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L <br /> LApril 13,2006 <br /> NOA Project Number: E05130B <br /> gravel and silt;probably glacial outwash (Plate 7). <br /> i The surface and near surface soils located at the Site are reported by the San Joaquin County Soil Survey <br /> to be composed of Delhi loamy sand,0-2% slopes and Veritas fine sandy loam, 0-2% slopes (Plate <br /> 8) (USDA, 1992). Table 2 presents some selected properties of these soils: <br /> 4 Table 2. <br /> San Joaquin County Soil Survey <br /> Selected Soil Properties of On-Site Soils. <br /> r <br /> Soil Name Depth Unified Soil Classification Salinity SoilPerme- Septic tank <br /> and Map (in) mmhos/cm Reaction ability absorption <br /> PH (�/�) <br /> Symbol fields <br /> Delhi,0- 0-16 Loamy sand;SM <2 6.1-7.8 6.0-20 _Severe:Poor <br /> 2%slopes, 16-26 Loamy sand,loamy fine sand; <2 6.1-7.8 6.0-20 Filter <br /> 142 SM <br /> 26-60 San Sand, sand,fine sand;SP- <2 6.1-7.8 6.0-20 <br /> Veritas,0- 0-15 Fine sandy loam;SM,SC-SM <4 7.4-8.4 2.0-6.0 Moderate: <br /> 2%slopes, 15-54 Sandy loam,fine sandy loam; <4 7.4-8.4 2.0-6.0 flooding, <br /> V 266 SM,SC-SM cemented <br /> ,pan <br /> 54-70 Cemented; <br /> L' Note: The table descriptions do not necessarily reflect site-specific soil properties. <br /> L5.1 Soil Boring Locations <br /> LA total o fo soil borings were advanced on the Site, two borings to a depth of approximately <br /> three feet d two borings to a depth of around 25 feet. The soil borings-were used later for <br /> percolation test holes;the locations of the borings are indicated it�late 1. <br /> 6. <br /> L5.2 Soil Boring Dimensions <br /> The soil borings were approximately three or 25 feet deep,as noted above,and were four inches in <br /> L <br /> diameter. <br /> L <br /> 7 <br /> "0,44 <br /> L <br />