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2.3 Constructability <br /> Except for difficulties associated with the Infection of ORC underneath the <br /> building, both methods appear to be constructable Drilling from Inside the <br /> active bakery building (necessary for ORC infection in that area) would be <br /> expensive and difficult due to the coring required, restricted overhead <br /> clearance and Interference with bakery operations <br /> 2.4 Cost of implementation <br />' Estimated costs of Implementation are compared In Figure I It Is assumed <br /> that at least two ORC applications would be required and it Is assumed that <br /> an AS/SVE system, if utilized alone, would operate for a period of about two <br /> years Monitored natural attenuation could remediate the plume, but the term <br /> of remedation would be lengthy and the associated monitoring costs could be <br />' considerable The comparison Indicates that AS/SVE combined with <br /> monitored natural attenuation Is the most cost effective alternative <br /> Based on the evaluation of each technology with respect to effectiveness, <br /> rmobility, constructability, and cost of implementation, Philip has selected a <br /> combination of AS/SVE and monitored natural attenuation as the most <br /> desirable remedial alternative <br /> 1 <br /> Remedial Action Work Plan <br /> Prepared for THE EARTHGRAINS COMPANY Prepared by Philip Services Corp <br /> H IENW24001451RAP61300 doc 5 8/31/00 <br />