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Preliminary Investigation and Evaluation Report <br /> PACIFIC AUTO CENTER <br /> I25355 N. Highway 99,Acampo, California <br /> TABLE OF CONTENTS <br /> I <br /> ISECTION PAGE <br /> 10 INTRODUCTION AND SCOPE OF WORK 1 <br /> I20 BACKGROUND I <br /> I30 PROCEDURES 1 <br /> 31 REVIEW OF HISTORIC REGIONAL DEPTH TO GROUND WATER MAPS <br /> 2 <br /> 32 ADVANCEMENT OF PROBE BORINGS 2 <br /> 3 3 SOIL BORINGS AND MONITORING WELL INSTALLATION 2 <br /> 33 1 Soil and Grab Groundwater Sample Collection 2 <br /> 3 32 Logging 3 <br /> I� 3 3 3 Monitoring Well Installation 3 <br /> 3 3 4 Equipment Decontamination 4 <br /> 33 5 Monitoring Well Survey 4 <br />' 3 3 6 Well Development 4 <br /> 34 QUARTERLY MONITORING AND SAMPLING ACTIVITIES 5 <br /> 40 FINDINGS 5 <br /> 41 SOIL PROFILE 6 <br /> 42 FIELD EVIDENCE OF HYDROCARBON-IMPACTED SOIL AND GROUND <br /> WATER 6 <br /> 43 GROUND WATER ELEVATION AND GRADIENT 6 <br />' 44 RESULTS OF SOIL SAMPLE ANALYSIS 6 <br /> 45 RESULTS OF GROUND WATER SAMPLE ANALYSIS 7 <br /> 50 SUMMARY AND CONCLUSIONS 7 <br /> 60 RECOMMENDATIONS 8 <br /> 70 LIMITATIONS 8 <br />' Advanced GeoEnuronmentai,Inc <br />