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F t <br /> SOIL SUITABILITY NNITRATE LIOADING STUDY <br /> APPLICATION NUMBER PA-03-507 <br /> 12405 EAST BRANDT ROAD, LOCKEFORD, CALIFORNIA <br /> -TABLE OF CONTENTS <br /> Page No. <br /> 1.0 INTRODUCTION.AND PROPOSED DEVELOPMENT . . . . . . . . . . . . . . . . . . 1 <br /> 1.1 Site Description . . . . . . . . . . : . . : . . . . . : . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 1:2 Zoning_Information .2 <br /> 1.3 Proposed Development . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . 2 <br /> .2.0 1 PRESENT AND PAST USES OF THE SITE AND VICINITY . . . . . . . . . . . . . . 2 <br /> i 2.1 Site Use . . . . ... . . ... . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> _2.2 Vicinity Use ... . . . . . . . . . . . . . .... _ . . . . . . . . . . . . . . . . . . 2 <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE. ... . . . . . . . . . . . . . . . . . 3 <br /> Fi3.1 Existing On-Site Septic Tank Usage . : . . . . . . . . . . . . . . . . . . . . . . . ... 3 <br /> 3.2 Site Septic and Septic Repair Permit History__.. : . . . . . . . . . . . . . . . . . . . 3 <br /> 3.4 Existing Septic Tank-Usage in the Vicinity .` :. . . . . . . . . . . . . . . . . . . . . . 3 <br /> 3.5 Septic and Septic Repair Permit History in the Vicinity . . . . . . . . . . . . . . . . . 3, <br /> F! <br /> 3.6 Expected On-Site Maximum Septic Tank Usage . . . . . . . . . . . . . . . . . . . . . ..4 <br /> 4.0- GROUND WATER INFORMATION . . ... . . . . . . . . . . . . . . . . . 5 <br /> 4.1 Ground Water Depth and Gradient . . . . . . . . . . . . . . . . . . . . . . . . . . 5 <br /> 4.2 On-Site Ground Water . . . . . . . .5 <br /> 4.3 Potential Ground Water Contamination Issues . . . . . . . . . . . . . . . . . . . . . . . 6 <br /> 4.4 Well Water Sample Location . . . . . . . . . . . . . . . . . . . I . . . . . . . . . . . . . . . . . . 6 <br /> Fj <br /> 4.5-Well Water Sample Collection, Handling, and Transportation . . . . . ... ... . . . 6 <br /> 4.6 Well Water Sample Analytical Results . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . 6' <br /> 5.0 SOIL PROFILE AND_GEOLOGIC_ INF RMATI <br /> 5:1 Geology . . . . . . . I . . . . . . . . . . 7 <br /> 5.2 Soil Properties in the Vicinity . . . . . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . 7 <br /> -5.3.Soil Lithology Observed and Septic Applicability . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.0 PERCOLATION TEST INFORMATION . . .... . . . . . . . . . . . . . . . . . . . . . . . $ <br /> 6.1 Percolation Test Boring Locations . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 6.2 Boring Preparation and Specifications . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> P6.3 Presaturation of Borings . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> 6.4 Percolation Test Procedure and Results . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 <br /> 6.5 Discussion of Percolation Tests . . . . . 10 <br /> 6.6 Required Size of Septic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 <br />