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0 <br /> 6. <br /> LApril 13,2006 <br /> NOA Project Number: E05130B <br /> L 5.3 Soil Lithology Observed <br /> L 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 3 presents a soil log for the 25 foot deep soil <br /> boring. Conditions were comparable in the shallow holes. <br /> L <br /> Table 3. <br /> i Soil Boring Log. <br /> Depth Interval(ft) Soil Type Unified Soil Classification <br /> 0-7 Medium brown,moist clayey fine sand SC <br /> L <br /> 7-16 Light brown,moist,silty sand with clay SM <br /> 16-25 LSht brown,moist,silty sand SM <br /> L 5.4 Discussion of Soil Lithology <br /> L A visual inspection of the shallow and deep soils from on-site drilling indicates potential for <br /> percolation because of the sandy nature of the soils. A percolation test is the best method to <br /> determine the suitability of the soils. Please see the next section for percolation test results. <br /> L Generally speaking, coarser-grained soils have much greater potential for percolation than fine- <br /> grained or cemented soils. <br /> L6.0 PERCOLATION TEST INFORMATION <br /> L6.1 Percolation Test Locations <br /> A site map indicating the locations of the percolation test holes is included as Plate 1 in the appendix <br /> L of this report <br /> L6.2 Number of Percolation Tests <br /> L �Onn shallow a4one,deep percolation test were conducted o ea parcel, for a total of two <br /> slr�low and two deep percolation tests on the subject propert <br /> L <br /> L8 <br /> L <br />