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l Fi February 28, 2007 NOA Project Number: E07023A Soil NameSoil Perme- Septic tank and Map Depth Unified Soil Classification Salinity Reaction ability absorption ` Symbol (in) mmhos/cm pH (in/hr) fields Manteca 0-11 Fine sandy loam;SM <2 7.4-8.4 2.0-6.0 Severe: fine sandy 11-24 Sine sandy loam,loam,sandy <2 7.4-8.4 .6-2.0 cemented loam,0-2 loam;SM,SC-SMpan k %slopes, 24-35 Indurated <2 - 196 35-54 Cemented <2 --- --- 54-74 Stratified loamy sand to loam; <2 7.4-8.4 2.0-6.0 SM Tinnin 0-28: Loamy coarse sand;SM <2 6.1-7.8 6.0-20 Droughty: loamy 28-53: Loamy coarse sand,loamy sand; <2 6.1-7.8 6.0-20 fast intake. �+ coarse SM <2 6.6-8.4 6.0-20 sand,0-2% 53-75: Loamy coarse sand,loamy sand, slopes,255. sand;SM Veritas,0- 0-15 Fine sandy loam;SM,SC-SM <4 7.4-8.4 2.0-6.0 Moderate: 29/6 slopes, 15-54 Sandy loam,fine sandy loam; <4 7.4-8.4 2.0-6.0 flooding, 266 SM,SC-SM - - cemented 54-70 Cemented;-- an - Note:The table descriptions do not necessarily reflect site-specific soil properties. FJI 5.1 Soil Boring Locations A total of one soil boring was advanced on each parcel of the site to a depth of approximately three and a half feet. The soil borings were used later for percolation test holes;the locations of the borings are indicated in Plate 1. �j 5.2 Soil Boring Dimensions l f The soil borings were approximately three and a half feet, as noted above, and were four inches in hdiameter. 5.3 Soil Lithology Observed FJGenerally, the soils encountered in the borings were similar to the soils reported by the San Joaquin County Soil Survey for the area (USDA, 1992).Table 4 presents a soil log for the three and a half foot soil borings. Table 4. Soil Boring Log. I Depth Interval(ft) Soil Type Unified Soil Classification 0-3.5 Brown sandy silt SM a P 6