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Date Completed: 3/9/98 Surface Conditions: Moist aggregate base. <br /> Logged By: D. Heard <br /> Groundwater: Unknown due to mud-rotary drilling. <br /> Total Depth: 20-1/2 feet <br /> FIELD LABORATORY <br /> x <br /> 0 <br /> �' DESCRIPTION <br /> a != CD <br /> CD T o a. ° E aa)) L <br /> �' •+ <br /> N <br /> C. C. N a) in W Scm <br /> C) O <br /> c > ,'o o Cr N 5 Approximate Surface Elevation (feet): <br /> 0 0 rn m a o0 :2U � a n." <br /> Sandy GRAVEL(GM):some clay,brick and asphalt debris(Aggregate Base) <br /> Silty CLAY(CL): Brown,very moist to wet,very soft,some very fine to <br /> fine sand, no odor <br /> 5 7-5-1 <br /> 10 very moist, stiff, no odor <br /> 7-10-3 14 <br /> Silty SAND(SM): Brown to gray, wet, loose,very fine to fine grained, <br /> petroleum odor <br /> 15 _ <br /> _ 7-15-13 Sifty CLAY(CL): Gray, wet,medium stiff,some very fine to fine sand, <br /> 13376 6 petroleum odor <br /> Silty SAND/Silty CLAY(CL-SM) Interbedded:Brown,wet, loose to stiff, <br /> fine to medium sand, no odor <br /> 20 7-19-e 9 — <br /> ' Boring completed at a depth of approximately 20-1/2 feet below existing <br /> site grade. <br /> 25 <br /> 1 <br /> ' PLATE <br /> N LOG OF BORING B- 7 1 of 1 <br /> KLEINFELDER <br /> ' PROPOSED TRACY MULTIMODAL STATION <br /> o <br /> SEC CENTRAL AVE/SIXTH ST A-9 <br /> F Drafted By: DWA Project No.: 20 405401 E01 TRACY, CALIFORNIA (APN:235-150-16) <br /> 2 Date: 4/21/98 1 File Number: <br /> Copyright Kleinfelder,Inc. 1998 <br />