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n <br /> 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 /> Existing Septic 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 /> 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......................... <br /> WaterSample.................................................................... •--.--.-- •---............3 <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..............................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 /> Mass Transport Soil Properties ................................................................................8 <br /> Sourcesof Nitrate......................................................................................................9 <br /> Contributionof Rainfall .............................................................................................9 <br /> Quantity and Quality of Domestic Wastewater......................................................10 <br /> Denitrification Reductions.......................................................................................12 <br /> NitrateLoading Estimate.........................................................................................12 <br /> Discussion of Nitrate Loading Results...................................................................13 <br /> Total Nitrate Impact......................................................................................13 <br /> CONCLUSIONS AND RECOMMENDATIONS..................................I..........................14 <br /> LIMITATIONS................................................................................................................15 <br /> SELECTEDREFERENCES ..........................................................................................16 <br /> LOGE1005 <br />