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SOIL SUITABILITY'/NITRATE LOADING STUDY <br /> PROPOSED RESTAURANT/LOUNGE (PA-03-159) <br /> 7618 WEST ELEVENTH STREET, TRACY CALIFORNIA <br /> TABLE OF CONTENTS <br /> t� <br /> Page No. <br /> 1:0 INTRODUCTION AND PROPOSED DEVELOPMENT . . . . . . ... 1 <br /> 1.1 n Site Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> 1.2 Zoning Information . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 13 Proposed Development . . . . . :. : :, . . . . , . : . . . . 2 = <br /> 2.0PRESENT USE OF THE SITE AND VICINITY . . . . . .: . : . . . . . . . . . . . . : 2' <br /> 2.1 Site Use . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . <br /> . . . . . . . . . . . . . . . . . 2 <br /> r <br /> 2.2 Vicinity.Use . . . . . . . . . . . . . . . 3 i <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE . . . . <br /> . . , . : . . . <br /> . . . . . . 3 <br /> 3.1 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 /> 3.6 Expected On-Site Maximum Septic Tank,Usage . . . . . . . . . . . : : 4 <br /> 4.0 GROUND WATER INFORMATION . . . . . . . . .'. . ... . . . . . ... . . ... . . . . . . . . 5- <br /> 4.1 <br /> .4.1 Ground Water Depth and Gradient: . . . . . . . . . . . . . 5 <br /> 4.2 On-Site Ground.-Water . . . .... .. . . . . . . . . . . . . ..... . . . . . . . . . . . . . . " . .6 <br /> 4.3 Potential Ground Water Contamination Issues . ..... . . . . . . . . . . ..... . . . . . . . . . . 6 <br /> 4:4 Water Sample Location . ., : . . . : . . . . . . . . . . . . :. . . . . . . . . . . . . . . . . . . fi <br /> 4.5 Sample Collection, Handling, and Transportation . . . . . . . . . . . . . . ... . . ..... . . . . 7 <br /> 4.6.Water Sample Analytical Results . . . . . . . . . . . . . . . . .. . . . . . . . 7 <br /> 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION . <br /> . . . . . . . . . . . . . . . . . ..8 <br /> 5.1 Geology.. . . . . .. . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . 8 <br /> 5:2 Soil Properties in the Vicinity . . . . ... . . . . . . . . . . . . . . . . . . . . . 8 <br /> 5.3 Soil_Lithology Observed and Septic Applicability . . . . . . . . , , , . . . 9 <br /> r _ <br /> 6.0 PERCOLATION TEST INFORMATION. . : . - .. . , <br /> 6.1 Percolation Test Boring Locations . . . . . . . . ... . . . . . . . . . . . . . , 9 <br /> 6:2 Boring Preparation-and Specifications . . . . . . . . .. . . . . . . . . . . . . .. . 9 <br /> 6.3 Presaturation of Borings . . . . . .. : . . . . . . . . . . :.. . . . . . . 9 <br /> ' 6.4 Percolation Test Procedure and Results . . , . . , . . . . . . . . . . . . . 9 <br /> 6.5 Discussion.of Percolation Tests . . . . . . . . . . <br /> 10 - <br /> 6.6 Required Size of Septic System . . . . . . . . . . . . . . . . . . . . . . . . . . . . : 10 <br /> • e ti <br />