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FNovember 30, 2007 <br /> NOA Project Number: E07188A <br /> rl 5.0 SOIL PROFILE AND GEOLOGIC INFORMATION <br /> The Site is depicted on the California Geological Survey Geologie Map of Cenotioic Deposits of the San <br /> 0 Francisco-San Jose Quadrangle (1991) as within the Quarternary Modesto Formation. The Modesto <br /> Formation consists of Arkosic alluvium forming Mokelumne River terraces and alluvial fan; chiefly <br /> sand with minor gravel and silt;probably glacial outwash (Plate 7). <br /> I <br /> The surface and near surface soils located at the Site are reported by the San Joaquin County Soil Survey <br /> Fi <br /> to be composed of Honcut sandy loam, Manteca fine sandy loam,Tinnin loamy coarse sand and <br /> Veritas, all 0-2% slopes (Plate 8) (USDA, 1992). Table presents some selected properties of these <br /> soils <br /> Table 3. <br /> F! San Joaquin County Soil Survey <br /> Selected Soil Properties of On-Site Soils. <br /> Soil Name Depth SalinitySoil Perme- Septic tank <br /> F] and Map p Unified Soil ClassificationReaction ability absorption <br /> Symbol (m) mmhos/cm pH (in/hr) fields <br /> Honcut 0-21: 1 Sandy loam;SM <2 6.1-7.3 2.0-6.0 Slight <br /> sandy loam, 21-60: Coarse sandy loam,sandy loam; <2 6.1-7.8 2.0-6.0 <br /> 0-2% SM <br /> slopes, 175. <br /> Manteca 0-11 Fine sandy loam-,SM <2 7.4-8.4 2.0-6.0 Severe: <br /> fine sandy 11-24 Sine sandy loam,loam,sandy <2 7.4-8.4 .6-2.0 cemented <br /> loam,0-2 loam;SM,SC-SM pan <br /> R %slopes, 24-35 Indurated <2 <br /> 196 35-54 Cemented <2 --- --- <br /> 54-74 Stratified loamy sand to loam; <2 7.4-8.4 2.0-6.0 <br /> F! SM <br /> Tinnin 0-28: Loamy coarse sand;SM <2 6.1-7.8 6.0-20 Droughty: <br /> Iloamy 28-53: Loamy coarse sand,loamy sand; <2 6.1-7.8 6.0-20 fast intake. <br /> coarse SM <2 6.6-8.4 6.0-20 <br /> . sand,0-2% 53-75: Loamy coarse sand,loamy sand, <br /> slopes,255. sand;SM <br /> P 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 /> 266 SM,SC-SM cemented <br /> 54-70 Cemented; pan, <br /> F1 Note:The table descriptions do not necessarily reflect site-specific soil properties. <br /> i F1I <br /> I <br /> A <br /> 6 <br /> F1 <br />