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© Cambria Environmental Technology,Inc. BORING/WELL LOG <br /> 270 Perkinsns Street <br /> Sonoma,California 95476 <br /> Telephone: (707)935-4850 <br /> Fax: (707)935-6649 <br /> CLIENT NAME Shell Oil Products US BORINGIWELLNAME MW-7 <br /> JOBISITE NAME Shell-branded Service Station DRILLING STARTED 04-Ma105 <br /> LOCATION 2375 West Grant Line Road Tracy,California DRILLING COMPLETED 04-Mar-05 <br /> PROJECT NUMBER 1661 WELL DEVELOPMENT DATE(YIELD) NA <br /> DRILLER Greaa Drillina GROUND SURFACE ELEVATION 25.14 ft above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 24.62 it above mal <br /> BORING DIAMETER 8" SCREENED INTERVAL 5 to 20 fba <br /> LOGGED BY J.Gelbrandt DEPTH TO WATER(First Encountered) 10.D R(04-Mar-0S) 5Z <br /> REVIEWED BY J.Neely,PG 6927 DEPTH TO WATER(Static) _ 10.9 it(04-Mar-05) .t <br /> REMARKS In the vacant field west of the Shell-branded service station along the 1-205 onram . <br /> w r$' <br /> n a w-2 tri O SOIL DESCRIPTION 2 ti- WELL DIAGRAM <br /> a mV N zi <br /> 0 ()w <br /> D <br /> SIL_ T(MLl;dark brown(10YR 3!3);moist 350%clay, 41 <br /> 55%silt 10%fine to coarse sand. <br /> Plant roots present. Portland Type <br /> NI <br /> Bentonite Seal <br /> @ 4.0'-35%clay,40%silt,10°%fine to coarse sand,15% Monte <br /> 5 fine gravel. Monterey <br /> Sand rey <br /> ML @ 4.6'-35%clay,55%sill,10%fine to coarse sand. <br /> 0.0 MW-7- @ 5.0'-very dark grayish brown(10YR 312);40%clay, <br /> 5.0' 55%silt,5%fine sand. <br /> Plant roots present <br /> 10 @ 10.0'-dark yellowish brown(10YR 4/4);wet;3D°/6 day, � <br /> 0.0 MW-7- 60%silt 10%fine to medium sand. 11.3 <br /> Silty SAND fSMI;yellowish brown(10YR 514);wet <br /> 10.0' SM '' 20%clay,25%sift,650A fine sand. 2"-diem., <br /> 13.3 0.020"Slotted <br /> Schedule 40 <br /> PVC <br /> 15 SILT with Sand fML);yellowish brown(10YR 5/4);wet; <br /> 0.0 MW-7- 20°/6 clay,55%slit 250/6 fine to medium sand. <br /> 15.0' ML <br /> 0.0 MW-7- 20 20.0'-15%da 60%silt 25%one sand. 20A Bottom of <br /> c 20.0' <br /> � Boring @ 20 it <br /> 5 <br /> LL <br /> O <br /> 6 <br /> Cpl <br /> C0_ <br /> Y <br /> (`7 <br /> U <br /> K <br /> ER <br /> 1 <br /> pUQ <br /> F <br /> G <br /> 6 <br /> tl <br /> O <br /> PAGE 1 OF If <br />