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4 <br /> I.q <br /> CONTENTS <br /> Page <br /> 1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0 SITE BACKGROUND AND ADJACENT PROPERTY . . . . . . . . . . . . . . . . . 2 <br /> 3.0 REGIONAL GEOLOGY AND HYDROGEOLOGY . . . . . . . . . . . . . . . . . . . 3 <br /> <. <br /> 4.0 PROXIMITY OF WELLS AND UTILITIES . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 3 <br /> 5.0 PREVIOUS WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 6.0 PROPOSED WORK . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 6.1 Soil Excavation . . . . . . . . . . . . . . . . . . . . . . <br /> 6.1.1 Existing Tank Cavity Excavation . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 5 z <br /> ation . . . . . . . . . . . . . . . . . . <br /> 6.1.2 New Tank Cavity Excav . . . . . . . . . . <br /> a 6.2 Soil Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> C } 6.3 Laboratory Analyses <br /> x 6.4 Site Safety Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> }} 7.0 SUBMITTAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> =5 i <br /> 8.0 REFERENCES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 ; <br /> TABLES <br /> p 1. Summary of Well Data for Area Around ARCO Servcice Station No. 6100,25775 <br /> Patterson Pass Road, Tracy, California. <br /> i 2. Concentrations of Hydrocarbons in Soil Samples <br /> FIGURES <br /> 1. Site Vicinity Map <br /> 2. Generalized Site Plan <br /> i 3. Approximate Limits of Proposed Excavation <br /> } t <br /> APPENDICES <br /> A. Applied GeoSystems Limited Environmental Investigation Report <br /> B. Site Safety Plan <br /> Doc #AR06767W.L 1 <br />