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I <br /> • TABLE OF CONTENTS <br />' Page <br /> 1.0 INTRODUCTION................................................................................................... ......1-- <br /> 2.0 r2.0 SITE HISTORY.......................................................................................................`.......1 <br /> 21 Site Description 1 <br /> 22 Underground Storage Tank Removal 1 <br />' <br /> 23 Domestic Wells and Septic Fields 2 <br /> 24 Chronology and Previous Site Assessments 2 <br /> 25 Lithology 4 <br />' 26 Hydrogeologic Setting 4 <br /> 2 6 1 Groundwater Gradient and Flow Direction 4 <br /> 262 Sensitive Receptor Survey 4 <br />' 3.0 PERMITTING/SITE-SPECIFIC HEALTH AND SAFETY PLAN............................5 <br /> 4.0 SOIL BORINGS, SAMPLING,AND WELL INSTALLATION.................................5 <br /> 41 Soil Bonngs 5 <br />' 42 Soil Sampling 6 <br /> 43 Air Sparge and Soil Vapor Extraction Well Installation 6 <br />' 5.0 MONTHLY WELL SAMPLING....................................................................................7 <br /> 5 1 Domestic Well and Monitoring Well MW-7 Sampling 7 <br /> 5 11 Domestic Well and Monitoring Well MW-7 Sample Results 7 <br /> lie5 2 Domestic Well Nitrate Sample Collection and Results 7 <br /> 6.0 ANALYTICAL RESULTS...............................................................................................8 <br /> 61 Results of Soil Sampling 8 <br />' 7.0 SVE/AS FEASIBILITY TEST.........................................................................................S <br /> 7 1 Feasibility Test Activities 8 <br /> 7 1 1 Scope of Feasibility Test 8 <br />' 7 1 2 Feasibility Test Equipment 9 <br /> 7 1 3 Description of Test Wells and Monitoring Points 9 <br /> 7 1 4 Monitoring, Test &Field Procedures, and Sample Collection 9 <br />' <br /> 72 Feasibility Test Results 10 <br /> 7 2 1 Vapor Extraction Results for Tests#1, #2, and#3 10 <br /> 7 2 2 Vapor Extraction Results for Test #4 11 <br /> 7 2 3 Vapor Extraction/Air Sparge Results for Test #5 11 <br /> 724 Soil Vapor Analytical Results 12 <br /> 7 2 5 SVE Mass Removal Rates 12 <br /> 73 Vapor Extraction and Air Sparge Radius of Influence 13 <br /> 8.0 EXTENT OF PETROLEUM HYDROCARBONS...................................................... <br /> 8 1 Extent of Petroleum Hydrocarbons Adsorbed to Soil 13 <br /> 82 Extent of Petroleum Hydrocarbons Dissolved in Groundwater 13 <br /> 83 Estimated Mass of Petroleum Hydrocarbons 13 <br /> 9.0 EVALUATION OF REMEDIATION ALTERNATIVES..........................................14 <br />' <br /> 91 Soil and Groundwater Remediation Goals 14 <br /> 92 Evaluation of Remedial Alternatives 14 <br /> 93 Remedial Alternative Recommendation 15 <br /> File RB-PAR-Report doc i SECOR International Incorporated <br /> I <br />