Registration Dossier

Environmental fate & pathways

Adsorption / desorption

Currently viewing:

Administrative data

Endpoint:
adsorption / desorption: screening
Type of information:
calculation (if not (Q)SAR)
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Calculated using the log Kow approach of EPI Suite v 4.1.

Data source

Reference
Reference Type:
other: software
Title:
EPI Suite v 4.1 (PCKOCWIN)
Author:
U.S. Environmetal Protection Agency (US EPA)
Year:
2012
Bibliographic source:
Estimation Programs Interface Suite™ for Microsoft® Windows, v 4.1. United States Environmental Protection Agency, Washington, DC, USA.

Materials and methods

Principles of method if other than guideline:
KOCWIN of EPI Suite v 4.1 using the methodology based on log Kow.
GLP compliance:
no
Type of method:
other: Calculation
Media:
other: Not applicable

Test material

Reference
Name:
Unnamed
Type:
Constituent

Study design

Batch equilibrium or other method

Computational methods:
PCKOCWIN (version 2) of EPI Suite v 4.1 using the methodology based on log Kow.

Results and discussion

Adsorption coefficient
Key result
Type:
log Koc
Value:
0.855 dimensionless
Remarks on result:
other: (KOCWIN estimation, using the log Kow)

Results: Batch equilibrium or other method

Adsorption and desorption constants:
The estimated log Koc using the log Kow approach of KOCWIN (EPI Suite v 4.1) was found to be 0.8545.
Transformation products:
not measured
Details on results (Batch equilibrium method):
Not applicable
Statistics:
Not applicable

Any other information on results incl. tables

Calculation details:

log Koc = 0.8679 log Kow - 0.0004 = 0.8679 * 0.985 - 0.0004 = 0.8545

(n = 68, r2 = 0.877, std dev = 0.478, avg dev = 0.3781)

Applicant's summary and conclusion

Validity criteria fulfilled:
not applicable
Conclusions:
The estimated log Koc using the log Kow approach of KOCWIN (EPI Suite v 4.1) was found to be 0.8545.
Executive summary:

Based on the log Kow approach of KOCWIN (EPI Suite v 4.1), the log Koc of the substance was found to be 0.8545.