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f <br /> TABLE OF CONTENTS <br /> INTRODUCTION . . 2 <br /> LOCAL HYDROGEOLOGY . .. . ...2 <br /> SITING DOWNGRADIENT OF TPHg PLUME FOR "LATERAL EXTENT".. 3 <br /> PERMITS . .. .. . . . . . 3 <br /> FIELD ACTIVITIES • . . 3 <br /> SB8 GROUNDWATER SAMPLE RESULTS . . . . 4 <br /> VERTICAL AND LATERAL EXTENT . .. .. . 6 <br /> A Zone . . .6 <br /> B Zone. .. . 6 <br /> CURRENT CONDITIONS OF SITE . . . . 6 <br /> RECOMMENDATIONS 7 <br /> LIMITATIONS .. .. ..7 <br /> LIST OF FIGURES <br /> • 1 SITE VICINITY MAP <br /> 2 USGS TOPOGRAPHIC WITH 2000 FOOT RADIUS OF SITE <br /> 3 SITE LOCATION WITH MONITOR WELLS AND CPT LOCATIONS <br /> 4 GROUNDWATER GRADIENT A-ZONE DECEMBER 2000 <br /> 5 TPHg GROUNDWATER PLUME <br /> 6 BENZENE GROUNDWATER PLUME <br /> 7 MTBE GROUNDWATER PLUMES <br /> 8 STATION UPGRADE EXCAVATION <br /> 9 OVER-EXCAVATION OF RESIDUAL CONTAMINATED SOILS <br /> LIST OF APPENDIXES <br /> A "Workplan for Vertical and Lateral Extent Sampling Downgradient of MW 12" with UST <br /> Fund Pre-Approval <br /> B. Modeling "Determination of Distance and Degradation of TPHg, Benzene, and Toluene <br /> fromMW12 for siting SB8 sample location <br /> C Permits <br /> D. CPT Logs and field notes <br /> E. Laboratory Report <br /> F. Excavated Soil Sample Documentation Report, April 6, 2001 <br /> • <br /> 1 R-603 May 2001 <br />