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DER <br /> TABLE <br /> �Btl9MPeaple.N'9N6oluNam. <br /> TABLE OF CONTENTS \� <br /> 1. EXECUTIVE SUMMARY .........................................................................................1 <br /> 2. SITE SETTING.........................................................................................................4 <br /> 2.1 SITE LOCATION.............................................................................................4 <br /> 2.2 SITE OPERATIONS........................................................................................4 <br /> 2.3 GENERAL GEOLOGIC AND HYDROLOGIC SETTING .................................5 <br /> 3. ACTIVITIES CONDUCTED......................................................................................8 <br /> ! 3.1 FIELD ACTIVITIES CONDUCTED..................................................................8 <br /> 3.1.1 Measurement of Groundwater Levels.................................................8 <br /> 3.1.2 Collection of Groundwater Samples....................................................8 <br /> 3.1.3 Chemical Analysis of Groundwater Samples ...................................... 8 <br /> 3.2 2011 VADOSE ZONE MONITORING .............................................................9 <br /> 3.2.1 Collection of Soil Samples ................................................................ 10 <br /> 3.2.2 Chemical Analysis of Soil Samples................................................... 10 <br /> 4. DISCUSSION OF RESULTS ................................................................................. 11 <br /> 4.1 GROUNDWATER FLOW DIRECTION AND GRADIENT.............................11 <br /> 4.2 CHEMICAL ANALYSIS OF GROUNDWATER SAMPLES...........................11 <br /> ' 4.2.1 McKinley Avenue Rapid Infiltration Area........................................... 11 <br /> 4.2.2 North and South Louise Avenue Infiltration Areas ............................ 12 <br /> 4.3 CHEMICAL ANALYSIS OF 2011 VADOSE ZONE SOIL SAMPLES ...........12 <br /> 5. DISCUSSION OF ANNUAL TRENDS (2011)........................................................14 <br /> 5.1 GROUNDWATER FLOW DIRECTION AND GRADIENT.............................14 <br /> 5.2 CHEMICAL ANALYSIS OF GROUNDWATER SAMPLES...........................14 <br /> 5.2.1 McKinley Avenue Rapid Infiltration Area........................................... 14 <br /> 5.2.2 North and South Louise Avenue Infiltration Area.............................. 15 <br /> ' 5.3 2011 VADOSE ZONE SOIL SAMPLING ...................................................... 16 <br /> 6. CONCLUSIONS AND RECOMMENDATIONS......................................................17 <br /> 6.1 CONCLUSIONS............................................................................................17 <br /> 6.2 RECOMMENDATIONS.................................................................................18 <br /> 7. LIMITATIONS ........................................................................................................ 19 <br /> TABLES <br /> 1 Depth to Groundwater and Groundwater Elevation (4/2001 to 12/2011) <br /> ' 2 Groundwater Elevation and Flow Data (4/2001 to 12/2011) <br /> 3 Concentrations of Selected Analytes in Groundwater (5/2001 to 12/2011) <br /> 4 Concentrations of Selected Analytes in Soil (9/2001 to 9/2011) <br /> ' 101486.41ST012R025 Page in of iv February 1, 2012 <br /> Copyright 2012 Kleinfelder <br />