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RGURE 3-1 <br /> POTENTIAL CONCEPTUAL SITE MODEL <br /> Caltrans Shop 100 , &ockton, California <br /> Pnmary Secondary Release Mechanisms& Transport Fate of Exposure Potential <br /> Source Source Transport Procesees Media Contartunants Route Receptor <br /> Ingestion - <br /> Contaminated Storm Water Erosion """ Surface Water r Off-este Migration Inhalation - <br /> Solis of Surface Soils and Runoff Dermal - <br /> Sediment Transport <br /> Wind Erosion of Ingestion - <br /> Sods/ Fugitive Dust Air j-0 On-site/Offisite Inhalation - <br /> Radeposition Surface Sod Dermal - <br /> Leake <br /> Residual Contaminants -d volatilize ttan Sod Gas Atmosphere Ingestion <br /> in Surface and Inhalation + <br /> Subsurface Sods Dermal - <br /> Contaminated Advection lDiffueion -� Saturated Potential Ingestion + <br /> Groundwater Zone Off-site Mi ration Inhalation + <br /> Dermal + <br /> Incomplete exposure pathway <br /> + Complete exposure pathway <br />� I <br /> 1 <br /> Sheet 1 of 1 <br />