' LITHOLOGIC LOG BORING No. BEL-1
<br /> Logged By:Jennifer Gruda Date Started:10/11/07 Client:PG&E
<br /> ' Checked By:Rick McCartney Date Completed:10/11/07 Site:Bellota Substation
<br /> Driller:Precision Sampling/Ernesto Northing:- Location:Linden,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"z 5'core barrel Elevation:-
<br /> Sampling Interval:Continuous Boring Depth:10 Feet Page: 1 of 1
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<br /> ' x Sample I.D. a r 2 c m
<br /> m O o > u DESCRIPTION
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<br /> 2 Asphalt-concrete(2")
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<br /> BEL-1-0.5 __ pa SW ggreg
<br /> Aate Base(4') Well graded GRAVEL.
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<br /> # Well graded SAND,dusky yellowish brown dry,medium-to coarse
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<br /> 0 SP-SM \• grained fine rounded gravel to YV diameter,some silt no odor.
<br /> "'Sample BEL-1-0.5 collected from 0.5—0.75 feet bgs ;
<br /> 2 1 - SW - ,At 1 foot,becomes SAND with SILT.
<br /> SW-SM yyell graded SAND,moderate yellowish brown to slightly dark
<br /> ' NRyellowish brown,dry,medium-grained,some silt,some coarse '
<br /> ',gravel,nc odor.
<br /> At 2 feet,becomes SAND with SILT.
<br /> 0 Rock No recovery
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<br /> Note:Hand auger refusal at 2.5 feet on large rock(hardpan?).
<br /> SP Geoprobe used for further borehole advancement.
<br /> Subrounded rock fragments 2"diameter.
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<br /> BEL-1-5.0 SP Poorly graded SAND(hardpan),pale yellowish brown,dry,dense to ,
<br /> ' very dense,fine-grained,some coarse gravel,highly cemented,no
<br /> SW ',odor
<br /> a Poorly y graded SAND(hardpan),moderate yellowish brown,dry,
<br /> very dense,highly cemented,no odor.
<br /> ' 0 Sample BEL-1-5.0 collected from 5—5.5 feet bgs.
<br /> Well graded SAND,moderate yellowish brown,dry,medium dense,
<br /> medium-grained,trace to little silt,no odor.
<br /> At 6.5,feet becomes pale yellowish brown,dense SAND.
<br /> e a - At 7.5 feet,trace to little clay,trace silt.
<br /> ' SP Poorly graded SAND,strong brown,loose to medium dense,
<br /> medium-grained,trace fine gravel,little silt,no odor.
<br /> CL Lean CLAY,moderate olive brown,very slightly moist,very stiff to
<br /> hard,medium to high plasticity,trace fine-grained sand,trace silt,
<br /> ' no odor.
<br /> 1d BEL-1-9.5 2 Sample BEL-1-9.5 collected from 9.5—10 feet bgs.
<br /> At 10 feet,becomes hard.
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<br /> Notes:
<br /> 214Notes: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 Englneenng,Consulting,and Coni
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