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Diss Factsheets

Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
key study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: Generally accepted calculation methods

Data source

Reference
Reference Type:
other: Calculation
Title:
DUP - Calculation of environmental distribution according to EPI Suite, Version 4.0; PC-Computer software developed by EPA¿s Office of Pollution Prevention Toxics and Syracuse Research Corporation (SRC).
Author:
Haynes G
Year:
2010

Materials and methods

Model:
calculation according to Mackay, Level III
Calculation programme:
EPIWIN (v.4.0)
Release year:
2 008
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Reference substance name:
Diundecyl phthalate
EC Number:
222-884-9
EC Name:
Diundecyl phthalate
Cas Number:
3648-20-2
IUPAC Name:
diundecyl phthalate

Results and discussion

Percent distribution in media

Air (%):
1.13
Water (%):
24.5
Soil (%):
74.1
Sediment (%):
0.241

Any other information on results incl. tables

Level III Fugacity Model (Full-Output):

=======================================

Chem Name   : 1,2-Benzenedicarboxylic acid, diundecyl ester

Molecular Wt: 474.73

Henry's LC  : 5.6e-005 atm-m3/mole (Henrywin program)

Vapor Press : 0.000283 mm Hg (Mpbpwin program)

Log Kow     : 11.5 (Kowwin program)

Soil Koc    : 5.16e+006 (KOCWIN MCI method)

 

Mass Amount    Half-Life    Emissions

(percent)        (hr)       (kg/hr)

Air       1.13            13.3         1000

Water     24.5            360         1000

Soil       74.1            720          1000

Sediment  0.241           3.24e+003    0

 

Fugacity    Reaction    Advection   Reaction    Advection

(atm)      (kg/hr)      (kg/hr)    (percent)   (percent)

Air       8.16e-012    832         159         27.7        5.3

Water     1.31e-014    662         344         22.1        11.5

Soil      5.51e-014    1e+003      0           33.4        0

Sediment  8.08e-015    0.725      0.0678      0.0242      0.00226

 

Persistence Time: 468 hr

Reaction Time:    562 hr

Advection Time:   2.79e+003 hr

Percent Reacted:  83.2

Percent Advected: 16.8

 

Half-Lives (hr), (based upon Biowin (Ultimate) and Aopwin):

Air:      13.25

Water:    360

Soil:     720

Sediment: 3240

Biowin estimate: 3.027 (weeks)

 

Advection Times (hr):

Air:      100

Water:   1000

Sediment: 5e+004

Applicant's summary and conclusion

Conclusions:
Distribution in environmental compartments has been calculated using a Fugacity model according to Mackay, Level III. Soil and water were found to be the major target compartments.
Executive summary:

Distribution in environmental compartments has been calculated using a Fugacity model according to Mackay, Level III. Soil and water were found to be the major target compartments.