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Dykxhoorn Page 5 of 9 Project Number: E07024B Date: October 31, 2007 The surface and near surface soils located at the site are reported by the San Joaquin County Soil Survey to be composed of Delhi loamy sand, Tinnin loamy coarse sand and Veritas fine sandy loam, all 0-2 % slopes (Plate 8) (USDA, 1992). The following table presents some selected properties of the soils: Table 1. San Joaquin County Soil Survey Selected Soil Pro erties of On-Site Soils. - Soil Name Depth Unified Soil Classification Salinity Soil Perme- Septic tank and Map (in) (mmhos/cm) Reaction ability absorption Symbol pH (in/hr) fields it Delhi, 0- Severe: 2% slopes, 0-16 Loamy sand; SM <2 6.1-7.8 6.0-20 2% 16-26 Loamy sand, loamy fine <2 6.1-7.8 6.0-20 poor Filter sand; SM 26-60 Sand, loamy sand, fine <2 6.1-7.8 6.0-20 sand; SP-SM, SM ` Tinnin 0-28: Loamy coarse sand; SM <2 6.1-7.8 6.0-20 Ignake. loamy 28-53: Loamy coarse sand, loamy <2 6.1-7.8 6.0-20 f coarse sand; SM <2 6.6-8.4 6.0-20 sand, 0-2% 53-75: Loamy coarse sand, loamy slopes, sand, sand; SM 255 6. Veritas, 0- 0-15 Fine sandy loam; SM, SC-SM <4 7.4-8.4 2.0-6.0 2%slopes 15-54 Sandy loam, fine sandy <4 7.4-8.4 2.0-6.0 f266 loam; SM, SC-SM 54-70 Cemented; 5.1 Soil ocations A total of two soil orings were advanced on the site, both borings to an approximate depth of three and a h�eet. The soil borings)were used later for percolation test holes; the locations of the borings are indicated in Plate 1., ' 5.2 Soil Boring Dimensions - The soil borings were both approximately three and a half feet in depth, as noted above, and " were four (4) inches in diameter. 5.3 Soil Lithology Observed Generally, the soil encountered in the boring is similar to the soils reported by the San Joaquin County Soil Survey for the area (USDA, 1992). The table below presents the soil log for the soil borings. '--44 V 902 Industrial Way•Lodi,CA 95240•209.367.3701 •Fax 209.369.4228 ©2007 Neil 0.Anderson&Associates,Inc