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1 S ECOR <br />' Request for No Further Action <br /> • Chevron Station 9-2396 <br /> December 16,2004 <br /> Page i <br /> TABLE OF CONTENTS <br /> 1 0 INTRODUCTION 1 <br />' 2 0 SETTING 1 <br /> 21 Geology 1 <br /> 2 2 Stratigraphy 2 <br />' 2 3 Hydrogeology 2 <br /> 3 0 CURRENT SITE CONDITIONS AND SITE BACKGROUND 3 <br /> 3 1 Current Site Conditions 3 <br /> 1 3 2 Previous Investigations 3 <br /> 3 3 Well Search and Field Survey 5 <br /> 4 0 EXTENT OF PETROLEUM HYDROCARBON IMPACTS 6 <br /> 1 4 1 Petroleum Hydrocarbons Adsorbed to Soil 6 <br /> 4 2 Estimated Mass of Hydrocarbons Remaining in Soil 7 <br /> 4 3 Petroleum Hydrocarbons Dissolved in Groundwater 7 <br /> 1 4 4 Estimated Mass of Hydrocarbons Remaining in Groundwater 7 <br /> 5 0 SITE REMEDIATION 8 <br /> 6 0 CONCLUSIONS 8 <br />,. 7 0 RECOMMENDATIONS 9 <br /> 1 <br /> i <br /> 1 <br /> • <br /> 1 <br /> 1 1 1Chevron1923961Reports\FINAL_NFAR_REPORT doc <br />