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4 I <br /> Y _' ., ,i ik =' 1'•,_ta����-_" - r _ _ ,_ i- • Y-s -r_ _- _L -r _ � - � - .r i _- - .xr� _ - ..z � ! s, .. ' i ' <br /> 3`f!• 5� <br /> ti L <br /> Quarterly Report - Second Quarter 2003 <br /> WEST CLAY PROPERTIES . <br /> 639 West Clay Street, Stockton, California <br /> TABLE OF CONTENTS <br /> I <br /> SECTION PAGE <br /> 1 , . . . . . .1. . . . . . . . . . . . . . . . . . • . . . . . . . . . . . . . . ±�. .,. . . • . . ' 1 <br /> I.0 INTRODUCTION • 1 <br />' 2.0. PROCEDURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . :. . . 1 <br /> 2 1 QUARTERLY GROUND WATER MONITORING 2 <br /> 2 1 1 Well Monitoring and Evacuation 2 <br />' 2 12 Collection and Analysis of Ground Water Samples 2 <br /> " r <br /> �w 3.0r FINDINGS . . .. . . . . . . . . . . . . . . . . . . 2 <br /> 3 1 GROUND WATER GRADIENT AND FLOW DIRECTION 2 <br /> 32 ANALYTICAL RESULTS OF WATER SAMPLES 3 <br /> 1 . . . . . . . . . . . . . . . . . <br /> ' 4A., SUMMARY AND CONCLUSIONS . 4 <br /> ' S! <br /> I <br /> 5.0. RECOMMENDATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . . . . 5 <br /> • 6.0. LIMITATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br />' FIGURES <br />' FIGURE 1 -Location Map 4 A <br /> FIGURE 2 - Site Plan ` " - <br /> FIGURE 3 - Shallow Ground Water Elevations <br /> FIGURE 3 -Deep Ground Water Elevations <br />' FIGURE 5 - Ground Water Contaman'ation Plume <br /> FIGURE 6 -Deep Ground WaterE Contamination Plume <br /> a <br /> TABLES <br /> I � , <br />' TABLE t - Ground Water Elevations <br /> TABLE 2 -Analytical Results of Ground Water Samples - TPH and BTEX <br /> TABLE 3 ;-Analytical Results of Ground Water Samples-EPA Methods 8260B " <br /> TABLE 4 -Analytical Results of Historical Ground Water Samples 'ITPH and BTEX <br /> TABLE 5 -Analytical Results of Hastoracal Ground'Water Samples -18260B <br /> z <br />' APPENDICES <br /> ! <br /> APPENDIX A-Field Logs <br />' APPENDIX B -Laboratory Report - Ground Water Samples <br /> Advanced GcoEnvironmental,Inc <br /> II <br /> ! w i <br />