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L <br /> LJanuary 19,2006 <br /> NOA Project Number: E05161A <br /> + Table 3. <br /> L• San Joaquin County Soil Survey <br /> Selected Soil Properties of On-Site Soils. <br /> Soil Depth Unified Soil Classification Salinity Soil Perme- Septic tank <br /> Name (in) mmhos Reaction ability absorption <br /> and Map /cm pH (in/hr) fields <br /> .. Symbol <br /> Capay 0-20: Clay:CH,CL <2 6.6-8.4 0.06- Severe:peres <br /> Clay,0-2% 20-60: Clay,silty clay:CL,CH <2 6.6-8.4 0.2 slowly <br /> slopes, 0.06- <br /> 118. 0.2 <br /> Vemalis 0-9: Clay loam:CL <2 6.6-8.4 0.2-0.6 Severe:peres <br /> ` Clay 9-47: Loam,silt loam,day loam:CL,CL-ML <2 7.4-8.4 0.6-2.0 slowly <br /> Loam,0- 47-60: Stratified sandy loam to silty clay loam: <2 7.9-8.4 0.6-2.0 <br /> 2%slopes, CL,CL-ML <br /> 268 <br /> Note:The table descriptions do not necessarily reflect site-specific soil properties. <br /> .. 5.1 Soil Boring Locations <br /> One soil boring was drilled to a depth of approximately three and a half feet on the Site. The soil <br /> L boring was later used as percolation test hole, see Plate 1 for the boring location. Three borings were <br /> drilled in March 1994,see March 10, 1994 SSS for boring locations. <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. The soil borings from March 1994 were three feet deep,and were eight inches in diameter. <br /> 5.3 Soil Lithology Observed <br /> L <br /> Generally, the soil encountered in the boring was similar to the soils reported by the San Joaquin <br /> County Soil Survey for the area (USDA, 1992). The following table presents the soil log for the most <br /> recent boring on the subject property.Please see section VI in the 1994 report for the soil logs of the <br /> 1994 borings. <br /> Table 4. <br /> Soil Boring Log for P-1. <br /> Depth Interval (ft) Soil Type Unified Soil Classification <br /> 0-3 Dark Brown,moist,silty sand SDI <br />