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' SOIL SUITABILITY STUDY <br /> 12401, 12420 AND 12430 E.ATKINSON ROAD <br /> ' TABLE OF CONTENTS <br /> 1.0 INTRODUCTION..........,_,,.,._,_,._......................................................................................................................1 <br /> i1.1 Description of Site ................................................................................................ 1 <br /> 1.2 Proposed Development ......................................................................................... 2 <br /> 2.0 PAST, PRESENT AND PROPOSED FUTURE USES........................................................................................2 <br /> 3.0 EXISTING AND PROPOSED SEPTIC TANK USAGE.......................................................................................2 <br /> 3.1 Existing On-Site Septic Tank Usage,Permits and Repair History.................................. 2 <br /> 3.2 Expected Maximum Septic Tank Usage for Site.......................................................... 4 <br /> 3.3 General Area Septic Tank Usage, Permit,and Repair History....................................... 4 <br /> 4.0 GROUNDWATER INFORMATION.........._....................._....._.................__........................................................4 <br /> 4.1 Groundwater Depth and Gradient........................................................................... 4 <br /> ' 4.2 Potential Groundwater Contamination Issues........................................................... 5 <br /> 4.3 Water Sample Locations and Constituents................................................................ 5 <br /> 5.0 GEOLOGIC AND SOIL PROFILE INFORMATION............................................._._...,._..................................6 <br /> ' 6.0 PERCOLATION TEST INFORMATION........................................................... .... ...................._.....................8 <br /> 6.1 Percolation Test Procedure.................................................................................... 8 <br /> ' 6.2 Percolation Test Forms and Results......................................................................... 9 <br /> 7.0 CONCLUSIONS.................._........................................................................_..................._......................................10 <br /> ' 8.0 LIMITATIONS......_...............................................................................................................................................10 <br /> 9.0 QUALIFICATIONS OF ENVIRONMENTAL PROFESSIONALS................................................................11 <br /> tAPPENDIX A......................................................................................................................................................Plate Number <br /> VicinityMap................................................................................................................................................................1 <br /> ' Site Map........................................................................................................................................................................2 <br /> TentativeParcel Map...............................................................................................................................................3 <br /> Groundwater Elevation Map, Fall 2014..........................................................................................................4 <br /> ' Groundwater Elevation Map,Spring 2015.....................................................................................................5 <br /> GeologicMap...............................................................................................................................................................6 <br /> USDASoil Map........................................................................................................................................................... 7 <br /> 0 j En o , Inc. <br /> 26675Bnuella Rad,Gah, <br /> Ca 95632 <br /> ' Q091-4045729 <br /> ++wvr.Ioetra[Nixxom <br />