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Environmental Assessment Report u <br /> San Joaquin Catholic Cerneln,CemetM Lane and Harding Way,Stockton CA June 29 1995 <br /> CONTENTS <br /> 10 INTRODUCTION 1 <br /> 20 ADDITIONAL ASSESSMENT WORK 1 <br /> 21 Background Review/Permitbng/Site-Specific Health and Safety Plan 1 <br /> 22 Soil Borings 1 <br /> 23 Sall Sampling 1 <br /> 24 Soil Vapor Extraction Well Installation 2 <br /> 30 SITE CONDITIONS 3 <br /> 31 Results of Soil Sampling 3 <br /> 32 Extent of Hydrocarbon-Impacted Material 3 <br /> 40 SOIL VAPOR EXTRACTION TEST 3 <br /> 41 Methodology 3 <br /> 42 Soil Vapor Extraction Test Results 4 <br /> 43 Vadose Zone Modeling 5 <br /> 44 Summary of Test Results 5 <br /> 50 CONCLUSIONS AND RECOMMENDATIONS 6 <br /> 51 Conclusions 6 <br /> 52 Recommendations 6 <br /> 60 REFERENCES <br /> Figures <br /> 1 Site Location Map <br /> 2 Site Vicinity Map <br /> 3 Site Plan <br /> 4 Hydrocarbon Distribution Map (Soil) <br /> 5 Hydrocarbon Distribution Map (Groundwater) <br /> 6 Vapor Extraction System Plume Coverage <br /> Tables <br /> 1 Soil Sample Analytical Results-BTEX and Petroleum Hydrocarbons <br /> 2 Groundwater Analytical Results and Monitoring Data <br /> 3 Soil Vapor Extraction Test Data <br /> 4 Summary of Soil Vapor Extraction Tests Results <br /> Graphs <br /> 1 Log vacuum versus distance VW-3 <br /> 2 Log vacuum versus distance VW-2D <br /> 3 Log vacuum versus distance VW-2S <br /> 4 Flow Rate versus Radius of Influence and Applied Vacuum <br /> Appendices <br /> A Well Installation Permit <br /> B Drilling Logs and Well Construction Specificabons <br /> C Laboratory Reports and Chain-of-Custody Manifests <br /> D Vadose Zone Modeling Output <br /> SJCCEAA ipilMit[171 <br /> GROMWAnR D <br /> TOI.00X <br />