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NITRATE LOADING STUDY <br /> 26440, 8875 &8925 THORNTON ROAD <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 Regional and Site-Specific Groundwater................................................................... 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............................................................................ 5 <br /> 4.4.1 Quantity and Quality of Domestic Wastewater from Proposed Project.......................... 5 <br /> 4.4.2 Denitrification Estimate......................................................................................... 7 <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............................................................................................8 <br /> 5.1 Total Nitrate Impact................................................................................................................................................8 <br /> 5.2 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 /> SiteMap........................................................................................................................................................................1 <br /> VicinityMap................................................................................................................................................................2 <br /> GeologicMap...............................................................................................................................................................3 <br /> USDASoil Map...........................................................................................................................................................4 <br /> Groundwater Elevation Map, 2016.................................................................................................................. 5 <br /> DeepPercolation of Rain.......................................................................................................................................6 <br /> Nitrate Loading Calculation for Site................................................................................................................. 7 <br /> Petralogix Engineering,Inc. <br />' 26675 Bruella Road,Galt,Ca 95632 <br /> (209)-400-5729 <br /> www.petralogix.com <br />