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Cambria EnvirA...ntal Technology, Inc. BORING 1 WELL LOG <br /> 5900 Hollis Street, Suite A <br /> 1 Emeryville, CA 94608 <br /> Telephone: 510-420-0700 <br /> Fax: 510-420-9170 <br /> CLIENT NAME Shell Oil Products US BORINGrWELL NAME MW-10 <br /> JOBISITE 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-Se08(16.5 gal) <br /> DRILLER Gregg Drilling ^_ GROUND SURFACE ELEVATION 17.68 It above msl <br /> DRILLING METHOD Hollow-stem auger TOP OF CASING ELEVATION 17.30 It above msl <br /> BORING DIAMETER 8" SCREENED INTERVALS 7 to 17 fbg_ <br /> LOGGED BY C.Rodriguez DEPTH TO WATER(First Encountered) 9.00 fbg <br /> REVIEWED BY M.Murphy DEPTH TO WATER(Static) 6.2 fbg(09-Sep-08) _ 1 <br /> REMARKS <br /> CL Luz <br /> 0 m 4 vi Q LITWOLOGlC DESCRIPTION z= WELL DIAGRAM <br /> a U < <br /> Oa.a <br /> ASPHALT 0,5 <br /> SI LT with Sand(ML);dark gray ishbrown(2,5Y 412); <br /> dry;30%clay,45%silt, 15%fine to coarse sand, 10%fine <br /> gravel;medium plasticity. Portland Type vu <br /> c� <br /> w @ 3'-SILT(ML);yellowish brown(10YR 514);dry;20% <br /> d clay,80%silt;low to medium plasticity. <br /> Benionrts Seal <br /> 'a <br /> 5 ML <br /> z <br /> = Monterey Sand <br /> rq - #2112 <br /> 0 <br /> O <br /> a <br /> z <br /> Z <br /> 0 <br /> O <br /> 5) <br /> 9.0 <br /> Sand with Silt ISP-SM) brown(10YR 413);wet; 10% 9.5 <br /> W 1,2 Mw-10-9.5' silt 90%'fine sand. <br /> 10 Sandy SILT(ML):brown(10YR 413);moist; 10%clay, <br /> 0 90%silt;low plasticity. <br /> z <br /> w <br /> or <br /> 2"Alem.,0 020" <br /> Slotted Schedule 40 <br /> v PVC <br /> w <br /> Z <br /> @ 135-wet. <br /> ML <br /> � 0.9 Mw-113-14.5' 15 <br /> I— <br /> N <br /> Iv <br /> } <br /> U <br /> sn <br /> @ 18.5'-SILT with Sand(ML);dark yellowish brown 19.0 <br /> 10YR 414 wet 75%silt 25%fine sand; low plasticity. 19,5 <br /> ry 0,2 MW-10•19.5 20 Silty Sand(SM);dark yellowish brown(10YR 414);wet; 20,0 <br /> 15%silt 85%fine to coarse sand. <br /> a ML SILT with Sand(ML);dark yellowish brown(10YR 414); B@o20n�f Boring <br /> moist 90%silt 10%fine sand;low Iastici . 20 <br /> � J <br /> o <br /> a_ <br /> C7 <br /> O <br /> J <br /> J <br /> 5wJ <br /> } <br /> PAGE 1 Or 1 <br />