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Table 2 <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 a ing in-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 /> 3201357B/CAPREV1 June 29, 1995 <br />