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Report of Secondary investigation 2 <br /> Prepared for Barbara Drake 26485 Thomton Rd Thomton CA May 4 1995 <br /> CONTENTS <br /> 10 INTRODUCTION 1 <br /> 20 SITE HISTORY 1 <br /> 30 PRE-FIELD ACTIVITIES 2 <br /> 31 Background Review 2 <br /> 32 Wellhead Surveying/Groundwater Gradient 3 <br /> 33 Site Reconnaissance 3 <br /> 34 Rationale for Soil/Groundwater Sampling Locations 3 <br /> 35 Site-Specific Health and Safety Plan 3 <br /> 36 Access Agreements/Permitting 4 <br /> 40 FIELD ACTIVITIES 4 <br /> 41 Soil and Groundwater Sampling 4 <br /> 50 RESULTS OF FIELD ACTIVITIES 5 <br /> 51 Geology 5 <br /> 52 Analytical Results of Soil Samples 5 <br /> 53 Analytical Results of Groundwater Samples 6 <br /> 60 CONCLUSIONS AND RECOMMENDATIONS 6 <br /> 61 Conclusions 6 <br /> 62 Recommendations 7 <br />• 70 REFERENCES 7 <br /> Figures <br /> 1 Site Location Map <br /> 2 Site Plan <br /> Tables <br /> 1 Groundwater Analytical Results and Monitoring Data <br /> 2 Analytical Results of Soil <br /> 3 Analytical Results of Groundwater <br /> Appendices <br /> A Wellhead Survey Map and Data <br /> B Permits <br /> C Drilling Logs <br /> D Laboratory Reports and Chain-of-Custody Manifests <br />• M3EAR RPT <br /> ❑�� GROUNDWATER <br /> ❑L�7❑ TECHNOLAGY <br />