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��. -SOIL SUITABILITY:STUDY - <br /> LANGE TWINS PROPERTY - <br /> r 1298 WEST.JAHA , <br /> ACAMPO,.CALIFORNIA <br /> SJC APPLICATION NUMBER: PA=0500424 (Penning) <br /> TABLE OF CONTENTS <br /> Page No. <br /> 1.0 INTRODUCTION'AND PROPOSED DEVELOPMENT . ... . . . . . ... .:. . . . . . . . . . . . ...1 <br /> 1.1 Site Description... . . . .. . . . . . . • . . . . . . . 1. <br /> 1.2 Proposed Development . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2. <br /> 1.3 Site Vicinity.. . . ... . . . . . . . . . . . . . . . . . . . . . . . . . . . . : . . . . . . . . . . . . . 2' - <br /> 1..4 Site Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 <br /> 72.0 PRESENT AND PAST USES OF THE SITE . . . . _. . . . . . . . . . . . . . : . . . . . . . . . . . . 2 ' <br /> 2.1 Past and Present Site Use . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . . . 2. <br /> . 3.0 EXISTING AND PROPOSED.SEPTIC TANK USAGE .. . . . ... . . . . . . . . . . . . . . . . . . . 2 - <br /> 3.1 Existaag On=Site Septic System Usage .. . . . . . . . . . . . . . . . :. . . . . . . . . . . . . . . . . . ..2 - <br /> 3.2 Ori=SiterSeptic System-Permit History : . . . . . . : . . : . ... . __ ,... ... . . . . . . . 2--. <br /> 3.3 On-Site Septic System Repair PeYmit History . . . . . . 3 <br /> 3.4 Existing Septic_System Usagcin.rhe Vicinity ... . . .. . . . . . . . . . . . . . . . . 3 <br /> 3.5 Septic System_Permit History in the Vicinity . . . . . . . . . . . . 3 <br /> - - . . . . . . . . <br /> 3.6 Septic System_Repair_PTerrnit History,-in Vicinity : . . . . `3: <br /> 3.7 Expected.On-Site Maximum Septic Tank Usage . . . . . . . .- 4 <br /> U, 4.0 GROUND WATER INFORMATION . . . . . . . . . . . . ..... . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> . 4.1 Ground Water Depth and Gradient . . ...... ..... . . . . . . . . . . ... . . . . . . . . . 1 . 4 <br /> 4.2 Potential Grou_nd"Water_Contamination Issues : _. . . . . . . . . . . . . . . . 4 <br /> 4.3 Water Sample Location 4 <br /> 4.4 Water Sample Constituents. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 <br /> 4.5 Well Water Sample Collection, Handling, and Transportation . ... . . . . . . . . . . 5 <br /> 4.6 Cham' .of . . . . . . . . . . . . . . . . . . . . . . . • • :. . : . . . . . . . m . . 5 - - <br /> 5.0 SOIL PROFILE AND GEOLOGIC:INFORMATION . . . . . .... . . . . . . ... . . . . . . . . . . . 5 <br /> j 5.1 Soil Boring Locations:.: . . . . . . . . . . . . . . . . . . . . . ... . . . . . . . . . . . 4 . .61 <br /> 5.2 Soil Boring Dimensions . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . . . 6 <br /> 5 3 . Soil Lithology Observed . . . . . . . . 4 . . . . . . . . . . . . .... . . -_-- 6__ <br /> 5.4 Discussion of Soil Lithology . . . . . . . . . . . . . . . . . . . . . . . . _. ._ . . . 7 - <br /> 6.0 PERCOLATION TEST-INFORMATION . . . . . . . ... . . . . ... . . . . . . . ... . . . . . . . . . . . 7 <br /> 6.1 Percolation Test Locations. . . . . . . . ... .. . . . ... . . . . . . . . . . . . . . . 7 <br /> 6.2 Number of Percolation Tests ._ . . . . . . . I . . . . . . . ..... . . . . . . . . . . 7 <br /> 6.3 Boring Preparation and Presaturation . . . . ... . . . . . . ... .... . . ... . . . . . . . . ._ 7 <br /> 6.4 Condition of Borings After Presaturation <br /> 6.5 Percolation Test Procedure . . . . . . . . . . . . : . . 8 <br /> 6.6 Percolation Test . .and Results . . . . . . . . . . . . . : . . . . . . . . . . . . . . . . . . 8 <br />