Registration Dossier

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: Internationally accepted method, EPI Suite, EPA (USA)

Data source

Reference
Reference Type:
other: calculation
Title:
Unnamed
Year:
2008
Report date:
2008

Materials and methods

Model:
other: calculation
Calculation programme:
Calculation by EPI-Suite, EPA (USA) v3.20 / Fugacity_LEVEL3NT
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
TCA
EC Number:
211-479-2
EC Name:
TCA
Cas Number:
650-51-1
Molecular formula:
C2HCl3O2.Na
IUPAC Name:
trichloroacetic acid

Study design

Test substance input data:
No data

Results and discussion

Percent distribution in media

Air (%):
0.42
Water (%):
50.1
Soil (%):
49.4
Sediment (%):
0.1
Other distribution results:
Persistence time: 1110 h = 46 d
Half lifes; Air: 100,000 h = 4167 d =11 a; Water: 1440 h = 60 d; Soil: 2880 h = 120 d; Sediment: 13,000 h = 542 d;
Volatilization from water; Half life vom Model river: 33,220 h = 1384 d; from Model Lake: 362,500 h = 15,104 d = 41 years

Any other information on results incl. tables

Percent distribution in media: Air: 0.422%; Water: 50.1%; Soil: 49.4%; Sediment: 0.0973% Persistence time: 1110 h = 46 d. Half lifes; Air: 100,000 h = 4167 d =11 a; Water: 1440 h = 60 d; Soil: 2880 h = 120 d; Sediment: 13,000 h = 542 d; Volatilization from water; Half life vom Model river: 33,220 h = 1384 d; from Model Lake: 362,500 h = 15,104 d = 41 years.

Applicant's summary and conclusion

Conclusions:
Percent distribution in media:
Air: 0.422%; Water: 50.1%; Soil: 49.4%; Sediment: 0.0973%
Persistence time: 1110 h = 46 d.
Half lifes; Air: 100,000 h = 4167 d =11 a; Water: 1440 h = 60 d; Soil: 2880 h = 120 d; Sediment: 13,000 h = 542 d; Volatilization from water; Half life vom Model river: 33,220 h = 1384 d; from Model Lake: 362,500 h = 15,104 d = 41 years.
Executive summary:

Using the Fugacity_LEVEL3NT model of EPI Suite, EPA (US) v3.20, the following results were obtained:

Percent distribution in media:

Air: 0.422%; Water: 50.1%; Soil: 49.4%; Sediment: 0.0973%

Persistence time: 1110 h = 46 d.

Half lifes; Air: 100,000 h = 4167 d =11 a; Water: 1440 h = 60 d; Soil: 2880 h = 120 d; Sediment: 13,000 h = 542 d; Volatilization from water; Half life vom Model river: 33,220 h = 1384 d; from Model Lake: 362,500 h = 15,104 d = 41 years.