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Combrra Environmental Technology, Inc BORING/YY ELL LOG
<br /> 270 Perkins Street
<br /> Sonoma, California 95476
<br /> Telephone (707) 935-4850
<br /> Fax (707) 935-6649
<br /> CLIENT NAME Shell BORINGIWELL NAME MW-18-80 and MWA 8-120
<br /> JOBISITE NAME Former Texaco Station/United Gas Station DRILLING STARTED 22-Aua-02 _
<br /> LOCATION 440 W Charter Way,Stockton DRILLING COMPLETED 23-Aua-02
<br /> Continued from Previous Page
<br /> 3 � — "' x
<br /> o O�� C w a (0 ¢O LITHOLOGIC DESCRIPTION WELL DIAGRAM
<br /> CC z
<br /> a. m0 < W 0 L
<br /> O i
<br /> 00 @ 35'-tzlayeicSILT.(ML),dark grayish brown(2 5YR
<br /> 4/2),20%clay,70%silt, 10%fine sand,medium plasticity
<br /> ML @ 38'-SILT,(ML),brown(7 5YR 4/4)and dark
<br /> greenish gray(5G 411),10%clay,80%silt,10%fine sand,
<br /> 40 low plasticity
<br /> 00 ® 40'-dark greenish gray(5GY 411),5%clay,85%silt,
<br /> 10%fine sand,no plasticity
<br /> 43'-Clayey SILT.(ML),20%clay,75%silt,5%fine
<br /> sand,medium plasticity
<br /> 29 45 0 45'-olive gray(5Y 4/2),15%clay,75%silt,10%fine
<br /> sand,low to medium plasticity
<br /> 0 48'-dark yellowish brown(10YR 314),20%clay,70%
<br /> silt,10%fine sand,medium plasticity
<br /> 064 50520
<br /> Silly AND,(SM),very dark gray(N 3n,wet,15%silt,
<br /> SM 85%fine to medium sand
<br /> 540
<br /> ML Sandy SILT,(ML),dark greenish gray(10GY 3/1), 55 0
<br /> 225 55 moist 5%clay,60%silt 35%fine sand no elasticity
<br /> Silty SAND,(SM),dark greenish gray(100Y 4/1),wet,
<br /> 5%clay,20%silt,75%fine to medium sand
<br /> SM
<br /> 590
<br /> Sandy SILT,(ML),dark greenish gray(5GY 4/1),wet,
<br /> 746 60 55%sift,45%fine to medium sand,no plasticity
<br /> 61'-ClaM SILK,(ML),dark greenish gray(10GY
<br /> 411),moist, 15%clay,75%silt,10%fine to medium sand,
<br /> low to medium plasticity
<br /> 0
<br /> o Bentonite Seal
<br /> ca
<br /> ti 9 6
<br /> 65- 0 65'-Sandy SILT.(ML),wet,60%silt,40%fine sand,
<br /> a no plasticity
<br /> w
<br /> a
<br /> a'
<br /> 0
<br /> M Monterey
<br /> 2 70 69'-!2n=.Sandy SILT.(ML),dark greenish gray Sand#2112
<br /> a 70 (LOGY 311),moist to wet,20%clay,65%silt, 15%fine
<br /> sand,medium plasticity
<br /> v
<br /> CL
<br /> J
<br /> LU
<br /> 75
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