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A S S O C I A T E S I N C <br /> 4 <br /> TABLE OF CONTENTS <br />' CONTENT PAGE <br /> 1.0 INTRODUCTION........................... ............. .. 1 <br /> 11 Site Location 1 <br /> 12 Site Background 1 <br />' 2.0 SUBSURFACE INVESTIGATION METHODS AND PROCEDURES ... .................2 <br /> 21 Drilling Activities 3 <br /> 2 1 1 GeoProbe® Drilling Activities 3 <br />' 2 1 2 Soil Sample Analysis 3 <br /> 2 1 3 Groundwater Sampling and Analysis 3 <br /> 2 14 Hollow Stem Auger Drilling Activities 3 <br />' <br /> 22 Sampling and Analysis 4 <br /> 23 Groundwater Monitoring Well Construction 4 <br /> 24 Monitoring Well Development 5 <br /> 25 Groundwater Sampling and Analysis 5 <br /> 2 5 1 Third Quarter 2001 Monitoring Activities 5 <br /> 2 5 2 Fourth Quarter 2001 Monitoring Activities 5 <br />' <br /> 30 SUBSURFACE CONDITIONS. . ..... ......... ... ..... .. .... .. ...... .6 <br />' 31 Geology 6 <br /> 32 Hydrogeology 6 <br /> 3 2 1 Third Quarter 2001 Event 6 <br /> 3 2 2 Fourth Quarter 2001 Event 7 <br /> 4.0 DISTRIBUTION OF PETROLEUM HYDROCARBONS. . ... ..... ................. ..... . .. 7 <br />' <br /> 41 Petroleum Hydrocarbons in Soil 7 <br /> 42 Petroleum Hydrocarbons in Groundwater 7 <br />' 5.0 VAPOR EXTRACTION PILOT TEST .. . .... ... .. . ........................................... ..... ....8 <br /> 51 Vapor Extraction Test Methods and Procedures 8 <br /> 5 2 Vapor Extraction Test Results 9 <br />' <br /> 60 AIR SPARGE PILOT TEST...................... .. . ....11 <br /> 61 Baseline Data Collection and Startup 11 <br /> 62 Pilot Test Monitoring Program 12 <br /> 63 Air Sparge Pilot Test Results —Radius of Influence Evaluation 12 <br /> 64 Air Sparge Pilot Test Results—Dissolved Phase Petroleum Hydrocarbons 13 <br /> 65 Air Sparge Pilot Test Results —Petroleum Hydrocarbon Mass Removal 14 <br />