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i <br /> Table 1 <br /> Technology Screening <br /> Chevron U S A Service Station 9-6171 <br /> 6633 Pacific Avenue at Benjamin Holt Drive <br /> Stockton, California <br /> Technology Retained Comment <br /> 1 Bioreclamation Yes Reduces mass, well understood Moderately easy to <br /> implement Hydrocarbon-affected groundwater is <br /> treated <br /> 2 Groundwater Extraction No Not effective at reducing mass, use for migration <br /> control 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 <br /> understood <br /> 5 S arging (fn-situ) Yes See comment 1 <br /> 6 Carbon/Resin Adsorption- Yes Efficient adsorption of target 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 /> 11 Excavation Yes Well understood, requires transport of contaminants <br /> and significant construction activities <br /> 12 Remediation Monitoring Yes Appropriate for plume management and documenta- <br /> and Data Collection tion of intrinsic remediation <br /> 13 Containment Isolation Yes Well understood, easy to implement and evaluation <br /> of natural attenuation <br /> 14 Institutional Controls Yes Can be easily implemented to maintain public health <br /> and safety <br /> 3201217B1CAP April 4, 1995 <br />