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Preliminary Site Assessment Work Plan KISHIDA PROPERTY 860 East Pine Street,Lodi, California 1.0. INTRODUCTION At the request of Mr. Russell Kishida,Advanced GeoEnvironmental, Inc. (AGE)has prepared this Preliminary Site Assessment WorkPlan(WorkPlan)for the property located at 860 East Pine Street, Lodi, California(site).A plan of the site is illustrated on Figure 2. This Work Plan was prepared as required by the California Regional Water Quality Control Board-Central Valley Region(Regional Water Board) in their letter dated 2 July 2008 (Appendix A) and is in accordance the Regional Board's guidelines for Spills, Leaks Investigations Cleanup (SLIC) sites. 2.0. BACKGROUND The site is located in an industrial and commercial area located at 860 Pine Street,Lodi,California. The property is rectangular in shape, and the surface primarily consists of dirt and gravel. The prominent features on the site include a building on the northern portion and a large canopy on the south western portion of the property(Figure 2). In their letter dated 07 May 2008, the EHD reported that the previous business owners allegedly disposed of used oil,waste solvents,waste paint, waste diesel fuel and waste hydraulic fluids onto dirt and gravel on the site between 2004 to 2007. On 18 January 2008, a site inspection revealed stained areas on the property and several abandoned drums. The hazardous waste containers were properly disposed of at the Household Hazardous Waste Consolidation Facility; however several stained areas remain on-site (EHD, 2008). 3.0. SCOPE OF WORK AND SCHEDULE AGE proposes to advance five soil probe borings to a depth of approximately ten feet below surface grade (bsg) in the stained areas in order to delineate the vertical extent of soil contamination. Additionally, one soil boring will be advanced to first encountered ground water in order to assess the possibility of the contaminants migrating into the saturated zone. Based upon current investigations in the general area of the site,ground water is estimated to be approximately 50 to 60 j feet bsg. The scope of the work will include: • Permitting and pre-field work activities; • Soil boring advancement; • Soil and grab ground water sample collection and analysis; • Report preparation Advanced GeoEnvironmental,Inc. i