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Figure 5 <br /> Preliminary Conceptual Site Model <br /> Favorite Cleaners <br /> 622 E Charter Way, Stockton, California <br /> Primary Human Receptors <br /> Release Secondary Transport Exposure <br /> Primary Source Mechanism Source Mechanism Medium Exposure Point Exposure Route On-Property <br /> Commercial/ <br /> Industrial Construction <br /> Residential Workers Workers <br /> Potential VOCs and On-Property <br /> petroleum hydrocarbons ____________ Surface Soil Soil Surface/Shallow Ingestion <br /> --> _Suspension in Air <br /> from former dry cleaner Leaks, Spills (0 to 2 feet) -- — ----, Soil Dermal /Absorption <br /> opertations and nearby — (wind erosion) <br /> 1— --� <br /> gasoline stations I I ___V_olatiliz_atio_n____ <br /> W � Air On-Property Inhalation <br /> Ambient Air <br /> Subsurface Volatilization/Suspension in Air <br /> ------ Soil (during earthmoving activities) <br /> 1 (2 to 10 feet) On-Property Ingestion <br /> I <br /> I i Soil > Subsurface Soil Dermal /Absorption <br /> (n I Leaching/Infiltration/Percolation <br /> �1 I <br /> 0° I I <br /> 01 jOn-Property/ Ingestion <br /> o I Groundwater Water Off-Property Dermal /Absorption <br /> N Water Inhalation <br /> N <br /> o I I Volatilization into Porespace <br /> I On or Off-Property Inhalation <br /> 1 Indoor Air <br /> I _— Diffusion,Advection <br /> 1------- Soil Vapor — <br /> ---> Air <br /> On or Off-Property Inhalation <br /> Ambient Air <br /> Legend: <br /> is Pathway is complete or potentially complete. <br /> G Pathway potentially complete but can be eliminated with environmental controls <br /> �'� Ecological Receptors are not present on or off Property. <br />