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CONTENTS (Continued) <br /> Chapter Page <br />' 6 4 1 2 Pneumatic Fracturing Enhancement of SVE in Clay 6-15 <br /> 6 4 13 Hydraulic Fracturing Enhancement of DPE in Clayey Silts 6-16 <br /> 6 4 14 Pilot-Scale Testing of Hydraulic Fracturing at <br /> Lmemaster Switch Superfund Site 6-17 <br /> 642 Cost Analysis 6-18 <br />' 6 4 2 1 Costs of Pneumatic Fracturing 6-18 <br /> 6 4 2 2 Costs of Hydraulic Fracturing 6-20 <br /> ' <br /> 65 VENDORS 6-21 <br /> 66 STRENGTHS AND LIMITATIONS 6-21 <br /> 67 -RECOMMENDATIONS 6-22 <br /> 68 REFERENCES 6-23 <br /> 6 8 1 Cited References 6-23 <br /> 1 6 8 2 Professional Contacts 6-25 <br /> 70 THERMAL ENHANCEMENT 7-1 <br /> 71 TECHNOLOGY OVERVIEW-__ 7-1 <br /> 72 APPLICABILITY 7-3 <br /> 73 ENGINEERING DESCRIPTION 7-3 <br /> 73 1 Steam Injection/Stripping 7-5 <br /> 7 3 1 1 Steam Injection Through Injection Wells 7-6 <br /> 7 3 1 2 Steam Injection Through Drill Auger 7-6 <br /> ' 7 3 2 Hot Air Injection 7-7 <br /> 733 Radio-Frequency Heating 7-8 <br /> 734 Electrical Resistance Heating 7-11 <br /> t7 3 5 Thermal Conduction Heating 7-12 <br /> 74 PERFORMANCE AND COST ANALYSIS 7-13 <br /> ' 74 1 Performance 7-13 <br /> 7 4 1 1 Rainbow Disposal Site 7-13 <br /> ' 7 4 1 2 Savannah River Site 7-16 <br /> 7 4 1 3 Former Gasoline Station Near St Paul,Minnesota 7-17 <br /> ' 742 Cost Analysis 7-18 <br /> v <br /> 1 <br />