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March 11,2005 <br /> NOA Project Number: E040150A <br /> No ground water was encountered by the staff of Neil O. Anderson&Associates, Inc. during the <br /> drilling of the percolation test holes to a depth of 3 feet on February 8,2005. <br /> 4.2 Potential Ground Water Contamination Issues <br /> Identifying potential ground-water contamination sources was not part of the scope of work for the <br /> soil suitability study. A Surface and Subsurface Contamination Report addressed this issue (NOA, Z� <br /> 2003). Please refer to this report for descriptions. ti/ <br /> Potential ground-water contamination can occur from a number of sources which often include <br /> leaky underground storage tanks, agricultural activities, dairies, septic systems, and storm water <br /> infiltration. Any past agricultural activities and the present use of septic systems in the area should <br /> be considered potential ground-water contamination sources. <br /> 4.3 Water Sample Location <br /> No permits were found for the subject property address of 1999 West Linne Road during file review <br /> on December 2,2004. <br /> No wells exist on the property, so no water sample was taken. <br /> 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION <br /> The Site is depicted on the Preliminary Geologic Map of the San Francisco- San Jose Cenozoic <br /> Deposits of the Tracy Quadrangle, California (1981),as within a region of Quaternary Fan deposits. <br /> The unit is one of gravel, sand silt and clay (Plate 3). <br /> The surface and near surface soils located at the Site are reported by the San Joaquin County Soil Survey <br /> to be composed of Capay clay,wet,0-2 percent slopes and Vernalis clay loam,wet, 0-2 percent <br /> slopes (Plate 4) (USDA, 1992). Table 3 presents some selected properties of the soils: <br /> 5 *44 <br />