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LFR Inc. <br /> 4.2.3 Groundwater Monitoring Well Installation..........................................23 <br /> 4.2.4 ERD Mixing and Injection Equipment...............................................23 <br /> 4.3 ERD Periodic Monitoring Program .........................................................24 <br /> 4.3.1 Sample Collection Methods............................................................ 25 <br /> 4.3.2 System Performance Metrics.......................................................... 27 <br /> 4.4 Estimated Costs to Implement the Phase V IRA .......................................... 28 <br /> 5.0 IMPLEMENTATION PLAN AND SCHEDULE FOR THE PHASE V IRA.............. 29 <br /> 5.1 Overview and Schedule ....................................................................... 29 <br /> 5.2 Contractor Selection and Mobilization...................................................... 30 <br /> 5.3 Well Installation................................................................................ 30 <br /> 5.4 Well Installation and Substrate Injection ................................................... 30 <br /> 5.5 Reporting ........................................................................................ 31 <br /> REFERENCES.............................................................................................. 32 <br /> TABLES <br /> 1 Summary of Analytical Methods for Geochemical Parameters <br /> 2 Summary of Volatile Organic Compounds in Select Groundwater Monitoring Wells <br /> 3 Laboratory Analytical Results for Geochemical Parameters <br /> 4 Field Results for Geochemical Parameters in Select Monitoring Wells <br /> FIGURES <br /> 1 Site Location Map <br /> 2 Site Layout <br /> 3 Conceptual ERD Injection Area and Locations of Performance Monitoring Wells with <br /> Estimated Extent of Total Hazardous Substance in the A-Zone Aquifer, December 2006 <br /> 4 Conceptual ERD Injection Area and Locations of Performance Monitoring Wells with <br /> Estimated Extent of Total Hazardous Substance in the B-Zone Aquifer, December 2006 <br /> 5 Site Plan Showing Proposed Wells <br /> 6 Geologic Cross Section Locations <br /> 7 Geologic Cross Section A-A' Showing Conceptual Injection Points and Performance <br /> Monitoring Wells <br /> 8 Geologic Cross Section B-B' Showing Conceptual Injection Points <br /> Page 11 wp-PhV_IRASep07-Fim1-06750.doc:lfr <br />