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r <br /> PLATES <br /> PLATE 1 SITE VICINITY MAP <br /> PLATE 2 GENERALIZED SITE PLAN <br /> PLATE 3 VAPOR EXTRACTION AREA OF INFLUENCE <br /> PLATE 4 GEOLOGIC CROSS-SECTION A-A' <br /> PLATE 5 GEOLOGIC CROSS-SECTION B-B' <br /> PLATE 6 GEOLOGIC CROSS-SECTION C-C' <br /> PLATE 7 POTENTIOMETRIC MAP (JANUARY 13, 1993) <br /> PLATE 8 CONCENTRATION OF TPHg IN SOIL (15-25 FEET) <br /> PLATE 9 CONCENTRATION OF TPHg IN SOIL (30-40 FEET) <br /> PLATE 10 CONCENTRATION OF TPH9 IN SOIL (45-56 FEET) <br /> PLATE 11 TPHg CONCENTRATION IN GROUND WATER (THIRD QUARTER <br /> 1992) <br /> PLATE 12 BENZENE CONCENTRATION IN GROUND WATER (THIRD <br /> QUARTER 1992) <br /> PLATE 13 TPHg CONCENTRATION IN GROUND WATER (FIRST QUARTER <br /> 1993) <br /> PLATE 14 BENZENE CONCENTRATION IN GROUND WATER (FIRST <br /> QUARTER 3993) <br /> PLATE 15 PROPOSED SHALLOW VAPOR-EXTRACTION WELL LOCATIONS <br /> AND AREA OF INFLUENCE <br /> PLATE 16 PROPOSED VES SYSTEM AND PIPING TRENCH LOCATION <br /> PLATE 17 TIMELINE-VAPOR EXTRACTION & GROUND-WATER MONITORING <br /> TABLES <br /> TABLE 1 SUMMARY OF SOIL BORINGS <br /> TABLE 2 SUMMARY OF WELLS <br /> TABLE 3 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM TEST <br /> r PITS NEAR DISPENSER ISLAND <br /> TABLE 4 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM <br /> FORMER TANK PIT <br /> TABLE 5 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM <br /> BORINGS <br /> 40 TABLE 6 HYDROCARBON CONCENTRATIONS IN GROUND-WATER SAMPLES <br /> TABLE 7 NITRATE AND COLIFORM BACTERIA IN GROUNDWATER <br /> SAMPLES <br /> TABLE 8 GROUNDWATER ELEVATIONS <br /> i <br /> 0 <br />