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TA E I8 <br /> SOIL REMEDIATION ALTERNATIVE SCREENING <br /> EVALUATION OF REMEDIAL ALTERNATIVE BY SELECTED CRITERIA <br /> Montgomery Ward,Stockton,California <br /> Page 1 of 1 <br /> SOIL REMEDIAL ALTERNATIVES <br /> Number CRITERIA Weights(0-10) Alternative I Excavation and Off-site Disposal Alternative 2 Soil Vapor Extraction <br /> I Probability of Achieving Cleanup Goals 10 Probability very high, possibly the highest of all Probability is relatively good, as shown in <br /> alternatives pilot test <br /> 2 Ease of Implementation 5 Very difficult to implement due to depth of Very easy to implement since most <br /> excavation required,may cause structural components are already installed <br /> problems to on-site building due to proximity of <br /> area of excavation <br /> 3 Availability of Space 8 Site does not have sufficient space required for Site has sufficient space required for storing <br /> storing equipment or excavated soils aboveground components <br /> 4 Disruption to Facility Operations 4 This alternative will require suspending all facility This alternative will have very little impact to <br /> operations until the excavation is completed facility operations during installation and <br /> remediation <br /> 5 Time of Completion 7 This alternative can be implemented in the least This alternative will probably require 2 years <br /> amount of time and is one of the biggest to complete <br /> advantages of this alternative <br /> 6 Cost of Completion 8 The cost to implement this alternative is about This alternative will require approximately <br /> $1,028,990,which is the most expensive method $319,070,which is less than a thrid of <br /> available alternative 1 <br /> 7 Applicability to Ground Water Remediation 4 This alternative will be difficult to combine with This method is a required part of ground <br /> any ground water remedial option at this site water remediation by air-sparging, even if <br /> there was no soil remediation to be <br /> performed <br /> K 11232W971S01LCVAL xl, <br /> I <br /> Project No 1232 <br />