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PART I: SOIL SUITABILITY/NITRATE LOADING STUDY <br /> PEREZ PROPERTY <br /> TABLE OF CONTENTS <br /> 1.0 SOIL SUITABILITY STUDY..........................................................................................1 <br /> 1.1 Introduction and Proposed Development..................................................................1 <br /> 1.1.1 Site Description ..................................................................................................1 <br /> 1.1.2 Proposed Development....................................................................................2 <br /> 1.1.3 Site Vicinity........................................................................................................2 <br /> 1.1.4 Site Map ............................................................................................................2 <br /> 1.2 Present and Past Uses of the Site ............................................................................2 <br /> 1.2.1 Past and Present Site Use....................................................................................2 <br /> 1.3 Existing and Proposed Septic Tank Usage.................................................................2 <br /> 1.3.1 Existing On-Site Septic Tank Usage...................................................................2 <br /> 1.3.2 On-Site Septic Permit History ...........................................................................2 <br /> 1.3.3 On-Site Septic Repair Permit History.................................................................2 <br /> 1.3.4 Existing Septic Tank Usage in the Vicinity..........................................................2 <br /> 1.3.5 Septic Permit History in the Vicinity...................................................................3 <br /> 1.3.6 Septic Repair Permit History in the Vicinity............................................................3 <br /> 1.3.7 Expected On-Site Maximum Septic Tank Usage .....................................................3 <br /> 1.4 Ground Water Information ......................................................................................3 <br /> 1.4.1 Ground Water Depth and Gradient....................................................................3 <br /> 1.4.2 Potential Ground Water Contamination Issues ...................................................3 <br /> 1.4.3 Water Sample Location....................................................................................4 <br /> 1.5 Soil Profile and Geologic Information........................................................................4 <br /> 1.5.1 Soil Boring Locations .......................................................................................5 <br /> 1.5.2 Soil Boring Dimensions ....................................................... ............................5 <br /> 1.5.3 Soil Lithology Observed.......................................................................................5 <br /> 1.5.4 Discussion of Soil Lithology..................................................................................5 <br /> 1.6 Percolation Test Information ...................................................................................5 <br /> 1.6.1 Percolation Test Locations...................................................................................5 <br /> 1.6.2 Number of Percolation Tests................................................................................5 <br /> 1.6.3 Boring Preparation and Presaturation................................................................6 <br /> 1.6.4 Condition of Borings After Presaturation............................................................6 <br /> 1.6.5 Percolation Test Procedure...............................................................................6 <br /> 1.6.6 Percolation Test Forms and Results ..................................................................6 <br /> 1.6.7 Discussion of Percolation Test Results...............................................................7 <br /> 1.6.8 Discussion of Septic System Sizing....................................................................7 <br /> 2.0 NITRATE LOADING STUDY.........................................................................................7 <br /> 2.1 Chemical and Physical Properties of Soil...................................................................8 <br /> 2.1.1 Chemical and Physical Soil Properties ...................................................................8 <br /> 2.1.2 Mass Transport Soil Properties.............................................................................8 <br /> 2.2 Ground Water Analysis ...........................................................................................8 <br /> 2.2.1 Regional Ground Water.......................................................................................8 <br /> 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02008 Nei(O.Anderson&Associates,Inc <br />