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TABLE OF CONTENTS <br /> SOIL SUITABILITY STUDY............................................................................................1 <br /> Introduction ................................................................................................................1 <br /> ProposedDevelopment.............................................................................................1 <br /> SiteDescription..........................................................................................................1 <br /> Present and Past Uses of the Site............................................................................2 <br /> Existing and Proposed Septic Tank Usage..............................................................2 <br /> Existing Septic System <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...............................................................3 <br /> Expected On-Site Maximum Septic Tank Usage...........................................3 <br /> Ground Water Information.........................................................................................3 <br /> Depth and Gradient.............................................................. -----3 <br /> Potential Ground Water ContaminationIssues..............................................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.........................................................................................................6 <br /> Preparation and Presaturation of Percolation Test Holes..............................6 <br /> Percolation Test Procedure..........................................._........____............6 <br /> Percolation Test Results---- -----•---•---------•----------__.........................................7 <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.......................................................................................11 <br /> Nitrate Loading 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 E0911 <br />