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Table 1. Selected Properties of On -Site Soils (USDA, 1992) <br />Soil Name <br />Depth <br />Unified Soil <br />Salinity <br />Soil <br />Perme- <br />Septic tank <br />and Map <br />(in) <br />Classification <br />mmhos/cm <br />Reaction <br />ability <br />absorption <br />Symbol <br />pH <br />(in/hr) <br />fields <br />Manteca <br />0-11 <br />Fine sandy loam; SM <br /><2 <br />7.4-8.4 <br />2.0-6.0 <br />Severe: <br />fine sandy <br />11-24 <br />Fine sandy loam, loam, <br /><2 <br />7.4-8.4 <br />0.6-2.0 <br />cemented <br />loam, 0-2 % <br />sandy loam; SM, SC -SM <br />pan <br />slopes, 196 <br />24-35 <br />Indurated <br /><2 <br />--- <br />--- <br />35-54 <br />Cemented <br /><2 <br />--- <br />--- <br />54-74 <br />Stratified loamy sand to <br /><2 <br />7.4-8.4 <br />2.0-6.0 <br />loam; SM <br />Timor loamy 0-14 Loamy sand; SM <2 6.6-7.8 6.0-20 Severe: <br />sand, 0-2% 14-56 Loamy sand, loamy <2 7.4-8.4 6.0-20 poor filter <br />slopes, 254. coarse sand, SM <br />56-60 Cemented --- --- --- <br />Veritas fine 0-15 Fine sandy loam; SM, <4 7.4-8.4 2.0-6.0 Moderate: <br />sandy loam, SC -SM flooding, <br />0-2% 15-54 Sandy loam, fine sandy <4 7.4-8.4 2.0-6.0 cemented <br />slopes, loam; SM, SC -SM pan <br />266 54-70 Cemented -- -- -- <br />Note: The table descriptions do not necessarily reflect site-specific soil properties. See description of the map unit for <br />composition and behavior characteristics of the map unit. <br />Soil Boring <br />On August 25, 2021, Live Oak excavated a shallow soil boring near the proposed septic <br />disposal area of the Site for the purpose of conducting a percolation test. The boring <br />was four inches in diameter, 2.00 feet deep, and was excavated by hand auger (Table <br />2). <br />The location of the boring is indicated on Plate 11. <br />The soil in the boring was similar to that described by the Soil Survey. Silty sand was <br />encountered to the full depth of the hole. The soil log is presented on Plate 12. <br />Discussion of Soil Lithology <br />Based on the soil observed in the boring, there appears to be good potential for <br />percolation in the shallow soil zone at the test location. Sandy soils generally have a <br />much greater potential for percolation than fine-grained or cemented soils. However, a <br />percolation test is the only accepted method for determining the suitability of the soils <br />for a septic disposal area. Percolation test results are discussed in the following <br />section. <br />LOGE 2142 Page 6 <br />