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4 <br /> PART I: SOIL SUITABILITY/NITRATE LOADING STUDY <br /> WATTS WINERY <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..................................................................................3 <br /> 1.4.4 Water Sample Constituents............................................................................4 <br /> 1.4.5 Well Water Sample Collection, Handling, and Transportation.............................4 <br /> 1.4.6 Chain of Custody...........................................................................................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............................................................................6 <br /> 1.6 Percolation Test Information .................................................................................6 <br /> 1.6.1 Percolation Test Locations..............................................................................6 <br /> 1.6.2 Number of Percolation Tests ..........................................................................6 <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.............................................................................7 <br /> 1.6.6 Percolation Test Forms and Results ................................................................7 <br /> 1.6.7 Discussion of Percolation Test Results.............................................................7 <br /> 1.6.8 Discussion of Septic System Sizing..................................................................8 <br /> 2.0 NITRATE LOADING STUDY.......................................................................................8 <br /> 2.1 Chemical and Physical Properties of Soil.................................................................9 <br /> 2.1.1 Chemical and Physical Soil Properties..............................................................9 <br /> 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 02009 Neil O.Anderson&Associates.Inc <br />