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L <br /> M%Tc� <br /> 1117 Lone Palm Ave,Suite 201 <br /> r Modesto,CA 95351 <br /> Phone:209-579-2221 <br /> LLrr Fax: 209-579-2225 <br /> r <br /> k� <br /> TABLE OF CONTENTS <br /> Lr CONTENT PAGE <br /> 1.0 INTRODUCTION..............................................................................:...............................1 <br /> 1.1 Site Location............................................................................................................ <br /> r1.2 Background Information..........................................................................................1 <br /> 2.0 DISCUSSION.............................................:.......................................................................3 <br /> 2.1 Hydrogeology..........................................................................................................3 <br /> 2.2 Stratigraphy...................................:..........................................................................4 <br /> 2.2.1 Recent Deposits ...........................................................................................4 <br /> 2.3 Investigation Results................................................................................................4 <br /> 2.4 Mass Calculations for Site Specific Compounds.....................................................6 <br /> 3.0 REMEDIAL OBJECTIVES.............................................................................................6 <br /> 3.1 Soil Remediation Alternatives.................................................................................7 <br /> 3.1.1 Natural Attenuation and Groundwater Monitoring A 7 <br /> 3.1.2 Enhanced Natural Attenuation....................................................................8 <br /> 3.1.3 Soil Vapor Extraction (SVE)........................................................................8 <br /> 3.2 Groundwater Remediation Alternatives ..................................................................9 <br /> 3.2.1 Groundwater Extraction with Biological Treatment and Bio-Enhanced <br /> Infiltration... 9 <br /> 3.2.2 Ozone Sparging..........................................................................................10 <br /> 4.0 REMEDIATION ALTERNATIVES EVALUATION.................................................10 <br /> 4.1 Criterion Evaluation...............................................................................................1 l <br /> 5.0 RECOMMENDATIONS.................................................................................................12 <br /> 6.0 REFERENCES...........................................................................................:.....................13 <br /> TABLES <br /> Table 1: Groundwater Monitoring Data <br /> Table 2: Summary of Groundwater Analytical Results <br /> Table 3: Summary of Soil Analytical Results <br /> L <br />