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Environmental fate & pathways

Adsorption / desorption

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Administrative data

Endpoint:
adsorption / desorption
Remarks:
other: Koc estimated
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Study period:
2002-2007
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Performed using methodology recommended by REACH Guidance, e.g. EPIwin v3.20.

Data source

Reference
Reference Type:
other: software program
Title:
Estimations Program Interface for Windows, v3.20
Author:
anonymous
Year:
2007
Bibliographic source:
U.S. Environmental Protection Agency, Washington, DC

Materials and methods

Test guideline
Qualifier:
no guideline followed
Principles of method if other than guideline:
The Soil Koc was estimated by EPIwin (Level III Fugacity Model) based on BDE 209's chemical structure.
GLP compliance:
no
Type of method:
other: esitmation
Media:
soil

Test material

Reference
Name:
Unnamed
Type:
Constituent
Radiolabelling:
no

Study design

Test temperature:
not applicable

HPLC method

Details on study design: HPLC method:
not applicable

Batch equilibrium or other method

Analytical monitoring:
no
Computational methods:
EPIwin, v3.30; Level III Fugacity Model

Results and discussion

Adsorption coefficient
Remarks on result:
other: see below
Partition coefficients
Phase system:
other: soil Koc
Type:
other: soil Koc
Value:
528 000 000 000

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
The soil Koc of BDE 209 was estimated to be 5.28 x 10E11. Thus, BDE 209 is expected to bind to soil (and other particulates).
Executive summary:
The soil Koc of BDE 209 was estimated to be 5.28 x 10E11. Thus, BDE 209 is expected to bind to soil (and other particulates).