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ARCADIS GERAGHTY&MILLER <br /> ' TABLE OF CONTENTS <br /> EXECUTIVESUMMARY......... ......... ................ ....... ............................................ .v <br /> ' <br /> CERTIFICATION FICATION.................................... .......................................... ...viii <br /> 1. INTRODUCTION. ........ ..... ........................................ ....... ............. .... .............1 <br /> 2. BACKGROUND................. ........... . ..................... ....... ................................. .......4 <br /> 2.1 SITE DESCRIPTION AND HISTORY................................ ............. ...........................................4 <br /> ' 2 2 PREVIOUS SITE ENVIRONMENTAL ACTIVITIES..... ............. ..................................... ........ .4 <br /> 3 SITE HYDROLOGY GEOLOGY AND HYDROGEOLOGY...... ......... ............... .9 <br /> 31 REGIONAL HYDROLOGIC SETTING AND HISTORY.... , ..,.... <br /> 9 <br /> 3 2 SITE HYDROLOGIC SETTING.» .................................. ...................... ............................ ......10 <br />' 3 3 SITE SOIL CONDITIONS.......... . ...... . ..................... .. .................. ........... ... .............. .....10 <br /> 3 4 SITE GROUNDWATER CONDITIONS............. .......... .......... ....................... ............. .....11 <br />' 4. INVESTIGATION METHODS................... ........... ....... ................................. ....13 <br /> 4.1 PERMUTING..... .................»..... ............... . ... .... ... .... ........................ ............. .....13 <br /> 4.2 DRILLING AND SAMPLING.... ................ ............... ........ .... ........ ..................................13 <br /> 4 2 1 Moxutonng Well Drilling and Installation Hollow-Stena Auger Method 13 <br />' 4 2 2 Simultaneous Soil and Groundwater Sampling 14 <br /> 4 2 3 Simulprobe Sampling 14 <br /> 4 2 4 Groundwater Well Installation 15 <br />' 4 3 LABORATORY ANALYSES...... . ............................ . ........ ... .......... .............. ............. .....17 <br /> 4 3 1 Soil 17 <br /> 4 3 2 Water 1s <br /> 4.4 QUALITY ASSURANCE/QUALITY CONTROL..........» ....... .......... ........................................19 <br />' 4 5 WELL DEVELOPMENT...............................................................................................................19 <br /> 4.6 WELL SURVEY..................................... . .............................................».......................................20 <br /> 4.7 QUARTERLY GROUNDWATER MONITORING........................................................................»..20 <br />