite™ United States Environmental Protection Agency, Washington, DC, USA. version 4.1

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
other:
Principles of method if other than guideline:
Level III Fugacity Model
GLP compliance:
no

Test material

Constituent 1
Chemical structure
Reference substance name:
4-sulphoanthranilic acid
EC Number:
202-668-0
EC Name:
4-sulphoanthranilic acid
Cas Number:
98-43-1
Molecular formula:
C7H7NO5S
IUPAC Name:
2-amino-4-sulfobenzoic acid
Radiolabelling:
not specified

Study design

Oxygen conditions:
not specified
Inoculum or test system:
natural water / sediment
Parameter followed for biodegradation estimation:
test mat. analysis
Reference substance
Reference substance:
not specified

Results and discussion

Mean total recoveryopen allclose all
Compartment:
other: water, material (mass) balance
% Recovery:
30.6
Compartment:
other: sediment, material (mass) balance
% Recovery:
0.069
% Degradation
% Degr.:
50
Parameter:
test mat. analysis
Half-life of parent compound / 50% disappearance time (DT50)open allclose all
Compartment:
water
DT50:
360 h
Type:
not specified
Compartment:
sediment
DT50:
3 240 h
Type:
not specified
Transformation products:
not specified

Applicant's summary and conclusion

Validity criteria
Validity criteria fulfilled:
yes
Executive summary:

Summary :

   Mass Amount  Half-Life   Emissions
 Water  30.6  360  1000
 sediment  0.0688  3240  0