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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 /> Proposed Septic System................................................................................2 <br /> On-Site Septic Permit History.........................................................................2 <br /> Existing Septic Tank Usage in the Vicinity.....................................................2 <br /> Septic Permit History in the Vicinity................................................................2 <br /> Ground Water Information .........................................................................................3 <br /> Depthand Gradient........................................................................................3 <br /> Potential Ground Water Contamination Issues..............................................3 <br /> On-Site Wells..................................................................................................3 <br /> WaterSample.................................................................................................4 <br /> Soil Profile and Geologic Information.......................................................................4 <br /> SoilBorings ....................................................................................................5 <br /> Discussion of Soil Lithology............................................................................5 <br /> PercolationTest..........................................................................................................5 <br /> Preparation and Presaturation of Percolation Test Holes...... .......................5 <br /> • Percolation Test Procedure............................................................................6 <br /> Percolation Test Results ................................................................................6 <br /> Discussion of Percolation Test Results.......................................................... 7 <br /> Discussion of Septic System Sizing............................................................... 7 <br /> NITRATE LOADING STUDY...........................................................................................8 <br /> Mass Transport Soil Properties.................................................................................8 <br /> Sourcesof Nitrate.......................................................................................................9 <br /> Contribution of Rainfall..............................................................................................9 <br /> Quantity and Quality of Domestic Wastewater......................................................10 <br /> Denitrification Reductions .......................................................................................10 <br /> Nitrate Loading Estimate..........................................................................................11 <br /> Discussion of Nitrate Loading Results...................................................................12 <br /> Total Nitrate Impact...................................................................................... 12 <br /> CONCLUSIONS AND RECOMMENDATIONS..............................................................13 <br /> LIMITATIONS.................................................................................................................14 <br /> SELECTED REFERENCES...........................................................................................15 <br /> • <br /> LOGE 1628 <br />