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• TABLE OF CONTENTS <br /> SOIL SUITABILITY STUDY.............................................................................................1 <br /> Introduction.................................................................................................................1 <br /> ProposedDevelopment..............................................................................................1 <br /> SiteDescription...........................................................................................................1 <br /> Existing and Proposed Septic Tank Usage..............................................................2 <br /> ExistingSeptic System...................................................................................2 <br /> ProposedSeptic System................................................................................2 <br /> On-Site Septic Permit History.........................................................................2 <br /> Existing Septic Tank Usage in the Vicinity.....................................................3 <br /> Septic Permit History in the Vicinity................................................................3 <br /> Ground Water Information .........................................................................................3 <br /> Depthand Gradient........................................................................................3 <br /> Potential Ground Water Contamination Issues ..............................................4 <br /> On-Site Wells..................................................................................................4 <br /> WaterSample.................................................................................................5 <br /> Soil Profile and Geologic Information.......................................................................6 <br /> SoilBorings....................................................................................................6 <br /> Discussion of Soil Lithology............................................................................ 7 <br /> PercolationTest..........................................................................................................7 <br /> Preparation and Presaturation of Percolation Test Holes.............................. 7 <br /> • Percolation Test Procedure............................................................................ 7 <br /> Percolation Test Results ................................................................................8 <br /> Discussion of Percolation Test Results..........................................................8 <br /> Discussion of Septic System Sizing...............................................................8 <br /> NITRATELOADING STUDY...........................................................................................9 <br /> Mass Transport Soil Properties.................................................................................9 <br /> Sourcesof Nitrate.....................................................................................................10 <br /> Contribution of Rainfall............................................................................................10 <br /> Quantity and Quality of Domestic Wastewater......................................................11 <br /> Denitrification Reductions.......................................................................................14 <br /> Nitrate Loading Estimate—Existing and Proposed Facilities...............................15 <br /> Nitrate Loading Estimate—Existing Facilities Only.......................................16 <br /> Discussion of Nitrate Loading Results...................................................................17 <br /> Total Nitrate Impact...................................................................................... 17 <br /> CONCLUSIONS AND RECOMMENDATIONS..............................................................18 <br /> LIMITATIONS.................................................................................................................19 <br /> SELECTEDREFERENCES...........................................................................................20 <br /> • <br /> LOGE 1711 <br />