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-2
<br /> JOB/SITE 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 25'ft above ms)
<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) 16 3 ft(04-Sep-03)
<br /> REVIEWED BY J Neely,RG 6927 DEPTH TO WATER(Static) NA 1
<br /> REMARKS
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<br /> z Q w O LITHOLOGIC DESCRIPTION Z WELL DIAGRAM
<br /> FL mU ov � C9 Uw
<br /> ASPHALT p 4
<br /> GM o "'Silty Sand Gravel GM),black(7 5YR 2 511),moist,
<br /> 5%day,20%silt,30%fine to coarse sand,45%tine 23
<br /> ravel
<br /> Silty SAND ISM),black(7 5YR 2 5/1),moist,5%day,
<br /> 35%silt,60%fine sand
<br /> 20 B-2-5 5' S @ 5'-grayish brown(2 5Y 5/2),5%day,20%silt,75%
<br /> fine to medium sand
<br /> SM
<br /> 017 B-2-1 0 5' 10 @ 10'-very dark grayish brown(5Y 312), 15%silt,85%
<br /> fine to medium sand
<br /> Portland Type
<br /> 111 l
<br /> 145
<br /> 15 SW Sand(SW) ,black(5Y 511),moist,5%silt,95%fine to
<br /> 283 B-2-1 5 5' coarse sand 160
<br /> SiltySNO(SM),black(5Y 5/1),wet,25%silt,75%
<br /> fine to coarse sand
<br /> SM @ 17'-olive gray(5Y 412),40%silt,60%fine sand
<br /> 192
<br /> '- 20 ML Clayey Silty SAND(ML),olive gray(5Y 512),moist, 202
<br /> 138 B-2-2 0 5' 15/o clay,35/o silt,50/o fine to medium sand,with dark
<br /> SP reenish ra 5BG 4/1 staining 215
<br /> a SAND(SP),dark gray(10YR 4/1),moist,5%silt,95%
<br /> medium to coarse sand
<br /> ML Clayey SILT(ML),yellowish brown(10YR 514),moist,
<br /> a 20%clay,70%silt, 10%fine sand,medium plasticity,with
<br /> 69 B-2-2 4 5' dark yellowish brown 10YR 4/6 mottling 246
<br /> 25 SAND(SP),dark gray (7 5YR 412),wet,5%silt,95% 250
<br /> Boom of
<br /> medium to coarse sand Boring @ 25 ft
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