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GEOCHECW - PHYSICAL SETTING SOURCE SUMMARY <br />DOMINANT SOIL COMPOSITION IN GENE=RAL AREA OF TARGET PROPERTY <br />The U.S. Department of Agriculture's (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil <br />Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil surrey information <br />for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns <br />in a landscape. The following information is based on Soil Conservation Service SSURGO data. <br />Soil Map ID: 1 <br />Soil Component Name: SAN JOAQUIN <br />Soil Surface Texture: loam <br />Hydrologic Group: Class D - Very slow infiltration rates. Soils are clayey, have a high <br />water table, or are shallow to an impervious layer. <br />Soil Drainage Class: Moderately well drained <br />Hydric Status: Partially hydric <br />Corrosion Potential - Uncoated Steel: Moderate <br />Depth to Bedrock Min: > 0 inches <br />Depth to Watertable Min: a 0 inches <br />Soil Layer Information <br />Boundary <br />Classification <br />Saturated <br />hydraulic <br />conductivity <br />Soil Reaction <br />Layer <br />Upper <br />Lower <br />Soil Texture Ciass <br />AASHTO Group <br />Unified Soil <br />micro m/sec <br />(pH) <br />1 <br />0 inches <br />11 inches <br />loam <br />Silt -Clay <br />Not reported <br />Max: 0 <br />Max: Min: <br />Materials (more <br />Min: 0 <br />than 35 pct. <br />passing No. <br />200), Silty <br />Soils. <br />2 <br />11 inches <br />25 inches <br />sandy clay loam <br />Silt -Clay <br />Not reported <br />Max: 0 <br />Max: Min: <br />Materials (more <br />Min: 0 <br />than 35 pct. <br />passing No. <br />200), Silty <br />Soils. <br />3 <br />25 inches <br />35 inches <br />clay <br />Silt -Clay <br />Not reported <br />Max: 0 <br />Max: Min: <br />Materials (more <br />Min: 0 <br />than 35 pct. <br />passing No. <br />200), Silty <br />Soils. <br />4 <br />35 inches <br />59 inches <br />indurated <br />Silt -Clay <br />Not reported <br />Max: 0 <br />Max: Min: <br />Materials (more <br />Min: o <br />than 35 pct. <br />passing No. <br />200), Silty <br />Soils. <br />TC2807476.2s Page A-6 <br />