TABLE 1.

Exposure Matrix for Major and Minor Exposure Pathways

	Exposure Pathways
Means of Intake	Air	Water	Soil or Dust	Food
Inhalation	Major route	Showering (volatiles)	Major route
Ingestion	Deposition on food	Major route	Major route; toddlers also gardeners, farmers	Major route
Dermal		Some organics through showers or swimming	Some organics from muds and slurries, farms

Source. Adapted from Gochfeld, M. An exposure matrix for multimedia environmental exposures. Environmental and Occupational Health Sciences Institute, Piscataway, New Jersey; 1996.