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i <br /> TABLE OF CONTENTS <br /> Padg <br /> 3i <br /> • • . . . .. . . . . 1 <br /> 1.0 INTRODUCTION . • • • • •• • • •' • " • . • •.• . .•. <br /> 1.1 Purpose and <br /> objectives 1 <br /> 1.2 Scope of Work . . • •. . . . . . • .. <br /> 2 <br /> ,..i 2.0 SXTE CHARACTERISTICS . . . . . . . . • • • . . " " <br /> 2 <br /> 2.1 Site History and Description 2 <br /> 2.2 Summary of Past Studies M 2 <br /> 2.2.1 Tank Excavation ' 1986• <br /> ,.{ 2.2.2 Preliminary Site1985 . . . . . . . . . .. . . . 3 <br /> investigation <br /> 2.2.3 Additional Site 3 <br /> Investigation - 1987 . <br /> 2.2.4 Ground Water Monitoring 4 <br /> and Sampling . . . . . . .. 4 <br /> andH drogeology . . . . . • <br /> 2.3 Regional Geology Y <br /> c:s5 <br /> ;,.0 FIELD METHODS AND PROCEDURES <br /> 3.1 Soil Borings and Sampling <br /> r T 3,2 Ground Water Monitoring Well 6 <br /> Construction . . . ... . . .. . . <br /> Monitoring Well Development and• 6 <br /> 3.3 <br /> j' <br /> Sampling • g . . . 7 <br /> 3.4 Ground Waterel Monitorin • <br /> Levand <br /> Surveying <br /> 7 <br /> 4.0 AQUIFER TESTING AND ANALYSIS <br /> 7 <br /> 4.1 Literature Review and Basis of Analysis... 8 <br /> 4.1.1 Pumped-Well Technique . . . . . . <br /> 4.1.2 Rata-Of-Rise and Rate-of-Fall .. .. . . 10 <br /> Techniques I1 <br /> . . . <br /> 12 <br /> 4.3 k'ieid Procedures y <br /> 4.4 Analysis of Aquifer Parameters , . , . . • .- <br /> 12 <br /> 5,0 ANALYTICAL b(ETHODS <br /> . . . 12 <br /> 5,1 Analysis of Soil Samples 12 <br /> 5.2 Analysis of Ground Water Samples . <br /> F . F. • a <br /> 6.0 SITE GEOLOGY AND BXDROGEOLOGY . . . .. . . • <br /> 13 <br /> 13 <br /> .s . <br /> 6.1 Site C,eology-.. . . . . . . . . . 13 <br /> 6.2 Site Hydrogeology <br />