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E <br /> F _��t August 31, 2006 - <br /> NOA Project Number: E06091A <br /> JF1 5.2 Soil Boring Dimensions <br /> The soil borings were approximately 3 feet and 8.5 feet, as noted above, and were four inches in <br /> diameter. <br /> Fi 5.3 Soil Lithology Observed <br /> i 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 the soil logs for the 25 foot deep <br /> F� soil borings. The soils were found to be similar at both locations. Conditions were also comparable <br /> in the shallower borings on each parcel. <br /> F1 Table 3. <br /> Soil Boring Lo Sub'ect Prop" Shallow and Dee <br /> Depth Interval(ft) Soil Type Unified Soil Classification <br /> C!�� 0-2 Gray,sandy silt with some clay SC <br /> 2-8.5 Reddish brown,moist silty sand with some cla SC <br /> i <br /> Note:Descriptions are representative of soil conditions encountered in both shallow and deep borings. <br /> 5.4 Discussion of Soil Lithology <br /> A visual inspection of the deep soils from on-site drilling indicates some potential for satisfactory <br /> percolation. A percolation test is the best method to determine the suitability of the soils for a <br /> septic disposal area. Please see the next section for percolation test results. Generally speaking, <br /> coarser grained soils have much greater potential for percolation than fine-grained soils. <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 1 of this report. <br /> 6.2 Number of Percolation Tests <br /> F1One shallow and one deep percolation test were conducted on the Site. <br /> F <br /> 7 <br />