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IN PRIMARY SECONDARY POTENTIAL POTENTIAL POTENTIAL F. ts,oP�aP <br /> TRANSPORT EXPOSURE EXPOSURE J4�� C' �� <br /> SOURCES SOURCES MECHANISMS PATHWAYS ROUTES <br /> o � <br /> AFFECTED SOIL <br /> SURFACE SOILS CONTACT <br /> <3-FEET WIND EROSION AND <br /> ATMOSPHERIC INGESTION <br /> SPILLS AND DISPERSION <br /> LEAKS FROM <br /> TTORICAL AIR <br /> SUBSURFACE HISTORICAL INHALATION <br /> SITE <br /> SOILS <br /> ATMOSPHERIC <br /> AND INDOOR <br /> R C <br /> OPERATION DISPERSION <br /> OUTDOOR INWALATION <br /> DISSOLVED VOLATILIZATION AND <br /> GROUNDWATER ENCLOSED SPACE <br /> PLUME ACCUMULATION <br /> DERMAL <br /> LEACHING AND <br /> CONTACT <br /> GROUNDWATER GROUNDWATER <br /> NON-AQUEOUS TRANSPORT INGESTION <br /> PHASE LIQUID <br /> (NAPL) <br /> MOBILE NAPL <br /> MIGRATION <br /> AFFECTED DERMAL <br /> SURFACE SOILS CONTACT <br /> OR SURFACE SURFACE WATER <br /> WATER <br /> STORM WATER/ INGESTION <br /> SURFACE WATER <br /> TRANSPORT <br /> LEGEND <br /> ® INCOMPLETE PATHWAY FIGURE 7 <br /> POTENTIAL EXPOSURE PATHWAY MODEL <br /> * ASSUMES WORKERS ARE APPRISED OF THE POTENTIAL HAZARDS <br /> CONSTRUCTION WORKERS ASSUMED NOT TO BE EXCAVATING AT SITE IN ARCO SERVICE STATION 6100 <br /> VICINITY OF DISPENSER ISLANDS DEEPER THAN THREE FEET BELOW 25775 SOUTH PATTERSON PASS <br /> GROUND SURFACE MAINTAINANCE WORKERS ASSUMED NOT TO BE TRACY, CALIFORNIA <br /> EXCAVATING AT SITE BUILIDING SLAB ASSUMED TO BE INTACT <br /> PROJECT 4 DRAWN BY ��IFIJrj / <br /> U 6100-04-04 KIN 05/12/02___ CJ <br /> FILE NO PREPARED BY ENVIRONMENTAL INC <br /> 6100 G K <br /> REVISION Kin REVIEWED BY <br /> Ak <br /> 1 <br /> w NEW <br />