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' LITHOLOGIC LOG BORING No. STK-15 <br /> Logged By:Jason Shipe Date Started:10/10/07 Client:PG&E <br /> ' Checked By:Rick McCartney Date Completed:10/10/07 Site:Stockton A Substation <br /> Driller:Precision Sampling/Emesto Northing:- Location:Stockton,California <br /> Drilling Method:Hand Auger(0-5 ft)/Direct Push(5 ft-Total Depth) Easting:- Project No.:PGE-1035-400 <br /> Sampling Method:Hand Auger Bucket/2"x 5'core barrel Elevation:- <br /> Sampling Interval:Continuous Boring Depth:10 Feet Page: 1 of 1 <br /> z E <br /> n <br /> rn c <br /> ' o c c m DESCRIPTION <br /> x Sample I.D. o�'�— 2 u c <br /> n E Jq <br /> o `m G m an, <br /> u .. <br /> m <br /> o in ro? a c0 0 3 <br /> 0 Aggregate Base(12") <br /> GW <br /> STK-15-1.0 5 CL SANDY CLAY,dusky yellowish brown,very moist,stiff,medium <br /> plasticity,medium-to fine-grained sand,trace gravel(aggregate <br /> base),no odor. <br /> z 3 ------ ., Sample STK-15.1.0 collected from 1_1.5 feet bgs. <br /> $C _ <br /> CLAYEY SAND,moderate yellow brown,moist,medium dense,low <br /> ' plasticity,fine-to medium-grained,no odor. <br /> ____---_---_-------________ <br /> 7 / CL SANDY CLAY,grayish brown,very moist,stiff,high plasticity,fine- <br /> / to medium-grained sand,no odor. <br /> 4 /2 <br /> _ ______ ____________________________________________________________ <br /> STK-15-5.0 15 CL Lean CLAY,dark yellowish brown,moist,stiff,high plasticity,few <br /> fine-grained sand,no odor. <br /> SP-SM Sample STK-15-5.0 collected from 5–5.5 feet bgs. <br /> s 2 Poorly graded SAND with SILT,dark yellowish brown,moist, <br /> medium dense,low plasticity,fine-grained,no odor. <br /> ' 1 <br /> CL SILTY CLAY,moderate yellowish brown,moist,very stiff,high <br /> plasticity,no odor. <br /> e 2 <br /> z j At 9 feet,trace fine-grained sand. <br /> Sample STK-15-9.5 collected from 9.5–10 feet bgs. <br /> ' 10 STK-15-9.5 1 <br /> 12- <br /> 14– <br /> I <br /> Notes:Boring completed to 10 feet bgs.Groundwater was not <br /> encountered.Borehole backfilled with neat cement from total depth to TERRA PACIFIC GROUP <br /> surface.Surface repaired to match surroundings. <br /> Environmental Engineering,Consulting,and Construction <br />