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SOIL SUITABILITY STUDY <br /> EDWARDS PROPERTY <br /> 23544 SOUTH BANTA ROAD,TRACY, CA <br /> TABLE OF CONTENTS <br /> Page No. <br /> Fj <br /> 1.0 INTRODUCTION AND PROPOSED DEVELOPMENT . . . . ... . . . . . . . . . . . . . . . . . . 4 <br /> 1.1 Site Description . . . . . . . . . . . . . . . . . . . . . . �. . . . . . . . . . . . . . . . . . 4 <br /> 1.2 Proposed Development . . . . . . . . . . 2 <br /> 1.3 Site Vicinity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 1.4 Site Map . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 2.0 PRESENT;AND PAST USES OF THE SITE . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 2.1 fast and Present Site Use . . . . . . . . . 2 <br /> F <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.1 Existing On-Site Septic Tank Usage . . . . . . ... . . . . . . . . . . . . . . . . . . . . . ... ..... . ... . 3 <br /> ri 3.2 On-Site Septic Permit History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.3 On-Site Septic Repair Permit History . . . . . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . 3 <br /> 3.4 Existing Septic Tank Usage in the Vicinity . . . . . . 3 <br /> 3.5 Septic Permit'History in the Vicinity . . . • . . . . . . . . . . . . . . . . • . • . 3 <br /> 3.6 Septic Repair Permit History in the Vicinity 4 <br /> 3.7 Expected Oii-Site Maximum Septic Tank Usage . . . . . . ... . . . . . . . . . . . . . . . . . . . 4 <br /> 4.0 GROUND WATER-INFORMATION . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . 4 <br /> 4.1 Ground Water Depth and Gradient ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> F4.2 Potential Ground Water Contamination Issues . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.3 Water Sample Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.4 Water Sample Constituents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> F 4.5 Well Water Sample Collection,,Handling, and Transportation .:. . . . . . . . . . . . . . . . 6 <br /> a <br /> 4.6 Chain of Custody - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - . . . . . . . 6 <br /> a 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 5.1 Soil Boring Locations 7 <br /> ill <br /> 5.2 Soil Boring Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7 <br /> 5.3 Soil Lithology Observed 7 <br /> 5.4 Discussion of Soil'Lithology . . . . . . . ... . . . . . . . . . . . . . . . . .. .. . . . . . .. . . . . . 8 <br /> F16.0 PERCOLATION TEST INFORMATION . . . . . . . . . . . . . 8 <br /> 6.1 Percolation Test Locations . . . . . . . . . . . . . . . . ..... . . . . ... . . . . . . . . . . . . . . . . . 8 <br /> 1 6.2 Number of Percolation Tests . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.3 Boring Preparation and Presaturation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.4 Condition of Borings After Presaturation . . . . . . . . . . . . . . . . . . . . . ... . . . . 9 <br /> 6.5 Percolation Test Procedure . . ... . . . . . . 9 <br /> F16.6 Percolation Test Forms a .nd Results . . . . . ' . . . , . . . . . . • . . . . . . . . . . . . . . 9 <br /> 6.7 Discussion of Percolation Test Results . . . . . . . 10 <br /> 6.8 Discussion of Septic System Sizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br /> 1 <br /> Ij - <br />