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_ LOG OF BORING No. B-4 (oyA)
<br /> LU
<br /> P5 E DATE DRILLED: 11151'92 ELEVATION:
<br /> � EQUIPMENT:Acker with 8-inch Hallow Stem Auger
<br /> co 1~ 0 � �W z ie
<br /> Silty SAND(SC)-loose.moist,dark yellowish brawn
<br /> (tOYR 412),very line to medium grain
<br /> Sandy CLAY(CL)-stiff.slightly moist,moderate yellowish
<br /> brown(10YR 514),very fine to fine sand,medium plasticity
<br /> C 60/60 5 Clayey Silty SAND(SC)dense,dry,medium yellowish brown
<br /> (1 OYR 6/4),very fine to medium grained
<br /> grades to dark yellowish brown orange(I oYR 6/6)@ 8'
<br /> (day 10%,slit 20%,sand 70%),increasing silk with depth
<br /> x
<br /> C 60160 10 and decreasing day content
<br /> � 3
<br /> to �
<br /> 3
<br /> SAND(SW)-loose.dry,dark,yellowish orange(10YR 516)
<br /> 0 fine lo coarse grained sand.well graded,surrounded,with
<br /> 00
<br /> C 3 513 5 O day(40%)
<br /> 2,+ 1/S 10.25-32 18J18 15 0
<br /> W Sandy Clayey SILT(ML)-moderately stiff,dry,dark
<br /> yellowish brown(10YR 616),very fine to fine sand,low
<br /> plasticity
<br /> 0 o interbedded with silty day(CL)lenses,medium stiff,dry,
<br /> medium yellowish brawn(10YR 513)with minor black
<br /> C 60/60 mottling,medium plasticity,minor gypsum veinlets
<br /> 20 Sandy Silty CLAY(CL}Clayey Silty SAND(SC)-medium 60
<br /> stiff,mots%medium greenish gray(5GY 511),sand Is very
<br /> • fine to medium grain,medium to low plasticity (30%slit
<br /> 35%sand,35%day)
<br /> C
<br /> 35135
<br /> 2/S 7-50(6"} 18/18 Silty CLAY(CL)-hard,dry,dark yellowish brown(10YR 4!2)
<br /> 25 with minor black mottling and rust staining,medium to low
<br /> plasticity
<br /> Clayey Silty SAND(SC)-dense.moist,dark greenish gray
<br /> (5GY 4/1),sand is very fine to fine grained,slight petroleum O 5
<br /> odor
<br /> SAND(SW)-6"lens @ 291,medium dense,moist,sand Is
<br /> C 65 30 fine to medium grained,subrounded,petroleum odor
<br /> Clayey Silty SAND(SC)-with Interbedded silty day(CL)
<br /> 4 lenses dark greenish gray(5GY 4/1),minor organic fibrous
<br /> material 033,slight petroleum odor
<br /> p C 65 1 Sand(Slit')lens @ 34-34 25',fine to coarse grained sand
<br /> x 35 —
<br /> Silty CLAY(CL)-hard,moist,dark bluish gray(5B 4/1),
<br /> medium plasticity,minor medium grained sand, blocky,hard 10
<br /> and dry @ 36'downward,gypsum veinlets
<br /> LU
<br /> C 64 40
<br /> THIS SUMMARY APPLIES ONLY AT THE LOCATION OF THIS BORINk3 A!�AT THE TIME OF DRILLNQ. SUBSURFACE CONDITIONS MAY DIFFER AT OTHER LOCATIONS AND
<br /> MAY CHANGE AT THIS LOCATION WITH THE PASSAGE OF TIME.THE DATA PRESENTED IB A SIMPLIFICATION OF ACTUAL CONDITIONS ENCOUNTERED
<br /> PROJECT NO
<br /> •
<br /> PRELIMINARY CLOSURE REPORT 92-117710130
<br /> rTHE� STOCKTON SCAVENGER ASSOCIATION MARK DRAWING Na
<br /> ib GR.UP,INC. STOCKTON,CALIFORNIA A-5
<br /> ENGINEERS & GEOLOGts'rs
<br />
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