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L December 7,2005 <br /> NOA Project Number: E05141B <br /> 5.3 Soil Lithology Observed <br /> L Generally, the soil encountered in the boring is similar t the soils reported by the San Joaquin <br /> County Soil Survey for the area (USDA, 1992 Tab presents a soil log for the 15.98 foot deep <br /> soil boring. Conditions were comparable in the shallow holes. <br /> L <br /> Table 3. <br /> Soil Boring Log. <br /> Depth Interval (ft) Soil Type Unified Soil Classification <br /> u-- Medium brown,moist clayey fine sand SC <br /> 7-16 Li ht brown,moist,silty fine sand with cla SM <br /> r <br /> 5.4 Discussion of Soil Lithology <br /> v <br /> A visual inspection of the shallow and deep soils from on-site drilling indicates some 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. i <br /> Generally speaking, sandy soils have much greater potential for percolation than fine-grained or <br /> cemented soils. <br /> r <br /> 6.0 PERCOLATION TEST INFORMATION <br /> 6.1 Percolation Test Locations <br /> A site map indicating the locations of the percolation test holes is included as Plate I in the appendix <br /> of this report <br /> 6.2 Number of Percolation Tests <br /> ` One hallow�nd one deep percolation test was conducted on each parcel, for a total of three <br /> shallow and three deep percolation tests on the subject property. <br /> L <br /> 8 <br /> L '004 <br />