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J 2 Page 2 <br /> Consulting, Inc. April 6, 2009 <br /> Environmenial- Engineering• Geology Project Number 2009007 <br /> SOIL SUITABILITY STUDY <br /> TABLE OF CONTENTS <br /> I. INTRODUCTION AND PROPOSED DEVELOPMENT..................................................................................3 <br /> Descriptionof Site....................................................................................................................................................4 <br /> Description of the Proposed Development...............................................................................................................4 <br /> Parcel Location Map..................................................... .................4 <br /> SiteMap ...................................................................................................................................................................4 <br /> 2. PRESENT AND PAST USES OF THE SITE.....................................................................................................5 <br /> PresentUses of the Site............................................................................................................................................5 <br /> PastUses of the Site.................................................................................................................................................5 <br /> 3. EXISTING AND PROPOSED SEPTIC TANK USAGE....................................................................................5 <br /> Description of the Existing On-Site Septic Tank Usage...........................................................................................5 <br /> SiteSeptic Permit History...................................................................................................... .......5 <br /> Discussion of On-Site Septic Tank Repair History..................._..............................................................................5 <br /> Description Of Existing Septic Tank Usage In The Area.........................................................................................6 <br /> General Area Septic System Permit History.............................................................................................................6 <br /> General Area Septic Tank Repair History................................................................................................................6 <br /> Description Of Proposed Or Expected Maximum Septic Tank Usage On Site........................................................6 <br /> 4. Groundwater Information....................................................................................................................................7 <br /> Description Of The Depth And Gradient Of Groundwater In The Area..................................................................7 <br /> Ground Water Contamination Issues in the Area.....................................................................................................8 <br /> WaterSample Location............................................................................................................................................8 <br /> WaterSample Constituents......................................................................................................................................8 <br /> WaterSampling Handling............................................................................................................................ ....8 <br /> Chain-of-Custody.....................................................................................................................................................9 <br /> 5. Soil Profile Information.......................................................................................................................................9 <br /> SiteMap...................................................................................................................................................................9 <br /> Description of Borehole Dimensions........................................................................................................................9 <br /> Descriptionof Soil Lithology...................................................................................................................................9 <br /> Discussionof Soil Lithology..................................................................................................................................10 <br /> 6. Percolation Test Information............................................................................................................................. 10 <br /> SiteMap Showing Test Locations.......................................................................................................................... 10 <br /> Numberof Percolation Tests..................................................................................................................................10 <br /> Borehole Preparation and Presoak.................................................._.......................................................................10 <br /> Condition of the test holes after pre-soak...............................................................................................................10 <br /> PercolationTest Methods.............................................................................................................................•.........I I <br /> PercolationTest Form................................................................................................................ I I <br /> Discussion of the Peculation Test Results..............................................................................................................I I <br /> Discussion of the Septic System Size.....................................................................................................................12 <br /> 7. CONCLUSION..................................................................................................................................................12 <br /> 8. LIMITATIONS..................................................................................................................................................12 <br /> UserReliance..........................................................................................................................................................13 <br /> 9. PROFESSIONAL SIGNATURE............................................................................ ...14 <br /> PLATES -Maps <br /> APPENDIX -Percolation Test Forms—Lab Results—Septic Permits <br /> JR SQUARED CONSULTING,INC. ENVIRONMENTAL�ENGINEERING•GEOLOGY <br /> 6532 MCNEIL COURT,VALLEY SPRINGS,CA 95252 PHONE(209)772-3841•FAX(209)740-4303 <br />