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Cambria Environmental Technology, Ina BORING / WELL LOG <br /> 5900 Hollis Street, Suite A <br /> • Emeryville,CA 94608 <br /> Telephone: 510-420-0700 - <br /> Fax: 510-420-9170 <br /> CLIENT NAME Shell Oil Products US BORINGIWELL NAME MW-10 <br /> JOB/SITE NAME Shell-branded Service Station DRILLING STARTED 24-Jun-08 <br /> LOCATION _2375 West Grant Line Road Tracy,California DRILLING COMPLETED 24-Jun-08 <br /> PROJECT NUMBER 241661 WELL DEVELOPMENT DATE(YIELD) 09-Seo-08.(16.5 pal <br /> DRILLER Gregg Drilling GROUND SURFACE ELEVATION 17.68 ft above msl <br /> DRILLING METHOD - Hollow-stem auger TOP OF CASING ELEVATION 17.30 it above mat . <br /> BORING DIAMETER 8" SCREENED INTERVALS 7 to 17 fbg <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 9.00 fbv Q. <br /> REVIEWED BY M.Murphy DEPTH TO WATER(Static) 6.2 fbg(09-Sep-08) 1 <br /> REMARKS <br /> V f U F <br /> 3 <br /> a m o O LITHOLOGIC DESCRIPTION <br /> WELL DIAGRAMQ. O F< X <br /> 0 w <br /> 0 <br /> ASPHALT 0.5 <br /> SILT with Sand(ML);dark grayish brown(2.5Y 4/2); <br /> C dry;30%clay,45%silt, 15%fine to coarse sand, 10%fine <br /> o gravel;medium plasticity. Pwuana type uu <br /> u <br /> LL @ 3'-SILT(ML);yellowish brown(10YR 5/4);dry;20% <br /> o clay,801/6 silt;low to medium plasticity. <br /> y <br /> 8W.4.seal <br /> 5 ML ft <br /> Ma tem Send <br /> - #2112 <br /> 0 <br /> z <br /> 0 <br /> 0 <br /> 9.0 <br /> rc111.1 Sand wlth 81K 15PSMt;brown(10YR 4/3);wet;10% 9.5 <br /> u, 1.2 Mw-oras silt 90, fine sand. <br /> w 10 Sandv SILT(ML):brown(10YR 4/3);moist;10%Gay, <br /> 0 90%silt;low,plasticity. <br /> z <br /> u+ <br /> e <br /> a <br /> slotted <br /> 0 <br /> Slotted Sdreddule 40 <br /> ry PVC <br /> z <br /> @ 13.5'-wet. <br /> 0.0 ~0-14.21 ML <br /> N <br /> N <br /> T <br /> F <br /> ry @ 18.5'-SILT with Sand(ML);dark yellowish brown 19.0 <br /> m 10YR 4/4):mt:75%silt 25%fine sand'low p lasticit . 19,5 <br /> 0.2 rnw-+o-is.eSilly Sand ISM)�dark yellowish brown(10YR 4/4);wet; 20.0 <br /> y 20 15%silt 85%fine to coarse sand. <br /> g ML SILT with Sand(ML);dark yellowish brown(10YR 4/4);. Bottom of Boring <br /> v moist 90%silt, 10%fine sand low lasticit . @ 20 fbg <br /> i <br /> a <br /> 0 <br /> PAGE I OF 1 <br />