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Table 2- <br /> Technology Screening <br /> Former Chevron U S A Service Station 9-1918 <br /> 45 East Harding Way at EI Dorado Avenue <br /> Stockton, California <br /> Technology Retained Comment <br /> 1 Bioventing Yes Reduces mass, well understood Moderately easy to <br /> implement Hydrocarbon-affected groundwater in <br /> treated <br /> 2 Groundwater Extraction No Not effective at reducing mass, use for migration control <br /> not necessitated by site conditions <br /> 3 Soil Vapor Extraction Yes See Comment 1 <br /> 4 Thermal Oxidation Yes Efficient destruction of target compounds,well under- <br /> stood <br /> 5 Spargrng (in-situ) No Lithology and depth to water limit control of process and <br /> overall effectiveness(significant channeling would <br /> probably occur) See Comment 1 <br /> 6 Carbon/Resin Adsorption Yes Efficient adsorption of to et compounds <br /> 7 Filtration No Not applicable <br /> 8 Chemical Treatment No Not applicable <br /> 9 Air/Liquid Contacting No Used with groundwater extraction See Comment 2 <br /> 10 Excavation Yes Well understood, requires transport of contaminants and <br /> si nihcant construction activities <br /> 11 Remediation Monitoring Yes Appropriate for plume management and documentation <br /> and Data Collection of intrinsic remediation <br /> 12 Institutional Controls Yes Can be easily implemented to maintain public health and <br /> safety <br /> 3201357B/1918REV August 31, 1995 <br />