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Soil Excavation Work Plan IDEALEASE 1137 South Stockton Street, Stockton,California 1.0. INTRODUCTION At the request of Idealease of Stockton,Advanced GeoEnvironmental,Inc.(AGE)has prepared this Soil Excavation Work Plan for the property located at 1137 South Stockton Street, Stockton, California(site). Preparation of this work plan was directed by the Central Valley Regional Water Quality Control Board(CVRWQCB),by letters dated 25 August 2009 and 06 April 2010, for the removal of petroleum hydrocarbon-impacted source area soil.Copies of the CVRWQCB letters are included as Appendix A. The location of the site is illustrated in Figure 1. A plan of the site is illustrated in Figure 2. Site background information is summarized in Appendix B. The work plan was prepared in accordance with CVRWQCB guidelines ("Tri-Regional Board Staff Recommendations For Preliminary Investigations and Evaluation of Underground Tank Sites-UST) for the investigation of UST sites 2.0. SCOPE OF WORK Based upon the analytical results ofsoil samples collected during previous investigations,the highest concentrations of petroleum hydrocarbon-impacted soil were encountered within a shallow area extending west and southeast beneath the dispenser island located under the fueling canopy (Figure 3). Impacted soil in the dispenser and truck wash areas will be excavated to facilitate an overall mass reduction of contaminants at the site. The proposed scope of work will include the following tasks: • Planning and pre-field work activities. • Soil excavation and sample collection/analysis. • Excavation backfilling. • Soil disposal. • Report preparation. 2.1. PRE-FIELD WORK ACTIVITIES A health and safety plan will be prepared in accordance with Occupational Safety and Health Guidance Manual for Hazardous Waste Site Activities (National Institute for Occupational Safety and Health Administration, U.S. Coast Guard and U.S. Environmental Protection Agency, 1985). Advanced GeoEnvironmental,Inc.