Source apportionment models
This folder provides information on, and access to, methods for source apportionment, as part of environmental health impact assessment.
| Item | Type | Description |
| Chemical mass balance models | Factsheet | Regression-based mass balance methodology for source apportionment |
| Positive matrix factorisation | Factsheet | Factor analysis-based methodology of positive matrix factorisation, for source apportionment |
| Principal components analysis | Factsheet | Methodology for applying principal components analysis as a basis for source apportionment |
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