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W7 <br /> NeRlli <br /> �.. P 1• .w <br /> i <br /> CONTENTS <br /> INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> SITE BACKGROUND AND ADJACENT PROPERTY , , . . . , , , 2 <br /> PROXIMITY OF WELLS AND UTILITIES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> REGIONAL GEOLOGY AND HYDROGEOLOGY . . . . . . . . . 4 <br /> PREVIOUS WORK 4 <br /> Soil Borings and Soil Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . S <br /> ® Labwatoy Analyses and Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> Conclusions . . . . . . . . . . . : . . 9 <br /> PROPOSED WORK . . . . . . . . . . . . . . . . . . 10 <br /> FIELD PROCEDURES . 12 <br /> ® Safety Plan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12 <br /> Excavation of Existing Tank Cavity 12 <br /> Excavation of Proposed Tank Cavity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13 <br /> Excava+ion of Waste-Oil Cavity . . . . . . . . . . . . . . . . . . . . . . . . . . . 14 <br /> Estimate of Excavated Soil . >. . . 15 <br /> Methods of Collecting Soil Samples 15 <br /> Installation of Conductor Casing . . . . . . . . . . . . . 16 <br /> 5 . LABORATORY ANALYSES <br /> 16 <br /> a <br /> i o OBTAINING APPROVAL FOR TANK <br /> INSTALLATION . . . 17 <br /> . . <br /> REPORT PREPARATION . . .. . . : . . . 18 . <br /> PROJECT PERSONNEL. . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . ... . . . . 1$ <br /> REFEREYCES CITED . . . . . . . . . . . . . . 19 <br /> f f . <br /> 4 <br />