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1 <br /> a <br /> Table 1. Selected Properties of On-Site Soils (USDA, 1992) <br /> Soil Name Depth Unified Soil Salinity Soil Perme- Septic tank <br /> and Map Reaction ability absorption <br /> Symbol <br /> (in) Classification mmhos/cm pH (In/hr) fields <br /> Bruella 0-18: Sandy loam; SC-SM, <2 6,1 - 7.3 2.0-6.0 Severe: <br /> sandy loam, SM peres slowly <br /> 0-2% 18-31: Sandy clay loam, sandy <2 6.1 - 7.3 o.2- 0.6 <br /> slopes, 111 'loam; SC <br /> 31-67: Sandy clay loam, clay <2 6.1 -7.3 0.2- 0.6 <br /> loam; SC, CL <br /> Sailboat silt 0-8: Silt loam;CL-ML, ML <2 6.1 - 7.3 0.6-2.0 Severe <br /> loam, 8-23: Stratified sandy loam to <2 6.6-7.8 0,2- 9.6 flooding, <br /> drained, 0- silty clay loam;CL-ML, peres slowly <br /> 2% slopes, CL <br /> occasionally 23-61: Stratified sandy clay <2 7.4-8.4 0-2-0.6 <br /> flooded, loam to silty clay loam <br /> 235 <br /> San 0-16: Loam; CL-ML,ML <2 5.6-6.5 0.6-2.0 Severe: <br /> Joaquin 16-26: Clay loam, clay; CL <2 6.1 - 7,8 <0.06 cemented <br /> complex, 26-60: Indurated — --- --- pan, peres <br /> 0-2% slowly <br /> slopes,241 <br /> Note:The table descriptions do not necessarily reflect site-specific soil properties. <br /> See description of the map unit for composition and behavior characteristics of the map unit. <br /> Soil Borings <br /> On October 12, 2010, Live Oak excavated one shallow boring on each of the proposed l <br /> :Parcels 1 and 2 of the Site for the purpose of conducting percolation tests (two borings <br /> total). The borings were four inches in diameter, 3.34 and 3.30 feet deep, and were <br /> excavated by hand auger. The boring locations are indicated on Plate 2. � J <br /> The soil in the borings was much less clayey than that described by the Soil Survey. <br /> Light brown sandy silt was encountered to the total depth of the borings, 3.34 feet. The �53� <br /> :log for the soil borings is presented in Plate 9. <br /> Discussion of Soil Lithology <br /> Based on the soils observed in the borings, there appears to be moderate potential for <br /> percolation. Sandy soils generally have a much greater potential for percolation than <br /> fine-grained or cemented soils. However, a percolation test is the only accepted <br /> method for determining the suitability of the soils for a septic disposal area. Percolation <br /> test results are discussed in the following section. <br /> LOGE1024 Page 5 <br /> i <br />