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C
<br />2" — eotogical Tech/tics Inc. FIGURE 4: LOG OF BORING AS-2 IN .:,,,,,,,,, •
<br />(Page 1 of 1)
<br />George's Service
<br />1600 Durham Ferry Road
<br />Tracy, CA
<br />Project No.: 425.2
<br />Date :6/25/2012
<br />Drilling Method : NSA
<br />Driller : V & W Drilling
<br />Logged By : Andrew Dorn
<br />Depth
<br />in
<br />Feet
<br />= 0 o
<br />0
<br />Fo
<br />Time DESCRIPTION
<br />c.)
<br />T a .:c cc
<br />c7
<br />co
<br />0 cn m
<br />OVM
<br />(PPrn)
<br />Well: AS-2
<br />Elev.: N/A
<br />/-- Cover
<br />I i 0
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<br />_
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<br />EXCAVATION FILL - Pea gravel from 1/2" to 3",
<br />sub-rounded to sub-angular, native soil begins -13.5'
<br />bgs
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<br />-.I CASING ..
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<br />•• .., . . • 15—
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<br />2
<br />3 1200
<br />4 •
<br />GRAVELY SAND - dark brownish gray, mostly VF-C
<br />sand w/ some gravel to 1cm, some silt/clay, moist, SP 1530 - • •
<br />- •
<br />• •
<br />• • brittle, no plasticity, mild odor
<br />_
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<br />/, / 4,—SEAL
<br />/
<br />20—
<br />- 3
<br />2 1210
<br />SILT - dark brownish gray, mostly silt, some VF sand, j I I 1 ML 83.5
<br />- wet, no plasticity, mild odor
<br />3 SC
<br />- _ CLAYEY SAND - dark brown, 50/50 fines/sand, VF-M . CL —SAND PACK
<br />_ sand, s. plasticity, moist, no odor -
<br />-
<br />.
<br />CLAY - brown, traces of silt, highly compacted. firm,
<br />mod. plasticity, mild odor
<br />-
<br />- = SCREEN
<br />-
<br />-
<br />=
<br />25—
<br />_
<br />3
<br />4 1220
<br />SAND - brown, mostly VF-M sand w/ some silt/clay. SP 310
<br />- moist, low plasticity, mild odor / SC _ 5 SANDY CLAY - dark grayish brown, mostly clay w/ si lt I I I ML 11-28-2012 C..3 0 and VF-F sands, mod. plasticity, moist, strong odor
<br />-
<br />- SANDY SILT - brown, mostly silt IN/ some clay and VF-F
<br />- sand, moist, low plasticity, mild odor
<br />-
<br />- _
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