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Fourth Quarter 2004 and Annual Remediation Report <br /> • CHAPIN BROTHERS INVESTMENTS, INC. <br /> ' 1766 Monte Diablo Avenue, Stockton, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> ' 1.0. , INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0 PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> ' 21 GROUND WATER TREATMENT OPERATION 1 <br /> 22 GROUND WATER TREATMENT MONITORING PROCEDURES 2 <br /> 23 QUARTERLY GROUND WATER MONITORING AND SAMPLING 3 <br /> 2 3 1 Well Monitoring and Evacuation 3 <br /> 2 3 2 Ground Water Sample Collection and Analysis 3 <br /> 3.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 31 GROUND WATER TREATMENT RESULTS 4 <br /> 3 1 1 Laboratory Analysis of Influent and Effluent Ground Water Samples 4 <br /> 3 12 Mass-Volume Removal Calculations 6 <br /> 32 GROUND WATER MONITORING RESULTS 6 <br /> ' . 3 2 1 Ground Water Elevations and Gradient 6 <br /> 3 2 2 Analytical Results of Ground Water Samples 7 <br /> ' 4.0 SUMMARY AND CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6 0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 -Site Plan <br /> Figure 3 - Ground Water Contours <br /> Figure 4 -Dissolved Contamination <br /> �i <br /> Advanced GeoEnvironmenfal,Inc <br />