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Ecological Risk Assessment Training
Begin Hierarchical Links EPA Home > Research and Development > NCEA Home > Risk Assessment Forum > Ecological Risk Assessment Training > Analysis > Characterizing Exposure > Describing Stressor Distribution > Evaluating Transport Pathways from the Source End Hierarchical Links

 

Evaluating Transport Pathways from the Source

Assessors analyze environments to determine what pathways are available to convey stressors from a source to a receptor. The pathways available often depend on the type of stressor: physical, chemical, or biological.

Click on the empty boxes in the table below to read about possible pathways that correlate with the stressor types in the left column.

text-only alternative

Stressor Transport Pathways Example
Physical stressors * *
Chemical stressors * *
Biological stressors * *

reflection
Diffusion and Jump Dispersal of Biological Stressors
    

Relevant guidelines section(s): 4.2.1.2.1


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