EPA-Expo-Box (A Toolbox for Exposure Assessors)
Inorganics and Fibers
The relevant pathways of exposure to inorganics vary based the type of inorganic. Exposure to inorganics occurs most commonly from ingestion (food, soil [incidental], drinking water) or inhalation (dust). Exposure from dermal contact (e.g., from contaminated soil) can also occur. Exposure to fibers such as asbestos occurs mainly through inhalation. Lead and mercury have been studied at length due to the health effects related to exposure, so examples related to those metals are provided below. The Routes Tool Set of EPA-Expo-Box provides additional information and resources organized by route.
|Route||Example(s) for Inorganics and Fibers|