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NITRATE LOADING STUDY <br /> 15999 W CORRAL HOLLOW ROAD <br /> TRACY,CALIFORNIA <br /> APN:251-140-OS <br /> TABLE OF CONTENTS <br /> 1.0 INTRODUCTION.......................................................................................................................................................1 <br /> 1.1 Description of Site............................................................................................... 1 <br /> 1.2 Proposed Development....................................................................................... 2 <br /> 2.0 CHEMICAL AND PHYSICAL PROPERTIES OF SOIL.................................................................................2 <br /> 2.1 Chemical and Physical Soil Properties.................................................................. 2 <br /> 2.2 Mass Transport Soil Properties ........................................................................... 3 <br /> 3.0 GROUNDWATER ANALYSIS...............................................................................................................................3 <br /> 3.1 Groundwater Depth and Gradient........................................................................ 3 <br /> 3.2 Potential Groundwater Contamination Issues...................................................... 4 <br /> 3.3 Current and Future On-Site Groundwater Uses..................................................... 4 <br /> 4.0 SOURCES AND IMPACT OF NITRATE TO GROUNDWATER...............................................................4 <br /> 4.1 Current Off-Site Sources of Nitrate....................................................................... 4 <br /> 4.2 Contribution of Rainfall....................................................................................... 5 <br /> 4.3 Current On-Site Sources of Nitrate....................................................................... 5 <br /> 4.4 Future On-Site Sources of Nitrate......................................................................... 7 <br /> 4.4.1 Quantity and Quality of Domestic Wastewater from Proposed Project................... 7 <br /> 4.4.2 Denitrification Estimate...................................................................................... 8 <br /> 4.5 Nitrate Loading................................................................................................... 8 <br /> 4.6 Impact of Nitrate Loading to Nearby Water Sources.............................................. 8 <br /> 5.0 DISCUSSION OF NITRATE LOADING RESULTS........................................................................................9 <br /> S.1 Total Nitrate Impact............................................................................................ 9 <br /> S.2 Methods of Mitigation ......................................................................................... 9 <br /> 6.0 CONCLUSIONS AND RECOMMENDATIONS................................................................................................9 <br /> 7.0 LIMITATIONS............................................................................................................................................................9 <br /> 8.0 QUALIFICATIONS OF ENVIRONMENTAL PROFESSIONALS............................................................10 <br /> APPENDIXA.....................................................................................................................................................Plate Number <br /> DeepPercolation of Rain.......................................................................................................................................1 <br /> Nitrate Loading Calculation for Site.................................................................................................................2 <br /> APPENDIX B.....................................................................................................................Summary of Site 300 Systems <br /> Petralogix Engineering,Inc. <br /> 26675 BrueOa Road,Galt,Ca 95632 <br /> (209)-400-5729 : swF �I <br /> www.petralogix.com <br />