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TABLE OF CONTENTS <br /> 1 0 INTRODUCTION <br /> I I Risk Assessment Overview <br /> 12 Stockton Site Risk Assessment Overview <br /> 20 CHEMICALS OF INTEREST AND TOXICITY CRITERION 2 - I <br /> 21 Chemicals of Interest and Toxicity Factors 2 - 1 <br /> 22 TPH Results and Composition of Diesel Fuel 2 - 3 <br /> r <br /> 30 EXPOSURE PATHWAY EVALUATION 3 - 1 <br /> 40 SITE CONDITIONS AND CALCULATIONS OF THE SSTLs 4 - 1 <br /> 41 Site Parameters 4 - 2 <br /> 42 Exposure Parameters 4 - 4 <br /> 43 Physical and Chemical Properties of COIs 4 - 4 <br /> 44 Volatilization Factors 4 - 4 <br /> 4 5 Site-Specific Target Levels 4 - 5 <br /> 50 REFERENCES 5 - 1 <br /> LIST OF TABLES <br /> Table 1 Summary of Analytical Results for Site Soil Samples <br /> Table 2 Summary of Analytical Results for 1995 Site Groundwater Samples <br /> Table 3 Chemical-Specific Parameters - Toxicity Parameter <br /> Table 4 Site Parameters for Former Safeway Meat Packing Plant, Stockton, California <br /> Table 5 Exposure Parameters for RBCA Former Safeway Meat Packing Facility, Stockton, <br /> California <br /> Table 6 Chemical-Specific Parameters - Physical/Chemical Properties <br /> Table 7 Effective Diffusion Coefficients, Leaching Factor, and Soil Saturations <br /> Concentrations for RBCA Evaluation <br /> Table 8 Volatilization Factors (Vis) <br /> Table 9 Risk Based Corrective Action SSTLs Based on Carcinogenic Effects for <br /> Conunercia 4ndustrial Receptors <br /> Table 10 Risk Based Corrective Action SSTLs Based on Noncarcinogenic Effects <br /> Table i 1 Summary and Selection of Site-Specific Target Levels <br /> D131Cba1 <br />