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F <br /> Fourth Quarter 2000 Ground Water Monitoring Report <br /> Cleanut)and Abatement Order No. 5-00-707 EAI Project No. 1232 <br /> TABLE OF CONTENTS <br /> F Page <br /> g <br /> F, 1.0 INTRODUCTION................................................................................................... 1 <br /> 1.1 Background.................................................................................................... 1 <br /> 1.1.1 Wards Site .................................................................................... I <br /> 1.1.2 Unocal Site .................................... <br /> 1.1.3 Robinhood Irrigation Well (RIW)...................................................... 2 <br /> 1.1.4 Cleanup and Abatement Order............................................................. 2 <br /> 2.0 FIELD INVESTIGATION..................................................................................... 4 <br /> 2.1 Ground Water Elevation Survey.................................................................... 4 <br /> 2.2 Ground Water Sampling................................................................................ 4 <br /> F, 2.3 Sampling Equipment CIeaning Protocol....................................................... 4 <br /> 2.4 Effluent Handling.......................................................................................... 5 <br /> 2.5 Robinhood Irrigation Well ...........................•................................................ 5 <br /> F3.0 ANALYTICAL TESTING ..................................................................................... 6 <br /> i <br /> 4.0 DISCUSSION.........................................:................................................................. 7 <br /> 4.1 Ground Water Elevation Contour Maps........................................................ 7 <br /> 4.2 Ground Water Flow Direction and Magnitude.............................................. 7 <br /> i 4.3 Shallow and Deep Monitoring Well Hydrographs........................................ 7 <br /> 4.4 TPH-G and Benzene Isoconcentration Maps ................................................ 7 <br /> 4.5 Investigation and Cleanup Activities Assessment......................................... 7 <br /> 4.6 Analytical Testing Results............................................................................. g <br /> i <br /> 4.7 Future Activities............................................................................................ 8 i <br /> t5.0 LIMITATION.......................................................................................................... 9 <br /> r <br /> F <br /> F <br /> J <br /> BIWA232R0092 i <br /> FENVIRONMENTAL AUDIT, INC., <br />