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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 MW-8 <br /> �JOB/SITE NAME Shell branded Service Station DRILLING STARTED 16-Aug-02 <br /> LOCATION 6131 Pacific Avenue,Stockton, CA DRILLING COMPLETED 16-Au -02 <br /> PROJECT NUMBER 0854 WELL DEVELOPMENT DATE(Y)ELD) 21-Aug-02(16 gallons) <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 12 59 ft above msi ^ <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 12 40 ft above msl <br /> BORING DIAMETER B. SCREENED INTERVAL 25 to 45 fbg <br /> LOGGED BY G Mamrnini DEPTH TO WATER(First Encountered) _ 35 0 ft(16-Aug-02) .z <br /> REVIEWED BY J Neely, RG 6927 DEPTH TO WATER(Static) 35 5 it(03-Sep-02) 1 <br /> REMARKS <br /> Cb <br /> Op EL n ¢o LITHOLOGIC DESCRIPTION z WELL DIAGRAM <br /> a <br /> ASPHALT "--05 <br /> Clavey SILT.(ML),very dark gray(10YR 311) moist, <br /> 20%clay,75%sift,5%fine sand,medium plasticity <br /> 00 MW-8- 5 @5'-brown(10YR 413),15%clay,80%silt,5%fine sand, <br /> 55, low plasticity <br /> 00 MW-8- 10 Portland Type <br /> 105, ML I/ll <br /> 00 MW-8- 15- <br /> 155, <br /> 5155' <br /> 00 MW-8- 20 @20'-Sandy SILT,(ML),5%clay,70%silt 25%fine <br /> 20 5' sand,no plasticity <br /> 230 Bentonite Seal <br /> Monterey <br /> 0 0 MW-8- 25 SM Silty SAND, (SM),dark yellowish brown(10YR 316), Sand#2112 <br /> 25 5' moist,5%clay,30%silt,65%fine sand <br /> 280 <br /> 00 MW-8- 30 ML Clayey Stl_T,(ML),olive brown(2 5Y 414),moist,15% <br /> 305, clay,80%silt,5%fine sand low plasticity <br /> a <br /> .330 <br /> 0 0 0 MW-8- 35— Silly SAND (SM),olive brown(2 5Y 414),wet,5%clay, 2'-dram. <br /> 20*Slotted <br /> D 35 5' 35%silt,60%fine sand Schedule 40 <br /> SM PVC <br /> a <br /> 'a <br /> 0o MW-B- 40 <br /> S 405' 420 <br /> rc _ <br /> a - - <br /> ~ <br /> 00 MW-8- ML <br /> a SIL , (ML),olive brown(2 5Y 414),wet,5%clay, 450 ► <br /> 44 5' 45--175%srlt 20/°fine sand,no last�ci Bottom of <br /> o Boring 0 45 ft <br /> a <br /> J <br /> J <br /> yltl <br /> } <br /> RAGE 7 OF r <br />