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WA <br /> PLATES Working To Restore Nature <br /> PLATE 1. SITE VICINITY MAP <br /> PLATE 2 GENERALIZED SITE PLAN <br /> PLATE 3 SOIL SAMPLE LOCATION MAP -TANK PIT AND DISPENSER ISLAND <br /> EXCAVATION <br /> PLATE 4 VAPOR EXTRACTION AREA OF INFLUENCE <br /> PLATE 5 GEOLOGIC CROSS-SECTION A-A' <br /> PLATE 6 GEOLOGIC CROSS-SECTION B-B' <br /> PLATE 7 GEOLOGIC CROSS-SECTION C-C' <br /> PLATE 8 POTENTIOMETRIC MAP (March 9, 1992) <br /> PLATE 9 POTENTIOMETRIC MAP (August 27, 1992) <br /> PLATE 10 POTENTIOMETRIC MAP (September 9, 1992) <br /> PLATE 11 CONCENTRATION OF TPHg IN SOIL (15-25 FEET) <br /> PLATE 12 CONCENTRATION OF TPHg IN SOIL (30-40 FEET) <br /> PLATE 13 CONCENTRATION OF TPHg IN SOIL (45-56 FEET) <br /> PLATE 14 TPHg CONCENTRATION IN GROUND WATER (Third Quarter 1992) <br /> PLATE 15- BENZENE CONCENTRATION IN GROUND WATER <br /> TABLES <br /> TABLE 1 SUMMARY OF SOIL BORINGS <br /> TABLE 2 SUMMARY OF WELLS <br /> TABLE 3 LABORATORY METHODS <br /> TABLE 4 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM TEST <br /> PITS NEAR DISPENSER ISLAND <br /> TABLE 5 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM <br /> FORMER TANK PIT <br />` TABLE 6 HYDROCARBON CONCENTRATIONS IN SOIL SAMPLES FROM <br /> BORINGS <br /> TABLE 7 HYDROCARBON CONCENTRATIONS IN GROUND-WATER SAMPLES <br /> TABLE 8 GROUNDWATER ELEVATIONS <br /> TABLE 9 NITRATE AND COLIFORM BACTERIA IN GROUND-WATER <br /> SAMPLES <br /> APPENDICES <br /> APPENDIX A FIELD PROCEDURES <br /> APPENDIX B UNIFIED SOIL CLASSIFICATION SYSTEM AND LOGS OF <br /> BORINGS <br /> APPENDIX C GEOTECHNICAL RESULTS AND SURVEY MAP <br /> APPENDIX D CHAIN OF CUSTODY RECORDS AND LABORATORY <br /> REPORTS <br /> F APPENDIX E PUMPING TEST <br /> 38032-10 <br /> E <br />