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iky <br /> TABLE OF CONTENTS <br /> I. INTRODUCTION . . . . .. . . . .................... ........ . . . . ... ...... . . . . . . .. . . . ...... 1 <br /> F <br /> A. SCOPE OF WORK.. . . ..... . .. . . . . ................ . . ...... ..... . . ....... .. ....... 2 <br /> B. SUBJECT PROPERTY AND SURROUNDING STUDY AREA INFORMATION ........ ... 3 <br /> II. NITRATE LOADING STUDY FINDINGS .................. ....... ............ ........ .. 3 <br /> A. SOIL PHYSICAL AND CHEMICAL CHARACTERISTICS ... ........ ........... .. 3 <br /> 1. Surface and Subsurface Soils . .. .. ............ . . . ..... ..... . . . . . ... ..... . ..... 3 <br /> 2. Percolation Testing ................. . .. . ......... . ..... ................. . . .. 5 <br /> B. SURFACE WATER INFORMATION ............ ....... ........................ 6 <br /> 1. Climatic Data:Rainfall versus Evapotranspiration ..... ..... ................. ... 7 <br /> C. GROUNDWATER INFORMATION . . ...... . . . ...... . . .... ......... .. .......... 8 <br /> 1. Estimated Groundwater Gradient and Velocity .... . . .... .......... ... ....... . 8 <br /> ' 2. Groundwater Hydrochemical Behavior of Nitrogen ... . . . ... . ...... ... ......... . . 9 <br /> 3. Source Determination of Nitrate in Groundwater .... . . . ... . . ................. . . . 9 <br /> 4. Well Boring Geologic Log and Electric Well Log Data . . . .... ...... . ............ . 10 <br /> 5. Analysis of On-site Domestic Well Boring Water .... . . ..... . ................. .. 10 <br /> D. WASTEWATER PLOW CALCULATIONS AND CHARACTERISTICS . . . .......... 11 <br /> t E. CALCULATED NITRATE IMPACT FROM THE PROPOSED PROJECT ....... . ... 12 <br /> p 1.Hantzche/Finnemore Equation .................. . ...... . ............. ........ 12 <br /> 2.Kaplan Parallelepiped Method ...... ....... . . ....... . ...... ............... . .. 13 <br /> 3.Crites/Tchobanoglous Formula ................... ............. . . . . . . . ....... 14 <br /> i 5. Calculation of Alkalinity Requirement for Nitrification ........ . ............. . ... 14 <br /> 6. Agronomic Input Comparisons ....... . .... ........ ...... . ........ ........... 14 <br /> III. CONCLUSIONS AND RECOMMENDATIONS FOR NITRATE IMPACT MITIGATION ... .. 15 <br /> IV. LIMITATIONS .. . .... . . ......... . . ................. . ..... . . .... . .................. 17 <br /> V. REFERENCES ... .... .. . ........... ................. ..... .. .................... .... 18 <br /> V1. APPENDICES ... . ... . . . ....... . . .. . . . . ............ . ...... . . ...... ................ . 19 <br /> APPENDIX 1: S.J.C.PARCEL VIEWER AERIAL PHOTOS AND MORLAN CIVIL ENGINEERING <br /> SITE PLAN <br /> APPENDIX 2: USGS AND USDA AERIAL PHOTOS <br /> APPENDIX 3: HISTORICAL AERIAL PHOTOS <br /> APPENDIX 4: SOIL ANALYSIS REPORT AND CHAIN OF CUSTODY <br /> APPENDIX 5: SOIL LOG OF BORING,PERCOLATION TEST RESULTS AND TEST LOCATIONS <br /> APPENDIX 6: HISTORICAL GROUNDWATER LINES OF EQUAL ELEVATION <br /> APPENDIX 7: WELL DRILLERS COMPLETION REPORT,ANALYSES OF ON-SITE DOMESTIC WELL <br /> WATER,AND ELECTRIC WELL LOG DATA <br /> APPENDIX 8: PHOTOGRAPHIC PLATES <br /> Chesney Consulting <br />