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EPA EcoBox

EPA EcoBox Tools by Exposure Pathways

An exposure pathway is the pathway by which a stressorHelpstressorAny physical, chemical, or biological entity that can induce an adverse response (synonymous with agent). travels from a source to receptor(s) (U.S. EPA OSWER, 1997). A complete picture of how, when, and where exposure occurs or has occurred is developed by evaluating sources and releases of a stressor, distribution of a stressor in the environment, and extent and pattern of contact with a stressor (U.S. EPA, 1998). In evaluating potential exposure pathways for ecological receptors, air, soil, water, sediments, and food chain exposures are considered.


See information and tools related to air



See information and tools related to soil


Water SedimentWater and Sediment

See information and tools related to water and sediment


Food Chains and WebsFood Chains

See information and tools related to food chains

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