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Cambria Environmental Technology, Inc BORING/WELL LOG
<br /> 270 Perkins Street
<br /> Sonoma, California 95476
<br /> Telephone (707)935-4850
<br /> Fax (707) 935-6649
<br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME B-4
<br /> JOBISITE NAME Shell Branded Service Station DRILLING STARTED 16-Oct-02
<br /> LOCATION 7910 Lower Sacramento Road, Stockton,CA DRILLING COMPLETED 16-Oct-02
<br /> PROJECT NUMBER 0832 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION Not Surveyed
<br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION Not Surveyed
<br /> BORING DIAMETER 5 25" SCREENED INTERVAL NA
<br /> LOGGED BY S Lewis DEPTH TO WATER(First Encountered) 41 5 ft(16-Oct-02)
<br /> REVIEWED BY A Friel,RG 6452 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
<br /> fn O H VLU z
<br /> ~
<br /> CL O Z a w a �' U 0.O LITHOLOGIC DESCRIPTION WELL DIAGRAM
<br /> W O a.
<br /> N CJ C
<br /> ASPHALT 04
<br /> SW Gravelly SAND(SW),pale brown(10YR 613),dry, 15
<br /> 60%rine to coarse sand 40%fine ravel
<br /> Clayey SILT(ML),very dark gray(10YR 311),moist,
<br /> 15%clay,80%silt,5%fine sand,low to medium plasticity
<br /> @ 3 5'-SILT(ML) pale brown(10YR 613),dry to
<br /> moist,5%clay,90%silt,5%fine sand, no plasticity
<br /> 5
<br /> 0 B-4-6
<br /> ML @ 7'-Clayey SILT(ML),yellowish brown(10YR 514),
<br /> moist 15%clay,80%silt,5%fine sand,low to medium
<br /> plasticity
<br /> D B-4-1 1 —10—
<br /> @
<br /> D@ 12 5'-Sandy SILT(ML),yellowish brown(10YR 135
<br /> 514 moist 5%cla 65%silt 30%fine sand no lastici
<br /> Silty SAND(SM),light olive brown(2 5Y 513),moist,
<br /> 15 30%silt 70%fine sand
<br /> 0 B-4-1 6 SM
<br /> 175
<br /> SAND(SP),light olive brown(2 5Y 513),moist,5%silt,
<br /> SP 95%fine sand 190
<br /> Sandy SILT(ML), light olive brown(2 5Y 513),moist,
<br /> 0 B-4-2 0 24 5%clay,65%silt,30%fine sand,no plasticity
<br /> @ 20 5'-Clayey SILT(ML),brown(10YR 413),moist, Portland Type
<br /> Q 15%clay,80%silt,5%fine sand,low to medium plasticity 1111
<br /> 0
<br /> Q
<br /> i
<br /> w 0 B-4-2 6 25
<br /> 0
<br /> @ 26'-Sandy SILT(ML), brown(10YR 413), moist,
<br /> R 5%clay,65%silt,30%fine sand,no plasticity
<br /> MIL
<br /> z
<br /> 0 B-4-3 1 30 @ 30'-Clayey SILT(ML) yellowish brown(10YR 514),
<br /> moist, 15%clay,80%silt 5%fine sand,low plasticity
<br /> 0
<br /> a
<br /> @ 33'-Clayey Sandy SILT(ML),yellowish brown
<br /> g (10YR 514),moist, 15%clay,65%silt,20%fine sand,low
<br /> 35 plasticity
<br /> Continued Next Page PAGE I of 2
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