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Quarterly Report - Second Quarter 2003 <br /> CALIFORNIA FUELS CARDLOCK STATION <br /> 2402 Pacific Avenue, Stockton, California <br /> TABLE OF CONTENTS <br /> SECTION PAGE <br /> 1.0. INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 <br /> 2.0. GROUND WATER MONITORING AND SAMPLING PROCEDURES . . . . . . I <br /> 2 1 WELL MONITORING AND EVACUATION PROCEDURES 1 <br /> 2 2 GROUND WATER SAMPLING 2 <br /> 23 LABORATORY ANALYSIS OF GROUND WATER SAMPLES 2 <br /> 3.0. SOIL VAPOR EXTRACTIONAN-SITU AIR SPARGE SYSTEM . . . . . . . . . . . 3 <br /> 3 1 REMEDIATION SYSTEM PROCEDURES 3 <br /> 3 2 COLLECTION AND ANALYSIS OF VAPOR EXTRACTION AIR FLOW <br /> SAMPLES 4 <br /> 4.0. FINDINGS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 41 GROUND WATER ELEVATION AND GRADIENT 4 <br /> 42 LABORATORY RESULTS OF GROUND WATER SAMPLES 4 <br /> 43 RESULTS OF SOIL VAPOR EXTRACTION 5 <br /> 44 ANALYTICAL RESULTS OF VAPOR EXTRACTION AIR FLOW SAMPLES <br /> 5 <br /> 45 MASS CALCULATION OF RECOVERED PRODUCT 6 <br /> 50. CONCLUSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 6.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 7.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> FIGURES <br /> Figure 1 -Location Map <br /> Figure 2 - Site Map <br /> Figure 3 - Ground Water Elevation Contour Map June 2003 <br /> Figure 4 - Inferred Extent of Dissolved TPH--g June 2003 <br /> Figure 5 -Dissolved Hydrocarbon -Impact Cross Section C-C' <br />