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L tz <br /> C`0 <br /> TABLE OF CONTENTS <br /> INTRODUCTION. . <br /> it BACKGROUND. . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . • . . . . . . 1 <br /> 2 <br /> SITE SETTING AND HISTORY. . 2 <br /> SUBSURFACE CONDITIONS. . . • . . . . <br /> SITE REMEDIATION. . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 12 <br /> + PROPOSED WORK PLAN. . . . . . . . <br /> x PROPOSED WORK STEPS, . • • . . . . . . . . . . • • . . • • . . • . I5 <br /> Lt CLOSURE 18 <br /> yj . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20 <br /> FIGURES <br /> FIGURE 1 — SITE LOCATION MAP. . . <br /> . . . . <br /> 3 <br /> FIGURE 2 SITE PLAN. <br /> 4 <br /> F FIGURE 3 — GENERALIZED GEOLOGIC •CROSS 'SECTION A—Ar . . . . . • . . . . , 8 <br /> e • <br /> FIGURE 4 .— GENERALIZED GEOLOGIC CRO SECTION B—B' . • . • . . . • . • <br /> t 9 <br /> FIGURE 5 — TPH AS GASOLINE CONCENTRATIONS IN SOIL A—A' , . , • . • <br /> . 10 i <br /> FIGURE 6 — TPH AS GASOLINE CONCENTRATIONS IN SOIL . • • , , <br /> B—B' . . . . . . . 11 <br /> s FIGURE 7 — APPROXIMATE EXTENT OF HYDROCARBONS IN SOIL. . . . . . . . 13 <br /> i FIGURE 8 — SOIL <br /> k ' VENTILATION SYSTEM. . . .. . . <br /> 14 <br /> FIGURE 9 — PROPOSED SOIL VENT SYSTEM. . . . <br /> �C ` <br /> KFy • • . • • . • . • • • • • • • • • • V <br /> i FIGURE 10 - VAPOR EXTRACTION WELL SCHEMATIC. . . . . . . . . . . . . . . . . . 17 <br /> x <br /> 3 <br /> b� TABLE <br /> }[rte 3 <br /> TABLE I — SOIL SAMPLE ANALYSIS SUMMARY. , , . , , , , , , , , <br /> ffF <br /> 6 <br /> '�r to . . . . . . . . . <br /> T"M <br /> APPENDICES <br /> APPENDIX I <br /> — DRILL LOGS I <br /> yh APPENDIX II LABORATORY ANALYS,ZSLi ; <br /> APPENDIX III. UNIFIED:SOIL CLASSIFICATION SYSTEM <br /> Q ?,F1 i APPENDIX IV SOIL SAMPLE LOCATIONS I <br /> 4�h -• - <br /> 1 f <br /> 4 <br />