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On-Site Wells <br /> No wells are currently located on the Site. One well permit was identified for the Site <br /> from among the files of the San Joaquin County Environmental Health Department. <br /> The permit, dated March 2015, was for destruction of an inactive well. This permit has <br /> been included in Appendix 4. <br /> Water Sample <br /> Because no well is present, no water sample was collected as part of this investigation. <br /> Soil Profile and Geologic Information <br /> The Site is depicted on the Preliminary Geologic Map of the Lodi 30' x 60' Quadrangle, <br /> California (Dawson, 2009). The Site is depicted within map unit of the Modesto <br /> formation upper member, described as undivided alluvium (Plate 10). <br /> The surface and near surface soils located at the Site are reported by the USDA Web <br /> Soil Survey to be composed of Tokay fine sandy loam (Plate 11) (USDA, 2019). The <br /> table below presents some selected properties of this soil: <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 /cm Reaction ability absorption <br /> Symbol (in) Classification mmhos pH (in/hr) fields <br /> Tokay fine 0-19 Fine sandy loam; SM <2 6.1-7.8 2.0-6.0 Slight <br /> sandy loam, 19-45 Fine sandy loam, sandy <2 6.1-7.8 2.0-6.0 <br /> 0-2% slopes, loam; SM <br /> 256 45-60 Fine sandy loam, sandy <2 6.1-8.4 2.0-6.0 <br /> loam, coarse sandy <br /> loam; SM <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 Borings <br /> On July 20, 2019, 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, 3.18 feet deep, and was excavated by hand auger (Table <br /> 2). The location of the boring is indicated on Plate 12. <br /> The soil in the boring was similar to that described by the Soil Survey. Silty, fine sand <br /> was encountered to full depth of the hole. The soil log is presented on Plate 13. <br /> LOGE 1936 Page 4 <br />