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1 <br /> 1 <br /> ' C 0109 d 7CC`Itics lac. <br /> 1101 7i°Street <br /> Modesto,California 95354 <br /> ' (209)522-4119/Fax#522-4227 <br /> ' Interim Remedial Action Plan <br /> ' In Situ Remediation Pilot Test <br /> ' George's Station <br /> 1600 Durham Ferry Rd. <br /> ' Tracy, California <br /> Project No. 425.2 <br /> ' March 21, 2005 <br /> ' 1.0 INTRODUCTION <br /> ' 1.1 Purpose & Goal <br /> The purpose of this Interim Remedial Action Plan is to review viable remedial alternatives <br /> ' and to provide details on the selected alternative for the installation and testing of an ozone <br /> injection system to address the residual groundwater plume at the site. <br /> ' The goals of this remedial action are to destroy the contaminants in the groundwater beneath <br /> the parcel and extending off site by in-situ chemical oxidation methods, achieve closure of <br /> this site from the regulatory agencies, to achieve aquifer restoration and provide protection to <br /> ' public health. <br /> 1.2 Site History <br /> ' The site, located at the intersection of Highway 33 and Durham Ferry Road, has been owned <br /> and operated by George and Mei Teranishi since the 1940's as an automobile repair facility <br /> ' and market. Gasoline was sold at the site until 1990, when the tanks were removed. <br /> The site has been undergoing site characterization work commencing 1995 by Del-Tech <br /> ' Geotechnical Support Services. Three monitoring wells were installed in early 1995 and <br /> elevated levels of petroleum hydrocarbons were detected on the northern and western sides of <br /> the property. <br />