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Interim Soil Remediation Work Plan ERNIE'S GENERAL STORE 4407 East Waterloo Road, Stockton, California 1.0. INTRODUCTION On behalf of Mr.Ernest P.Giannecchini of Ernie's General Store,Advanced GeoEnvironmental has prepared this Interim Soil Remediation Work Plan for the property located at 4407 East Waterloo Road, Stockton, California(site). The scope of work includes installation of an interim soil vapor extraction remediation system at the site. The location of the site and the surrounding area are illustrated on Figure 1; a plan of the site is illustrated on Figure 2. Based on the results of vapor extraction pilot tests performed at the site on 26 and 27 December 2006, AGE had recommended that an interim remediation work plan be prepared for soil vapor extraction (SVE) utilizing shallow-screened vapor wells VW-2, VW-4, and VW-5. On 19 March 2007, the San Joaquin County Environmental Health Department (EHD) approved AGE's recommendation for interim soil vapor extraction and directed that an interim remediation work plan be submitted to the EHD by 11 May 2007. The purpose of this work plan is to detail the design, installation, and operation of a catalytic oxidizer soil vapor extraction system. This work plan has been prepared in accordance with guidelines issued by the Central Valley Regional Water Quality Control Board (CVRWQCB) for investigation of underground storage tank(UST) sites. A summary of previous investigation at the site is included in Appendix A. 2.0. SCOPE OF WORK Based on the results of the above-referenced SVE pilot tests performed at the site in December 2006, AGE proposes to install,operate,and maintain an interim SVE remediation system utilizing existing shallow SVE wells VW-2, VW-4, and VW-5. Interim remediation field activities will consist of the following tasks: • Pre-field work activities; • Installation of a soil vapor extraction system; • Soil vapor extraction system start-up period; • Monitoring and maintenance activities; • Progress/confirmation sampling; and • Report preparation. Advanced GeoEnvironmental,Inc.