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July 1,2019 <br /> SOIL SUITABILITY STUDY <br /> 15999 W CORRAL HOLLOW ROAD <br /> TRACY,CALIFORNIA <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION.......................................................................................................................................................2 <br /> 1.1 Description of Site............................................................................................... 2 <br /> 1.2 Proposed Development....................................................................................... 3 <br /> 2.0 PAST,PRESENT AND PROPOSED FUTURE USES....................................................................................3 <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE..................................................................................4 <br /> 3.1 Existing On-Site Septic Tank Usage,Permits and Repair History............................ 4 <br /> 3.2 Expected Maximum Septic Tank Usage for Site..................................................... 6 <br /> 3.3 General Area Septic Tank Usage,Permit,and Repair History................................. 6 <br /> 4.0 GROUNDWATER INFORMATION....................................................................................................................6 <br /> 4.1 Groundwater Depth and Gradient........................................................................ 6 <br /> 4.2 Potential Groundwater Contamination Issues ...................................................... 6 <br /> 4.3 Water Sample Locations and Constituents............................................................ 7 <br /> 5.0 GEOLOGIC AND SOIL PROFILE INFORMATION.......................................................................................8 <br /> 6.0 PERCOLATION TEST INFORMATION.........................................................................................................10 <br /> 6.1 Percolation Test Procedure...................................................................................10 <br /> 6.2 Percolation Test Forms and Results........................................................................10 <br /> 7.0 CONCLUSIONS........................................................................................................................................................11 <br /> 8.0 LIMITATIONS.........................................................................................................................................................11 <br /> 9.0 QUALIFICATIONS OF ENVIRONMENTAL PROFESSIONALS............................................................12 <br /> APPENDIXA......................................................................................................................................................Plate Number <br /> VicinityMap................................................................................................................................................................1 <br /> SiteMap........................................................................................................................................................................2 <br /> Percolation Borehole and Septic System Locations...................................................................................3 <br /> Groundwater Elevation Map,Fall 2016..........................................................................................................4 <br /> Groundwater Elevation Map,Spring 2016.....................................................................................................5 <br /> GeologicMap...............................................................................................................................................................6 <br /> USDASoil Map........................................................................................................................................................... 7 <br /> APPENDIX B <br /> Analytical Results <br /> APPENDIX C <br /> Percolation Test Permits <br /> Percolation Test Forms <br /> Petralogix Engineering,Inc. <br /> 26675 Bruella Road,Galt,Ca 95632 <br /> (209)-400-5729 <br /> www.petralogix.com <br />