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Cambria Environmental Technology, Inc BORING/WELL LOG
<br /> 270 Perkins Street
<br /> Sonoma, California 95476
<br /> Telephone (707) 935-4650
<br /> Fax (707) 935-6649
<br /> CLIENT NAME Shell Qtl Products US BORINGIWELL NAME B-4
<br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 04-Sep-03
<br /> LOCATION 1160 West Yosemite Avenue,Manteca,CA_ DRILLING COMPLETED 04-Sep-03
<br /> PROJECT NUMBER 1660 WELL DEVELOPMENT DATE(YIELD) NA
<br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 30'ft above msl
<br /> DRILLING METHOD Hydraulic push TOP OF CASING ELEVATION Not Surveyed
<br /> BORING DIAMETER 1314" SCREENED INTERVAL NA
<br /> LOGGED BY Anne Wettstone DEPTH TO WATER(First Encountered)_ 26 5 ft(04-Sep-03)
<br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
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<br /> 9z a uj W EL O LITHOLOGIC DESCRIPTION Fr WELL DIAGRAM
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<br /> ASPHALT 04
<br /> GM Silty Sandy GRAVEL(GM),black(7 5YR 2 511),moist, 14
<br /> 5%clay,20%silt,30%fine to coarse sand,45%fine
<br /> ravel
<br /> Silty SAND(SM), black(7 5YR 2 511),moist,5%day,
<br /> 35%silt,60%fine sand
<br /> 00 B-4-5 5' S SM @ 5'-brown(7 5YR 414)
<br /> 10 103
<br /> 00 B-4-1 0 5 SAND(SP),strong brown(7 5YR 516),moist, 5%silt,
<br /> SP 95%fine to medium sand
<br /> 120
<br /> Sand(SW] , strong brown(7 5YR 516),moist,5%silt,
<br /> SW 95%fine to coarse sand
<br /> 140
<br /> SM Gravelly Silty SAND(SM)dark brown(10YR 313),
<br /> 0 0 B 4-1 5 5' 15 moist,25%silt,60%fine to coarse sand, 15%fine to 15 0 Portland Type
<br /> $yy coarse ravel IM
<br /> Sand(SW] , olive yellow(2 5Y 616),moist,5%silt, 164
<br /> 95%fine to coarse sand
<br /> Sandy Clayey SILT(ML),olive yellow(2 5Y 6/6),
<br /> ML moist,20%clay,50%silt,30%fine sand,medium
<br /> plasticity
<br /> @ 17'-Clayey SILT(ML),yellowish brown(10YR 198
<br /> —20-
<br /> 00 B-4-2 0 5' SAND{SP1,olive yellow(2 5Y 6/6),moist,5%silt,
<br /> 95%fine to medium sand
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<br /> [7
<br /> 00 B-4-2 4 5' SP
<br /> < 25 @ 25'-yellowish brown(10YR 5/6)
<br /> 0
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<br /> 285
<br /> z Silty SAND(SM),yellowish brown(10YR 5/6),wet,
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<br /> 00 B-4-2 9 5' 30 SM 30%silt,70%fine sand 300
<br /> Bottom of
<br /> Boring @ 30 ft
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