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Environmental fate & pathways

Distribution modelling

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Administrative data

Endpoint:
distribution modelling
Type of information:
calculation (if not (Q)SAR)
Remarks:
Migrated phrase: estimated by calculation
Adequacy of study:
supporting study
Reliability:
2 (reliable with restrictions)
Rationale for reliability incl. deficiencies:
other: The calculation is well described and the result is considered acceptable

Data source

Reference
Reference Type:
other: unpublished information
Title:
No information
Author:
Dow Chemical

Materials and methods

Model:
calculation according to Mackay, Level III
Calculation programme:
Mackay Level III Model (version 2.1)
Media:
air - biota - sediment(s) - soil - water

Test material

Constituent 1
Chemical structure
Reference substance name:
Chloroethylene
EC Number:
200-831-0
EC Name:
Chloroethylene
Cas Number:
75-01-4
Molecular formula:
C2H3Cl
IUPAC Name:
chloroethene

Results and discussion

Percent distribution in media

Air (%):
99.98

Any other information on results incl. tables

The Level III model predicted that 99.98% of vinyl chloride directly emitted to the atmosphere will stay in the atmosphere.  The dominant removal process is reaction with atmospheric hydroxyl radical (T1/2 = 1.5 days).  The total estimated persistence of vinyl chloride in the atmosphere is 34.2 hours.  Less than 0.02% of the emitted vinyl chloride is predicted to migrate to the water, soil, or sediment compartments.

Applicant's summary and conclusion