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November 24, 1999 <br /> Job Number: S99272 <br /> Page 5 <br /> level soil on low fan terraces. It is deep to a hard pan. Typically, the surface layer is grayish <br /> brown fine sandy loam about 15 inches thick. The subsoil is pale brown and light brownish gray <br /> fine sandy loam about 39 inches thick. The lower part to a depth of 70 inches is a variegated light <br /> gray and white,weakly cemented to strongly cemented hardpan. Permeability is moderately <br /> rapid.i' The following is an excerpt of the engineering properties for the following soil. <br /> Table <br /> Selected Soil Properties of the Veritas Fine Sandy Loam <br /> Soil Depth(in) Unified Soil Salinity Soil Permeability Septic tank <br /> Name Classification mmhos/cm Reaction in/hr absorption <br /> and Map pH fields <br /> Symbol <br /> Veritas, 0-15:Fine sandy SM SC-SM <4 7.4-8.4 2.0-6.0 Fair: <br /> 266 loam cemented <br /> 15-54: Sandy loam, SNL SC-SM <4 7.4-8.4 2.0-6.0 pan,thin <br /> fine sandy loam. layer. <br /> 54-70: Cemented I --- -- --- --- <br /> Note: The table descriptions do not necessarily reflect site-specific soil properties. <br /> Two soil borings, the first located at the 5 acre site proposed septic field, and the second <br /> located on the designated remainder parcel, were drilled to a depth of 10 feet to characterize the <br /> soils within each parcel at that location. No ground water was encountered to a total depth of 10 <br /> feet. Generally, the soil boring located in the proposed septic field encountered a brown sandy silt <br /> to a depth of 2 feet followed by a brown silty sand to a depth of 4.5 feet. The"hard pan" <br /> consisting of cemented silty sand with silt was encountered at 4.5 to 6.5 feet in depth. Following <br /> the hard pan was a fine to medium clean sand to a total depth of 10 feet. <br /> Generally, the soil boring located in the"designated remainder"parcel encountered similar <br /> soils as the first soil boring. The second soil boring indicted a brown sandy silt is present to a <br /> depth of 4.5 feet followed by a "hard pad' layer consisting of cemented silty sand with silt <br /> between 4.5 to 6.5 feet in depth. Following the hard pan was a fine to medium clean sand to a <br /> total depth of 10 feet. <br /> 4 USDA Soil Conservation Service, Soil Survey of San Joaquin County, California, Sheet 31. <br /> vE[s i <br /> z e <br /> o � <br /> ass o c• <br />