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GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY <br />Hydric Status: Not hydric <br />Corrosion Potential - Uncoated Steel: High <br />Depth to Bedrock Min: > 127 inches <br />Depth to Watertable Min: > 61 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 Class <br />AASHTO Group <br />Unified Soil <br />micro m /sec <br />(pH) <br />1 <br />0 inches <br />5 inches <br />silt loam <br />Silt -Clay <br />FINE - GRAINED <br />Max: 14 <br />Max: 6.5 <br />Materials (more <br />SOILS, Silts and <br />Min: 4 <br />Min: 5.1 <br />than 35 pct. <br />Clays (liquid <br />passing No. <br />limit less than <br />200), Silty <br />50 %), silt. <br />Soils. <br />2 <br />5 inches <br />24 inches <br />silty clay <br />Silt -Clay <br />FINE - GRAINED <br />Max: 1.4 <br />Max: 7.3 <br />Materials (more <br />SOILS, Silts and <br />Min: 0.42 <br />Min: 6.1 <br />than 35 pct. <br />Clays (liquid <br />passing No. <br />limit 50% or <br />200), Clayey <br />more), Fat Clay. <br />Soils. <br />3 <br />24 inches <br />42 inches <br />silt loam <br />Silt -Clay <br />FINE - GRAINED <br />Max: 4 <br />Max: 7.8 <br />Materials (more <br />SOILS, Silts and <br />Min: 1.4 <br />Min: 5.6 <br />than 35 pct. <br />Clays (liquid <br />passing No. <br />limit less than <br />200), Clayey <br />50 %), Lean Clay <br />Soils. <br />4 <br />42 inches <br />44 inches <br />weathered <br />Not reported <br />Not reported <br />Max: 0.42 <br />Max: Min: <br />bedrock <br />Min: 0.01 <br />Soil Map ID: 6 <br />Soil Component Name: Herndon <br />Soil Surface Texture: silt loam <br />Hydrologic Group: Class B - Moderate infiltration rates. Deep and moderately deep, <br />moderately well and well drained soils with moderately coarse <br />textures. <br />Soil Drainage Class: Well drained <br />Hydric Status: Not hydric <br />Corrosion Potential - Uncoated Steel: High <br />Depth to Bedrock Min: > 0 inches <br />Depth to Watertable Min: > 0 inches <br />TC4227876.2s Page A -10 <br />