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I r <br /> "1 <br /> Site Background Information: Stallworth Auto Sales <br /> Page 9 of 9 <br /> On 16 November 2000, a representative of AGE conducted a search at the California Department <br /> of Water Resources of well drillers reports for water wells located in the surrounding area. Drillers <br /> reports for water wells located within a 2000-foot radius were found for CWSC water wells 42-01 <br /> and 53-01 . <br /> No additional wells were located within 2,000 feet of the subject property on the Department of <br /> Water Resources (DWR) database or the San Joaquin County Flood Control and Water Conservation <br /> District (SJCFC&WCD) map. No other wells were identified during the physical survey. <br /> A review of files on record with the San Joaquin CountyEHD did not locate any septic pits or septic <br /> systems on-site. <br /> QUARTERLY GROUND WATER MONITORING PROGRAM <br /> Quarterly ground water monitoring commenced June 2000; to date, thirty-two ground water <br /> monitoring events have been conducted at the site. Ground water flow direction at the site has been <br /> consistently towards the northeast to east. Since December 2005, chemicals of concern (COCs) have <br /> been detected in all wells except MW-3 through MW-5 . The highest concentration of dissolved <br /> hydrocarbons continues to be in the area of the former USTs; TPH-g, TPH-d, BTEX constituents, <br /> constituents of concern (COC) and 1 ,2-DCA are present in significant concentrations in monitoring <br /> well MW- IA and MW-8 . <br /> Advanced GeoEnvironn ental, Inc. <br />