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v 1400, <br /> 6. <br /> November 20,2003 <br /> Job Number:LE03-421 <br /> Page 7 <br /> L 5.2 Soil Properties in the Vicinity <br /> The surface and near surface soils located at Site are reported to be composed of San Joaquin <br /> 6. sandy loam, 2 to 5 percent slopes,Redding gravelly loam, 2 to 8 percent slopes, and San Joaquin <br /> sandy loam, 0 to 2 percent slopes (Plate 7) (USDA, 1992). Table 2 presents some selected <br /> properties of these soils. <br /> Table 2. <br /> Selected Soil Properties of the Surrounding Area <br /> San Joaquin County Soil Survey Report. <br /> Soil Name and Map Depth(in) Unified Soil Salinity Soil Septic tank <br /> Symbol Classification mmhos/cm Reaction absorption <br /> pH fields <br /> Redding gravelly 0-6: Loam. CL-ML,CL <2 5.1 -6.5 Severe: <br /> loam,2 to 8 percent 6-27: Loam,clay loam, CL-ML,CL <2 5.1-6.5 cemented pan. <br /> slopes, 219. gravelly loam <br /> 27-30:Clay loam,clay, CL,CH <2 5.1-6.5 <br /> gravelly clay. <br /> 30-60:Indurated. --- --- --- <br /> San Joaquin sandy 0-13: Sandy loam SM <2 5.6-6.5 Severe: <br /> loam,0 to 2 percent 13-20:Clay loam,clay. CL <2 6.1 -7.8 cemented pan, <br /> slopes,236. 20-60:Indurated. — — peresslowly. <br /> San Joaquin sandy 0-10: Sandy loam SM <2 5.6-6.5 Severe: <br /> loam,2 to 5 percent 10-20: Clay loam,clay. CL <2 6.1 -7.8 cemented pan, <br /> slopes,237. 20-60:Indurated. <br /> Note: The table descriptions do not necessarily reflect site-specific soil properties. <br /> .. 5.3 Soil Lithology Observed and Septic Applicability <br /> L Generally, the soil encountered in the borings is similar to the soils reported by the San Joaquin <br /> County Soil Survey soil for the area(USDA, 1992). Tables 3 and 4 present the soil logs for the <br /> percolation test holes. <br /> L <br /> p[R,Oy <br /> L` <br />