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I <br /> L <br /> L PART I: SOIL SUITABILITY/NITRATE LOADING STUDY <br /> BIRD ROAD FACILITY <br /> I <br /> L TABLE OF CONTENTS <br /> LI. SOIL SUITABILITY STUDY...................................................................................... 1 <br /> I.1 Introduction and Proposed Development.......................................................i <br /> L I.1. Proposed Development......................................................................................2 <br /> I.1.33 Site Vicinity............... <br /> I.1.4 Site Ma 2 <br /> L I.2 Present and Past Uses of the Site....................................................................2 <br /> I.2.1 Past and Present Site Use..................................................................................2 <br /> I.3 Existing and Proposed Septic Tank Usage ......................................................2 <br /> L <br /> I.3.1 Existing On-Site Septic Tank Usage....................................................................2 <br /> I.3.2 On-Site Septic Permit History.............................................................................2 <br /> I.3.3 On-Site Septic Repair Permit History ..................................................................2 <br /> L I.3.4 Existing Septic Tank Usage in the Vicinity...........................................................3 <br /> I.3.5 Septic Permit History in the Vicinity....................................................................3 <br /> I.3.6 Septic Repair Permit History in the Vicinity..........................................................3 <br /> I.3.7 Expected On-Site Maximum Septic Tank Usage...................................................3 <br /> I.4 Ground Water Information ....................... <br /> I.4.1 Ground Water Depth and Gradient.....................................................................3 <br /> L I.4.2 Potential Ground Water Contamination Issues.....................................................4 <br /> I.4.3 Water Sample Location .....................................................................................4 <br /> I.4.4 Water Sample Constituents ...............................................................................4 <br /> L I.4.5 Well Water Sample Collection, Handling, and Transportation................................4 <br /> I.4.6 Chain of Custody............................................................ <br /> I.5 Soil Profile and Geologic Information .............................................................4 <br /> L I.5.1 Soil Boring Locations.........................................................................................5 <br /> I.5.2 Soil Boring Dimensions......................................................................................5 <br /> I.5.3 Soil Lithology Observed.....................................................................................5 <br /> L I.5.4 Discussion of Soil Lithology................................................................................5 <br /> I.6 Percolation Test Information...........................................................................6 <br /> I.6.1 Percolation Test Locations.................................................................................6 <br /> I.6.2 Number of Percolation Tests..............................................................................6 <br /> I.6.3 Boring Preparation and Presaturation .................................................................6 <br /> I.6.4 Condition of Borings After Presaturation .............................................................6 <br /> I.6.5 Percolation Test Procedure................................................................................6 <br /> L I.6.6 Percolation Test Forms and Results....................................................................7 <br /> I.6.7 Discussion of Percolation Test Results................................................................7 <br /> L6.8 Discussion of Septic System Sizing.....................................................................7 <br /> L II. NITRATE LOADING STUDY...................................................................................... 7 <br /> II.1 Chemical and Physical Properties of Soil ........................................................8 <br /> LII.1.1 Chemical and Physical Soil Properties..............................................................8 <br /> II.1.2 Mass Transport Soil Properties.......................................................................8 <br /> L <br /> "004 <br /> L902 Industrial Way•Lodi,CA 95240-209.367.3701 •Fax 209.369.4228 ®2007 Neil O.Anderson&Associates,Inc <br />