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May 2, 2007 <br /> NOA Project Number: E07040B <br /> Table 1. <br /> Selected Soil Properties <br /> San Joaquin County Soil Survey Report. <br /> Soil Name Salinity Septic tank <br /> Soil Reaction <br /> and Map Depth(in) Unified Soil Classification mmhos H absorption <br /> Symbol /cm p fields <br /> Jack Tone, 0-22 Clay;CL,CH <2 6.6-8.4 0.06-0.2 <br /> Urban 22-34 Clay loam,clay silty clay;CL, <2 7.9-9.0 0.06-0.2 <br /> Land CH <br /> Complex, 34-37 Indurated --- --- --- <br /> -� 0-2% 37-46 Loam,clay loamCL-IvfL,CL <2 7.9-9.0 0.2-0.6 <br /> slo es, 181 46-60 Cemented I --- I --- I --- <br /> Note: The table descriptions do not necessarily reflect site-specific soil properties. <br /> 5.1 Soil Boring Locations <br /> One soil boring was advanced on the site. The boring was drilled to approximately three and a half <br /> feet. The boring was later used for a percolation test hole; the location of the boring is indicated in <br /> Plate 1. <br /> 5.2 Soil Boring Dimensions <br /> The soil boring was approximately three and a half feet deep, as noted above and was four inches in <br /> diameter. <br /> 5.3 Soil Lithology Observed <br /> Generally, the soil encountered in the boring is similar to the soils reported by the San Joaquin <br /> County Soil Survey for the area (USDA, 1992). Table 2 presents the soil logs for the three and a <br /> half foot boring. <br /> Table 2. <br /> Soil Boring Log Subject Property Shallow and Deep). <br /> Depth Interval(ft) Soil Type Unified Soil Classification <br /> 0-2.7 Dark brown clay CL <br /> 2.7-3.5 Light brown silt with clay NIL <br /> Note:Descriptions are representative of soil conditions encountered in both shallow and deep borings. <br /> r <br /> r <br /> 5 <br />