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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-1
<br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 04-Sep-03_
<br /> LOCATION 1160 West Yosemite Avenue Manteca CA DRILLING COMPLETED 04-Sen-03
<br /> PROJECT NUMBER 1660 WELL DIEVELOPMENT DATE(YIELD_) NA
<br /> DRILLER GreggDrilling GROUND SURFACE ELEVATION 30'ft above msl
<br /> DRILLING METHOD Hydraulic Dush TOP OF CASING ELEVATION_Not Surveyed
<br /> BORING DIAMETER 1 314" SCREENED INTERVAL NA
<br /> LOGGED BY Anne Wettstone DEPTH TO WATER(First Encountered) 20_3 ft(04Sep-03)
<br /> REVIEWED BY J Neely. RG 6927 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
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<br /> a j Q) a w w a.0 LITHOLOGIC DESCRIPTION Z WELL DIAGRAM
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<br /> 5M ASPHALT �04
<br /> Silty Sandy Gravel(GM),black(7 5YR 2 511),moist, 10
<br /> 5%clay,20%silt,30%fine to coarse sand 45%fine 14
<br /> ° ravel
<br /> SPHALT
<br /> GM Silty Sandy Gravel(GM),black(7 5YR 2 511),moist,
<br /> ° 20%silt,30%fine to medium sand,50%fine to coarse
<br /> 00 B-1-5 5' 5 gravel 54
<br /> Silty SAND(SM),grayish brown(2 5Y 512),moist,5%
<br /> clay,20%sill,75%fine sand
<br /> SM
<br /> 4$ B-1-1 0 5' 10
<br /> 11'-very dark grayish brawn 10YR 312 110
<br /> Sand SW ,grayish brown(10YR 512),moist,5%silt,
<br /> SW 95%fine to coarse sand
<br /> 130
<br /> SILT(ML l ,light olive brown(2 5Y 513) moist,5%clay,
<br /> ML 95%silt,no plasticity,with dark greenish gray(5GY 411) 145
<br /> mottling
<br /> 48 B-1-1 5 5' 15 SW @ 14'-Clavev SILT IML),gray(2 5Y 511),moist,35% 15 7 Portland Type
<br /> cla 60%silt 5%fine sand high plasticityIlll
<br /> SM Sand(SW] ,grayish brown(10YR 512),moist,5%silt,
<br /> 95%fine to coarse sand 173
<br /> Silty SAND(SM),grayish brown(10YR 512),moist, 177
<br /> SM 25%silt 75%fine to medium sand 187
<br /> SILT(ML) ,greenish gray (10Y 511),moist,10%clay,
<br /> ML 90%silt no plasticity200
<br /> 10 B-1-2 0 5' 20 SM Silty SAND ISM),greenish gray (10Y 511),moist,25% 208
<br /> tll 75%fine sand
<br /> Clayey SILT(ML),yellowish brown(514) moist,30%
<br /> SP cla 65%silt 5%fine sand 1, h IasUG 225
<br /> Silty SAND ISM),greenish gray (10Y 511),wet,40%
<br /> 5M tlt 60%fne sand 238
<br /> SAND ISP),greenish gray (10Y 5/1) wet,5%silt,
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<br /> 00 B-1-2 4 5' 95%fine sand
<br /> W 25 Silty SAND(SM),brown(10YR 513) wet, 10%clay,
<br /> 0 0%silt fi0%fine sand
<br /> 0 5P SAND(SP),brown(10YR 513), moist,5%silt,95%
<br /> fine sand
<br /> @ 27-wet
<br /> z 285
<br /> Silty SAND(SM) light olive brown(2 5Y 5/3),moist,
<br /> 00 8-1-2 9 5' SM 10%clay,40%silt,50%fine sand
<br /> LU 30 30 0
<br /> r Bottom of
<br /> Boring @ 30 ft
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