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' LITHOLOGIC LOG BORING No. STK-14
<br /> Logged By:Jennifer Gruda 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/Ernesto 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 /> tSampling Interval:Continuous Boring Depth:10 Feet Page: 1 of 1
<br /> r E
<br /> m c ? c om
<br /> ' r Sample I.D. m 00 as
<br /> oas DESCRIPTION
<br /> Uw En NT E o `v o @ v1a
<br /> p N m
<br /> '
<br /> 0- Aggregate Base(18")
<br /> GW
<br /> ' STK-14-1.5 2 SC CLAYEY SAND,dark grayish brown to brown,slightly moist,
<br /> 26 6r, ------ medium dense,very low plasticity,little silt,some gravel,some
<br /> '��•'" BP orange brick pieces,no odor. '
<br /> Sample STK-14-1.5 collected from 1.5-1.75 feet bgs.
<br /> Poorly graded SAND,dark brown,dry,loose to medium dense,
<br /> -
<br /> 5 j CL fine-grained,some silt,no odor. _____
<br /> / Lean CLAY,olive gray,moist,medium stiff,medium to high
<br /> ' 4 / plasticity,little medium-grained sand,no odor.
<br /> 3 At 4 feet,becomes slightly moist,stiff to very stiff,slight petroleum
<br /> odor.
<br /> _ __ ------___---____----_---__----
<br /> CL
<br /> STK-14-5.0 / SANDY CLAY,grayish brown,slightly moist,medium stiff,medium
<br /> ' plasticity,fine-grained sand,slight petroleum odor.
<br /> 5 / Sample STK-14-5 collected from 5-5.25 feet bgs.
<br /> 6 / At 6 feet,becomes moist.
<br /> ' 3
<br /> / CL Lean CLAY,moderate yellowish brown,moist,soft,medium
<br /> j plasticity,little fine-grained sand,no odor
<br /> a 5
<br /> At 8 feet,becomes dark yellowish brown,very slightly moist,stiff,
<br /> medium to high plasticity,trace fine-grained sand.
<br /> STK-14-a.5 2 Sample STK-14-8.5 collected from 8.5-9 feet bgs.
<br /> NR At 8.5 feet,becomes moist,Soft.
<br /> No recovery.
<br /> tto-
<br /> 12-
<br /> 14-
<br /> Notes:
<br /> 01214Notes:Boring completed to 10 feet bgs.Groundwater was not
<br /> encountered.Borehole backfilled with neat cement from total depth to < ERRA PACIFIC GROUP
<br /> surface.Surface repaired to match surroundings.
<br /> ' Environmental Engineenng,Cansuong,and Construction
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