Soil/ Sediment Exposure Pathways

Exposure pathways evaluated for soil and sediment include incidental ingestion, inhalation, dermal contact, external exposure, and agricultural pathways. Table 1 summarizes the pathways that can be evaluated for each scenario in SADA.

Table 1. Soil/Sediment Exposure Pathways by Scenario

Landuse/Pathway

Residential

Industrial

Recreational

Excavation

Agricultural

Incidental Ingestion

Yes

Yes

Yes

Yes

Yes

Inhalation

Yes

Yes

Yes

Yes

Yes

Dermal Contact

Yes

Yes

Yes

Yes

Yes

External

Yes

Yes

Yes

Yes

Yes

Vegetable Ingestion

Yes

No

No

No

Yes

Milk Ingestion

Yes

No

No

No

Yes

Incidental Soil/Sediment Ingestion

Soil/Sediment Inhalation

Soil/Sediment Dermal Contact

External Exposure

Soil/Sediment Produce Ingestion

Soil/Sediment Beef Ingestion

Soil/Sediment Milk Ingestion