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Environmental fate & pathways

Distribution modelling

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Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
Not applicable
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The reliability rating is 2 because the data are calculated.

Data source

Referenceopen allclose all

Reference Type:
publication
Title:
Evaluating the environmental fate of a variety of types of chemicals using the EQC model
Author:
Mackay D, DiGuardo A, Paterson S and Cowan C
Year:
1996
Bibliographic source:
Eviron. Toxicol. Chem. 15: 1627-1637
Reference Type:
other: Mathematical model
Title:
EQC Model ver. 1.01
Author:
Mackay D, DiGuardo A, Paterson S and Cowan C
Year:
1997
Bibliographic source:
Available from the Environmental Centre, Trent University, Canada.
Reference Type:
publication
Title:
Multimedia environmental models: The fugacity approach
Author:
Mackay D
Year:
2001
Bibliographic source:
Second edition, pp. 1-261, Lewis Publisher, Boca Raton, Fl, USA

Materials and methods

Model:
calculation according to Mackay, Level I
Calculation programme:
Level I simulation using the Mackay Multimedia Environmental Model, version 3.0, released 2004, available at the Canadian Environmental Modelling Centre, Trent University, Canada.
Release year:
1 997
Media:
air - biota - sediment(s) - soil - water

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Study design

Test substance input data:
Parameter Value w/ Units

Molecular Weight 446.68
Temperature 25° C
Log Kow 8.8
Water Solubility 0.00017 g/m3
Vapor Pressure 0.000051 Pa
Melting Point -50°C

Results and discussion

Percent distribution in media

Air (%):
0
Water (%):
0
Soil (%):
97.7
Sediment (%):
2.2
Susp. sediment (%):
0.1
Biota (%):
0

Applicant's summary and conclusion

Conclusions:
The Mackay Level I equilibrium model estimates that di-isodecyl phthalate ester will partition largely to the soil compartment (approximately 98%), followed by the sediment (approximately 2%) compartment.
Executive summary:

The Mackay Level I equilibrium model estimates that di-isodecyl phthalate ester will partition largely to the soil compartment (approximately 98%), followed by the sediment (approximately 2%) compartment.