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September 9, 2005 <br /> NOA Pro)ect Number: E05106B <br /> Table 3. <br /> on San Joagruin County"Soil Survey <br /> Selected Soil Properties of On-Site Soils. <br /> Soil Name Depth Unified Soil Classification Salinity Soil Perme- Septic tank <br /> and Map (in) (mmhos/ Reaction ability absorption <br /> Symbol cm) (pH) (in/hr) fields <br /> 0-25: Clay;CL,CH <2 6.6-7.3 0.06-0.2 Poor: <br /> Galt clay, 25-34: Clay,silty clay;CL,CH <2 6.6-8.4 0.06-0.2 cemented <br /> 0-2% 34-60: Cemented --- --- --- pan,too <br /> slopes, 160. clayey,hard <br /> ' to pack. <br /> Hollenbeck 0-15: Loam;CL-ML,ML <2 5.6-6.5 0.16-0.18 Fair:too <br /> silty clay, 15-36: Clay loam,sandy clay loam;Cl, <2 6.1-7.8 0.17-0.20 clayey <br /> 0-2% SC <br /> slopes, 173. 36-60: Sandy clay loam,sandy loam;SC- <2 6.6-7.8 0.11-0.15 <br /> SM,SM <br /> 0-22: Clay;CL,CH <2 6.6-8.4 0.06-0.2 Poor: <br /> Jacktone 22-34: Clay loam,clay,silty clay;CL,CH <2 7.9-9.0 0.06-0.2 cemented <br /> clay,0-2% 34-37: Indurated --- --- --- pan,too <br /> slopes,180. 37-46: Loam,clay loam;CL-ML,CL <2 7.9-9.0 0.2-0.6 clayey,hard <br /> 46-60: Cemented --- --- --- to pack. <br /> Vignolo silt 0-17: Silt loam,ML,CL-ML <2 7.4-7.8 0.15-0.19 Poor: <br /> ` loam,0-2% 17-33: Loam,silt loam,ML,CL-ML <2 7.4-7.8 0.15-0.19 cemented <br /> slo es,270. 33-60: Cemented --- --- --- an. <br /> Note:The table descriptions do not necessarily reflect site-specific soil properties. <br /> J <br /> / 5.1 Soil Boring Locations <br /> Four soil borings were advanced on the Site. Two borings were drilled to a depth of approximately <br /> 3 feet and two to a depth of around 25 feet. The soil borings were used later for percolation test <br /> holes;the locations of the borings are indicated in Plate 1. <br /> J 5.2 Soil Boring Dimensions <br /> The soil borings were approximately 3 feet and 25 feet, as noted above, and were four inches in <br /> diameter. <br /> J <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 /> r. County Soil Survey for the area (USDA, 1992). Table 4 presents the soil logs for the 25 foot deep <br /> 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 /> 7 <br />