Registration Dossier

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: Accepted calculaiton method

Data source

Reference
Reference Type:
other: Estimation program
Title:
Level III Fugacity Model results
Author:
US EPA
Year:
2012
Bibliographic source:
US Environmental Protection Agency Office of Pollution Prevention and Toxics and Syracuse Research Corporation. EPI Suite TM 2000-2012
Report Date:
2013

Materials and methods

Model:
calculation according to Mackay, Level III
Calculation programme:
US EPA, EPI Suite, 2012 Level III Fugacity model, entry to either air, water or soil or all three compartments
Release year:
2 012
Media:
other: air-water-sediment-soil

Test material

Reference
Name:
Unnamed
Type:
Constituent
Type:
Constituent

Study design

Environmental properties:
Molecular wt 424.67
Henry's law constant 3.34 E-6 Pa-m3/mol
Vapor pressure 2e-8 mm Hg
melting point: 156 deg C
log Kow 8.99
Soil Koc 3.64 E7 (KOCWIN MCI method)

Results and discussion

Percent distribution in media

Air (%):
0.026
Water (%):
1.15
Soil (%):
46.7
Sediment (%):
52.1
Other distribution results:
Release into air 1000 kg/hr
Distribution: air: 0.372%; water 0.279%, soil 86.7%, sediment 12.6%

Release to water 1000 kg/hr
Distribution air: 0.00024 %, water: 2.16%, Soil: 0.0559%, sediment: 97.8%

Release to soil 1000 kg/hr
Distribution:
Air: 1.71 E-6%, water: 0.00347%, soil 99.8%, sediment 0.157%

STP fugacity model 10000 Bio P.A.S, temp. 25deg. C): Total removal: 94.03% total biodegradation: 0.78%.
Primary sludge: 59.89 %, waste sludge: 33.36%, final water effluent: 5.97%

Applicant's summary and conclusion

Conclusions:
When released into the environment the substance is predicted to mainly distribute to soil and sediment. In sewage treatment plants it is expected to be eliminated via adsorption to sludge.