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Nestle USA, Inc.—Ripon, CA January 28, 2011 <br /> 2011 Revised Feasibility Study <br /> 9.2 Containment ..........................................................................................24 <br /> 9.2.1 Pump, Treat and Discharge ............................................................24 <br /> 9.2.1.1 Effectiveness ............................................................................24 <br /> 9.2.1.2 Implementability........................................................................25 <br /> 9.2.1.3 Relative Cost ............................................................................26 <br /> 9.2.1.4 Conclusion................................................................................26 <br /> 9.2.2 Impermeable Barriers......................................................................27 <br /> 9.2.2.1 Effectiveness ............................................................................28 <br /> 9.2.2.2 Implementability........................................................................28 <br /> 9.2.2.3 Relative Cost ............................................................................28 <br /> 9.2.2.4 Conclusion................................................................................28 <br /> 9.2.3 Permeable Reactive Barriers ..........................................................28 <br /> 9.2.3.1 Effectiveness ............................................................................30 <br /> 9.2.3.2 Implementability........................................................................30 <br /> 9.2.3.3 Relative Cost ............................................................................31 <br /> 9.2.3.4 Conclusion................................................................................31 <br /> 9.3 In-situ Treatment....................................................................................31 <br /> 9.3.1 In-situ Physical Treatment...............................................................31 <br /> 9.3.1.1 Effectiveness ............................................................................31 <br /> 9.3.1.2 Implementability........................................................................31 <br /> 9.3.1.3 Relative Cost ............................................................................31 <br /> 9.3.1.4 Conclusion................................................................................31 <br /> 9.3.2 In-situ Chemical/Biological Treatment.............................................32 <br /> 9.3.2.1 Reductive Dehalogenation........................................................32 <br /> 9.3.2.1.1 Effectiveness...................................................................................33 <br /> 9.3.2.1.2 Implementability..............................................................................33 <br /> 9.3.2.1.3 Relative Cost...................................................................................34 <br /> 9.3.2.1.4 Conclusion ......................................................................................34 <br /> 9.3.2.2 Aerobic Biodegradation and Cometabolism..............................34 <br /> 9.3.2.3 Effectiveness ............................................................................34 <br /> 9.3.2.4 Implementability........................................................................34 <br /> 9.3.2.5 Relative Cost ............................................................................35 <br /> 9.3.2.6 Conclusion................................................................................36 <br /> 9.3.3 Intrinsic Remediation.......................................................................36 <br /> 9.3.3.1 Effectiveness ............................................................................36 <br /> 9.3.3.2 Implementability........................................................................36 <br /> 9.3.3.3 Relative Cost ............................................................................36 <br /> 9.3.3.4 Conclusion................................................................................37 <br /> 9.4 Institutional Controls ..............................................................................37 <br /> 9.4.1 Water Supply Replacement.............................................................37 <br /> 9.4.1.1 Effectiveness ............................................................................37 <br /> 9.4.1.2 Implementability........................................................................38 <br /> 9.4.1.3 Relative Cost ............................................................................38 <br /> 9.4.2 Well Destruction ..............................................................................38 <br /> 9.4.2.1 Effectiveness ............................................................................38 <br /> 9.4.2.2 Implementability........................................................................38 <br /> 9.4.2.3 Relative Cost ............................................................................39 <br />