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t <br /> DRYWELL CLOSURE AND INVESTIGATION WORK PLAN <br /> NEIL O. ANDERSON &ASSOCIATES <br /> TABLE OF CONTENTS <br /> EXECUTIVESUMMARY...................................................................................................... 1 <br /> 1.0 INTRODUCTION .........................................................................................1...1.11...... 2 <br /> 1.1 Purpose.............................................................................................................. 2 <br /> 1.2 Guidance Documents........................................................................................... 2 <br /> 2.0 BACKGROUND.......................................................................................................... 2 <br /> 2.1 Site Location....................................................................................................... 2 <br /> ' 2.2 Site Description................................................................................................... 2 <br /> 1 2.3 Facility History and Current Operations ................................................................. 3 <br /> 2.4 Physical Setting................................................................................................... <br /> 3 <br /> 2.5 Geologic Conditions............................................................................................. 3 <br /> 2.5.1 Regional Geology 3 <br /> 1 2.5.2 Site-Specific Geology 4 <br /> 2.6 Hydrogeologic Conditions..................................................................................... 4 <br /> 2.6.1 Regional Hydrogeology ................................................................................. 4 <br /> 2.6.2 Site-Specific Hydrogeology ............................................................................ 4 <br /> 3.0 DRYWELL DESTRUCTION ACTIVITIES........................................................................ 5 <br /> 3.1 Pre-Field Activities............................................................................................... 5 <br /> ' 3.2 Destruction Activities........................................................................................... 5 <br /> 3.2.1 Well Destruction Methodology ....................................................................... 5 <br /> ' 3.2.2 Waste Disposal............................................................................................. 5 <br /> 1 3.2.3 Reporting..................................................................................................... 5 <br /> 3.3 Health and Safety Plan ........................................................................................ 6 <br /> ' 4.0 SAMPLING AND ANALYSIS PLAN................................................................................ 6 <br /> 4.1 Sampling Objectives............................................................................................ 6 <br /> 4.2 Sampling Locations and Depths............................................................................ 6 <br /> 902 industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02014 Neil O.Anderson&Associates,Inc <br />