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' Project Name: Barclays Lathrop site Date: 8/2/93 Boring No her: C1 <br /> ' Project No: 14744 Borehole Depth: 140' Surface Completion: monument <br /> Drilling Co: Exploration Drilling Well Depth: 117.5' Surface Elevation: <br /> Drilling Equip: Failing 1500 mud rotary Water Elev.: Logged By; JED <br /> Sampler Type: 94mm wireline Casing Elevation: Checked By: CAH <br /> E <br /> E E E <br /> Description j A z ¢ O Remarks <br /> Pale yellowish brown (10YR 6/2) silty SAND (SM) <br /> ' (20,30,50,0) loose, moist, micaceous. 5% bentonite grout <br /> Alternating lenses of increased clay and increased sand. <br /> ' 12 <br /> ' Grades to Moderate yellowish brown(IOYR 5/4) 1 <br /> fine-medium grained, wet,micaceous. <br /> Pale yellowish brown (IOYR 6/2) silty CLAY (CL) <br /> ' (60,20,20,0)with very fine sand, stiff,dry. <br /> 1 <br /> Sz <br /> t 6"lens of medium grained SAND(SP) (0,0,100,0) <br /> medium dense wet. <br /> Very stiff CLAY(CL) (100,0,0,0-) <br /> 14 1 1 Bottom of hole at 140 feet. <br /> 1 <br /> ' 14 <br /> ' 15 <br /> TRC Environmental Corporation Figure No. A-5 <br />