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Cambria Environmental Technology, Inc
<br /> BORING/WELL270 Perkins Street LOG
<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-19-81
<br /> JOB/SITE NAME Former Texaco Station/United Gas Station DRILLING STARTED 26-Au -02
<br /> LOCATION 440 W_Charter Way,Stockton DRILLING COMPLETED 27-Aug-02
<br /> PROJECT NUMBER 1399 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Boart Lon ear Co GROUND SURFACE ELEVATION 10 09 tt above msl
<br /> DRILLING METHOD Roto-sonic vibration TOP OF CASING ELEVATION 9 50 ft above msl
<br /> BORING DIAMETER 8" SCREENED INTERVAL 71 to 81 Ib
<br /> LOGGED BY A Cool DEPTH TO WATER(First Encountered) 28 0 ft(26-Aug-02)
<br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) _NA 1
<br /> REMARKS
<br /> g
<br /> 2 fA U t-.of
<br /> Q Q X Luu a co Q O LITHOLOGIC DESCRIPTION z? WELL DIAGRAM
<br /> 0- m 0 ¢ to C7 O UJI
<br /> —\Asphatt 03
<br /> $andv�ILT with Gravel and Cptables_(ML),brown
<br /> (10YR 413),moist,5%clay,70%silt,15%fine sand,10%
<br /> coarse gravel and cobbles with ceramics and glass(fill
<br /> material),no plasticity
<br /> 00 5 ML
<br /> Gravelly with Cobbles,(ML),5%clay,65%silt,
<br /> 10%fine sand,20%coarse gravel and cobbles 100
<br /> 1 7 iQ SM SIH(SM),brown(10YR 4/3),moist, 15%silt,
<br /> 85%medium sand 115
<br /> SILT,(ML),brown(10YR 5/3),moist, 10%clay,85%
<br /> silt,5%fine sand,low plasticdy
<br /> ,
<br /> 00 15 0 15'-Claygy HILT.(ML),dark grayish brown(10YR
<br /> 4/2), 15%clay,80%silt,5%fine sand with metal and
<br /> railroad spike,low to medium plasticity
<br /> 00 20 @ 20'-$ILT,(ML),brown(1OYR 4/3), 10%clay,85%
<br /> silt,5%fine sand,low plasticity
<br /> 23'-Claygy SILT,(ML),dark yellowish brown(10YR
<br /> 4/4)and dark grayish brown(2 5Y 4/2), 15%clay,80%
<br /> 00 25 silt,5%fine sand,low to medium plasticity
<br /> 0 28'-greenish gray(5GY 5/1),moist to wet
<br /> 35 30 ML 0 30'-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 Portland Type
<br /> a 0 32'-Claygy SILT.(ML),dark greenish gray(56G IIII Cement
<br /> Uj 0 4/1),moist,20%clay,70%silt, 10%One sand,medium
<br /> 35— plasticity
<br /> 0 42 4 ® 35'-dark greenish gray(5GY 4/1),wet
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<br /> CLCL
<br /> 248 40
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<br /> tua
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