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L LJ `I <br /> LNovember 3,2004 <br /> NOA Project Number: E040119A <br /> L5.1 Soil Boring Locations <br /> Four percolation test borings were excavated on the Site. All of the borings were drilled to depths <br /> L between 3.0 to 3.5 feet below the ground surface. The soil borings were used later for percolation <br /> test holes; the locations are indicated on Plate 2(r Yir+ /Jeeev- W r.,i ,teas) <br /> 1. <br /> 5.2 Soil Boring Dimensions <br /> LThe soil borings were between 3.0 to 3.5 feet deep and were 4-inches in diameter. <br /> �S 2� <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 /> L, County Soil Survey for the area (USDA, 1992). Table 4 presents a representative soil log for the soil <br /> borings. <br /> Table 4. 3J <br /> Soil Boring Log for 3-N &4-N <br /> Depth Interval (ft) Soil Type Unified Soil Class cation <br /> 0-3 Dark Gray,silt,strong decomposition odor NIL-OL <br /> 5.4 Discussion of Soil Lithology <br /> A visual inspection of the shallow soils from on-site drilling indicates some potential for satisfactory <br /> percolation rate. A percolation test was used determine the actual suitability of the soils. Though <br /> the percolation tests may indicate a satisfactory percolation rate, the close proximity fluctuating <br /> ground water near the surface may impact the performance of a conventional septic system. This <br /> issue will be scusse ter on 7ne report. <br /> V <br /> it <br /> v <br /> 7 <br /> r <br /> "444 <br />