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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 BORING/WELL NAME MW-19-120'
<br /> JOB/SITE NAME Former Texaco Station/Unded Gas Station DRILLING STARTED 20-Aug-02
<br /> LOCATION 440 W Charter Way,Stockton DRILLING COMPLETED _ 21-Aua-02
<br /> PROJECT NUMBER 1399 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Boart Lon ear GROUND SURFACE ELEVATION 10 17 it above msl
<br /> DRILLING METHOD Rolosonlc Vibration TOP OF CASING ELEVATION 9 88 ft above msl
<br /> BORING DIAMETER 8" SCREENED INTERVAL 110 to 120 fb0 _
<br /> LOGGED BY A Cool DEPTH TO WATER(First Encountered) 28 0 ft(20-Aug-02) Q
<br /> REVIEWED BY J Neely, RG 6927 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
<br /> z s yr z v
<br /> p m 0 � X w uj ¢O LITHOLOGIC DESCRIPTION z WELL DIAGRAM
<br /> CL U < ul 0 f
<br /> A
<br /> shalt
<br /> SPeSILT with Gravel and Cobbles,(ML),brown---/-03
<br /> (10YR 413),moist,5%clay,70%silt,15%tine sand, 10%
<br /> coarse gravel and cobbles with ceramics and glass(fill
<br /> material),no plasticity
<br /> 00 5 ML
<br /> Gravelly SILT with Cobbles (ML),5%clay,65%silt,
<br /> 17 10 10%fine sand,20%coarse gravel and cobbles 100
<br /> SM Silty SAND,(SM),brown(10YR 413),moist,15%silt,
<br /> 85%medium sand 115
<br /> SAZ,(ML),brown(1 OYR 5/3),moist,10%clay,850/6
<br /> silt,5%fine sand,low plasticity
<br /> 00 15
<br /> @ 15'-Claygv SIL, , (ML),dark grayish brown(10YR
<br /> 4/2), 15%clay,80%silt,5%fine sand with metal and
<br /> railroad spike,low to medium plasticity
<br /> OD 20
<br /> 0 20'-SILT.(ML),brown(10YR 413),10%clay,859'°
<br /> silt,5%fine sand,low plasticity
<br /> @ 23'-Clavev SILT,(ML),dark yellowish brown(10YR
<br /> 4/4)and dark grayish brown(2 5Y 412), 15%clay,80%
<br /> 00 25 silt,5%fine sand,low to medium plasticity
<br /> 4
<br /> 28'-greenish gray(5GY 511),moist to wet
<br /> 35 30 ML 030'-Sandy SILT,(ML),brown(10YR 4/3),wet, 10%
<br /> clay,45%silt,25%fine to medium sand,20%coarse
<br /> gravel with shells and ceramics,no plasticity
<br /> LL 0 32'-Claygy,SILT,(ML),dark greenish gray(5BG
<br /> tu
<br /> 4/1),moist,20%clay,70%silt, 10%fine sand,medium
<br /> plasticity
<br /> 42 4 35 @ 35'-dark greenish gray(5GY 411),wet
<br /> 4 8 40
<br /> 9
<br /> nary
<br /> O
<br /> JJJ
<br /> Uj 45—
<br /> yJ
<br /> Continued Next Page PAGE i of 3
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