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L _ d <br /> i <br /> TABLE OF CONTENTS <br /> SOILSUITABILITY 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.....................................................2 <br /> Septic Permit History in the Vicinity...............................................................2 <br /> ,Expected On-Site Maximum Septic Tank Usage ---.........3 <br /> Ground Water Information.........................................................................................3 <br /> Depth and Gradient.... ............................................... ----............3 <br /> Potential Ground Water Contamination Issues..............................................3 <br /> On-Site Wells................. 3 <br /> WaterSample............................... .................................................. .............3 <br /> Soil Profile and Geologic Information......................................................................4 <br /> SoilBorings.......................................... .........................................................5 <br /> Discussion of Soil Lithology...........................................................................6 <br /> PercolationTest.........................................................................................................6 <br /> Preparation and Presaturation of Percolation Test Holes..............................6 <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 /> MassTransport Soil Properties ................................................................................8 <br /> Sources of Nitrate <br /> Contribution of Rainfall <br /> Quantity and Quality of Domestic Wastewater.............. <br /> Denitrification Reductions.......................................................................................12 <br /> NitrateLoading Estimate.........................................................................................12 <br /> Discussion of Nitrate Loading Results...................................................................13 <br /> TotalNitrateImpact......................................................................................13 <br /> CONCLUSIONS AND RECOMMENDATIONS .............................................................14 <br /> LIMITATIONS................................................................................................................15 <br /> SELECTED REFERENCES ..........................................................................................16 <br /> LOG E1016 <br />